Su notapolitica it. I am having problems with the su command.

Su notapolitica it. The results are same as su and su -. sudo bash where bash is command to run with sudo. I know my password and I am typing it correctly, but su indicates Authentication failure. Oct 22, 2011 · sudo su Asks your password, becomes root momentarily to run su as root. If you drop the "userid" it assumes you are trying to login as root - which you can't (unless you change the root password). Your working directory will be /root, and it will read root's . sudo -s launches a shell as root, but doesn't change your working directory. Jul 24, 2017 · The su executable has a special permission bit on it, called the "set-user-ID bit" or "setuid" which causes it to execute such that the effective user ID of the process is that of the owner of that executable file. Normally you would use the format su - <userid> to login as the user . In a default Ubuntu install the person who installed the OS is given "sudo" permission by default. It is recommended to always use the --login option (instead of its shortcut -) to avoid side effects caused by mixing environments. su - anotheruser will switch to user environment of the target user, with target user privileges What does sudo su - username mean? Feb 7, 2011 · su - logs you in completely as root, whereas su makes it so you are pretending to be root. Oct 24, 2016 · 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). So I checked on the internet and then went into recovery mode and su -: This will change your user identifier and inherit the environment variables as if you had logged in with that user. -, -l, --login Start the shell as a login shell I am having problems with the su command. sudo su - Asks your password, becomes root momentarily to run su - as root. . Aug 22, 2018 · 8 sudo su - will elevate any user (sudoer) with root privilege. 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. Using sudo Sudo is an alternative to giving people a root password in order to perform superuser duties. If su successfully authenticates, it then executes a new shell. 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 is equivalent to sudo -i and simulates a login into the root account. profile etc. So in this case you are running su using sudo and you don't have to know root's actual password. The prompt will change from $ to #, indicating you have root access. sudo bash & sudo sh: Anything after the sudo is a program to run - so in these While you can create a password for the root account allowing you to log in as root with su, there are some distinct benefits to using sudo. Oct 22, 2011 · sudo su Asks your password, becomes root momentarily to run su as root. 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). xd4u uc2i i8ehsdg y6mr ph4xen c5o5 b4ik0uqs gqe 5timo3b n9q