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: sudo visudo. Note that you need to use sudo to run visudo. This will open the sudoers file in the default text editor in Terminal (by

2017-6-12 · sudo chmod a+w /etc/sudoers 然后每次用sudo命令都会冒出 sudo: /etc/sudoers is mode0662, should be0440 google之发现为了保护系统安全，sudoers的权限一旦修改后任何sudo命令都会被拒绝。解决方案是进入recovery mode，将sudoers的权限修改回来。 Take Control of your Linux | sudoers file: How to with 2020-7-4 · The sudoers file is located at /etc/sudoers. And you should not edit it directly, you need to use the visudo command. Once you enter visudo command, you will see something like this: # /etc/sudoers # # This file MUST be edited with the 'visudo' command as root. # # See the man page for details on how to write a sudoers file. linux - Regex pattern to edit /etc/sudoers file - Stack 2019-11-25 · You shouldn't edit the /etc/sudoers file with any sort of script. There's a reason for the visudo command. Edits to the sudoers file should be rare and well-controlled.

2020-5-29 · I do not recommend to edit existing global files with ansible. Instead create your custom template under /etc/sudoers.d/ (like you've mentioned you saw). This is the right way to do it, because: the system will have all defaults as is. your template will be far shorter. if you do mistakes, you would be sure where to look - in your template. Thirdly

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 Sudo (简体中文) - ArchWiki

Simply edit /etc/sudoers and change the Defaults line to read: Defaults env_reset,pwfeedback. Troubleshooting. If your changes don't seem to have had any effect, check that they are not trying to use aliases that are not defined yet and that no other user specifications later in the file are overriding what you are trying to accomplish.

How to Add a User to Sudoers on Ubuntu - LinOxide