Skip to content

Instantly share code, notes, and snippets.

@rkaneko

rkaneko/when_u_cannot_use_sudo_because_u_use_usermod-G_on_Ubuntu.md

Last active August 29, 2015 14:02
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save rkaneko/7c1061cd5d2be5142ac9 to your computer and use it in GitHub Desktop.
Save rkaneko/7c1061cd5d2be5142ac9 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
when_u_cannot_use_sudo_because_u_use_usermod-G_on_Ubuntu.md

When you cannot use 'sudo' command because you use 'usermod- G' instead of 'gpasswd -a' on Ubuntu...

Ubuntu's version

$ lsb_release -a
...
Description: Ubuntu 14.04 LTS
...

first of all ...

On Ubuntu, when you want to add user to some group, you should do under .

$ sudo gpasswd -a rkaneko sudo

If you used 'usermod -G sudo rkaneko, you should do like under procedure .

Procedure

# mount -o remount,rw /

# u should change under command according to ur situation.
# ex)
# gpasswd -a rkaneko sudo
# gpasswd -a rkaneko adm
# gpasswd -a rkaneko dialout
# gpasswd -a rkaneko cdrom
# gpasswd -a rkaneko plugdev
# gpasswd -a rkaneko lpadmin

# or

# usermod -G adm,dialout,cdrom,plugdev,lpadmin,sudo rkaneko
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment