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- What are the differences between su, sudo -s, sudo -i, sudo su?
The major difference between sudo -i and sudo -s is: sudo -i gives you the root environment, i e your ~ bashrc is ignored sudo -s gives you the user's environment, so your ~ bashrc is respected Here is an example, you can see that I have an application lsl in my ~ bin directory which is accessible via sudo -s but not accessible with sudo -i
- sudo - Sudoers file, enable NOPASSWD for user, all commands - Ask Ubuntu
Preface This is a fairly complex question related to the sudoers file and the sudo command in general NOTE: I have made these changes on a dedicated machine running Ubuntu Desktop 13 04, that I use purely for learning purposes
- unix - Command: sudo su - - Super User
'sudo su -' has a child of 'su -', and 'su -' has a child of '-su' As mentioned above, root user can do 'su -' without entering password, so doing 'su -' inside of a root shell, you will have two different root shell processes ending the inner one will let you return back to the outer one
- sudo - How do I login as root? - Ask Ubuntu
sudo apt install ntp sudo nano etc ntp conf sudo systemctl restart ntp If the user has authorization, sudo asks for the user's password before executing the command indicated (this validation is cached some time so we haven't to insert the password at every sudo command)
- How do I add a user to the sudo group? - Ask Ubuntu
Use usermod Add the sudo permission with the following command: usermod -aG sudo <your username> Please note that you'll have to use the root account to do this or use another account that has sudo permissions
- linux - What does sudo -s actually do? - Super User
sudo allows a permitted user to execute a command as the superuser or another user, as specified in the sudoers file -s Shell, runs the shell specified by the SHELL environment variable if it is set or the shell as specified in passwd(5) More seriously, the sudo -s run a shell environment variable
- Is there any sudo command for Windows? - Super User
It will permanently enable sudo command in PowerShell Usage: sudo <process-name> [param1 [param2 [param3]]] Examples: sudo explorer sudo notepad sudo powershell sudo cmd sudo taskmgr sudo tasklist sudo taskkill IM Skype exe PID 8496 Long method for learning: Read this article Read the comments
- sudo - How to come out of root user? - Ask Ubuntu
Now I have come out or log out or disable root access For that I tried sudo passwd -dl root Then it shows the message: passwd: password expiry information changed But I still have root access, and I am still having # sign instead of $ root@hostname:~# still appears instead of xyz@hostname:~$
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