--- a/plasma-workspace/systemmonitor/ksystemactivitydialog.cpp

+++ b/plasma-workspace/systemmonitor/ksystemactivitydialog.cpp

@@ -20,6 +20,7 @@

 #include "ksystemactivitydialog.h"

+#include <QTreeView>

 #include <QAction>

 #include <QCloseEvent>

 #include <QDBusConnection>

@@ -37,6 +38,7 @@

 KSystemActivityDialog::KSystemActivityDialog(QWidget *parent)

     : QDialog(parent)

     , m_processList(nullptr)

+    , m_ignoreConfig(false)

 {

     setWindowTitle(i18n("System Activity"));

     setWindowIcon(QIcon::fromTheme(QStringLiteral("utilities-system-monitor")));

@@ -51,8 +53,32 @@ KSystemActivityDialog::KSystemActivityDi

     connect(closeWindow, &QAction::triggered, this, &KSystemActivityDialog::accept);

     addAction(closeWindow);

-    KConfigGroup cg = KSharedConfig::openConfig()->group("TaskDialog");

-    m_processList.loadSettings(cg);

+    if (!m_ignoreConfig) {

+        qDebug() << "Settings was loaded from config";

+        KConfigGroup cg = KSharedConfig::openConfig()->group("TaskDialog");

+

+        m_processList.loadSettings(cg);

+    } else {

+        qDebug() << "Config was ignored, default settings were used";

+        // sort descending by memory, for some weird reason Qt::AscendingOrder is sorting descending and vice versa

+        m_processList.treeView()->sortByColumn(ProcessModel::HeadingMemory, Qt::AscendingOrder);

+        // show only own processes

+        m_processList.setState(ProcessFilter::State::OwnProcesses);

+        // hide "user" column

+        m_processList.treeView()->hideColumn(ProcessModel::HeadingUser);

+        // show "kill" column

+        m_processList.treeView()->showColumn(ProcessModel::HeadingKillBtn);

+        // move "kill" button

+        m_processList.setKillButtonVisible(false);

+

+        // resize columns

+        m_processList.treeView()->resizeColumnToContents(ProcessModel::HeadingMemory);

+        m_processList.treeView()->resizeColumnToContents(ProcessModel::HeadingName);

+        m_processList.treeView()->resizeColumnToContents(ProcessModel::HeadingKillBtn);

+

+        // update every 2 seconds

+        m_processList.setUpdateIntervalMSecs(2000);

+    }

     QDBusConnection con = QDBusConnection::sessionBus();

     con.registerObject(QStringLiteral("/"), this, QDBusConnection::ExportAllSlots);

@@ -79,18 +105,21 @@ QString KSystemActivityDialog::filterTex

 void KSystemActivityDialog::closeEvent(QCloseEvent *event)

 {

-    saveDialogSettings();

+    if (!m_ignoreConfig)

+        saveDialogSettings();

     event->accept();

 }

 void KSystemActivityDialog::reject()

 {

-    saveDialogSettings();

+    if (!m_ignoreConfig)

+        saveDialogSettings();

     QDialog::reject();

 }

 void KSystemActivityDialog::saveDialogSettings()

 {

+    qDebug() << "Saving settings";

     // When the user closes the dialog, save the process list setup

     KConfigGroup cg = KSharedConfig::openConfig()->group("TaskDialog");

     m_processList.saveSettings(cg);

@@ -102,4 +131,9 @@ QSize KSystemActivityDialog::sizeHint()

     return QSize(650, 420);

 }

+void KSystemActivityDialog::ignoreConfig()

+{

+    m_ignoreConfig = true;

+}

+

 #endif // not Q_WS_WIN

diff --git a/plasma-workspace/systemmonitor/ksystemactivitydialog.h b/plasma-workspace/systemmonitor/ksystemactivitydialog.h

index 49a12828..03d142f2 100644

--- a/plasma-workspace/systemmonitor/ksystemactivitydialog.h

+++ b/plasma-workspace/systemmonitor/ksystemactivitydialog.h

@@ -43,6 +43,7 @@ public:

      */

     void run();

+    void ignoreConfig();

     /** Set the text in the filter line in the process list widget */

     void setFilterText(const QString &filterText);

     QString filterText() const;

@@ -59,6 +60,7 @@ protected:

 private:

     void saveDialogSettings();

+    bool m_ignoreConfig;

     KSysGuardProcessList m_processList;

 };

 #endif // not Q_WS_WIN

--- a/plasma-workspace/systemmonitor/main.cpp

+++ b/plasma-workspace/systemmonitor/main.cpp

@@ -17,6 +17,9 @@

  *

  */

+#include <QCommandLineParser>

+#include <QCommandLineOption>

+#include <QDebug>

 #include <KLocalizedString>

 #include <QApplication>

 #include <QDBusConnection>

@@ -42,5 +45,19 @@ int main(int argc, char **argv)

     }

     KSystemActivityDialog dialog;

+

+    QCommandLineParser cliOptions;

+    QCommandLineOption ignOption(QStringList() << QStringLiteral("i") <<

+                                 QStringLiteral("ignore-config"),

+                                 i18n("Disable config file"));

+

+    cliOptions.addOption(ignOption);

+    cliOptions.process(app);

+

+    if (cliOptions.isSet(ignOption)) {

+        dialog.ignoreConfig();

+        qDebug() << "The config will be ignored";

+    }

+

     return dialog.exec();

 }