Ubuntu – How to safely delete a program in Ubuntu

14.04installed-programssoftware-centersoftware-uninstalluninstall

I just installed 'Sublime Text 3' and for some reason I can't install the 'package manager'. Anyway, I want to try uninstall it but I can't find it in my 'ubuntu software center'.

On this page it says to type this into the command line: 

sudo rm -r /opt/Sublime\ Text\ 2
sudo rm /usr/bin/sublime
sudo rm /usr/share/applications/sublime.desktop
sudo sed -i 's/sublime\.desktop/gedit.desktop/g' /usr/share/applications/defaults.list

On this page it says to install synaptic and from there install and remove packages. Or to to delete it with:

sudo apt-get remove --purge <package-name>

On this page it says to use:

sudo apt-get remove sublime-text-installer

if I installed it with (which I didn't but I want to understand this in general): 

sudo add-apt-repository ppa:webupd8team/sublime-text-3
sudo apt-get update
sudo apt-get install sublime-text-installer

It also says that if I installed it through 'ubuntu software center' or through running:

sudo dpkg -i sublime-text_build-3047_amd64.deb

Then I should remove it by running:

sudo dpkg -r sublime-text

Can I always run 'sudo dpkg -r programX' from anywhere in my terminal to remove a program I installed with 'ubuntu sofware center' or with 'sudo dpkg programX.deb'?

Which method should I use to make sure a program is completely deleted? The first instructions make me a bit scared that it is installed all over the place. Why doesn't all installed software come up in 'ubuntu software center'? Is there not one place where I can delete a program like in windows' add/remove programs?

What do I need to know about installing and uninstalling programs in ubuntu (14.04)?

Best Answer

Assuming you followed the instructions on the github, I would suggest that you use ppa-purge to remove the 'deadsnakes' ppa

sudo apt-get install ppa-purge

sudo ppa-purge ppa:fkrull/deadsnakes

Update your path to remove the path extensions added as instructed at the github, and most of lime should be inactive.

As for removing it entirely, the manner in which it was installed may require looking into the makefiles to determine what directories need to be deleted.

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