Originally posted by jolly
Could you please tell me in detail about reboot because I have never used linux and DOS prompt for server administration. I want to learn all these commands.
Is there any site from where I can download all these tutorials.
Oh, I thought you wanted to know how to connect and reboot a server while in the DOS Operating system. In Unix it's called a shell prompt, prompt or command line, usually. Run telnet (if you don't know how, go to Start->Run and type in "telnet yourserveraddresshere" and it'll bring up a terminal window and connect to that server address. It'll prompt you for a username and password. Type in your account's username and password, pressing Enter each time you want to send that specific piece of information to the server. You'll log in if you provide the correct username and password when prompted for each of them.
Once you're logged in, you'll see a [stuffhere$] or something similar. Type in "su" and you'll be prompted for the root password. Type it in and press Enter. You should see the $ change to a # on the prompt. To make sure you're root, type in "whoami" (without the double quotes, of course) and it should say you're "root". Also, you can type in "id" and see if it shows you are user/group "0" (zero). once you are root, type in "/sbin/shutdown -r now" and it'll send a reboot signal to the server nd your connection will be lost, of course, unless you log out quickly enough (which you don't need to do) by typing "exit" to exit out of root and 'exit' again to log off your user name.
I don't think you ought to be rebooting a server though, if you don't know how to do these basic tasks, or you might harm something. You need to be careful with certain commands, or you can wipe out your entire drive or leave it in an unusable state. For help, buy some books on Linux (O'Reilly is always a great choice) and other Unix commands or systems. Go visit "http://www.linux.org" redhat.org, kernel.org, and other obvious sites. Maybe even linuxtutorial.com? Maybe that exists? Use your favorite search engine and type in the phrase "Linux tutorial" or +Linux +tutorial. You get the idea. You'll find lots of information. Good luck.