diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c7a4225..78d0262 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,6 +31,8 @@ jobs:
       - name: Build
         run: |
           ./scripts/install-ubuntu.sh
+          # assert no library missing
+          test $(ldd $(which gpclient) | grep 'not found' | wc -l) -eq 0
 
   snapshot-archive-all:
     if: ${{ github.event_name != 'pull_request' && github.ref == 'refs/heads/develop' }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index d10a034..3a2c2d6 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-18.04, ubuntu-20.04]
-    
+
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -28,4 +28,6 @@ jobs:
 
       - name: Build
         run: |
-          ./scripts/install-ubuntu.sh
\ No newline at end of file
+          ./scripts/install-ubuntu.sh
+          # assert no library missing
+          test $(ldd $(which gpclient) | grep 'not found' | wc -l) -eq 0
diff --git a/.gitmodules b/.gitmodules
index 45a9506..706e889 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,6 @@
 [submodule "plog"]
 	path = 3rdparty/plog
 	url = https://github.com/SergiusTheBest/plog.git
+[submodule "3rdparty/qtkeychain"]
+	path = 3rdparty/qtkeychain
+	url = git@github.com:frankosterfeld/qtkeychain.git
diff --git a/3rdparty/qtkeychain b/3rdparty/qtkeychain
new file mode 160000
index 0000000..f197cdb
--- /dev/null
+++ b/3rdparty/qtkeychain
@@ -0,0 +1 @@
+Subproject commit f197cdb935b0cfd9881fdc6860874cb8379d1238
diff --git a/GPClient/CMakeLists.txt b/GPClient/CMakeLists.txt
index 578e1fd..e31b75d 100644
--- a/GPClient/CMakeLists.txt
+++ b/GPClient/CMakeLists.txt
@@ -64,6 +64,17 @@ add_3rdparty(
         -DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE}
 )
 
+add_3rdparty(
+    qtkeychain
+    GIT_REPOSITORY https://github.com/frankosterfeld/qtkeychain.git
+    GIT_TAG master
+    CMAKE_ARGS
+        -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+        -DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE}
+        -DCMAKE_FIND_ROOT_PATH=${CMAKE_FIND_ROOT_PATH}
+        -DCMAKE_PREFIX_PATH=$ENV{CMAKE_PREFIX_PATH}
+)
+
 ExternalProject_Get_Property(SingleApplication-${PROJECT_NAME} SOURCE_DIR BINARY_DIR)
 set(SingleApplication_INCLUDE_DIR ${SOURCE_DIR})
 set(SingleApplication_LIBRARY ${BINARY_DIR}/libSingleApplication.a)
@@ -71,7 +82,16 @@ set(SingleApplication_LIBRARY ${BINARY_DIR}/libSingleApplication.a)
 ExternalProject_Get_Property(plog-${PROJECT_NAME} SOURCE_DIR)
 set(plog_INCLUDE_DIR "${SOURCE_DIR}/include")
 
-add_dependencies(gpclient SingleApplication-${PROJECT_NAME} plog-${PROJECT_NAME})
+ExternalProject_Get_Property(qtkeychain-${PROJECT_NAME} SOURCE_DIR BINARY_DIR)
+set(qtkeychain_INCLUDE_DIR "${SOURCE_DIR}")
+set(qtkeychain_BINARY_DIR "${BINARY_DIR}")
+set(qtkeychain_LIBRARY ${BINARY_DIR}/libqt5keychain.so)
+
+add_dependencies(gpclient
+    SingleApplication-${PROJECT_NAME}
+    plog-${PROJECT_NAME}
+    qtkeychain-${PROJECT_NAME}
+)
 
 target_include_directories(gpclient PRIVATE
     ${CMAKE_BINARY_DIR}
@@ -79,10 +99,13 @@ target_include_directories(gpclient PRIVATE
     ${CMAKE_CURRENT_BINARY_DIR}
     ${SingleApplication_INCLUDE_DIR}
     ${plog_INCLUDE_DIR}
+    ${qtkeychain_INCLUDE_DIR}
+    ${qtkeychain_BINARY_DIR}
 )
 
 target_link_libraries(gpclient
     ${SingleApplication_LIBRARY}
+    ${qtkeychain_LIBRARY}
     Qt5::Widgets
     Qt5::Network
     Qt5::WebSockets
diff --git a/GPClient/gpclient.cpp b/GPClient/gpclient.cpp
index 23c77f5..a68d7c6 100644
--- a/GPClient/gpclient.cpp
+++ b/GPClient/gpclient.cpp
@@ -61,12 +61,14 @@ void GPClient::setupSettings()
 void GPClient::onSettingsButtonClicked()
 {
     settingsDialog->setClientos(settings::get("clientos", "Linux").toString());
+    settingsDialog->setOsVersion(settings::get("os-version", QSysInfo::prettyProductName()).toString());
     settingsDialog->show();
 }
 
 void GPClient::onSettingsAccepted()
 {
     settings::save("clientos", settingsDialog->clientos());
+    settings::save("os-version", settingsDialog->osVersion());
 }
 
 void GPClient::on_connectButton_clicked()
@@ -438,8 +440,14 @@ bool GPClient::connected() const
 
