A cute little screenshot and annotation tool on Linux

Posted on November 14, 2019 by Ahmed Tawfik

A very handy screenshot tool that works very well on my KDE plasma desktop on Ubuntu 19.10 is ksnip, which you can get from here: https://github.com/damirporobic/ksnip

Just download and install the deb file and that’s it!

Enjoy!

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Restart network manager indicator in KDE Plasma Desktop

Posted on November 11, 2019 by Ahmed Tawfik 
sudo service NetworkManager restart

Note: This is specifically for the network icon in the system tray and is different from the network-manager service which controls the whole Linux network manager:

Tested on Ubuntu 19.10 with KDE Plasma 5.16.5

Source: https://bbs.archlinux.org/viewtopic.php?id=200935

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Copy with rsync over ssh

Posted on October 30, 2019 by Ahmed Tawfik

From remote server to local one:

rsync -avzhe ssh remote_user@REMOTE_IP:/remote_folder_or_file /local_destination_folder_or_file

From local server to remote one:

rsync -avzhe ssh local_folder_or_file remote_user@REMOTE_IP:/remote_destination_folder_or_file

That’s it, Enjoy!

Sources:

https://www.tecmint.com/rsync-local-remote-file-synchronization-commands/

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Build Synergy in Ubuntu 19.04

Posted on October 10, 2019 by Ahmed Tawfik

Synergy software, which shares your keyboard and mouse to multiple computers through the network, is no longer available in the Ubuntu 19.04 repos, so the only remaining option is to build it from source:

sudo apt install qtcreator qtbase5-dev cmake make g++ xorg-dev libssl-dev libx11-dev libsodium-dev libgl1-mesa-glx libegl1-mesa libcurl4-openssl-dev libavahi-compat-libdnssd-dev qtdeclarative5-dev libqt5svg5-dev libsystemd-dev git build-essential
git clone https://github.com/symless/synergy-core.git
cd synergy
mkdir build
cd build
cmake ..
make
sudo make install

That’s it, Enjoy!

Note: After starting Synergy, you don’t have to enter the serial to get basic functionality, just cancel and you are good to go.

Source: https://github.com/symless/synergy-core/wiki/Compiling

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Fix icon and text size for hidpi displays on login screen in KDE on Ubuntu 19.04

Posted on June 17, 2019 by Ahmed Tawfik

Just create/edit the file /etc/sddm.conf and add the following:

[X11]
 EnableHiDPI=true
 ServerArguments=-nolisten tcp -dpi 192

Reboot, and you’re good to go, Enjoy!

Sources: https://www.reddit.com/r/kde/comments/amybg5/login_screen_on_hidpi_4k_screen/

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