Update & Upgrade

Updates and upgrades are one of the maintenance tasks for sytem. Programs that are not upgraded for a long time, like buildings that are not maintained for a long time, will accelerate aging and gradually lose functionality until they are unavailable.

You should know the differences between the terms Update and Upgrade(Extended reading)

• Operating system patching is Update, Ubuntu16.04 to Ubuntu18.04 is Upgrade
• MySQL5.6.25 to MySQL5.6.30 is Update, MySQL5.6 to MySQL5.7 is Upgrade

For MediaWiki maintenance, focus on the following two Update & Upgrade jobs

• Sytem update(Operating System and Running Environment)
• MediaWiki upgrade

System Update

Run an update command to complete the system update:

#For Centos&Redhat
yum update -y

#For Ubuntu&Debian
apt update && apt upgrade -y

This deployment package is preconfigured with a scheduled task for automatic updates. If you want to remove the automatic update, please delete the corresponding Cron

MediaWiki Upgrade

More detail please refer to MediaWiki official docs MediaWiki Upgrading