diff --git a/client/amnezia_application.cpp b/client/amnezia_application.cpp
index 588854d3..891c305a 100644
--- a/client/amnezia_application.cpp
+++ b/client/amnezia_application.cpp
@@ -68,8 +68,7 @@
 #endif
 
     m_settings = std::shared_ptr<Settings>(new Settings);
-    m_serverController = std::shared_ptr<ServerController>(new ServerController(m_settings, this));
-    m_configurator = std::shared_ptr<VpnConfigurator>(new VpnConfigurator(m_settings, m_serverController, this));
+    m_configurator = std::shared_ptr<VpnConfigurator>(new VpnConfigurator(m_settings, this));
 }
 
 AmneziaApplication::~AmneziaApplication()
@@ -90,7 +89,7 @@ AmneziaApplication::~AmneziaApplication()
 void AmneziaApplication::init()
 {
     m_engine = new QQmlApplicationEngine;
-    m_uiLogic = new UiLogic(m_settings, m_configurator, m_serverController);
+    m_uiLogic = new UiLogic(m_settings, m_configurator);
 
     const QUrl url(QStringLiteral("qrc:/ui/qml/main.qml"));
     QObject::connect(m_engine, &QQmlApplicationEngine::objectCreated,
diff --git a/client/amnezia_application.h b/client/amnezia_application.h
index f0f8f529..1ac6e772 100644
--- a/client/amnezia_application.h
+++ b/client/amnezia_application.h
@@ -49,7 +49,6 @@ private:
     UiLogic *m_uiLogic {};
     std::shared_ptr<Settings> m_settings;
     std::shared_ptr<VpnConfigurator> m_configurator;
-    std::shared_ptr<ServerController> m_serverController;
 
     ContainerProps* m_containerProps {};
     ProtocolProps* m_protocolProps {};
diff --git a/client/configurators/cloak_configurator.cpp b/client/configurators/cloak_configurator.cpp
index 0cfd74fc..6206d141 100644
--- a/client/configurators/cloak_configurator.cpp
+++ b/client/configurators/cloak_configurator.cpp
@@ -7,8 +7,8 @@
 #include "core/servercontroller.h"
 #include "containers/containers_defs.h"
 
-CloakConfigurator::CloakConfigurator(std::shared_ptr<Settings> settings, std::shared_ptr<ServerController> serverController, QObject *parent):
-    ConfiguratorBase(settings, serverController, parent)
+CloakConfigurator::CloakConfigurator(std::shared_ptr<Settings> settings, QObject *parent):
+    ConfiguratorBase(settings, parent)
 {
 
 }
@@ -17,12 +17,13 @@ QString CloakConfigurator::genCloakConfig(const ServerCredentials &credentials,
     DockerContainer container, const QJsonObject &containerConfig, ErrorCode *errorCode)
 {
     ErrorCode e = ErrorCode::NoError;
+    ServerController serverController(m_settings);
 
-    QString cloakPublicKey = m_serverController->getTextFileFromContainer(container, credentials,
+    QString cloakPublicKey = serverController.getTextFileFromContainer(container, credentials,
         amnezia::protocols::cloak::ckPublicKeyPath, &e);
     cloakPublicKey.replace("\n", "");
 
-    QString cloakBypassUid = m_serverController->getTextFileFromContainer(container, credentials,
+    QString cloakBypassUid = serverController.getTextFileFromContainer(container, credentials,
         amnezia::protocols::cloak::ckBypassUidKeyPath, &e);
     cloakBypassUid.replace("\n", "");
 
@@ -47,8 +48,8 @@ QString CloakConfigurator::genCloakConfig(const ServerCredentials &credentials,
     config.insert(config_key::remote, credentials.hostName);
     config.insert(config_key::port, "$CLOAK_SERVER_PORT");
 
-    QString textCfg = m_serverController->replaceVars(QJsonDocument(config).toJson(),
-        m_serverController->genVarsForScript(credentials, container, containerConfig));
+    QString textCfg = serverController.replaceVars(QJsonDocument(config).toJson(),
+                                                   serverController.genVarsForScript(credentials, container, containerConfig));
 
     // qDebug().noquote() << textCfg;
     return textCfg;
diff --git a/client/configurators/cloak_configurator.h b/client/configurators/cloak_configurator.h
index c6184805..cf6cd002 100644
--- a/client/configurators/cloak_configurator.h
+++ b/client/configurators/cloak_configurator.h
@@ -11,8 +11,7 @@ class CloakConfigurator : ConfiguratorBase
 {
     Q_OBJECT
 public:
-    CloakConfigurator(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    CloakConfigurator(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
     QString genCloakConfig(const ServerCredentials &credentials, DockerContainer container,
         const QJsonObject &containerConfig, ErrorCode *errorCode = nullptr);
diff --git a/client/configurators/configurator_base.cpp b/client/configurators/configurator_base.cpp
index 44377401..c24d7e1f 100644
--- a/client/configurators/configurator_base.cpp
+++ b/client/configurators/configurator_base.cpp
@@ -1,10 +1,8 @@
 #include "configurator_base.h"
 
-ConfiguratorBase::ConfiguratorBase(std::shared_ptr<Settings> settings,
-    std::shared_ptr<ServerController> serverController, QObject *parent)
+ConfiguratorBase::ConfiguratorBase(std::shared_ptr<Settings> settings, QObject *parent)
     : QObject{parent},
-      m_settings(settings),
-      m_serverController(serverController)
+      m_settings(settings)
 {
 
