What to Do If Your Update to Ubuntu 18.04 Gets Stuck
2018-09-03 17:36 (6 years ago)
ytyng
sudo do-release-upgrade...
Setting up libnih1:amd64 (1.0.3-6ubuntu2) ...If it freezes here
Open another terminal or something and restart the system.
(Just in case, check top to see if there are any running processes)
$ sudo rebootAfter rebooting,
$ sudo apt updateWhen you try this
Err:1 http://security.ubuntu.com/ubuntu bionic-security InRelease
Temporary failure resolving 'security.ubuntu.com'
Err:2 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic InRelease
Temporary failure resolving 'ap-northeast-1.ec2.archive.ubuntu.com'
Err:3 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-updates InRelease
Temporary failure resolving 'ap-northeast-1.ec2.archive.ubuntu.com'
Err:4 http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu bionic-backports InRelease
Temporary failure resolving 'ap-northeast-1.ec2.archive.ubuntu.com'
Reading package lists... Done
Building dependency tree
Reading state information... Done
257 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: Failed to fetch http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu/dists/bionic/InRelease Temporary failure resolving 'ap-northeast-1.ec2.archive.ubuntu.com'
W: Failed to fetch http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease Temporary failure resolving 'ap-northeast-1.ec2.archive.ubuntu.com'
W: Failed to fetch http://ap-northeast-1.ec2.archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease Temporary failure resolving 'ap-northeast-1.ec2.archive.ubuntu.com'
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease Temporary failure resolving 'security.ubuntu.com'
W: Some index files failed to download. They have been ignored, or old ones used instead.Since such an error appeared
sudo dpkg --configure -a
sudo apt --fix-broken install
sudo apt upgrade -yIf errors occur, error handling commands are often displayed, so read them carefully and
sudo apt update -y; sudo apt upgrade -y;Make sure no errors are displayed, and once the errors are gone
sudo rebootPitfall
If you are using venv linked to Python 3.5 -> Python 3.6, it will break. Since it's an opportunity, you should recreate the venv with Python 3.6.
python3.6 -m venv venvWhen installing MySQL 5.7, there might be a conflict, and mysql-server may not be installed.
Errors were encountered while processing: mysql-server-5.7 mysql-server Error in function:
*** Send problem report to the developers?
After the problem report has been sent, please fill out the form in the automatically opened web browser.
What would you like to do? Your options are: S: Send report (389.0 KB) V: View report K: Keep report file for sending later or copying to somewhere else I: Cancel and ignore future crashes of this program version C: Cancel
After cancelling, remove it temporarily
sudo apt remove mysql-serverIt might be easier to reinstall after the upgrade is complete. Be sure to back up the DB just in case.
sudo apt install mysql-server
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