How to upgrade a single package if needed using apt.

This command will update a single package upon request. This would be very useful if you want to update only one critical package on a Debian system. dpkg -s <package> 2>/dev/null | grep -q Status.*installed && sudo apt-get install <package>dpkg -s <package> 2>/dev/null | grep -q Status.*installed && sudo apt-get…

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How to install a Debian *.deb file on Ubuntu and other useful Linux tips.

To install a Debian *.deb packages that you have downloaded, use this command. john@adeptus-mechanicus ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.debjohn@adeptus-mechanicus ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.deb This will install the Debian package. john@adeptus-mechanicus ~/Downloads $ sudo dpkg -i rxvt_2.6.4-14_i386.deb [sudo] password for john: Selecting previously unselected package rxvt. (Reading database…

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