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. If you use sudo su, then your PAM configuration for su matters in addition to your sudoers config; if only using sudo, then you're depending only on sudo (and all the configuration included therein by reference -- its PAM modules, its configuration, etc), whereas using su in addition means you're depending on two tools with independent behavior This post outlines steps to tighten system security by preventing users with sudo access from gaining superuser privilege by the command: sudo su. The sudo command allows a system administrator to enable a user, or a group of users, to run specific command-line tools with different privileges (such as superuser "root" privilege) knowing only the original user password. Auditing/logging: when a sudo command is executed, the original username and the command are logged. For the reasons above, switching to root using sudo -i (or sudo su) is usually deprecated because it cancels the above features. Users and sudo. Debian's default configuration allows users in the sudo group to run any command via sudo.
Nov 20, 2019 · sudo and Root Permissions. We’ve all heard (the oversimplification) that everything in Linux is a file. In truth, virtually everything in the operating system from processes, files, directories, sockets, and pipes talk to the kernel through a file descriptor.
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
Sep 07, 2019 · The sudo command has many options that control its behavior but usually sudo is used in its most basic form, without any option. To use sudo, simply prefix the command with sudo: sudo command. Where command is the command for which you want to use sudo. Sudo will read the /etc/sudoers file and check whether the invoking user is granted with
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. A true su and sudo for Windows that can pass all of that state information and start the child either elevated or as another user (or both) is included with Hamilton C shell. Graphical user interfaces exist for sudo – notably gksudo – but are deprecated in Debian and no longer included in Ubuntu. Nov 10, 2019 · The sudo command runs any command as another user account and is commonly used to elevate permissions so that the command is run with elevated security privileges (which in Linux terms is known as the root user). Sudo works for a brief period of time. To run as another user for a prolonged period of time then use the su command. Mar 06, 2020 · Available Options of Sudo Su Command: Options: -m, -p, --preserve-environment do not reset environment variables -w, --whitelist-environment don't reset specified variables -g, --group