16 articles tagged "CentOS"

Paid Support From Novell / Red Hat Not Important for Linux Adoption

Companies are increasingly choosing free community-driven Linux distributions instead of commercial offerings with conventional support options from Red Hat or Novell due to dissatisfaction with the cost of support services.
Download Of The Day: Firefox 3.0.1 (Critical Security Update)
Firefox 3.0.1 has been released and available for download. This update has been rated as having critical security impact by the Mozilla. Use the following instructions to upgrade Firefox.
Impact of the Debian OpenSSL Vulnerability On other Linux Distribution
Can bug present in the Debian OpenSSL packages affect Red Hat / FreeBSD / CentOS Linux UNIX / Windows workstation / server users?
Project Spacewalk: Red Hat Open Sourced RHN Software
Spacewalk is an open source (GPLv2) Linux systems management solution. It is the upstream community project from which the Red Hat Network Satellite product is derived.
Security Alert: Red hat / CentOS Linux Freetype Various Security Issues
Updated freetype packages that fix various security issues are now available for CentOS / Red Hat Enterprise Linux 3, 4, 5 and 2.1 server software.
Red Hat Enterprise Linux 5.2 Released
Update brings broad refresh of hardware support and improved quality, combined with new features and enhancements in areas such as virtualization, desktop, networking, storage & clustering and security
Linux Failed Login Control: Lock and Unlock User Accounts Using PAM
How do I lock out a user after a set number of login attempts in Linux but also automatically unlock it after N minutes?
Install Squid Proxy Server on CentOS / Redhat enterprise Linux 5
I’ve already wrote about setting up a Linux transparent squid proxy system. However I’m getting lots of questions about Squid basic installation and configuration:
How do I install Squid Proxy server on CentOS 5 Liinux server?
Sure Squid server is a popular open source GPLd proxy and web cache. It has a variety of uses, from [...]
Why my Linux server ext3 filesystem go read-only?
From my mailbag:
We have 5 Dell server collocated running CentOS 4.x and 5.x server operating system. Sometime my file system (ext3) goes read-only. I’d like to know what could be causing such a problem?

My guess:
a) Hardware problem / hard disk problem, check harddisk for errors.
b) High disk I/O aka busy I/O retry error can [...]
How to: Linux reset the permissions of the installed rpm packages with –setperms option
Sometime by mistakes all file permissions get changed and you need to restore file permission. For example a shell script or some sort of corruption could change the permissions for packages (installed files), it may be necessary to reset them.
For example a long time ago my shell script run chmod and chown commands [...]