title: “Update CoreOS”
date: 2016-03-24T13:45:37
slug: update-coreos

vi /etc/coreos/update.conf

and add after the line “GROUP=”

SERVER=https://customer.update.core-os.net/v1/update/

systemctl restart update-engine

Force Update in Background

$ update\_engine\_client -check\_for\_update
[0123/220706:INFO:update\_engine\_client.cc(245)] Initiating update check and install.

Force Update in Foreground

If you want to see what’s going on behind the scenes, you can watch the ouput in the foreground:

$ update\_engine\_client -update
[0123/222449:INFO:update\_engine\_client.cc(245)] Initiating update check and install.
[0123/222449:INFO:update\_engine\_client.cc(250)] Waiting for update to complete.
LAST\_CHECKED\_TIME=0
PROGRESS=0.000000
CURRENT\_OP=UPDATE\_STATUS\_IDLE
NEW\_VERSION=0.0.0.0
NEW\_SIZE=0
[0123/222454:ERROR:update\_engine\_client.cc(189)] Update failed.

Be aware that the “failed update” means that there isn’t a newer version to install.