 }
diff --git a/client/configurators/configurator_base.h b/client/configurators/configurator_base.h
index 8c0614d9..da43a2bc 100644
--- a/client/configurators/configurator_base.h
+++ b/client/configurators/configurator_base.h
@@ -4,7 +4,6 @@
 #include <QObject>
 
 class Settings;
-class ServerController;
 
 #include "containers/containers_defs.h"
 #include "core/defs.h"
@@ -13,13 +12,10 @@ class ConfiguratorBase : public QObject
 {
     Q_OBJECT
 public:
-    explicit ConfiguratorBase(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    explicit ConfiguratorBase(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
 protected:
     std::shared_ptr<Settings> m_settings;
-    std::shared_ptr<ServerController> m_serverController;
-
 };
 
 #endif // CONFIGURATORBASE_H
diff --git a/client/configurators/ikev2_configurator.cpp b/client/configurators/ikev2_configurator.cpp
index 9b702824..7ed83da1 100644
--- a/client/configurators/ikev2_configurator.cpp
+++ b/client/configurators/ikev2_configurator.cpp
@@ -15,8 +15,8 @@
 #include "core/servercontroller.h"
 
 
-Ikev2Configurator::Ikev2Configurator(std::shared_ptr<Settings> settings, std::shared_ptr<ServerController> serverController, QObject *parent):
-    ConfiguratorBase(settings, serverController, parent)
+Ikev2Configurator::Ikev2Configurator(std::shared_ptr<Settings> settings, QObject *parent):
+    ConfiguratorBase(settings, parent)
 {
 
 }
@@ -41,16 +41,17 @@ Ikev2Configurator::ConnectionData Ikev2Configurator::prepareIkev2Config(const Se
                              "--extKeyUsage serverAuth,clientAuth -8 \"%1\"")
             .arg(connData.clientId);
 
-    ErrorCode e = m_serverController->runContainerScript(credentials, container, scriptCreateCert);
+    ServerController serverController(m_settings);
+    ErrorCode e = serverController.runContainerScript(credentials, container, scriptCreateCert);
 
     QString scriptExportCert = QString("pk12util -W \"%1\" -d sql:/etc/ipsec.d -n \"%2\" -o \"%3\"")
             .arg(connData.password)
             .arg(connData.clientId)
             .arg(certFileName);
-    e = m_serverController->runContainerScript(credentials, container, scriptExportCert);
+    e = serverController.runContainerScript(credentials, container, scriptExportCert);
 
-    connData.clientCert = m_serverController->getTextFileFromContainer(container, credentials, certFileName, &e);
-    connData.caCert = m_serverController->getTextFileFromContainer(container, credentials, "/etc/ipsec.d/ca_cert_base64.p12", &e);
+    connData.clientCert = serverController.getTextFileFromContainer(container, credentials, certFileName, &e);
+    connData.caCert = serverController.getTextFileFromContainer(container, credentials, "/etc/ipsec.d/ca_cert_base64.p12", &e);
 
     qDebug() << "Ikev2Configurator::ConnectionData client cert size:" << connData.clientCert.size();
     qDebug() << "Ikev2Configurator::ConnectionData ca cert size:" << connData.caCert.size();
diff --git a/client/configurators/ikev2_configurator.h b/client/configurators/ikev2_configurator.h
index 35c03b19..a7d379f2 100644
--- a/client/configurators/ikev2_configurator.h
+++ b/client/configurators/ikev2_configurator.h
@@ -11,8 +11,7 @@ class Ikev2Configurator : ConfiguratorBase
 {
     Q_OBJECT
 public:
-    Ikev2Configurator(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    Ikev2Configurator(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
     struct ConnectionData {
         QByteArray clientCert; // p12 client cert
diff --git a/client/configurators/openvpn_configurator.cpp b/client/configurators/openvpn_configurator.cpp
index 0ef6da0a..456aeb4d 100644
--- a/client/configurators/openvpn_configurator.cpp
+++ b/client/configurators/openvpn_configurator.cpp
@@ -19,8 +19,8 @@
 #include <openssl/x509.h>
 #include <openssl/pem.h>
 
-OpenVpnConfigurator::OpenVpnConfigurator(std::shared_ptr<Settings> settings, std::shared_ptr<ServerController> serverController, QObject *parent):
-    ConfiguratorBase(settings, serverController, parent)
+OpenVpnConfigurator::OpenVpnConfigurator(std::shared_ptr<Settings> settings, QObject *parent):
+    ConfiguratorBase(settings, parent)
 {
 
 }
@@ -40,7 +40,8 @@ OpenVpnConfigurator::ConnectionData OpenVpnConfigurator::prepareOpenVpnConfig(co
             arg(amnezia::protocols::openvpn::clientsDirPath).
             arg(connData.clientId);
 
-    ErrorCode e = m_serverController->uploadTextFileToContainer(container, credentials, connData.request, reqFileName);
+    ServerController serverController(m_settings);
+    ErrorCode e = serverController.uploadTextFileToContainer(container, credentials, connData.request, reqFileName);
     if (e) {
         if (errorCode) *errorCode = e;
         return connData;
@@ -52,8 +53,8 @@ OpenVpnConfigurator::ConnectionData OpenVpnConfigurator::prepareOpenVpnConfig(co
         return connData;
     }
 
-    connData.caCert = m_serverController->getTextFileFromContainer(container, credentials, amnezia::protocols::openvpn::caCertPath, &e);
-    connData.clientCert = m_serverController->getTextFileFromContainer(container, credentials,
+    connData.caCert = serverController.getTextFileFromContainer(container, credentials, amnezia::protocols::openvpn::caCertPath, &e);
+    connData.clientCert = serverController.getTextFileFromContainer(container, credentials,
         QString("%1/%2.crt").arg(amnezia::protocols::openvpn::clientCertPath).arg(connData.clientId), &e);
 
     if (e) {
@@ -61,7 +62,7 @@ OpenVpnConfigurator::ConnectionData OpenVpnConfigurator::prepareOpenVpnConfig(co
         return connData;
     }
 
