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Tag Archives: root

February, 2010

  • 8 February

    Enabling bootlogd on Debian Linux servers

    Question: I am concerned about some services loaded during my Linux server’s boot up, but it does not seem to keep any log of it. How do I fix this? Answer: If you are running a Debian-based server, boot-logging is disabled by default. The only way to find out what …

January, 2010

  • 27 January

    How to restart Apache in Mac OS X Server

    Question: How do I restart Apache HTTP Server on a Mac OS X server? Answer: Linux other Unix-based servers, you can start and stop Apache from the command line. If you are familiar with Redhat-based systems, then you are used to logging in and then using “su” to become Root. …

December, 2009

  • 30 December

    How to setup an SSL Dovecot mail server

    Question: How do I setup Dovecot to use IMAPS and POP3S with Postfix certificates? Answer: Dovecot is a free and open source IMAP and POP3 mail server. It is used for receiving incoming mail and works in conjunction with Postfix, which handles sending and delivery. Dovecot runs on all Linux …

  • 17 December

    Linux file and directory structure

    An important part of knowing your Linux server is knowing where directories and files are. Most Linux distributions organize files in a similar manner, following specific standards. It is very different from the Windows file and directory structure, but once you know one Linux setup, you will pretty much know …

  • 9 December

    SSH security tips part 3: Root logins and empty passwords

    Only one user should have the root password to a server, but since virtual private servers (VPS) can exist within a server, those users also have root passwords. Generally speaking, it is a bad practice to login to the server directly as root (administrator). Although SSH connections are encrypted, it …

November, 2009

  • 20 November

    Changing a User's Group in Linux

    Question: How do I add a user to a group in Linux? Answer: Now that you have created a new user, you may need to add the user to a special group. To accomplish that, follow these easy steps. 1. Login to your server via SSH. 2. Become root: su …

  • 10 November

    Changing the MySQL root password

    Question: How do I change my MySQL root password on my dedicated server? Answer: If you have never set the password for MySQL, the server will allow you to connect as root without any password at all. This is obviously not secure and needs to be fixed. Consider it an …

  • 6 November

    Managing passwords in Linux with the "passwd" command

    When managing a dedicated server, it is very important to keep a secure password and to change it periodically. In an SSH session, the best way to accomplish this is to use the “passwd” command. A normal user can change his/her own account, while a system administrator (root) can change …

  • 3 November

    Changing file ownership in Linux

    There are many situations when you may need to change the ownership of files, especially if you are operating a virtual private server or dedicated server. For example, you may install something for a website as root but then need to set ownership of the file to the local user. …

October, 2009

  • 6 October

    What is root and su?

    Question: What is root and su? Answer: On Linux and other Unix-like systems, root is the default username of the system administrator or super user (su). Typically, the root user is the only one that has complete read and write access on every file located on a server. Shared hosting …