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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 - How can I add a user as a new sudoer using the command line . . .
sudo adduser <username> sudo The change will take effect the next time the user logs in This works because etc sudoers is pre-configured to grant permissions to all members of this group (You should not have to make any changes to this): # Allow members of group sudo to execute any command %sudo ALL=(ALL:ALL) ALL
- 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)
- 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 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:~$
- How to install Chrome browser properly via command line?
sudo apt-get install -f This is the same as jrg's reply, but you change the i386 deb to amd64 deb EDIT: The past couple of times I have not had to do the install -f
- How to install libncurses. so. 5 for ubuntu 24. 04
The Ubuntu 24 04 image that I'm using has ii libncurses-dev:amd64 6 4+20240113-1ubuntu2 amd64 developer's libraries for ncurses ii libncurses6:amd64 6 4+20240113-1ubuntu2 amd64 shared libraries for terminal handling ii libncursesw6:amd64 6 4+20240113-1ubuntu2 amd64 shared libraries for terminal handling (wide character support) ii mtr-tiny 0 95-1 1build2 amd64 Full screen ncurses traceroute
- Edit Sudoers file to allow sudo rights to a AD domain group
The reason I did it this way was to separate being able to sudo from being a domain admin, while also differentiating from the local sudo group Depending on whether You have default domain prefixed to users and groups, the line that will work is either: %MYDOMAIN\\cansudo ALL=(ALL:ALL) ALL or %cansudo ALL=(ALL:ALL) ALL
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