Lzone Blog

Categories

Bash

  • Log detailed output in bats
  • Getting rid of bash ctrl R
  • Hotkeys to efficiently use bash in emacs mode

memcached

  • Benchmarking Redis And Memcache
  • Memcache monitoring guis
  • Memcache alternatives
  • Howto consistent hashing with different memcached bindings
  • How To dump keys from memcache

Redis

  • Redis list all keys
  • Benchmarking Redis And Memcache
  • Redis performance debugging
  • Most important redis commands for sysadmins

MySQL

  • Mysql dump skip event table
  • Mysql administration commands

Postgres

  • Pgbouncer "pooler error: auth failed"
  • Postgres administration commands

Puppet

  • Puppet agent settings issue
  • Puppet dry run
  • Match structured facts in mcollective
  • Hiera eyaml gpg troubleshooting
  • Puppet solve invalid byte sequence in us Ascii
  • Puppet apply only specific classes
  • Puppet agent noop pitfalls
  • Puppet: list changed files
  • Puppet check erbs for dynamic scoping

ulimit

  • Apply Changes To Limits.conf Immediately
  • Ubuntu, apache and ulimit
  • The Debian/Ubuntu ulimit check list

Apache

  • Ubuntu, apache and ulimit

SSH

  • Ssh login without interaction
  • Workaround openssh 7.0 problems
  • SSH ProxyCommand Examples
  • Port knocking and ssh proxycommand

Docker

  • How to get docker buildkit to show run command output
  • Prometheus and m3db in docker in 5min
  • Docker disable ext4 journaling

Openshift

  • How to install helm on openshift
  • Openshift s2i and spring profiles
  • Openshift ultra Fast bootstrap

Helm

  • Find broken Helm3 releases
  • Old helm chart repos will disappear
  • Helm Best Practices
  • Helm causes 'Could not get apiVersions from Kubernetes'
  • Helm Checking Keys
  • Helm templates lists using range
  • Helm error: cannot connect to tiller
  • How to install helm on openshift

kubernetes

  • Old helm chart repos will disappear
  • Helm Best Practices
  • Helm error: cannot connect to tiller
  • How to install helm on openshift

Jenkins

  • Jenkins search for unmasked passwords
  • HTTP requests from Jenkins pipelines
  • Jenkins list all pod templates
  • Ansi color in jenkins pipelines

Jekyll

  • Jekyll collections without frontmatter
  • How to use custom css with jekyll minima theme

Scripting

  • ffmpeg video transcoding from Nautilus

Lzone Blog

  • Lzone Blog
  • [email protected]
  • lwindolf
  • larswindolf

Blog on DevOps stuff, mostly kubernetes and Linux these days.