linux sudo command not found
Method 1: Fixing sudo command not found errors on GNU/Linux
If (Type "whereis sudo" if you "get sudo: "as a reply from command)
{
Hold down Ctrl, Alt and F1 or F2 to switch to a virtual
terminal. Type root, push enter and then type the password for the
original root user. You’ll receive a # symbol for a command prompt.
then install sudo:
#apt-get install sudo
#yum install sudo
Now from the root prompt type visudo and push enter.
You’ll either receive a nano or vi editor screen.
All the way at the bottom of the file include a line that has your
user’s name followed by ALL=(ALL) ALL, keeping in mind that your user
name is more than likely in lower case.
}
for more details go to the source.