Archive for 2021

 

 

Jul 19 2021

How to Access ProxySQL Web Interface on Kubernetes

Published by under Docker,Kubernetes,Mysql

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 […]

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Jul 06 2021

ProxySQL Helm Chart ⎈ Load Rules from SQL Query Set

Published by under Docker,Kubernetes,Mysql

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. Official ProxySQL Helm Chart I tried to use the ProxySQL team helm […]

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Jun 06 2021

Feedback on Cisco Small Business vs Cisco

Published by under Cisco

I asked my reseller a quote for some Cisco Catalyst switches as usual, and he tells me most of his clients buy Cisco Small Business switches. He argues they are much cheaper, have similar performance and features. Checking on some forums, I get no real answers but vague statements like it is not a real […]

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May 16 2021

MySQL / PostgreSQL on iSCSI Fail to Start at Boot

Published by under Linux,Mysql,Postgresql

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 […]

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May 07 2021

Nginx Behind Reverse Proxy 301 https to http Redirect When URL has no Trailing Slash

Published by under Nginx

An Nginx web server hosted on Kubernetes was sending back to me permanent 301 http redirects although I was sending https requests. The web server was behind a reverse proxy that was also running Nginx but it would be the same story with haproxy or another. Worst, the reverse proxy was redirecting http requests to […]

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