-    connData.taKey = m_serverController->getTextFileFromContainer(container, credentials, amnezia::protocols::openvpn::taKeyPath, &e);
+    connData.taKey = serverController.getTextFileFromContainer(container, credentials, amnezia::protocols::openvpn::taKeyPath, &e);
 
     if (connData.caCert.isEmpty() || connData.clientCert.isEmpty() || connData.taKey.isEmpty()) {
         if (errorCode) *errorCode = ErrorCode::SshSftpFailureError;
@@ -73,8 +74,9 @@ OpenVpnConfigurator::ConnectionData OpenVpnConfigurator::prepareOpenVpnConfig(co
 QString OpenVpnConfigurator::genOpenVpnConfig(const ServerCredentials &credentials,
     DockerContainer container, const QJsonObject &containerConfig, ErrorCode *errorCode)
 {
-    QString config = m_serverController->replaceVars(amnezia::scriptData(ProtocolScriptType::openvpn_template, container),
-            m_serverController->genVarsForScript(credentials, container, containerConfig));
+    ServerController serverController(m_settings);
+    QString config = serverController.replaceVars(amnezia::scriptData(ProtocolScriptType::openvpn_template, container),
+            serverController.genVarsForScript(credentials, container, containerConfig));
 
     ConnectionData connData = prepareOpenVpnConfig(credentials, container, errorCode);
     if (errorCode && *errorCode) {
@@ -163,10 +165,11 @@ ErrorCode OpenVpnConfigurator::signCert(DockerContainer container,
             .arg(ContainerProps::containerToString(container))
             .arg(clientId);
 
+    ServerController serverController(m_settings);
     QStringList scriptList {script_import, script_sign};
-    QString script = m_serverController->replaceVars(scriptList.join("\n"), m_serverController->genVarsForScript(credentials, container));
+    QString script = serverController.replaceVars(scriptList.join("\n"), serverController.genVarsForScript(credentials, container));
 
-    return m_serverController->runScript(credentials, script);
+    return serverController.runScript(credentials, script);
 }
 
 OpenVpnConfigurator::ConnectionData OpenVpnConfigurator::createCertRequest()
diff --git a/client/configurators/openvpn_configurator.h b/client/configurators/openvpn_configurator.h
index 25230499..3b84e0a0 100644
--- a/client/configurators/openvpn_configurator.h
+++ b/client/configurators/openvpn_configurator.h
@@ -11,8 +11,7 @@ class OpenVpnConfigurator : ConfiguratorBase
 {
     Q_OBJECT
 public:
-    OpenVpnConfigurator(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    OpenVpnConfigurator(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
     struct ConnectionData {
         QString clientId;
diff --git a/client/configurators/shadowsocks_configurator.cpp b/client/configurators/shadowsocks_configurator.cpp
index 97503ac4..a71064c8 100644
--- a/client/configurators/shadowsocks_configurator.cpp
+++ b/client/configurators/shadowsocks_configurator.cpp
@@ -7,8 +7,8 @@
 #include "containers/containers_defs.h"
 #include "core/servercontroller.h"
 
-ShadowSocksConfigurator::ShadowSocksConfigurator(std::shared_ptr<Settings> settings, std::shared_ptr<ServerController> serverController, QObject *parent):
-    ConfiguratorBase(settings, serverController, parent)
+ShadowSocksConfigurator::ShadowSocksConfigurator(std::shared_ptr<Settings> settings, QObject *parent):
+    ConfiguratorBase(settings, parent)
 {
 
 }
@@ -17,9 +17,10 @@ QString ShadowSocksConfigurator::genShadowSocksConfig(const ServerCredentials &c
     DockerContainer container, const QJsonObject &containerConfig, ErrorCode *errorCode)
 {
     ErrorCode e = ErrorCode::NoError;
+    ServerController serverController(m_settings);
 
-    QString ssKey = m_serverController->getTextFileFromContainer(container, credentials,
-        amnezia::protocols::shadowsocks::ssKeyPath, &e);
+    QString ssKey = serverController.getTextFileFromContainer(container, credentials,
+                                                              amnezia::protocols::shadowsocks::ssKeyPath, &e);
     ssKey.replace("\n", "");
 
     if (e) {
@@ -36,8 +37,8 @@ QString ShadowSocksConfigurator::genShadowSocksConfig(const ServerCredentials &c
     config.insert("method", "$SHADOWSOCKS_CIPHER");
 
 
-    QString textCfg = m_serverController->replaceVars(QJsonDocument(config).toJson(),
-        m_serverController->genVarsForScript(credentials, container, containerConfig));
+    QString textCfg = serverController.replaceVars(QJsonDocument(config).toJson(),
+                                                   serverController.genVarsForScript(credentials, container, containerConfig));
 
     //qDebug().noquote() << textCfg;
     return textCfg;
diff --git a/client/configurators/shadowsocks_configurator.h b/client/configurators/shadowsocks_configurator.h
index be80f169..b03149eb 100644
--- a/client/configurators/shadowsocks_configurator.h
+++ b/client/configurators/shadowsocks_configurator.h
@@ -10,8 +10,7 @@ class ShadowSocksConfigurator : ConfiguratorBase
 {
     Q_OBJECT
 public:
-    ShadowSocksConfigurator(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    ShadowSocksConfigurator(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
     QString genShadowSocksConfig(const ServerCredentials &credentials, DockerContainer container,
         const QJsonObject &containerConfig, ErrorCode *errorCode = nullptr);
diff --git a/client/configurators/ssh_configurator.cpp b/client/configurators/ssh_configurator.cpp
index 725f6ead..e1435bc3 100644
--- a/client/configurators/ssh_configurator.cpp
+++ b/client/configurators/ssh_configurator.cpp
@@ -15,8 +15,8 @@
 #include "utilities.h"
 
