# Update & Upgrade
Updates and upgrades are one of the maintenance tasks for system. 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 (opens new window))
- 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 Moodle maintenance, focus on the following two Update & Upgrade jobs
- System update(Operating System and Running Environment)
- Moodle 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 pre-configured with a scheduled task for automatic updates. If you want to remove the automatic update, please delete the corresponding Cron
# Moodle Upgrade
Moodle provided multiple upgrade methods, includes: automatic upgrade, upload source code for upgrading, using CLI for upgrading
The following steps will introduce how to upgrade by CLI:
Use SSH to connect your Moodle Server
Run the following commands for upgrading
cd /data/wwwroot/moodle/admin/cli php upgrade.php
The system will start upgrade
More detail please refer to Moodle official docs Moodle Upgrading (opens new window)
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