Got permission denied while trying to connect to the Docker daemon socket
Getting this? Got permission denied while trying to connect to the Docker daemon socket Solve it with this: sudo chmod 666 /var/run/docker.sock Cheers, Tom
Archive for December, 2021
FreeIPA: Adding and removing CNAME records.
To add a cname record: ipa dnsrecord-add nix.mds.xyz portal –cname-rec='long-host01.nix.mds.xyz.' to remove a cname record: ipa dnsrecord-del nix.mds.xyz portal –cname-rec='long-host01.nix.mds.xyz.' Cheers, TK
Atlassian Confluence:Component ‘Operating System’ alerted ‘Low free memory’ and Component ‘Java’ alerted ‘Garbage collection exceeded time limit’
Seeing the following alerts? [2020-04-17 21:53:30,207] 2020-04-18T01:53:30.200Z Component 'Operating System' alerted 'Low free memory' (details: {"freeInMegabytes":62,"totalInMegabytes":5805,"minimumInMegabytes":256}, trigger: {"pluginKey": "not-detected"}) [2021-12-13 06:44:52,432] 2021-12-13T11:44:48.953Z Component ‘Java’ alerted ‘Garbage collection exceeded time limit’ (details: {“durationInMillis”:2181,”windowInMillis”:20000,”limitPercent”:10,”threadMemoryAllocations”:””,”threadDump”:[]}, trigger: {"pluginKey": "not-detected"}) Time to up the memory on the host and adjust the environment properties: /atlas/atlassian/confluence/ cat bin/setenv.sh # See the CATALINA_OPTS below […]
MySQL Galera while using HAProxy prints following error: DOWN, reason: Layer4 connection problem, info: Connection refused
MySQL Galera while using HAProxy gives the following: # Dec 11 22:45:43 localhost haproxy[24265]: Proxy mysql-back started. Dec 11 22:45:43 localhost haproxy[24265]: Server mysql-back/mysql01.nix.mds.xyz is DOWN, reason: Layer4 connection problem, info: "Connection refused", check duration: 0ms. 2 active and 0 backup servers left. 0 sessions active, 0 requeued, 0 remaining in queue. Dec 11 22:45:43 […]