 
-SshConfigurator::SshConfigurator(std::shared_ptr<Settings> settings, std::shared_ptr<ServerController> serverController, QObject *parent):
-    ConfiguratorBase(settings, serverController, parent)
+SshConfigurator::SshConfigurator(std::shared_ptr<Settings> settings, QObject *parent):
+    ConfiguratorBase(settings, parent)
 {
 
 }
diff --git a/client/configurators/ssh_configurator.h b/client/configurators/ssh_configurator.h
index d7a177c3..2f8cb550 100644
--- a/client/configurators/ssh_configurator.h
+++ b/client/configurators/ssh_configurator.h
@@ -11,8 +11,7 @@ class SshConfigurator : ConfiguratorBase
 {
     Q_OBJECT
 public:
-    SshConfigurator(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    SshConfigurator(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
     QProcessEnvironment prepareEnv();
     QString convertOpenSShKey(const QString &key);
diff --git a/client/configurators/vpn_configurator.cpp b/client/configurators/vpn_configurator.cpp
index 1433eeaa..ceb6a5a4 100644
--- a/client/configurators/vpn_configurator.cpp
+++ b/client/configurators/vpn_configurator.cpp
@@ -14,16 +14,15 @@
 #include "utilities.h"
 #include "settings.h"
 
-VpnConfigurator::VpnConfigurator(std::shared_ptr<Settings> settings,
-    std::shared_ptr<ServerController> serverController, QObject *parent):
-    ConfiguratorBase(settings, serverController, parent)
+VpnConfigurator::VpnConfigurator(std::shared_ptr<Settings> settings, QObject *parent):
+    ConfiguratorBase(settings, parent)
 {
-    openVpnConfigurator = std::shared_ptr<OpenVpnConfigurator>(new OpenVpnConfigurator(settings, serverController, this));
-    shadowSocksConfigurator = std::shared_ptr<ShadowSocksConfigurator>(new ShadowSocksConfigurator(settings, serverController, this));
-    cloakConfigurator = std::shared_ptr<CloakConfigurator>(new CloakConfigurator(settings, serverController, this));
-    wireguardConfigurator = std::shared_ptr<WireguardConfigurator>(new WireguardConfigurator(settings, serverController, this));
-    ikev2Configurator = std::shared_ptr<Ikev2Configurator>(new Ikev2Configurator(settings, serverController, this));
-    sshConfigurator = std::shared_ptr<SshConfigurator>(new SshConfigurator(settings, serverController, this));
+    openVpnConfigurator = std::shared_ptr<OpenVpnConfigurator>(new OpenVpnConfigurator(settings, this));
+    shadowSocksConfigurator = std::shared_ptr<ShadowSocksConfigurator>(new ShadowSocksConfigurator(settings, this));
+    cloakConfigurator = std::shared_ptr<CloakConfigurator>(new CloakConfigurator(settings, this));
+    wireguardConfigurator = std::shared_ptr<WireguardConfigurator>(new WireguardConfigurator(settings, this));
+    ikev2Configurator = std::shared_ptr<Ikev2Configurator>(new Ikev2Configurator(settings, this));
+    sshConfigurator = std::shared_ptr<SshConfigurator>(new SshConfigurator(settings, this));
 }
 
 QString VpnConfigurator::genVpnProtocolConfig(const ServerCredentials &credentials,
diff --git a/client/configurators/vpn_configurator.h b/client/configurators/vpn_configurator.h
index 47bdc1fd..5d0fcfee 100644
--- a/client/configurators/vpn_configurator.h
+++ b/client/configurators/vpn_configurator.h
@@ -19,8 +19,7 @@ class VpnConfigurator : ConfiguratorBase
 {
     Q_OBJECT
 public:
-    VpnConfigurator(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    VpnConfigurator(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
     QString genVpnProtocolConfig(const ServerCredentials &credentials, DockerContainer container,
         const QJsonObject &containerConfig, Proto proto, ErrorCode *errorCode = nullptr);
@@ -35,8 +34,6 @@ public:
     void updateContainerConfigAfterInstallation(DockerContainer container,
         QJsonObject &containerConfig, const QString &stdOut);
 
-    std::shared_ptr<ServerController> m_serverController;
-
     std::shared_ptr<OpenVpnConfigurator> openVpnConfigurator;
     std::shared_ptr<ShadowSocksConfigurator> shadowSocksConfigurator;
     std::shared_ptr<CloakConfigurator> cloakConfigurator;
diff --git a/client/configurators/wireguard_configurator.cpp b/client/configurators/wireguard_configurator.cpp
index 4c22dc62..f7ab1657 100644
--- a/client/configurators/wireguard_configurator.cpp
+++ b/client/configurators/wireguard_configurator.cpp
@@ -21,8 +21,8 @@
 #include "core/servercontroller.h"
 #include "settings.h"
 
-WireguardConfigurator::WireguardConfigurator(std::shared_ptr<Settings> settings, std::shared_ptr<ServerController> serverController, QObject *parent):
-    ConfiguratorBase(settings, serverController, parent)
+WireguardConfigurator::WireguardConfigurator(std::shared_ptr<Settings> settings, QObject *parent):
+    ConfiguratorBase(settings, parent)
 {
 
 }
@@ -70,6 +70,7 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardCon
     }
 
