As anticipated, the Linux giant Red Hat has released the first beta of the 6th version of its long-awaited enterprise server operating system, Red Hat Enterprise Linux (RHEL). The new OS offers greater server scalability by increasing the strength and performance of KVM hypervisor, its kernel-based virtualization infrastructure. Rather than …
April, 2010
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20 April
How to create a compressed tar.gz archive
Compressing files is an important skill to have. You never know when you might need to move large amounts of data, and knowing how to compress them into a smaller sized single archive can save you a lot of time and disk space. Compressed files are particularly useful for backups …
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12 April
Finding Linux files with "locate"
There are a few of ways to find files on a Linux server, but most of them involve actually searching through each file in the filesystem until the correct one is located. This can be time consuming and taxing on the server’s CPU load, especially if you have a lot …
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9 April
What operating system should I install on my dedicated server?
A lot of new dedicated server owners are not sure which operating system they should use. Unless you’re running an Apple server, you have two choices: Linux and Windows Server. Which one is better? Because of its low cost, flexibility, better security, and faster speed, Linux is the operating system …
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8 April
Chmod shortcuts for Linux
In a few previous posts, we learned how to change file and directory permissions with chmod. The standard method is to use numbers to represent various permissions. For example, typing “chmod 777 directoryname” will make the directory readable, writable, and executable for all users, local or otherwise. There are many …
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7 April
Red Hat Enterprise Linux 6 coming soon
Red Hat, a company that holds a large portion of the Linux server market, recently released the latest version of their OS, Red Hat Enterprise Linux 5.5. The first version of the 5.x series was released in 2007, and now RHEL 6 is said to be released soon. RHEL is …
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7 April
Ubuntu providing home grown clouds
When one thinks of cloud computing in business terms, it is usually because he or she is considering a move to a cloud offering from Amazon or Google. But some organizations need to offer some cloud applications internally to their customers or employees. While those with large IT development staffs …
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6 April
Webmin server management
When managing a Linux server, the most universal and basic method for server management is to access it directly from the command line. Most Linux server do not come with a graphical interface, and although you could install one, it would just take up valuable server resources, such as memory. …
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6 April
Secure user accounts with Jailkit
No, it is not something to help you break out of jail. Jailkit is a suite of free and open source software that limits user accounts to a limited portion of the filesystem, utilizing a tool called chroot. It can also be used to limit users to specific commands or …
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1 April
To chmod or not to chmod
When installing scripts on a server, there is a tendency of both developers (in their instructions) and users to be overly generous in dishing out file permissions. In Linux, file permissions can be manipulated with the “chmod” command. For example, a script may require write access to a temporary directory, …