AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Run lunch as sudo user8/12/2023 You can add a line to the cron table (crontab) to run your script at a specific time on startup. Using cron − You can use the cron daemon to schedule your script to run at startup. Using systemd − On systems that use systemd, you can create a systemd service file for your script and configure it to run on startup. When the command completes, you’ll return to the local prompt, ready to keep working.Īnd that’s all there is to running commands that require sudo privileges on a remote machine, via SSH.There are several ways to run a script on startup in Linux, depending on your specific distribution and the type of script you are trying to run. The command will run as though it was executed on the local machine (only it’s running on the remote machine). You will first be asked for the user’s password for the SSH connection, followed by a second request for the user’s password for sudo privileges ( Figure B). Say, for instance, you want the user jack to upgrade a remote server at 192.168.1.201. So, to run a remote command, via ssh, that requires sudo privileges, the ssh command looks like: What does -t do? It forces pseudo-terminal allocation, so ssh has no idea it doesn’t have a local terminal to use. How do you get around that? Fortunately, there’s a little switch you can add to the command. Running a command that requires sudoīut what if you need to run a command that requires sudo privileges on a remote server? If you do that, you’ll see a tty error ( Figure A). Once you successfully enter the remote user’s password, you will get a listing of the /etc/ directory on the remote server.Įasy peasy. Where USER is a remote user name, and SERVER_IP is the IP address of the remote server. Let’s get a listing of files on a remote /etc directory. Now that you have the SSH daemon running on your remote servers, you can send commands to them. Once installed, you’ll want to enable the server with the commands: For instance, on the Ubuntu Server platform, the command to install the SSH daemon is: If you don’t have the SSH daemon installed, you can do this from the standard repositories. The only things you need for this is two more Linux machines, all of which include the openssh-server up and running (and accepting connections). SEE: Windows 10 security: A guide for business leaders (TechRepublic Premium) What you need Sure, you can take the time to log into the server, run the command, and log out, but why not just do it all in one fell swoop? Not only is this handy, it’s quite easy. The top 6 enterprise VPN solutions to use in 2023ĮY survey: Tech leaders to invest in AI, 5G, cybersecurity, big data, metaverseĮlectronic data retention policy (TechRepublic Premium) Google offers certificate in cybersecurity, no dorm room required One such trick is the ability to run commands on remote servers, without logging in. Secure Shell includes a lot of tricks, many of which can make your admin’s life exponentially easier. For more info, visit our Terms of Use page. This may influence how and where their products appear on our site, but vendors cannot pay to influence the content of our reviews. We may be compensated by vendors who appear on this page through methods such as affiliate links or sponsored partnerships. With SSH you can run commands on remote machines, even if the command requires sudo privileges. How to run a command that requires sudo via SSH
0 Comments
Read More
Leave a Reply. |