How can I uninstall Ruby on ubuntu

Question

How can I uninstall Ruby 1 9 2dev  2010-07-02   i486-linux  on ubuntu   Need to reinstall - please help

User · Answer

Run the following command on the terminal   sudo apt-get autoremove ruby

User · Answer

This command should do the trick  provided that you installed it using a dpkg-based packet manager    aptitude purge ruby

User · Answer

At first find out where ruby is  then  rm -rf  usr local lib ruby rm -rf  usr lib ruby rm -f  usr local bin ruby rm -f  usr bin ruby rm -f  usr local bin irb rm -f  usr bin irb rm -f  usr local bin gem rm -f  usr bin gem

User · Answer

On Lubuntu  I just tried apt-get purge ruby  and as well as removing ruby  it looks like this command tried to remove various things to do with GRUB  which is a bit worrying for next time I want to reboot my computer  I can t yet say if any damage has really been done

User · Answer

Here is what sudo apt-get purge ruby   removed relating to GRUB for me   grub-pc  grub-gfxpayload-lists grub2-common grub-pc-bin  grub-common

User · Answer

Run the following command from your terminal   sudo apt-get purge ruby  Usually works well for me

User · Answer

I have tried many include sudo apt-get purge ruby   sudo apt-get remove ruby and sudo aptitude purpe ruby  both with and without     at the end  But none of them worked  it s may be I ve installed more than one version ruby   Finally  when I triedsudo apt-get purge ruby1 9 with the version   then it works

User · Answer

Uninstall the make install software when make uninstall invalid    make install will create file   installed list  Choose to clean up the files described in  installed list  need to be careful if you have multiple versions  Case  ruby2 4 switch to ruby2 3  thinking directly delete all ruby software  and then re-make install 2 3  see  Ruby   Installation Guide make install - gt   installed list see  installed list file  delete all install files     zwnj   rm -rf  usr local include ruby-  rm -rf  usr local lib ruby rm  usr local bin erb  usr local bin gem  usr local bin irb  usr local bin rdoc  usr local bin ri  usr local bin ruby rm  usr local share man man1 erb 1  usr local share man man1 irb 1  usr local share man man1 ri 1  usr local share man man1 ruby 1 rm  usr local lib libruby-static a rm -rf  usr local lib pkgconfig ruby-  which ruby pkg-config --list-all grep ruby

User · Answer

Why you are removing old version of the ruby      rvm install 2 4 2    version of ruby u need to insatll   rvm use 2 4 2 --default    set ruby version you want use by default   Using rvm you can install multiple ruby version in the system  Please follow below steps install ruby using rvm   sudo apt-get install libgdbm-dev libncurses5-dev automake libtool bison libffi-dev gpg --keyserver hkp   keys gnupg net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3  curl -sSL https   get rvm io   bash -s stable  source    rvm scripts rvm rvm install 2 4 2  rvm use 2 4 2 --default  ruby -v   The installation step will change for different Ubuntu version   For more info   https   gorails com setup ubuntu 14 04

User · Answer

You can use sudo apt remove ruby

User · Answer

If you used rbenv to install it  you can use   rbenv versions    to see which versions you have installed    Then  use the uninstall command    rbenv uninstall  -f --force   lt version gt    for example   rbenv uninstall 2 4 0    Uninstall Ruby 2 4 0   If you installed Rails  it will be removed  too

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