Mac OS X: Force Quit An Unresponsive Full Screen Application Shortcut Key

Sometime my VLC application gets crashed on a Mac OS X system. The screen goes blank and VLC stays hang running on my desktop or MacBook. How can I solve this issue and quit an unresponsive VLC application on a Mac OS X without a hard reboot? OS X has a feature called Force Quit to quit both responsive and an unresponsive...

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Unix: Find Directory Name From Path

I am a new Unix shell programer. How can I extract the directory name from a full path (say /nas01/data/backups/file.tar.gz)? How do I get directory name from its path on a Linux or Unix-like system?...

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Fix: /bin/dbus-launch terminated abnormally without any error message and solution

I am a new Linux server user. I need to tunnel X over ssh. I type the following command on a CentOS/RHEL based remote host to get display on a local desktop: ssh -X user@server1.cyberciti.bizxeyes &firefox & But, I am getting an error that read as follows: **error**: Failed to contact configuration server;...

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HowTo: Setup SSH Keys on a Linux / Unix System

I recently read that SSH keys provide a secure way of logging into a Linux and Unix-based server. How do I set up SSH keys on a Linux or Unix based systems? In SSH for Linux/Unix, how do I set up public key authentication? I am assuming that you are using Linux or Unix-like server and client with the following software: OpenSSH...

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X11 forwarding request failed on channel 0 Error and Solution

am a new Linux server user. I need to tunnel X over ssh. I type the following command from OS X Unix terminal to login into far_away_machine (a centos server): ssh -X -o options -A -p 22 user@centos-far-away-server But, I am getting the following error on screen: X11 forwarding request failed on channel 0Last login:...

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HowTo: Uninstall MySQL Server in Ubuntu Linux

I 'm a new Ubuntu Linux user and my cloud hosting company installed MySQL server by default. I need to remove it and delete it from my server as I have no use of MySQL server. How can I uninstall MySQL on a Ubuntu based systems?Typically following Mysql packages are installed on the Debian or Ubuntu Linux systems...

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