 QList<GPGateway> GPClient::allGateways() const
 {
-    const QString gatewaysJson = settings::get(portal() + "_gateways").toString();
-    return GPGateway::fromJson(gatewaysJson);
+
+    QList<GPGateway> gateways;
+
+    for (auto g :settings::get_all("_gateways$") ){
+
+    	gateways.append(GPGateway::fromJson(settings::get(g).toString()));
+    }
+    return gateways;
 }
 
 void GPClient::setAllGateways(QList<GPGateway> gateways)
@@ -467,6 +475,7 @@ void GPClient::setCurrentGateway(const GPGateway gateway)
     LOGI << "Updating the current gateway to " << gateway.name();
 
     settings::save(portal() + "_selectedGateway", gateway.name());
+    ui->portalInput->setText(gateway.address());
     populateGatewayMenu();
 }
 
diff --git a/GPClient/gphelper.cpp b/GPClient/gphelper.cpp
index 08a5152..f38d2a8 100644
--- a/GPClient/gphelper.cpp
+++ b/GPClient/gphelper.cpp
@@ -9,9 +9,12 @@
 #include <plog/Log.h>
 #include <QWebEngineProfile>
 #include <QWebEngineCookieStore>
+#include <keychain.h>
 
 #include "gphelper.h"
 
+using namespace QKeychain;
+
 QNetworkAccessManager* gpclient::helper::networkManager = new QNetworkAccessManager;
 
 QNetworkReply* gpclient::helper::createRequest(QString url, QByteArray params)
@@ -115,6 +118,12 @@ QVariant gpclient::helper::settings::get(const QString &key, const QVariant &def
     return _settings->value(key, defaultValue);
 }
 
+QStringList gpclient::helper::settings::get_all(const QString &key, const QVariant &defaultValue)
+{
+	QRegularExpression re(key);
+	return 	_settings->allKeys().filter(re);
+}
+
 void gpclient::helper::settings::save(const QString &key, const QVariant &value)
 {
     _settings->setValue(key, value);
@@ -132,3 +141,38 @@ void gpclient::helper::settings::clear()
 
     QWebEngineProfile::defaultProfile()->cookieStore()->deleteAllCookies();
 }
+
+
+bool gpclient::helper::settings::secureSave(const QString &key, const QString &value) {
+    WritePasswordJob job( QLatin1String("gpclient") );
+    job.setAutoDelete( false );
+    job.setKey( key );
+    job.setTextData( value );
+    QEventLoop loop;
+    job.connect( &job, SIGNAL(finished(QKeychain::Job*)), &loop, SLOT(quit()) );
+    job.start();
+    loop.exec();
+    if ( job.error() ) {
+        return false;
+    }
+
+    return true;
+}
+
+bool gpclient::helper::settings::secureGet(const QString &key, QString &value) {
+    ReadPasswordJob job( QLatin1String("gpclient") );
+    job.setAutoDelete( false );
+    job.setKey( key );
+    QEventLoop loop;
+    job.connect( &job, SIGNAL(finished(QKeychain::Job*)), &loop, SLOT(quit()) );
+    job.start();
+    loop.exec();
+
+    const QString pw = job.textData();
+    if ( job.error() ) {
+        return false;
+    }
+    
+    value = pw;
+    return true;
+}
\ No newline at end of file
diff --git a/GPClient/gphelper.h b/GPClient/gphelper.h
index fb74899..634f82e 100644
--- a/GPClient/gphelper.h
+++ b/GPClient/gphelper.h
@@ -34,8 +34,12 @@ namespace gpclient {
             static const QStringList reservedKeys {"extraArgs", "clientos"};
 
             QVariant get(const QString &key, const QVariant &defaultValue = QVariant());
+            QStringList get_all(const QString &key, const QVariant &defaultValue = QVariant());
             void save(const QString &key, const QVariant &value);
             void clear();
+
+            bool secureSave(const QString &key, const QString &value);
+            bool secureGet(const QString &key, QString &value);
         }
     }
 }
diff --git a/GPClient/loginparams.cpp b/GPClient/loginparams.cpp
index 3126231..21ea259 100644
--- a/GPClient/loginparams.cpp
+++ b/GPClient/loginparams.cpp
@@ -1,6 +1,9 @@
 #include <QtCore/QUrlQuery>
 
