Pro Terminal Commands: How and Why To Edit Sudoers on

visudo is a command that will use your default editor to edit the sudoers file. Editing this file without it can be a pain and is not recommended. You can change your preferred editor by issuing sudo update-alternatives --config editor – earthmeLon May 20 '13 at 23:38 sudoers is read-only. Yes, the file /etc/sudoers is intentionally set read-only, even for root! The explanation usually offered is that it was set up this way to ensure that admins only ever edit it via the command visudo. However, this theory doesn't quite hold water. The visudo command is a safe and secure way of editing the /etc/sudoers file on UNIX and Linux systems. /etc/sudoers is instumental for gaining privileged access via sudo command. Since the sudoers file determines which users can run administrative tasks, those requiring superuser privileges, it is a good idea to take some precautions when There is another way to do it without touching the sudoers file. Edit /etc/pam.d/sudo and add the line below: auth sufficient pam_wheel.so trust use_uid; Add the user to the wheel group. Props to "topdog" and "Daniel Serodio" for the original answer with regard to "su" rather than "sudo". Never edit the sudoers file in a normal text editor. This can lead to simultaneous editing and corrupted files, potentially denying any admin access. Sudoers must be edited by running visudo in Terminal, like so: -f sudoers Specify and alternate sudoers file location. With this option visudo will edit (or check) the sudoers file of your choice, instead of the default, /etc/sudoers. The lock file used is the specified sudoers file with ".tmp" appended to it

2020-7-10 · Use visudo for this with a custom editor. This solves all the race conditions and "hack" problems with Brian's solution. #!/bin/sh if [ -z "$1" ]; then echo "Starting up visudo with this script as first parameter" export EDITOR=$0 && sudo -E visudo else echo "Changing sudoers" echo "# Dummy change to sudoers" >> $1 fi

How to Control sudo Access on Linux Editing the sudoers File. To add users to the list of people who can use sudo, you need to edit the sudoers file. It is vitally important that you only ever do so using the visudo command. The visudo command prevents multiple people from trying to edit the sudoers file at once.

SUDOERS. The sudoers file is a file Linux and Unix administrators use to allocate system rights to system users. This allows the administrator to control who does what. Remember, Linux is built with security in mind. When you want to run a command that requires root rights, Linux checks your username against the sudoers file.

SUDOERS. The sudoers file is a file Linux and Unix administrators use to allocate system rights to system users. This allows the administrator to control who does what. Remember, Linux is built with security in mind. When you want to run a command that requires root rights, Linux checks your username against the sudoers file. root用户下visudo执行失败_duanbiren123的博客 … 2018-12-2 · sudo: unable to stat /etc/sudoers: Permission deniedsudo: no valid sudoers sources found, quittingsudo: unable to initialize policy plugin执行命令chmod g+x / weixin_41619057的博客 10-08 1236 如何从脚本编辑/ etc / sudoers? Dovov编程网 使用visudo这个自定义编辑器。 这解决了Brian解决scheme中的所有竞争条件和“黑客”问题。 #!/bin/sh if [ -z "$1" ]; then echo "Starting up visudo with this script as first parameter" export EDITOR=$0 && sudo -E visudo else echo "Changing sudoers" echo "# Dummy