     ErrorCode e = ErrorCode::NoError;
+    ServerController serverController(m_settings);
 
     // Get list of already created clients (only IP addreses)
     QString nextIpNumber;
@@ -81,7 +82,7 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardCon
             return ErrorCode::NoError;
         };
 
-        e = m_serverController->runContainerScript(credentials, container, script, cbReadStdOut);
+        e = serverController.runContainerScript(credentials, container, script, cbReadStdOut);
         if (errorCode && e) {
             *errorCode = e;
             return connData;
@@ -119,14 +120,14 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardCon
     }
 
     // Get keys
-    connData.serverPubKey = m_serverController->getTextFileFromContainer(container, credentials, amnezia::protocols::wireguard::serverPublicKeyPath, &e);
+    connData.serverPubKey = serverController.getTextFileFromContainer(container, credentials, amnezia::protocols::wireguard::serverPublicKeyPath, &e);
     connData.serverPubKey.replace("\n", "");
     if (e) {
         if (errorCode) *errorCode = e;
         return connData;
     }
 
-    connData.pskKey = m_serverController->getTextFileFromContainer(container, credentials, amnezia::protocols::wireguard::serverPskKeyPath, &e);
+    connData.pskKey = serverController.getTextFileFromContainer(container, credentials, amnezia::protocols::wireguard::serverPskKeyPath, &e);
     connData.pskKey.replace("\n", "");
 
     if (e) {
@@ -144,7 +145,7 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardCon
             arg(connData.pskKey).
             arg(connData.clientIP);
 
-    e = m_serverController->uploadTextFileToContainer(container, credentials, configPart,
+    e = serverController.uploadTextFileToContainer(container, credentials, configPart,
         protocols::wireguard::serverConfigPath, libssh::SftpOverwriteMode::SftpAppendToExisting);
 
     if (e) {
@@ -152,9 +153,9 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardCon
         return connData;
     }
 
-    e = m_serverController->runScript(credentials,
-        m_serverController->replaceVars("sudo docker exec -i $CONTAINER_NAME bash -c 'wg syncconf wg0 <(wg-quick strip /opt/amnezia/wireguard/wg0.conf)'",
-            m_serverController->genVarsForScript(credentials, container)));
+    e = serverController.runScript(credentials,
+        serverController.replaceVars("sudo docker exec -i $CONTAINER_NAME bash -c 'wg syncconf wg0 <(wg-quick strip /opt/amnezia/wireguard/wg0.conf)'",
+            serverController.genVarsForScript(credentials, container)));
 
     return connData;
 }
@@ -162,8 +163,9 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardCon
 QString WireguardConfigurator::genWireguardConfig(const ServerCredentials &credentials,
     DockerContainer container, const QJsonObject &containerConfig, ErrorCode *errorCode)
 {
-    QString config = m_serverController->replaceVars(amnezia::scriptData(ProtocolScriptType::wireguard_template, container),
-            m_serverController->genVarsForScript(credentials, container, containerConfig));
+    ServerController serverController(m_settings);
+    QString config = serverController.replaceVars(amnezia::scriptData(ProtocolScriptType::wireguard_template, container),
+                                                  serverController.genVarsForScript(credentials, container, containerConfig));
 
     ConnectionData connData = prepareWireguardConfig(credentials, container, containerConfig, errorCode);
     if (errorCode && *errorCode) {
diff --git a/client/configurators/wireguard_configurator.h b/client/configurators/wireguard_configurator.h
index 76790d74..ab903d29 100644
--- a/client/configurators/wireguard_configurator.h
+++ b/client/configurators/wireguard_configurator.h
@@ -11,8 +11,7 @@ class WireguardConfigurator : ConfiguratorBase
 {
     Q_OBJECT
 public:
-    WireguardConfigurator(std::shared_ptr<Settings> settings,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    WireguardConfigurator(std::shared_ptr<Settings> settings, QObject *parent = nullptr);
 
     struct ConnectionData {
         QString clientPrivKey; // client private key
diff --git a/client/core/servercontroller.cpp b/client/core/servercontroller.cpp
index 03ecf86d..0963f0e1 100644
--- a/client/core/servercontroller.cpp
+++ b/client/core/servercontroller.cpp
@@ -39,6 +39,7 @@ ServerController::ServerController(std::shared_ptr<Settings> settings, QObject *
 
 ServerController::~ServerController()
 {
+    m_sshClient.disconnectFromHost();
 }
 
 
@@ -629,11 +630,6 @@ void ServerController::setCancelInstallation(const bool cancel)
     m_cancelInstallation = cancel;
 }
 
-void ServerController::disconnectFromHost(const ServerCredentials &credentials)
-{
-    m_sshClient.disconnectFromHost();
-}
-
 ErrorCode ServerController::setupServerFirewall(const ServerCredentials &credentials)
 {
     return runScript(credentials,
diff --git a/client/core/servercontroller.h b/client/core/servercontroller.h
index 99ae3cd6..431104e7 100644
--- a/client/core/servercontroller.h
+++ b/client/core/servercontroller.h
@@ -22,8 +22,6 @@ public:
 
     typedef QList<QPair<QString, QString>> Vars;
 
-    void disconnectFromHost(const ServerCredentials &credentials);
-
     ErrorCode removeAllContainers(const ServerCredentials &credentials);
     ErrorCode removeContainer(const ServerCredentials &credentials, DockerContainer container);
     ErrorCode setupContainer(const ServerCredentials &credentials, DockerContainer container,
diff --git a/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp b/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp
index 187af9ee..71d9567e 100644
--- a/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp
+++ b/client/ui/pages_logic/AdvancedServerSettingsLogic.cpp
@@ -44,10 +44,11 @@ void AdvancedServerSettingsLogic::onPushButtonClearServerClicked()
         uiLogic()->pageLogic<VpnLogic>()->onDisconnect();
     }
 
