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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13 July
How to Increase MySQL Memory Usage Above 4GB
Question: My database server is timing out because MySQL seems to hang once it has used up 4GB of RAM, even though the server is equipped with 6GB. How can I make MySQL take advantage of the full 6GB available? Answer: If your current server setup involves a 32-bit architecture …
June, 2010
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15 June
Rolling Your Own Kernel: Pros and Cons
Generally speaking, it is a sound idea to keep the default packages, kernel, and drives installed on your server when you first purchased it or when you first installed your Linux-based operating system. Recompiling a kernel is usually something taken up by adventurers and computer science students. Despite that general …
April, 2010
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29 April
Ubuntu 10.04 LTS Server Edition Released
Today Canonical, the company responsible for the popular desktop Linux operating system called Ubuntu, also released their latest server edition, version 10.04 LTS. The “LTS” stands for long-term support, which Canonical will offer for five years (Normal Ubuntu versions are released every six months). In the Linux server web hosting …
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23 April
Red Hat Enterprise Linux 6.0 Beta Released
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 …
March, 2010
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22 March
Viewing hardware information in Linux
Question: How do I view hardware information about my Linux server? Answer: If you are running your own dedicated server, you will be swamped with operating system and software management, network security, and a host of other responsibilities, but you should not neglect the server hardware itself. There are a …
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3 March
How to upgrade CentOS
Question: How do I upgrade my CentOS installation to a higher version? Answer: Using YUM you can upgrade CentOS with only a few steps. 1. Backup your important data. If most or all of is in a database, make sure to backup all databases. 2. List all of the updates: …
February, 2010
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9 February
How to schedule a reboot on a Linux server
Automating tasks in Linux is a pretty straightforward process, mainly because the tool used to do it comes with all Linux distributions. It is called Cron, as we mentioned in an earlier post. Cron allows you to automate all sorts of tasks, including reboots. But if you just need to …
December, 2009
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29 December
System monitoring with phpSysInfo
Sometimes you just need quick information about your server without having to click through numerous control panel screens or logging via SSH. A small PHP software application, called phpSysInfo, allows you to do just that. Installed like a normal PHP script, you can access a plethora of information about your …
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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 …