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RHEL7 now with MariaDB

Posted on 11/6/2014, 1:09 am, by Colin Charles, under Distributions, MariaDB, MySQL.

Congratulations to the entire team at Red Hat, for the release of Red Hat Enterprise Linux 7 (RHEL7). The release notes have something important, under Web Servers & Services:

MariaDB 5.5

MariaDB is the default implementation of MySQL in Red Hat Enterprise Linux 7. MariaDB is a community-developed fork of the MySQL database project, and provides a replacement for MySQL. MariaDB preserves API and ABI compatibility with MySQL and adds several new features; for example, a non-blocking client API library, the Aria and XtraDB storage engines with enhanced performance, better server status variables, and enhanced replication.

Detailed information about MariaDB can be found at https://mariadb.com/kb/en/what-is-mariadb-55/.

This is a huge improvement over MySQL 5.1.73 currently shipping in RHEL6. I’m really looking forward to welcome more MariaDB users. Remember if you are looking for information, find it at the Knowledge Base. If you’ve found a bug, report it at Jira (upstream) or Bugzilla (Red Hat). If you want to chat with friendly developers and users, hop on over to #maria on irc.freenode.net. And don’t forget we have some populated mailing lists: maria-discuss and maria-developers.

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Starting with systemd

Posted on 4/5/2014, 4:30 am, by Colin Charles, under Distributions.

I currently maintain a host of machines in the RPM world from CentOS 5, CentOS 6, and now Fedora 20 (in preparation for CentOS 7). Being part of an upstream project that ships on many platforms, it is in my interest to make sure that all things “just work” on the myriad of platforms out there that we support.

In CentOS 6.5, changing a hostname is a process of editing /etc/sysconfig/network, making sure the /etc/hosts file is sensible and fixing it with the hostname command. Rackspace has a good support article on this.

This is the world before systemd. Now in Fedora 20, this muscle memory goes away in favour of using hostnamectl (docs from the excellent System Administrator’s Guide). Now all I have to do is: sudo hostnamectl set-hostname <newhostname>.

I see a whole host of feature requests with regards to MariaDB & systemd as well as a couple for MySQL. I’ll be spending some time on this in the near future.

(and in other news, shutdown doesn’t understand the -f switch – invalid option code – this was to skip fsck on reboot – still valid in CentOS 5, accepted input in CentOS 6, but unlikely for CentOS 7.)

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