-    ErrorCode e = m_serverController->removeAllContainers(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
-    if (e) {
+    ServerController serverController(m_settings);
+    ErrorCode errorCode = serverController.removeAllContainers(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
+    if (errorCode) {
         emit uiLogic()->showWarningMessage(tr("Error occurred while cleaning the server.") + "\n" +
-                                           tr("Error message: ") + errorString(e) + "\n" +
+                                           tr("Error message: ") + errorString(errorCode) + "\n" +
                                            tr("See logs for details."));
     } else {
         set_labelWaitInfoVisible(true);
diff --git a/client/ui/pages_logic/PageLogicBase.cpp b/client/ui/pages_logic/PageLogicBase.cpp
index 9274ef49..05c4e3a1 100644
--- a/client/ui/pages_logic/PageLogicBase.cpp
+++ b/client/ui/pages_logic/PageLogicBase.cpp
@@ -11,7 +11,6 @@ PageLogicBase::PageLogicBase(UiLogic *logic, QObject *parent):
 {
     m_settings = logic->m_settings;
     m_configurator = logic->m_configurator;
-    m_serverController = logic->m_serverController;
 }
 
 
diff --git a/client/ui/pages_logic/PageLogicBase.h b/client/ui/pages_logic/PageLogicBase.h
index 887b0ec7..6616de9d 100644
--- a/client/ui/pages_logic/PageLogicBase.h
+++ b/client/ui/pages_logic/PageLogicBase.h
@@ -28,7 +28,6 @@ protected:
 
     std::shared_ptr<Settings> m_settings;
     std::shared_ptr<VpnConfigurator> m_configurator;
-    std::shared_ptr<ServerController> m_serverController;
 
 signals:
     void updatePage();
diff --git a/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp b/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp
index f6a8abdb..9874837f 100644
--- a/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp
+++ b/client/ui/pages_logic/ServerConfiguringProgressLogic.cpp
@@ -96,19 +96,18 @@ ErrorCode ServerConfiguringProgressLogic::doInstallAction(const std::function<Er
     progress.setValueFunc(0);
     timer.start(1000);
 
+    ServerController serverController(m_settings);
+
     QMetaObject::Connection cancelDoInstallActionConnection;
     if (cancelButton.setVisibleFunc) {
         cancelDoInstallActionConnection = connect(this, &ServerConfiguringProgressLogic::cancelDoInstallAction,
-                m_serverController.get(), &ServerController::setCancelInstallation);
+                &serverController, &ServerController::setCancelInstallation);
     }
 
 
     QMetaObject::Connection serverBusyConnection;
     if (serverBusyInfo.setVisibleFunc && serverBusyInfo.setTextFunc) {
-        serverBusyConnection = connect(m_serverController.get(),
-                             &ServerController::serverIsBusy,
-                             this,
-                             [&serverBusyInfo, &timer, &cancelButton](const bool isBusy) {
+        auto onServerIsBusy = [&serverBusyInfo, &timer, &cancelButton](const bool isBusy) {
             isBusy ? timer.stop() : timer.start(1000);
             serverBusyInfo.setVisibleFunc(isBusy);
             serverBusyInfo.setTextFunc(isBusy ? "Amnesia has detected that your server is currently "
@@ -118,7 +117,9 @@ ErrorCode ServerConfiguringProgressLogic::doInstallAction(const std::function<Er
             if (cancelButton.setVisibleFunc) {
                 cancelButton.setVisibleFunc(isBusy ? true : false);
             }
-        });
+        };
+
+        serverBusyConnection = connect(&serverController, &ServerController::serverIsBusy, this, onServerIsBusy);
     }
 
     ErrorCode e = action();
@@ -182,5 +183,5 @@ ErrorCode ServerConfiguringProgressLogic::doInstallAction(const std::function<Er
 
 void ServerConfiguringProgressLogic::onPushButtonCancelClicked()
 {
-    cancelDoInstallAction(true);
+    emit cancelDoInstallAction(true);
 }
diff --git a/client/ui/pages_logic/ServerContainersLogic.cpp b/client/ui/pages_logic/ServerContainersLogic.cpp
index 870a10db..4896c34a 100644
--- a/client/ui/pages_logic/ServerContainersLogic.cpp
+++ b/client/ui/pages_logic/ServerContainersLogic.cpp
@@ -70,7 +70,8 @@ void ServerContainersLogic::onPushButtonShareClicked(DockerContainer c)
 void ServerContainersLogic::onPushButtonRemoveClicked(DockerContainer container)
 {
     //buttonSetEnabledFunc(false);
-    ErrorCode e = m_serverController->removeContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), container);
+    ServerController serverController(m_settings);
+    ErrorCode e = serverController.removeContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), container);
     m_settings->removeContainerConfig(uiLogic()->m_selectedServerIndex, container);
     //buttonSetEnabledFunc(true);
 
