When attempting to create a user or restore a backup you may see this error: This system already has a database owner named___ To fix this, edit the following files on the system and remove entries for the user in question: /var/cpanel/databases/users.db /etc/dbowners…
Read moreYears ago, MySQL started allowing InnoDB to possess separate tablespace per table instead of a massive unified ibdata1 file. Tablespace is basically a logical storage area that contains table information – references, if you will. Every table, regardless of the storage engine, has one, and without it the table will be unrecognizable to MySQL. MyISAM stores…
Read moreThere may be some situations where you have to move the location of MySQL, for example, if you’re out of disk space or perhaps looking to host it on another device to increase performance. Whatever the reason, moving MySQL is simple and has no impact ct on cPanel’s functionality. 1) Create a backup …
Read moreUpdate: Please be advised that this post does not apply to you if you’re running EasyApache 4, because EA4 uses PHP RPMs and MySQL client compatibility libraries. Please make sure you are following the instructions below that pertain to your system! There’s a dilemma among system administrators of high-traffic servers when it comes to doing…
Read moreI’ve seen several cases in the last few months where database users seemingly “disappear” or privileges appear to become invalid when restoring MySQL data or an entire server from raw backups. This may commonly be attributed to a MySQL version mismatch, for example, when a server is running MySQL 5.0 and then is suddenly running…
Read moreUpdate 2/14/14: These instructions have been updated to apply to 11.36+. If at all possible, you should use WHM to install MySQL, however, if you need a version of MySQL outside of what they are offering in current cPanel versions, it is possible to install your own versions. These instructions can also be used to…
Read moreWe’ve developed our first cPanel 11.25 cheat sheet, now available for your downloading pleasure. The sheet is comprised of common file, script, and configuration locations for help at a quick glance. [dm]1[/dm] More cheat sheets will be available soon! Check back on our Cheat Sheets page for more.…
Read moreUpdate: As of cPanel 11.4x, Roundcube only supports SQLite. cPanel 11.25 introduces a new feature: The ability to have RoundCube use SQLite instead of MySQL. After benchmarking resource usage and performance, I’ve come to the conclusion that SQLite is definitely the best way to go for Roundcube. Having trou Duplicate File Cleaner ble making the…
Read moreIt was announced by cPanel on April 14, 2010 that cPanel 11.25.1 will include a new database mapping feature that’s been long requested: the removal of cPanel username prefixes from the database names. This is a non-reversible, opt-in feature that some hosts may find very valuable. But is it a feature that you need? Who…
Read moreWhen you upgrade from cPanel 11.24 to 11.25, your users may notice that in cPanel, their MySQL databases show 0MB of disk space used, when they know their databases are much larger. This is due to an option in cPanel that you specifically have to enable. To enable MySQL disk usage tracking: 1) Edit /var/cpanel/cpanel.config…
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