Check debian version
Update the system
Debian operating system is pre-installed. To update and upgrade it
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# update the list of available packages and their versions, it does not install or upgrade any packages.
$ apt-get update
# install newer versions of the installed packages
$ apt-get upgrade
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or combine both
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apt-get update && apt-get upgrade
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Changing Locale
Uncomment tr_TR.UTF-8 UTF-8, and run below to activate locale
Changing Time Zone
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$ dpkg-reconfigure tzdata
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Cleaning up deinstalled packages
See the list of all the currently installed and deinstalled
See how many packages are in the ‘deinstalled’ state with this command:
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dpkg --get-selections | grep deinstall | wc -l
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To purge all of these packages at once:
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dpkg --get-selections | grep deinstall | sed 's/deinstall/\lpurge/' | dpkg --set-selections; dpkg -Pa
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Boot debian in text mode instead of graphical mode (GUI)
To disable the login manager from automatically running at boot up, run the following command as root
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update-rc.d -f gdm remove
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To start X manually, you would then have to login at the command prompt and enter the command
To reset your login manager so that it runs at boot up, do
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update-rc.d -f gdm defaults
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