LAMP with ·dotmanila

Whether you are upgrading, decommissioning or putting your current master server in maintenance - here's a quick howto on promoting your slave server as new master for your application writes. This instructions (for my notes and the benefit of the...

In case you are upgrading to Fedora 16 and trying to use a software RAID for the /boot partition, at some point Anaconda is bound to complain that the RAID metadata version is invalid. Well this is a known bug and a workaround is available from this bug...

While working on a PHP script recently when I stumble upon a nasty bug that leaves only a "Segmentation fault" while preparing statements with Zend_Db_Adapter_Mysqli. Attempting to gdb the same process only results in gibberish like below and nothing...

When designing you backup strategy which involves using XtraBackup, it is often part of the job to be able to rotate backups not to fill the disks and not be able to take further backups. However, sometimes I've seen people how they can do this when...

As mentioned on my previous post, I am moving out of a Dell R210 server to a new hardware with 4x Western Digital 500G Caviar Blue and Intel 320 Series 120G for my own personal research and testing. The four WD disks are configured in RAID10 with mdadm...

I am migrating to another server for my testing and this blog, but before I leave this server I decided to do a simple sysbench fileio test using 60G total file size. Raw information about the server and results can be found here. See the beautiful graph...

When using Solr DataImportHandler with MySQL, the JDBC connection treats TINYINT(1) columns as BOOLEAN even if you have other values greater than. Most likely with a properly defined field of int type on your schema.xml you will get an error while...

err: Could not retrieve catalog from remote server: certificate verify failed If you're new to puppet, this error is a bit tricky to identify. Even after recreating the certificates on the client the error still persist. If this is the case, most...

rdiff-backup is a great tool for mirroring or backing up files locally and between remote servers. It is based on rsync and works on top of SSH. To this note, I recently encountered one caveat when using the --user-mapping-file and --group-mapping-file...

I keep a list of groups, list and forums I regularly visit for information on the local open source scene and share them here: Mailings lists: Philippine Linux Users Group - http://lists.linux.org.ph/mailman/listinfo/plug LAMP Pilipinas -...