 #include "loginparams.h"
+#include "gphelper.h"
+
+using namespace gpclient::helper;
 
 LoginParams::LoginParams(const QString clientos)
 {
@@ -14,13 +17,18 @@ LoginParams::LoginParams(const QString clientos)
     params.addQueryItem("ok", "Login");
     params.addQueryItem("direct", "yes");
     params.addQueryItem("clientVer", "4100");
-    params.addQueryItem("os-version", QUrl::toPercentEncoding(QSysInfo::prettyProductName()));
 
     // add the clientos parameter if not empty
     if (!clientos.isEmpty()) {
         params.addQueryItem("clientos", clientos);
     }
 
+    auto osVersion = settings::get("os-version", "").toString();
+    if (osVersion.isEmpty()) {
+        osVersion = QSysInfo::prettyProductName();
+    }
+    params.addQueryItem("os-version", QUrl::toPercentEncoding(osVersion));
+
     params.addQueryItem("portal-userauthcookie", "");
     params.addQueryItem("portal-prelogonuserauthcookie", "");
     params.addQueryItem("prelogin-cookie", "");
diff --git a/GPClient/settingsdialog.cpp b/GPClient/settingsdialog.cpp
index e2e28d4..51e230f 100644
--- a/GPClient/settingsdialog.cpp
+++ b/GPClient/settingsdialog.cpp
@@ -32,3 +32,11 @@ QString SettingsDialog::clientos()
 {
     return ui->clientosInput->text();
 }
+
+void SettingsDialog::setOsVersion(QString osVersion) {
+    ui->osVersionInput->setText(osVersion);
+}
+
+QString SettingsDialog::osVersion() {
+    return ui->osVersionInput->text();
+}
diff --git a/GPClient/settingsdialog.h b/GPClient/settingsdialog.h
index 9e29e48..ab2a607 100644
--- a/GPClient/settingsdialog.h
+++ b/GPClient/settingsdialog.h
@@ -21,6 +21,9 @@ public:
     void setClientos(QString clientos);
     QString clientos();
 
+    void setOsVersion(QString osVersion);
+    QString osVersion();
+
 private:
     Ui::SettingsDialog *ui;
 };
diff --git a/GPClient/settingsdialog.ui b/GPClient/settingsdialog.ui
index 7a595f3..ba27742 100644
--- a/GPClient/settingsdialog.ui
+++ b/GPClient/settingsdialog.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>488</width>
-    <height>177</height>
+    <height>220</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -44,7 +44,7 @@
    <item row="1" column="0">
     <widget class="QLabel" name="label_2">
      <property name="text">
-      <string>Value of &quot;clientos&quot;:</string>
+      <string>clientos:</string>
      </property>
     </widget>
    </item>
@@ -55,7 +55,7 @@
      </property>
     </widget>
    </item>
-   <item row="2" column="1">
+   <item row="3" column="1">
     <widget class="QDialogButtonBox" name="buttonBox">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
@@ -65,6 +65,16 @@
      </property>
     </widget>
    </item>
+   <item row="2" column="1">
+    <widget class="QLineEdit" name="osVersionInput"/>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>os-version:</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources>
diff --git a/GPClient/standardloginwindow.cpp b/GPClient/standardloginwindow.cpp
index bdd9aa4..7964d1c 100644
--- a/GPClient/standardloginwindow.cpp
+++ b/GPClient/standardloginwindow.cpp
@@ -2,6 +2,9 @@
 
 #include "standardloginwindow.h"
 #include "ui_standardloginwindow.h"
+#include "gphelper.h"
+
+using namespace gpclient::helper;
 
 StandardLoginWindow::StandardLoginWindow(const QString &portalAddress, const QString &labelUsername,
                                          const QString &labelPassword, const QString &authMessage) :
@@ -13,11 +16,24 @@ StandardLoginWindow::StandardLoginWindow(const QString &portalAddress, const QSt
     ui->password->setPlaceholderText(labelPassword);
     ui->authMessage->setText(authMessage);
 
+    autocomplete();
+
     setWindowTitle("GlobalProtect Login");
     setFixedSize(width(), height());
     setModal(true);
 }
 
+void StandardLoginWindow::autocomplete() {
+    QString username, password;
+    settings::secureGet("username", username);
+    settings::secureGet("password", password);
+
+    if (!username.isEmpty() && !password.isEmpty()) {
+        ui->username->setText(username);
+        ui->password->setText(password);
+    }
+}
+
 void StandardLoginWindow::setProcessing(bool isProcessing) {
     ui->username->setReadOnly(isProcessing);
     ui->password->setReadOnly(isProcessing);
@@ -32,6 +48,9 @@ void StandardLoginWindow::on_loginButton_clicked() {
         return;
     }
 
