Linux System Admins Blog

System admins of Promet – an e-commerce, high availability Open Source web shop – share their findings

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php 5.2.9 on RHEL5.x (for Drupal 6)

October 21st, 2009 · No Comments

Latest version of PHP available for RHEL5.x is 5.1.6 and no new RedHat releases are coming as packaging has ceased. You can get PHP 5.3 for RHEL5 from Remi, but it it’s incompatible with latest versions of Drupal, Civicrm or many modules so we need the a 5.2X branch of PHP. This requires building php [...]

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Tags: HowTo · Installation · drupal

Red Hat Enterprise Linux 4.8 released

May 26th, 2009 · No Comments

With the 8th update of their venerable Red Hat Enterprise Linux 4 version (first released in February 2005), RedHat switches to “production 2 lifecycle phase“, where it helps customers transition to RHEL5. Ideally everyone will upgrade to rhel5 by the end of the year – Q4 2009 (in case not done already, this is a [...]

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Tags: News

rhel/centos x86_64 and i386 packages mess…

May 19th, 2009 · 2 Comments

Anyone running centos/rhel x86_64 systems has probably noticed that redhat has a strange way to install a mix of i386 and x86_64 rpms on such a systems. This is how redhat is using the 64bit architecture in a mixed way to be able to support also i386 applications. This is completely different from how for [...]

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Tags: CLI · Centos · sysadmin

HowTo recover from a corrupt rpm database

February 10th, 2009 · 5 Comments

RedHat based systems (rhel/fedora/centos) use rpm/yum to install and upgrade packages. If the rpm database gets corrupted in some way it will break all the functionality of rpm and other tools that rely on it like yum for example. We have seen this either showing some errors on the console, or most frequently just by [...]

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Tags: Centos · sysadmin

HowTO change the timezone on RHEL/CentOS

December 16th, 2008 · 2 Comments

Linux systems traditionally keep the definition of their timezone in /etc/localtime. This is a binary file with the timezone info, and if we want to change it we need to find the appropriate timezone file from /usr/share/zoneinfo and copy it over the one from /etc or just link to it. Once you change it, you [...]

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Tags: CLI · Centos