@@ -84,7 +85,8 @@ void ServerContainersLogic::onPushButtonRemoveClicked(DockerContainer container)
 
 void ServerContainersLogic::onPushButtonContinueClicked(DockerContainer c, int port, TransportProto tp)
 {
-    QJsonObject config = m_serverController->createContainerInitialConfig(c, port, tp);
+    ServerController serverController(m_settings);
+    QJsonObject config = serverController.createContainerInitialConfig(c, port, tp);
 
     emit uiLogic()->goToPage(Page::ServerConfiguringProgress);
     qApp->processEvents();
@@ -95,7 +97,8 @@ void ServerContainersLogic::onPushButtonContinueClicked(DockerContainer c, int p
     if (errorCode == ErrorCode::NoError) {
         if (!uiLogic()->isContainerAlreadyAddedToGui(c)) {
             auto installAction = [this, c, &config]() {
-                return m_serverController->setupContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), c, config);
+                ServerController serverController(m_settings);
+                return serverController.setupContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), c, config);
             };
             errorCode = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction);
 
diff --git a/client/ui/pages_logic/StartPageLogic.cpp b/client/ui/pages_logic/StartPageLogic.cpp
index cddd6d40..6708a276 100644
--- a/client/ui/pages_logic/StartPageLogic.cpp
+++ b/client/ui/pages_logic/StartPageLogic.cpp
@@ -131,10 +131,11 @@ void StartPageLogic::onPushButtonConnect()
     set_pushButtonConnectEnabled(false);
     set_pushButtonConnectText(tr("Connecting..."));
 
+    ServerController serverController(m_settings);
     ErrorCode errorCode = ErrorCode::NoError;
 
     if (pushButtonConnectKeyChecked()) {
-        auto passphraseCallback = [this]() {
+        auto passphraseCallback = [this, &serverController]() {
             emit showPassphraseRequestMessage();
             QEventLoop loop;
             QObject::connect(this, &StartPageLogic::passphraseDialogClosed, &loop, &QEventLoop::quit);
@@ -142,14 +143,14 @@ void StartPageLogic::onPushButtonConnect()
 
             return m_privateKeyPassphrase;
         };
-        m_serverController->setPassphraseCallback(passphraseCallback);
+        serverController.setPassphraseCallback(passphraseCallback);
     }
 
-    QString output = m_serverController->checkSshConnection(serverCredentials, &errorCode);
+    QString output = serverController.checkSshConnection(serverCredentials, &errorCode);
 
     if (pushButtonConnectKeyChecked()) {
         QString decryptedPrivateKey;
-        errorCode = uiLogic()->m_serverController->getDecryptedPrivateKey(serverCredentials, decryptedPrivateKey);
+        errorCode = serverController.getDecryptedPrivateKey(serverCredentials, decryptedPrivateKey);
         if (errorCode == ErrorCode::NoError) {
             serverCredentials.password = decryptedPrivateKey;
         }
diff --git a/client/ui/pages_logic/protocols/CloakLogic.cpp b/client/ui/pages_logic/protocols/CloakLogic.cpp
index d62f8624..3256de87 100644
--- a/client/ui/pages_logic/protocols/CloakLogic.cpp
+++ b/client/ui/pages_logic/protocols/CloakLogic.cpp
@@ -112,15 +112,16 @@ void CloakLogic::onPushButtonSaveClicked()
 
     progressBarFunc.setTextVisibleFunc(true);
     progressBarFunc.setTextFunc(QString("Configuring..."));
-    ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction([this, containerConfig, &newContainerConfig](){
-        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
-                                                   uiLogic()->m_selectedDockerContainer,
-                                                   containerConfig,
-                                                   newContainerConfig);
-    },
-    pageFunc, progressBarFunc,
-    saveButtonFunc, waitInfoFunc,
-    busyInfoFuncy, cancelButtonFunc);
+
+    auto installAction = [this, containerConfig, &newContainerConfig]() {
+        ServerController serverController(m_settings);
+        return serverController.updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
+                                                   uiLogic()->m_selectedDockerContainer, containerConfig, newContainerConfig);
+    };
+
+    ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction, pageFunc, progressBarFunc,
+                                                                                          saveButtonFunc, waitInfoFunc,
+                                                                                          busyInfoFuncy, cancelButtonFunc);
 
     if (!e) {
         m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, newContainerConfig);
diff --git a/client/ui/pages_logic/protocols/OpenVpnLogic.cpp b/client/ui/pages_logic/protocols/OpenVpnLogic.cpp
index d5deecf3..fe3a2ed6 100644
--- a/client/ui/pages_logic/protocols/OpenVpnLogic.cpp
+++ b/client/ui/pages_logic/protocols/OpenVpnLogic.cpp
@@ -162,15 +162,16 @@ void OpenVpnLogic::onPushButtonSaveClicked()
 
     progressBarFunc.setTextVisibleFunc(true);
     progressBarFunc.setTextFunc(QString("Configuring..."));
-    ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction([this, containerConfig, &newContainerConfig](){
-        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
-                                                   uiLogic()->m_selectedDockerContainer,
-                                                   containerConfig,
-                                                   newContainerConfig);
-    },
-    pageFunc, progressBarFunc,
-    saveButtonFunc, waitInfoFunc,
-    busyInfoFuncy, cancelButtonFunc);
+
+    auto installAction = [this, containerConfig, &newContainerConfig]() {
+        ServerController serverController(m_settings);
+        return serverController.updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
+                                                   uiLogic()->m_selectedDockerContainer, containerConfig, newContainerConfig);
+    };
+
+    ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction, pageFunc, progressBarFunc,
+                                                                                          saveButtonFunc, waitInfoFunc,
+                                                                                          busyInfoFuncy, cancelButtonFunc);
 
     if (!e) {
         m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, newContainerConfig);
diff --git a/client/ui/pages_logic/protocols/ShadowSocksLogic.cpp b/client/ui/pages_logic/protocols/ShadowSocksLogic.cpp
index 708073a6..b1d75b8b 100644
--- a/client/ui/pages_logic/protocols/ShadowSocksLogic.cpp
+++ b/client/ui/pages_logic/protocols/ShadowSocksLogic.cpp
@@ -104,8 +104,10 @@ void ShadowSocksLogic::onPushButtonSaveClicked()
 
