KDE Connect/Tutorials/Useful commands

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List of example commands for KDE Connect

In KDE Connect, you can add your own commands and execute them from your phone. Here are some useful commands. Feel free to add your own!

Control your computer state

Shutdown:
```
systemctl poweroff
```
Reboot:
```
systemctl reboot
```
Suspend:
```
systemctl suspend
```
Hibernate:
```
systemctl hibernate
```
Lock screen:
```
loginctl lock-session
```
Unlock screen:
```
loginctl unlock-session
```

Turn off screen:

sleep 0.1 && qdbus org.kde.kglobalaccel /component/org_kde_powerdevil invokeShortcut "Turn Off Screen"

Lock keyboard and mouse (not the screen):
```
pyxtrlock
```
Unlock keyboard and mouse:
```
pkill pyxtrlock
```

Volume control

Plasma

Volume down:

qdbus org.kde.kglobalaccel /component/kmix invokeShortcut "decrease_volume"

Volume up:

qdbus org.kde.kglobalaccel /component/kmix invokeShortcut "increase_volume"

Mute:

qdbus org.kde.kglobalaccel /component/kmix invokeShortcut "mute"

Mute microphone:

qdbus org.kde.kglobalaccel /component/kmix invokeShortcut "mic_mute"

Other DE/WM (with pactl)

Volume down:

pactl set-sink-volume $(pactl list short sinks | grep RUNNING | cut -f1) -10%

Volume up:

pactl set-sink-volume $(pactl list short sinks | grep RUNNING | cut -f1) +10%

Mute/Unmute:

pactl set-sink-mute $(pactl list short sinks | grep RUNNING | cut -f1) toggle

Other DE/WM (with amixer)

Volume down:
```
amixer -q sset Master 10%-
```
Volume up:
```
amixer -q sset Master 10%+
```

Other commands can be built using amixer

Change look and feel

Breeze (Light) theme:

lookandfeeltool -a 'org.kde.breeze.desktop'

Breeze (Dark) theme:

lookandfeeltool -a 'org.kde.breezedark.desktop'

Brightness settings

Brightness Up:

qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/BrightnessControl org.kde.Solid.PowerManagement.Actions.BrightnessControl.setBrightness $(expr $(qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/BrightnessControl org.kde.Solid.PowerManagement.Actions.BrightnessControl.brightness) + 375)

Brightness Down:

qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/BrightnessControl org.kde.Solid.PowerManagement.Actions.BrightnessControl.setBrightness $(expr $(qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/BrightnessControl org.kde.Solid.PowerManagement.Actions.BrightnessControl.brightness) - 375)

Screen capture

Save locally:
```
spectacle -b
```

Send to phone:

file=/tmp/$(hostname)_$(date "+%Y%m%d_%H%M%S").png; spectacle -bo "${file}" && while ! [ -f "${file}" ]; do sleep 0.5; done && kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --share "${file}"

Save webcam photo in the Images folder and send to phone:

file="$HOME/Images/WebcamImage_$(date "+%Y%m%d_%H%M%S").jpg"; ffmpeg -f video4linux2 -s 1280x720 -i /dev/video0 -ss 0:0:2 -frames 1 "${file}" && kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --share "${file}"

Send output of any command to your phone

Check the status of baloo indexing:

kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --ping-msg "$(balooctl status)"

Check lines 5, 7 and 9 of speedtest-cli:

kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --ping-msg "$(speedtest-cli|awk 'NR==5;NR==7;NR==9 {print;exit}')"

Check whether service sshd is running:

kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --ping-msg "$(systemctl status sshd|grep Active)"

Check the top 5 applications using most RAM:

kdeconnect-cli -d $(kdeconnect-cli -a --id-only) --ping-msg "$(ps -eo pid,%mem,cmd --sort=-%mem | head -n 6)"