YUM is a package management system for Red Hat Enterprise Linux (RHEL), CentOS, Fedora, and other Red Hat-based Linux operating systems. It is command-line driven and is an easy tool you can use to keep your server updated and install any new software you need. Normally, when you perform updates, …
July, 2010
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12 July
What is a Linux Package?
Question: I have a new Linux dedicated server, and I have read a lot of documentation referring to packages. What are Linux packages? Answer: In Linux distributions, a “package” refers to a compressed file archive containing all of the files that come with a particular application. The files are usually …
May, 2010
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27 May
Useful RPM Tips
As I mentioned in an earlier post, YUM is a powerful package management system, commonly used in RPM-based Linux distributions, including Red Hat Enterprise Linux, CentOS, and Fedora. We have covered some of the basic YUM commands. Now, here are some helpful commands not in YUM that you can use …
March, 2010
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16 March
Linux server dependencies
Question: What are dependencies in Linux and how do I manage them? Answer: In any operating system, an program requires other programs, drivers, and libraries of files to run. The program depends on those files, so they are called dependencies. Many commercial vendors will packages the dependencies in the installation …
January, 2010
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20 January
Installing software on an OpenSolaris server
Continuing with our tour of server operating systems, today we will take a look at Sun Microsystems’ OpenSolaris, the free and open source version of the popular Unix-based Solaris OS. Those who experience with other Unix or Linux servers should find much of OpenSolaris familiar. Nevertheless, there are some key …
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12 January
How to manually install stubborn APT packages
Question: What do I do when I get the following error with apt-get: error processing /var/cache/apt/archives/packagename_0.80.1-1_all.deb : trying to overwrite ‘libsomething.1.0.so, which is also in “libotherpackage”? Answer: These types of errors can be very annoying when trying to upgrade packages on a Linux server with apt-get. Sometimes these can be …
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7 January
How to force YUM to exclude certain packages
Question: Is there a way to tell YUM to ignore certain packages when performing updates on a CentOS Linux server? Answer: There certainly is, and in some cases it can save your server from an unfortunate mishap. When running a dedicated server, particularly one with multiple websites, you run the …
December, 2009
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18 December
Useful APT commands
In a previous post, we covered some of the basics of using apt-get to download and install packages for your Linux server. There are several commands that you can append to “apt-get” in order to perform various tasks. Here are a few: 1. “apt-get clean” By default, APT saves a …
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16 December
Fixing YUM dependency problems: Part 2
You have already tried “yum clean all” and you still are getting dependency errors. These errors can only mean that you have something that is installed that should not be or you need manually install the dependency to whatever package you must have despite YUM‘s warnings. In case of the …
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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 …