     progressBarFunc.setTextVisibleFunc(true);
     progressBarFunc.setTextFunc(QString("Configuring..."));
+
     auto installAction = [this, containerConfig, &newContainerConfig]() {
-        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
+        ServerController serverController(m_settings);
+        return serverController.updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
                                                    uiLogic()->m_selectedDockerContainer, containerConfig, newContainerConfig);
     };
     ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction, pageFunc, progressBarFunc,
diff --git a/client/ui/uilogic.cpp b/client/ui/uilogic.cpp
index 2b66d6c9..52f3bbc0 100644
--- a/client/ui/uilogic.cpp
+++ b/client/ui/uilogic.cpp
@@ -78,16 +78,14 @@ using namespace amnezia;
 using namespace PageEnumNS;
 
 UiLogic::UiLogic(std::shared_ptr<Settings> settings, std::shared_ptr<VpnConfigurator> configurator,
-    std::shared_ptr<ServerController> serverController,
     QObject *parent) :
     QObject(parent),
     m_settings(settings),
-    m_configurator(configurator),
-    m_serverController(serverController)
+    m_configurator(configurator)
 {
     m_containersModel = new ContainersModel(settings, this);
     m_protocolsModel = new ProtocolsModel(settings, this);
-    m_vpnConnection = new VpnConnection(settings, configurator, serverController);
+    m_vpnConnection = new VpnConnection(settings, configurator);
     m_vpnConnection->moveToThread(&m_vpnConnectionThread);
     m_vpnConnectionThread.start();
 
@@ -337,7 +335,8 @@ void UiLogic::installServer(QPair<DockerContainer, QJsonObject> &container)
         if (!isContainerAlreadyAddedToGui(container.first)) {
             progressBarFunc.setTextFunc(QString("Installing %1").arg(ContainerProps::containerToString(container.first)));
             auto installAction = [&] () {
-                return m_serverController->setupContainer(m_installCredentials, container.first, container.second);
+                ServerController serverController(m_settings);
+                return serverController.setupContainer(m_installCredentials, container.first, container.second);
             };
             errorCode = pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction, pageFunc, progressBarFunc,
                                                                                      noButton, waitInfoFunc,
@@ -531,7 +530,8 @@ ErrorCode UiLogic::addAlreadyInstalledContainersGui(bool createNewServer, bool &
     }
 
     QMap<DockerContainer, QJsonObject> installedContainers;
-    ErrorCode errorCode = m_serverController->getAlreadyInstalledContainers(credentials, installedContainers);
+    ServerController serverController(m_settings);
+    ErrorCode errorCode = serverController.getAlreadyInstalledContainers(credentials, installedContainers);
     if (errorCode != ErrorCode::NoError) {
         return errorCode;
     }
diff --git a/client/ui/uilogic.h b/client/ui/uilogic.h
index 3a5559f2..e4eb9185 100644
--- a/client/ui/uilogic.h
+++ b/client/ui/uilogic.h
@@ -67,8 +67,7 @@ class UiLogic : public QObject
     READONLY_PROPERTY(QObject *, protocolsModel)
 
 public:
-    explicit UiLogic(std::shared_ptr<Settings> settings, std::shared_ptr<VpnConfigurator> configurator,
-        std::shared_ptr<ServerController> serverController, QObject *parent = nullptr);
+    explicit UiLogic(std::shared_ptr<Settings> settings, std::shared_ptr<VpnConfigurator> configurator, QObject *parent = nullptr);
     ~UiLogic();
     void showOnStartup();
 
@@ -180,7 +179,6 @@ private:
 
     std::shared_ptr<Settings> m_settings;
     std::shared_ptr<VpnConfigurator> m_configurator;
-    std::shared_ptr<ServerController> m_serverController;
 
     NotificationHandler* m_notificationHandler;
 
diff --git a/client/vpnconnection.cpp b/client/vpnconnection.cpp
index 21643ae5..c9e97e03 100644
--- a/client/vpnconnection.cpp
+++ b/client/vpnconnection.cpp
@@ -30,11 +30,9 @@
 #include "vpnconnection.h"
 
 VpnConnection::VpnConnection(std::shared_ptr<Settings> settings,
-    std::shared_ptr<VpnConfigurator> configurator,
-    std::shared_ptr<ServerController> serverController, QObject* parent) : QObject(parent),
+    std::shared_ptr<VpnConfigurator> configurator, QObject* parent) : QObject(parent),
     m_settings(settings),
     m_configurator(configurator),
-    m_serverController(serverController),
     m_isIOSConnected(false)
 {
 }
diff --git a/client/vpnconnection.h b/client/vpnconnection.h
index ab8f2de0..8dea7478 100644
--- a/client/vpnconnection.h
+++ b/client/vpnconnection.h
@@ -33,8 +33,7 @@ class VpnConnection : public QObject
 
 public:
     explicit VpnConnection(std::shared_ptr<Settings> settings,
-        std::shared_ptr<VpnConfigurator> configurator,
-        std::shared_ptr<ServerController> serverController, QObject* parent = nullptr);
+        std::shared_ptr<VpnConfigurator> configurator, QObject* parent = nullptr);
     ~VpnConnection() override;
 
     static QString bytesPerSecToText(quint64 bytes);
@@ -96,7 +95,6 @@ protected:
 private:
     std::shared_ptr<Settings> m_settings;
     std::shared_ptr<VpnConfigurator> m_configurator;
-    std::shared_ptr<ServerController> m_serverController;
 
     QJsonObject m_vpnConfiguration;
     QJsonObject m_routeMode;