+    settings::secureSave("username", username);
+    settings::secureSave("password", password);
+
     emit performLogin(username, password);
 }
 
diff --git a/GPClient/standardloginwindow.h b/GPClient/standardloginwindow.h
index 92f5f5d..894e7e3 100644
--- a/GPClient/standardloginwindow.h
+++ b/GPClient/standardloginwindow.h
@@ -28,6 +28,7 @@ private:
     Ui::StandardLoginWindow *ui;
 
     void closeEvent(QCloseEvent *event);
+    void autocomplete();
 };
 
 #endif // STANDARDLOGINWINDOW_H
diff --git a/GPService/gpservice.cpp b/GPService/gpservice.cpp
index 754cee9..40d06b8 100644
--- a/GPService/gpservice.cpp
+++ b/GPService/gpservice.cpp
@@ -199,7 +199,9 @@ void GPService::onProcessStdout()
     QString output = openconnect->readAllStandardOutput();
 
     log(output);
-    if (output.indexOf("Connected as") >= 0 || output.indexOf("Configured as") >= 0) {
+    if (output.indexOf("Connected as") >= 0 ||
+        output.indexOf("Configured as") >= 0 ||
+        output.indexOf("Configurado como") >= 0) {
         vpnStatus = GPService::VpnConnected;
         emit connected();
     }
diff --git a/README.md b/README.md
index 50bfafb..5ae12b4 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,14 @@ git clone https://github.com/yuezk/GlobalProtect-openconnect.git
 cd GlobalProtect-openconnect
 ```
 
+### MX Linux
+The following instructions are for **MX-21.2.1_x64 KDE**.
+
+```sh
+sudo apt install qttools5-dev libsecret-1-dev libqt5keychain1
+./scripts/install-debian.sh
+```
+
 ### Ubuntu/Mint
 
 > **⚠️ REQUIRED for Ubuntu 18.04 ⚠️**
@@ -138,6 +146,7 @@ Install the Qt5 dependencies and OpenConnect:
 - QtWebSockets
 - QtDBus
 - openconnect v8.x
+- qtkeychain
 
 ...then build and install with:
 
diff --git a/scripts/install-debian.sh b/scripts/install-debian.sh
new file mode 100755
index 0000000..74ebe20
--- /dev/null
+++ b/scripts/install-debian.sh
@@ -0,0 +1,14 @@
+#!/bin/bash -e
+
+sudo apt-get update
+sudo apt-get install -y \
+    build-essential \
+    qtbase5-dev \
+    libqt5websockets5-dev \
+    qtwebengine5-dev \
+    qttools5-dev \
+    libsecret-1-dev \
+    openconnect \
+	libqt5keychain1
+
+./scripts/install.sh
diff --git a/scripts/install-fedora.sh b/scripts/install-fedora.sh
index 37bab58..ee71cec 100755
--- a/scripts/install-fedora.sh
+++ b/scripts/install-fedora.sh
@@ -4,6 +4,7 @@ sudo dnf install -y \
     qt5-qtbase-devel \
     qt5-qtwebengine-devel \
     qt5-qtwebsockets-devel \
-    openconnect
+    openconnect \
+	qtkeychain
 
-./scripts/install.sh
\ No newline at end of file
+./scripts/install.sh
diff --git a/scripts/install-opensuse.sh b/scripts/install-opensuse.sh
index 3bd78c5..c4651f3 100755
--- a/scripts/install-opensuse.sh
+++ b/scripts/install-opensuse.sh
@@ -4,6 +4,7 @@ sudo zypper install -y \
     libqt5-qtbase-devel \
     libqt5-qtwebsockets-devel \
     libqt5-qtwebengine-devel \
-    openconnect
+    openconnect \
+	qtkeychain-qt5
 
-./scripts/install.sh
\ No newline at end of file
+./scripts/install.sh
diff --git a/scripts/install-ubuntu.sh b/scripts/install-ubuntu.sh
index c4ebe68..7f12c36 100755
--- a/scripts/install-ubuntu.sh
+++ b/scripts/install-ubuntu.sh
@@ -6,6 +6,8 @@ sudo apt-get install -y \
     qtbase5-dev \
     libqt5websockets5-dev \
     qtwebengine5-dev \
-    openconnect
+	qttools5-dev \
+    openconnect \
+	libqt5keychain1
 
 ./scripts/install.sh