Security of su root in bash script

Security of su root in bash script

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Security of su root in bash script
Tag : bash , By : tayles
Date : November 28 2020, 08:01 AM

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bash: fail if script is not being run by root

Tag : linux , By : kema
Date : March 29 2020, 07:55 AM
like below fixes the issue I have a bash script that installs some software. I want to fail as soon as possible if it is not being run by root. How can I do that?
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1

How to run from PHP a bash script under root user

Tag : php , By : Jonathan
Date : March 29 2020, 07:55 AM
Hope this helps How to run from PHP a bash script under root user (with all permissions) and not nobody user - php default user? , You can use sudo:
exec("sudo /your/script");
nobody ALL = NOPASSWD: /your/script
chown root:root /your/script
chmod 755 /your/script

Bash script - change to root then exit root

Tag : bash , By : ravibits
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further If I am in the middle running a bash script, is there any way to switch over to root user, process a command, and then exit root mode? For example, I'd like to include these commands in the middle of a bash script: , In order to perform the umount as root, use
sudo umount /home/user/myMount

run bash script as root from php page

Tag : bash , By : Brandon
Date : March 29 2020, 07:55 AM
With these it helps This question is similar to sudo in php exec() and they did not arrive at a conclusion.
In your case, since only one bash script needs to be executed in this fashion, considering using setuid instead:
$ su
[enter password]
chown root:root something.sh
chmod 4755 something.sh

Bash Script in Sudoers File, But Want Said Script to Ask for Root Password Under Certain Conditions

Tag : linux , By : Bart van Bragt
Date : March 29 2020, 07:55 AM
wish help you to fix your issue When you are root, you can switch to a regular user at any point with su.
if [ -z "$SUDO_USER" ]; then
    gksudo aptitude
    su -c 'gksudo aptitude' "$SUDO_USER"
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