When VLC, Google Chrome, Firefox or any other app that can play media is launched, KDE draws media controls (play/pause, next, previous buttons + album art) on lock screen. I don’t like it.
100% works on Kubuntu 18.04.
Open up terminal and run the following:
kwriteconfig5 --file kscreenlockerrc --group Greeter --group LnF --group General --key showMediaControls --type bool false
This command will append the following lines to ~/.config/kscreenlockerrc
Add this to
~/.bashrc and be happy =):
# By saying PROXY I mean it is a host located in internal network. # You can access any other internal hosts from it via SSH. # Export some variables export PROXY_KEY_PATH="~/.ssh/proxy/id_rsa" # path to locally stored private key from PROXY-server export PROXY_USER="user" # user name to get access to PROXY via SSH export PROXY_HOST="internal.host.foobar.com" # FQDN or IP of a proxy export PROXY_AUTH="$PROXY_USER@$PROXY_HOST" # literally it is a string "email@example.com" # Connect to PROXY via SSH alias proxy="ssh $PROXY_AUTH" # Connect to PROXY via SSH and attach to screen (P.S. don't do it inside a locally launched screen :)) alias proxy_screen="ssh -t $PROXY_AUTH screen -x" # Forward some service's port which you can access only from PROXY to localhost:1234 # 1234 - local port with service # ServiceHost - IP-address of a host with service # ServicePort - Port of a service at ServiceHost alias tunnel_service='ssh -L 1234:ServiceHost:ServicePort $PROXY_AUTH' # Forward MySQL-connection which you can access only from some host inside enterprise network (no a PROXY-host) to localhost # MySQLHost - IP-address of MySQL-server # WebHost - IP-address of a host that can connect to MySQLHost # WebUser - User name to access from PROXY to WebHost via SSH alias tunnel_mysql='ssh -A -i $PROXY_KEY_PATH -L 3306:MySQLHost:3306 -o ProxyCommand="ssh $PROXY_AUTH nc WebHost 22" WebUser@WebHost' # Run some command at remote server and disconnect # TargetHost -IP-address of a host where you wanna execute your command # TargetUser - User name to access from PROXY to TargetHost via SSH # 'cd /srv/some/directory/; ls -al | wc -l)' - the command you are willing to run alias remote_directory_count="ssh -i $PROXY_KEY_PATH -t -o ProxyCommand='ssh $PROXY_AUTH nc TargetHost 22' TargetUser@TargetHost 'cd /srv/some/directory/; ls -al | wc -l)'"
ssh-keygen -f ~/.ssh/id_rsa -o -c -C "here goes your comment"
Command options explained:
-f: private key file
-o: convert the private key from PEM to the new OpenSSH format
-c: change the comment in the private and public key files
-C: comment text
In kde plasma 5.8+ the super/win key is also used to trigger the launcher, when pressed and released without combining it with another key. To disable the feature, put
To disable disk check on Windows 7 startup run cmd.exe as Administrator and execute the following command:
chkntfs /x c: d:
Put your drive letters instead of c: and d: to prevent disk check.
To fix this issue append to your ~/.config/fontconfig/fonts.conf file the following:
<match target="font" > <edit name="embeddedbitmap" mode="assign"> <bool>false</bool> </edit> </match>
After modifying font.conf logout and login back to your Ubuntu.
To update your kernel version run the following commands in your terminal:
sudo add-apt-repository ppa:kernel-ppa/ppa sudo apt-get update apt-cache showpkg linux-headers
You will see the list of available kernels. Choose the kernel version you want and run:
sudo apt-get install linux-headers-3.8.0-26 linux-headers-3.8.0-26-generic linux-image-3.8.0-26-generic --fix-missing
Everytime you establish ssh-connection or use git via ssh you will be asked for a password. I suggest to you a simple solution of that issue. Before connecting to remote machine run the following commands in your terminal:
ssh-agent bash ssh-add /home/$USER/.ssh/id_rsa
To resolve that issue add the following line to your hosts file.