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GitLab
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Database
Oracle
Create an Oracle database
Drop an Oracle database
PostgreSQL
Create a PostgreSQL database
Sizes and row counts without breaking production
SQL Server
Create a SQL Server database
Docker
Healthcheck
Push multiarch image to another registry
Elasticsearch
Free disk space via the Elastic Cloud API console
Git
Cherry-pick to release
Recover from a bad reset
Undo last commit
JVM
JVM debugging
GC tuning
Thread dump
SSL
Check certificate (OpenSSL)
Convert PEM to JKS
Keytool
Custom CA using OpenSSL
GitLab
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Elasticsearch
Notes on running Elasticsearch — mostly Elastic Cloud.
Free disk space
Find and delete the biggest indices via the cloud.elastic.co API console when Kibana is down.
