In an earlier article, we have explained to you the difference between sudo and su commands in Linux. These are two important commands used to implement security in Linux, in regards to user management policy and user permissions.

Feb 07, 2016 · In CentOS and Debian, a user belonging to the wheel group can execute su and directly ascend to root. Meanwhile, a sudo user would have use the sudo su first. Essentially, there is no real difference except for the syntax used to become root, and users belonging to both groups can use the sudo command. Debian usermod -aG sudo mynewusername CentOS Hi All: I recently installed GC 10.2.0.4 in linux environment. All our db servers are linux. Acces to the oracle user on these database servers is restricted in that DBAs have to login as themselves and sudo into oracle using their own password 'sudo su - oracle' there is no way we can login/ssh into these servers as 'oracle'. as we know most of the functionality, including *cloning a database sudo -u someuser -i Old-school: sudo su someuser. Another approach uses the su command in combination with the sudo. The su command means “switch user”. sudo su someuser Or, to include running the user's startup scripts, add the hyphen. sudo su - someuser root user. The root user in Unix-related operating systems have absolute power to do sudo su - username we can setup our /etc/sudoers file then use something like: sudo -i -u username If you have to use su, then always use it like su - to make sure everything is sourced as it should be and nothing has been compromised with. Limiting their use of sudo to these applications only will help the system from unwarranted misuse of the sudo rights by the hands of the developers. Method 2: Check if user is part of the sudo group Another way to find out if a user has sudo access is by checking if the said user is member of the sudo group. Sep 17, 2019 · The sudo command allows you to run programs as another user, by default the root user.. If the user is granted with sudo assess the su command will be invoked as root. Running sudo su - and using the user password is the same as running su - using the root password.

In an earlier article, we have explained to you the difference between sudo and su commands in Linux. These are two important commands used to implement security in Linux, in regards to user management policy and user permissions.

Sudo (su "do") allows a system administrator to delegate authority to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while providing an audit trail of the commands and their arguments. Adding users to sudo. In order for a non-root user to make use of sudo, they either have to be added to the sudoers file using visudo, or added to the sudo group. Because this is Debian, everyone With a default /etc/sudoers configuration and membership in the sudo (or admin) group, you can assume root control using the command sudo su -. Extra care should always be taken when using the

Sep 28, 2016 · The Root User. Both su and sudo are used to run commands with root permissions. The root user is basically equivalent to the administrator user on Windows – the root user has maximum permissions and can do anything to the system.

sudo -u someuser -i Old-school: sudo su someuser. Another approach uses the su command in combination with the sudo. The su command means “switch user”. sudo su someuser Or, to include running the user's startup scripts, add the hyphen. sudo su - someuser root user. The root user in Unix-related operating systems have absolute power to do sudo su - username we can setup our /etc/sudoers file then use something like: sudo -i -u username If you have to use su, then always use it like su - to make sure everything is sourced as it should be and nothing has been compromised with. Limiting their use of sudo to these applications only will help the system from unwarranted misuse of the sudo rights by the hands of the developers. Method 2: Check if user is part of the sudo group Another way to find out if a user has sudo access is by checking if the said user is member of the sudo group.