Jul
19
2021
I wrote in a previous post about a ProxySQL Helm chart for Kubernetes, in which you can configure the pod from SQL queries. The chart includes an ingress to reach the stats server on port 6080. Here are a few steps to get this working. Ingress needs to be activated in the Helm Values file […]
Tags: Docker, Kubernetes, Mysql, ProxySQL
Jul
06
2021
ProxySQL is a powerful tool that relays traffic to multiple Mysql backends. Configuration can be set in proxysql.cnf that is loaded when the daemon starts. This is really nice from a Docker perspective. You change the file and redeploy with the new settings. Now, I need a ProxySQL Helm chart to deploy on my Kubernetes […]
Tags: Docker, Kubernetes, Mysql, ProxySQL
May
16
2021
You are hosting Mysql or PostgreSQL data directory on iSCSI disks but the service fails to start at server’s boot. The service does not find the directory. However, you can start the service manually if you log on the server once SSH is available. These are logs for Mariadb but they would be similar for […]
Tags: iSCSI, linux, MariaDB, Mysql, Postgresql
Feb
28
2021
Mysql procedures and functions security type is set as DEFINER which is the default value, as described in the “Create Procedure and create function chapter” on mysql.com.Why one needs to be cautious? Anyone with EXECUTE privilege can run the procedure or function with the DEFINER permissions. This might not be what you want. An error […]
Tags: Mysql, security
May
11
2013
Radius servers generate a lot of accounting records. Is it worth keeping them? Of course! Beside the fact they could be used to check if a customer was connected at a given date, or find out who got IP address X.X.X.X that same day, the most interesting is to generate Freeradius traffic usage graphs and […]
Tags: Freeradius, graph, linux, Mysql, Oracle, Postgresql, radius, Reporting