Debian / Ubuntu Linux HowTos and Guides

Tutorials, howtos, Q & A about GNU/Debian and Ubuntu Linux. Topic includes server security, installation, firewall, web-server, mail-server, proxy server and and much more. ( rss feed ).

I am a new Debian Linux v.7.x / Ubuntu Linux LTS user. How do I reinstall a package using apt-get command line?

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I can login as root user on Debian or Ubuntu/RHEL/CentOS Linux based system. I need to log everyone off to install new kernel and/or hardware. How do I do this on Linux? What is the best way to logout ALL USERS remotely over the ssh based session in Linux like operating systems?

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I am a new Debian Linux version 7 user. I found out that Pandora player is not working due to Adobe flash player. How do I install and use flash player on Debian 7 with Firefox browser?

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How do I install and use gcutil – a command-line tool that is used to manage Google Compute Engine resources under Debian or Ubuntu or CentOS/Fedora Linux desktop operating systems?

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I have installed Debian or Ubuntu Linux on Dell Inspiron / Latitude / Precision / Vostro laptop. How do I see the current CPU temperature? How do I control and see fan status on Dell laptop?

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How do I install wake on lan client under Ubuntu Linux desktop to wakeup Unix or Linux based servers?

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Recently Debian Linux version 7.0 (“Wheezy”) released. This version shipped with many new features – improvements to multimedia support, improved security through hardening flags and the OpenStack suite and the Xen Cloud Platform to name a few. How do I upgrades from Debian Linux version 6.x.x (squeeze) to the latest version 7.0.0 wheezy using command line options? How do I upgrade my Debian 6.x server to 7.x over the ssh session?

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