Categories
WebOps

How to install XWiki

Install the Advanced Open Source Enterprise Wiki.

Categories
SysOps

How to access rdiff-backup repository using fuse

Use FUSE (filesystem in userspace) to access rdiff-backup repository.

Categories
DevOps

How to install OpenJDK 8 on Debian

Use AdoptOpenJDK/Eclipse Adoptium to install OpenJDK 8 (LTS)/OpenJDK 11 (LTS) or OpenJDK 15 (Latest) using Eclipse OpenJ9 or HotSpot Java virtual machine.

Categories
SysOps

How to execute rc.local shell script during boot using systemd

Execute rc.local shell script during boot using systemd compatibility generator.

Categories
SysOps

How to perform shell script analysis

Perform shell script analysis using shellcheck, a shell script static analysis tool.

Categories
SysOps

How to display packages that are no longer required

Display packages that were installed automatically to satisfy various dependencies and are no longer required.

Categories
SysOps

How to calculate Elasticsearch average documents number in recent days

Calculate Elasticsearch’s average documents number in recent days using a shell script.

Categories
SysOps

How extend existing ext4 filesystem using systemd service

Use systemd service to automatically extend existing ext4 filesystem on boot or on-demand to optimize virtual machine configuration.

Categories
SysOps

How to retry Elasticsearch shard allocation

Retry Elasticsearch shard allocation that was blocked due to too many subsequent allocation failures.

Categories
SysOps

How to calculate Elasticsearch hit ratio

Calculate Elasticsearch hit ratio using command-line curl utility.