The su command allows you to swtich user and run your commands as some other user under their user ID. When you run su without any arguments, itTherefore if you have multiple users that require root privileges on a system, providing sudo access is considered to be more secure as we can audit sudo can run multiple commands via a shell, for example: sudo -s -- whoami whoami root root.This solution will: sudo -su nobody umask 0000 mkdir -p "targetdir". Both the umask command and the mkdir-command runs in with the nobody user. Redirecting the output of commands run with sudo requires a different approach. For instance consider sudo ls > /root/somefile will not work since it is the shell that tries to write to that file. If I want to allow multiple command, I can create a command alias too sudo su donjajo. Run command as a user or group This section provide description about sudo command, su command and chmod command, with the help of these commands you can give/take permission of files(s)/directory(s).To run successfully use sudo before apt-get update command. If a user not listed in sudoers tries to run a command using sudo, it is considered an unsuccessful attempt to breach system security and mail is sent to the proper authorities, as defined at configure time or in the sudoers file. Learn how to use the alias command to create shortcuts of multiple commands. Using cat to view and create files.Learn how to switch users and run administrative tasks on the Linux command line with the sudo and su. Bash supports a -c flag that lets you specify the command to run as a command-line argument — basically an inline Bash script. That means you can easily combine multiple commands into a single call to bash, which is then easily sudo-ed Im trying to create a script that has multiple wget commands that include site credentials to download a file. If I run the wget command individually in a commandI tend to find myself opening terminal sessions to run Sudo commands and was wanting to make something more useful as an application. I tried following, but it didnt help how to execute multiple commands after sudo command. Example: After I login using my LDAP user to Linux Host, I want to run following commands in one single command. sudo su - root -c "su - oracle ps -ef |grep pmon crsctl stat res -t. When running a script via sudo or su I want to get the original user. This should happen regardless of multiple sudo or su runs inside of each other and specifically sudo su Now, it says joe even though tom is the one who ran the command.
I am using SUSE Linux Enterprise Server 10 SP2 (i586) and I had earlier ammended my sudoers file to allow users to become root user with " sudo su - " command. Now I am trying to add multiple users to the sudoers file to run I log in to multiple Linux hosts on everyday basis using my LDAP username and then sudo su to ROOT and ORACLE user and check the database status. As I do this everyday basis on many Linux hosts, I am curious to see whether I can run all commands in single command line? SUDO: What is is good for? So what does sudo actually do? If you prefix sudo with any linux command, it will run that command with elevated privileges. Elevated privileges are required to perform certain administrative tasks. The sudo command used to execute a command as another user typically as a root user. This quick tutorial shows you how to use sudo command to run multiple commands via a Linux or Unix shell. Complete Story. This should work: Ssh -t -p 2222 nameserver "/usr/bin/sudo bash -c chmod u-r /xy chmod x /xy". What is the command that youre trying to run? Click to expandIs there a better way to do sudo someone who doesnt have the perms? The voucher plugin I use makes having multiple commands pretty difficult. Configuring sudo command Configuring sudo command and the difference between " su" "sudo" in Linux distributions is discussed in this article.
Delete the created user by running the following command. user1linuxhelp: sudo deluser --remove-home markOpen multiple files in vim editor. Note that unlike most commands run by sudo, the editor is run with the invoking users environment unmodified. If, for some reasonIf command is specified but not allowed, sudo will exit with a status value of 1. If the -l option is specified with an l argument (i.e. -ll), or if -l is specified multiple times, a Slackware :: Sudo Does Not Allow Access To Root Commands. Server :: Create A Webhost On An Running Fedora Server Which Runs Multiple Webpages A Coldfusion Server?General :: Sudo Su Runs Without Password Prompt? Server :: Postgresql Runs In Multiple Pid? How to run a command without sudo? I want to add a line in the crontab (on my local machine) which will run every five minutes. My problem is the command I am going to use requires sudo : sudo indexer --config /usr/local/etc/sphinx.conf --all --rotate Is there a way I can run the comm. Shell running multiple commands 147. Closed. andrewm-mediasuite opened this Issue Jun 15, 2014 6 comments.sudo su requires two exit commands to close the session. if sudosu . SSH to server, Sudo su then run commands in bash.Im trying to run multiple commands through ssh but seems that Session. Run allows only one command per session ( unless Im wrong). Use commas to separate multiple email addresses.Trick 1: Nearly effortless sudo usage. The default file on most Linux distributions makes it very simple to give select users the ability to run commands as root. Today Were going to discuss sudo and su, the very important and mostly used commands in Linux.So the next time I used the same command along with sudo and this time