Tricks & skills in Ubuntu

To delete unused kernels, use the following command:
sudo aptitude purge ~ilinux-image-.*\(\!`uname -r`\)

To delete the RC packages, use the following command:
dpkg -l | grep ^rc | cut -d' ' -f3| sudo xargs dpkg -P

Use this command to remove the unused configuration files:
dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P

Make sudo regards http_proxy etc., add in file /etc/sudoers:
Defaults env_keep += "http_proxy"

1 comment:

  1. The command to delete unused kernels was really very useful.. I have been following a long tutorial once to remove the unused kernel..