# 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 (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 OpenCart maintenance, focus on the following two Update & Upgrade jobs
- Sytem update(Operating System and Running Environment)
- OpenCart 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
# OpenCart Upgrade
The following upgrade steps are a simplification of the official upgrade documentation:
- Backup OpenCart source code and database, and download them to local computer
- Download (opens new window) the latest version of OpenCart and unzip it
- Use SFTP to log in Server, upload latest OpenCart source code and cover the old
- Upload the
config.php
andadmin/config.php
in the OpenCart root directory of backup to Server
- Visit http://域名/install to start upgrade
- Upgrading successfully
More upgrade details please refer to: OpenCart Upgrading (opens new window)
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