# 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 Jenkins maintenance, focus on the following two Update & Upgrade jobs

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

# System Update

Run an update command to complete the system update:

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

#For Centos&Redhat
yum update -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

# Jenkins Upgrade

Jenkins recommended upgrade scheme:

  1. Login enkins, If the current version is not the latest stable version, a prompt will appear in the warning bar in the upper right corne

  2. Click warning and select auto upgrade on the pop-up page

  3. Wait on the upgrade page until the auto upgrade is complete

  4. Restart jenkins service, Jenkins has been updated to the latest stable version