What are the differences between su, sudo -s, sudo -i, sudo su? sudo su Asks your password, becomes root momentarily to run su as root sudo su - Asks your password, becomes root momentarily to run su - as root So in this case you are running su using sudo and you don't have to know root's actual password The results are same as su and su -
What is the difference between su - and su root? [duplicate] 8 su - switches to the superuser and sets up the environment so that it looks like they logged in directly su root switches to the user named root and doesn't simulate directly logging in If the superuser is named root, then su and su root are equivalent (and don't simulate directly logging in), as are su - and su - root (which do)
su - user Vs sudo su - user - Unix Linux Stack Exchange 8 sudo su - will elevate any user (sudoer) with root privilege su - anotheruser will switch to user environment of the target user, with target user privileges What does sudo su - username mean?
Why do we use su - and not just su? - Unix Linux Stack Exchange su - logs you in completely as root, whereas su makes it so you are pretending to be root The most obvious example of this is that ~ is root's home directory if you use su -, but your own home directory if you use su
su vs sudo -s vs sudo -i vs sudo bash - Unix Linux Stack Exchange su is equivalent to sudo -i and simulates a login into the root account Your working directory will be root, and it will read root's profile etc The prompt will change from $ to #, indicating you have root access sudo -s launches a shell as root, but doesn't change your working directory sudo bash where bash is command to run with sudo
Whats the difference between `su -` and `su --login`? - linux From su 's man page: For backward compatibility, su defaults to not change the current directory and to only set the environment variables HOME and SHELL (plus USER and LOGNAME if the target user is not root) It is recommended to always use the --login option (instead of its shortcut -) to avoid side effects caused by mixing environments -, -l, --login Start the shell as a login shell
Is there a single line command to do `su`? - Ask Ubuntu Here's why: If you write a password in a command like su <username> -p <password>, it would be stored in plain text in your bash history This is certainly a huge security issue If you need to run commands with su (or sudo) in an automated way, write a shellscript containig the commands without su or sudo and run su <username> script sh
What is the difference between su - , sudo bash and sudo sh? su -: This will change your user identifier and inherit the environment variables as if you had logged in with that user Normally you would use the format su - <userid> to login as the user If you drop the "userid" it assumes you are trying to login as root - which you can't (unless you change the root password) sudo bash sudo sh: Anything after the sudo is a program to run - so in these