GCP Network Slow

The GCP network seems to be amazingly slow today. Simply pulling images on my compute instance results in errors like “Get https://marketplace.gcr.io/v2/: net/http: TLS handshake timeout”. Creating Kubernetes clusters (by gcloud …) in my other project takes endless. Please note, that the VM’s itself (cpu, memory,..) are not overloaded, therefore I assume it to be…

Dovecot Inotify instance limit – Issues when exceeded, and possible issues cause by raising it

I have a server which often has in its mail.log line like “imap([email protected]): Warning: Inotify instance limit for user 5000 (UID vmail) exceeded, disabling.” I know I can increase this limit by adding lines below to /etc/sysctl.conf and running sysctl -p fs.inotify.max_user_watches = 1024 fs.inotify.max_user_instances = 1024 Questions are What happens when Inotify instance limit…

mysqltuner wants me to set join_buffer_size > 256.0M?

I have a 16GB dedicated server running 1 wordpress and 1 magento site! For the last month I have been trying to get mysql optimized! [[email protected] ~]# ./mysqltuner.pl MySQLTuner 1.7.19 – Major Hayden Bug reports, feature requests, and downloads at http://mysqltuner.com/ Run with ‘–help’ for additional options and output filtering [–] Skipped version check for…