On a lovely Saturday afternoon our NetOps team raised an alarm: the disk usage on a specific database server was growing fast, and with the current growth rate we have about 30 hours left until the disk is full. Currently climbing over 80%, which triggered the alarm in the first place. Not good. However nothing serious as of now, but better investigate now and not wait until Monday. Zabbix Graph: Space utilization The System This particular server has about 3....
In our infrastructure, we mostly use Gentoo for our servers. For anyone who doesn’t know Gentoo: this Linux distribution compiles packages on the server. Upgrades take a bit more time, but on the other hand the installation can be adjusted to specific requirements: need debug symbols on a dev or staging platform? No problem, compile them in. Want to optimize an application? Change the compile parameters and recompile once: done. Like with pre-compiled packages, this approach has ups and downs....
The Ansible collection includes the postgresql_privs module which is used to set or revoke privileges on database objects. So far this can be used in a programmatic way: specify the privileges, but also specify if something should be revoked. To give you an example: Let’s say we have a table users in the database. Now an additional role audit is supposed to have SELECT privileges on this table. You solve this by adding one postgresql_privs task:...