sudo command asked user password to have root privileges to update system. Except the commands mkdir and chmod, all commands will ask you the password if you use run them with sudo. Let us run another command with sudo. Sometimes youll want to run many commands as a different user. Most common scenario for this presents in default sudo installation: youre encouraged to never become root, but instead use sudo to run commands as root. The sudoers file is designed so that one sudoers file can be copied to multiple hosts with different rules on each host. The final ALL in this line indicates that any command can be run. The oracle user can now use the sudo commandto execute any command as root by prefixing the command with sudo. The Unix commands sudo and su allow access to other commands as a different user.In either case, youll be prompted for the password associated with the account for which youre trying to run the command. Two ways I can think of to correct that: a) add the commands which follow sudo into /etc/sudoers for the user who will be running the script. example: george can run these commands without a password george ALL NOPASSWD How to run as Root in Ubuntu - Duration: 1:10. Windows and Linux Tutorials from Howtech 60,580 views.Tips and Tricks How To use the Sudo command on Linux - Duration: 2:26. When sudo asks for a password, it needs your password, this means that a root password is not needed. To run a command which requires root privileges in a terminal, simply prepend sudo in front of it. To get an interactive root shell, use sudo -i. Thus the command sudo su - USER2 is executed first then, when it finishes, whoami is executed, and finally pwd is executed.If you want to execute commands as USER2, you need to pass them as arguments to sudo. Running su isnt useful here, sudo already knows how to do this. I need to run apt-get update and apt-get -y upgrade without typing sudo command two times from a command line on Ubuntu Linux AWS cloud server.This quick tutorial shows you how to use sudo command to run multiple commands via a Linux or Unix shell. If you use sudo to run commands as root, youve probably run into permission denied problems when only part of a pipeline or part of a command is running with root permissions. This fails with permission denied because the file is writable only by root I tried following, but it didnt help how to execute multiple commands after sudo command. Example: After I login using my LDAP user to Linux Host, I want to run following commands in one single command. sudo su - root -c "su - oracle ps -ef |grep pmon crsctl stat res -t. sudo -su db2inst1 db2 connect to ttt db2 UPDATE CONTACT SET EMAILADDRESS [email protected]. the first command finishes correctly but the second oneHow do you find the original user through multiple sudo and su commands? Sourcing a shell script, while running with sudo. sudo can run multiple commands via a shell, for examplesudo -su nobody umask 0000 mkdir -p "targetdir". Both the umask command and the mkdir-command runs in with the nobody user. Sudo can run multiple commands via a shell, for example: sudo -s -- whoami whoami root root. Your command would be something like: Sudo -u db2inst1 -s -- "db2 connect to ttt db2 UPDATE CONTACT SET EMAILADDRESS mytestaccountgmail.com". sudo -su db2inst1 db2 connect to ttt db2 UPDATE CONTACT SET EMAILADDRESS mytestaccountgmail.com.sudo can run multiple commands via a shell, for example sudo and tee are the shell commands. Percentage () sign indicates all lines from current line. Execute multiple commands using sudo.Commands to be executed are followed by c option. Run sudo command without password. Linked. 0. automate sudo su - user command without using expect or editing sudoers file. 0. Linux: How can I run multiple wine versions in a multilib enviroment?sudo to run command as different user.
0. Automated sudo and screen command. 0. For example, consider the case of computer being used by multiple users who also require root access.Although commands run through sudo are executed as the target user (which is root by default), they are tagged with the sudoers user-name. Running su isnt useful here, sudo already knows how to do this. You dont need the -t option to SSH unless you want to interact with the remote commands (this includes the case when you need to type a password for sudo). Bash supports a -c flag that lets you specify the command to run as a command-line argument — basically an inline Bash script. That means you can easily combine multiple commands into a single call to bash, which is then easily sudo-ed I need to run apt-get update and apt-get -y upgrade without typing sudo command two times from a command line on Ubuntu Linux AWS cloud server.This quick tutorial shows you how to use sudo command to run multiple commands via a Linux or Unix shell. Unless user1 has a login shell other than /bin/bash and you need to use bash, you can shorten the command to. ssh 10.x.xx.xxx sudo -u user1 -s "tarI have installed Jenkins and artifactory in same server, but unable to run both together. If I stop jenkins and start artifactory, artifactory is working fine. Theres several approaches to letting multiple commands run with sudo. The first one suits your use-case best. Others are added for the sake of exploring alternatives they may not suit your particular need, but may come in handy to you in the future or other users. Sudo command stands for superuser do, It requires users to authenticate their password several times and asks them for confirmation to execute the commands before checking the file.Run any Sudo command without any password.