Tag Archives: linux

December, 2009

• 11 December

  Fixing APT problems

  Question: I get an error on my server with apt-get, and it will not let me install any new packages. What should I do? Answer: Depending on the error, there are a number of solutions you can try. The first is to tell APT to resolve any unfinished transactions or …
• 7 December

  How to perform upgrades with apt

  Question: What is the difference between apt-get upgrade and apt-get dist-upgrade? Answer: Apt-get upgrade is designed to update your Linux server packages to their latests versions. It will only upgrade the packages that are currently installed. Apt-get dist-upgrade will not only upgrade the current packages but will also install any …
• 7 December

  How to reinstall packages with YUM

  Question: One of my applications in CentOS Linux is not working right. How do I reinstall it? Answer: Early version of YUM did not have a “reinstall” function, but the newest version do. To reinstall a package, simply type as root: yum reinstall package-name If you are running a server …
• 4 December

  Searching for applications with APT

  Using “apt-get install” works perfectly well as long as you know the name of an application, but if you do not, it becomes a guessing game. Fortunately, APT has a search tool you can use to find the applications or types of applications you need for your Linux server. APT …
• 4 December

  Installing applications with APT

  In a previous post, I explained how to install APT on a Linux server that does not have it. In this post, you learn how to use APT on any server that has it installed. Debian and Debian-based distributions, such as Ubuntu, use APT by default. The basic command for …
• 3 December

  Where can I find a free SMTP server?

  An SMTP (Simple Mail Transfer Protocol) server is primarily used for sending email messages between servers. Most email systems use SMTP servers. But are there free servers for this task? Free SMTP Server is a Windows program that satisfies that need, and it is very easy to use. Furthermore, it …
• 1 December

  Website Hosting Apache

  Apache HTTP Server is the leading web server software available. It commands nearly 60% of the web server market and over 66% of the 1 million sites with the most traffic. It is developed by the Apache Software Foundation and is released under a free and open source license called …

November, 2009

• 30 November

  Using APT for installation and updates

  The default update manager for Redhat-based Linux distributions is YUM, which is wonderful and all, but some people, especially those used to Debian-based distributions (such as Ubuntu), prefer to use APT for their updates. This is only for advanced users and should not be attempted on a server that already …
• 30 November

  Making YUM Faster

  Question: When I run updates with YUM (an update tool for Redhat, CentOS, or Fedora Linux), it seems like it takes forever. How can I make it faster? Answer: Although there many things to consider when trouble-shooting speed issues, one specific YUM concern might be the speed of the mirror …
• 27 November

  Find out which users are logged in

  Question: How do I find out which users are logged in to my Linux server? Answer: To find out who is logged on to your server, you can run a very simple command: who You will need to login to your server via SSH order to run this command. This …