~/blog / topic / linux
Linux troubleshooting: services, logs, disk, SSH
Short, verifiable paths through typical Linux problems: services, logs, disk space, access and network. With commands I use in support myself.
Three critical NGINX flaws: less dramatic than PHP2Shell, but patch them quickly anyway
NGINX fix in 1.30.6 and 1.31.7 (Plus 37.1.0.1, 37.0.5.1): which configurations are affected, how to check them and how to update containers.
PHP emergency patch (PHP2Shell): how to check and patch your servers
Two critical PHP flaws, fixed in 8.5.12, 8.4.27, 8.3.36 and 8.2.35: where PHP really runs, how to check the version, patch and restart — with a worked example.