Posted on in System Administration
Historically, the RPMforge repository has aimed to create add-on RPMs for RHEL, CentOS, and Scientific Linux. Although their goal was not to replace base packages, avoiding that has not always been possible. In mid-November 2010, RPMforge created the rpmforge-extras and moved all packages that replaced base packages into the repository …
Posted on in System Administration
Yesterday, Red Hat announced the release of Red Hat Enterprise Linux (RHEL) 6. For those of us interested in virtualization, RHEL brings along many changes.
RHEL 6 promises enhanced virtualization performance in several ways. First, the operating system is now theoretically able to handle 4,096 CPUs, 16 TB …
Posted on in Software
Red Hat finally announced the release of Red Hat Enterprise Linux (RHEL) 6 yesterday. RHEL 5 was released in early 2007, making the wait for RHEL 6 the longest since Red Hat rebranded their Linux-based operating system with the RHEL moniker in 2003.
RHEL 6 boasts tons of new features …
Posted on in System Administration
If you're using a non-standard MySQL data directory on your Red Hat Enterprise Linux (RHEL) server, you may have seen an error like /usr/libexec/mysqld: Can't change dir to '/mysql_data/' (Errcode: 13). The key to fixing this problem is to ensure the new MySQL data directory has the proper …
Posted on in System Administration
Configuring your syslog server to accept logging output from your Cisco routers and switches requires a few basic steps. We'll assume that you are using a new server and haven't made any previous changes to the syslog configuration. I use <acronym title="Red Hat Enterprise Linux">RHEL</acronym> 5 most …
Posted on in System Administration
If you have SSH open toward the Internet, you are surely aware of the number of brute force password attempts your server sees everyday. Although a good password policy may make these attempts nothing more than an annoyance, each connection to your SSH daemon takes up valuable server resources. I …
Posted on in System Administration
If you have an interest in information security from a technical or managerial point of view, check out Principles of Information Security. It does an excellent job of presenting material for both audiences.
If you have other vendors you would like to see on this list, send me a message …
Posted on in Software
The Red Hat team has been hard at work rolling out bug fix updates. Here's another list of updated packages.
Red Hat signs all their packages via Gnu Privacy Guard (GPG …
Posted on in Software
The Red Hat folks have been hard at work pushing out a new batch of bug fixes. Here's a list of affected packages.
If you use any of the above packages or a Red Hat-based system, please make sure you keep your software up to date …
Posted on in Software
Red Hat recently released a flood of kernel-related bug fixes. Here's a list of the affected packages:
If you use any of these packages, make sure you are up to date.
Posted on in Software
The main advantage of using Red Hat Enterprise Linux over something more cutting-edge like Fedora is the length of time Red Hat supports their Enterprise product.
The Fedora Project only supports the current and previous versions of Fedora (formerly Fedora Core). Since Fedora utilizes a six month release cycle, you …
