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Tag Archives: ssh

March, 2010

  • 29 March

    Sudo vs. SU

    The “su” command is what a Linux user with proper permissions uses to ascend to the root administrator account. A secure SSH server will not allow direct root login, so the user must gain root after initial login. The “sudo” command is an alternative to using a separate root user …

  • 12 March

    iPhone and smartphone SSH with WebShell

    You cannot be at your desk 24/7 even if you are the best system administrator the world has ever known. You also cannot predict when your server will need attention or where you will be when it does. We live in an age where mobile devices are as common as …

  • 10 March

    5 Security tips for virtual private servers

    There are many security factors you should consider when deploying Linux-based virtual private servers (VPS) on systems such as OpenVZ. Some protect your users and some protect your server as a whole. Here are five steps you can take to make sure your server is secure: 1. Disable the root …

February, 2010

  • 22 February

    cPanel shell scripts for Linux

    cPanel is best known as a graphical web hosting control panel. Since it is web based, however, there may be times when a system administrator may prefer or may need to execute commands from the Linux shell, either locally or remotely via SSH. Fortunately, cPanel comes with a host of …

  • 17 February

    How to check and optimize MySQL databases automatically

    MySQL databases require regular maintenance, but usually the databases just need to be re-optimized and checked for errors. In such cases, having to go through each database on your server can be time consuming. Following these steps, you can setup a cron job that will automatically check and repair your …

  • 4 February

    Monitoring your server from your iPhone

    Picture this. You’re on the go, traveling, working, going on a date, or even just taking a nap, and you suddenly start getting phone calls. Little do you know that those phone calls are from angry customers or your boss. The server went down two hours ago, but you had …

January, 2010

  • 29 January

    What is Putty?

    PuTTY is a free terminal emulator that supports SSH and many other protocols. Most users, particularly on Windows, find it very useful for connecting to a Unix or Linux SSH server. PuTTY has a graphical configuration interface with many useful features: storage of connection data for quick reconnection port forwarding …

  • 14 January

    The benefits of SFTP

    FTP is the primary method used by website owners to upload content to their servers or distribute large amounts of data. FTP is easy to use and generally efficient at doing its job, but no one would claim that it is completely secure. Generally speaking, files you upload to your …

  • 12 January

    How to delete multiple files in various directories in Linux

    Question: When uploading files to my Linux server from my windows computer, I have accumulated WS_FTP.log files and thumbs.db files in multiple directories. Is there an easy way to delete all of them at once without navigating through each directory? Answer: With Linux, of course there is. You can accomplish …

December, 2009

  • 28 December

    How to manually grant privileges in MySQL

    There are plenty of reasons why you might want to grant various privileges to a user in MySQL manually rather than with a control panel or phpMyAdmin. But regardless of the reason, the process is quick and easy, once you learn how to do it. For this you will need …