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Tag Archives: command

July, 2010

  • 23 July

    Searching with GREP


    GREP, which stands for global regular expression print, is a sophisticated Linux/Unix tool that can serve many purposes, but one useful purpose on a dedicated server is its ability to search files and directories. With grep you can search within multiple files with relative ease. You can also parse printed …

  • 22 July

    Easily Repeat Root Commands with History

    Previously, I mentioned some of the benefits of using the “history” command to display any or all of your previous commands. On dedicated servers, whether Linux or Unix, that use “sudo” rather than “su” to become root, it can be aggravating when you type a long command string only to …

  • 22 July

    Rsync Incremental Backups


    Question: How can I easily perform incremental backups on my dedicated server? Answer: There are few tasks more important than backing up your server. Because of the nature of computers and especially the nature of the Internet, you are bound to have problems. They may or may not cause data …

June, 2010

  • 25 June

    How To Create Multiple New Users

    In Linux, the most common method used to create new users is to use the “adduser” command. This is fine when you need to add one or even a few users, but if you need to add numerous (i.e. 50, 100, or even 500), typing in the adduser command repeatedly …

  • 24 June

    Completely Delete Files with Shred

    On a Linux dedicated server, the normal method for deleting files is to use the “rm” command. This removes the file from the current filesystem, but what many do not know is that those removed files are usually recoverable. As such, rm is more like putting something in the trash …

  • 23 June

    Quick and easy sudo trick for servers

    Question: I just typed a really long complicated command line string on my server, but I forgot to type “sudo” at the beginning. Is there a quick way to enter it again? Answer: The history feature in Linux and Unix-like operating systems is truly a beautiful thing. With it, you …

  • 21 June

    How to Login as a Different User in Linux

    Sometimes when I am working on a project and come across a new powerful Linux command, I need to test it. With a live dedicated server, that can be a recipe for disaster. Rather than taking such a risk with your websites and possibly the websites of customers (if you …

  • 21 June

    Removing Files on a Linux Server

    An important part of file management is the removing of files that are no longer needed. Files, by their very nature, take up space, and something that is not needed should not take up space on a server, where space is money. The “rm” Linux command handles basic removal of …

  • 17 June

    Schedule Tasks on a Windows Server

    There are two ways to schedule a task on a Windows server: graphical (from the system tools menu) or from the command line. Graphical 1. If you have direct access to the system tools menu, click the “start” button and then go to Programs > Accessories > System Tools > …

May, 2010

  • 31 May

    Using the Stat Command to Display Metadata

    Linux servers provide system administrators with a great deal of flexibility and information about the inner workings of the system. If you ever want to know about every minute detail of your hardware, Linux can do that. The same is also true of hardware. For general files, the “stat” command …

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