Ubuntu 18.04

Troubleshooting Upgrade 16.04 to 18.04

Printer does not working

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sudo rmdir /usr/share/ghostscript/9.25/iccprofiles
sudo apt-get install --reinstall libgs9-common

Clear Systemd journal Log

  • location

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    /var/log/journal

  • Clear journal with size, age

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journalctl --vacuum-time=7d
journalctl --vacuum-size=50M