How to determine whether the current user is root in linux
In this issue, the editor will bring you about how to judge whether the current user is root in linux. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.
In linux, how to determine whether the current user is root?
Determine whether the current user is a root
The code is as follows:
#-root user check-start
If [`id-u`-ne 0]; then
Echo "Please re-run ${this_file} as root."
Exit 1
Fi
#-root user check-end
If [x "$USER" = x ""]; then
If id | grep "^ uid=0 (root)" > / dev/null; then
:
Else
Echo "Please rerun `basename $0` as root."
Exit 1
Fi
Else
If [! X "$USER" = x "root"]; then
Echo "Please rerun `basename $0` as root."
Exit 1
Fi
Fi
# = check current user start =
If [! $USER = root]; then
Echo "Please rerun this script as root."
Exit 1
Fi
# = check current user end =
#! / bin/sh
If id | grep "^ uid=0 (root)" > / dev/null; then
Echo is root
Else
Echo not root
Fi
Check_user () {
If [$UID-ne 0]; then
Echo "Current user is not ROOT."
Echo "Please rerun the installer as Root user."
Exit 11
Fi
}
The above is how to determine whether the current user is root in the linux shared by the editor. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.
