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catchsudheera/gist:68bcb4747e7e4127cd1162112791c99e

Created December 31, 2024 12:00
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Upgrade ubuntu server from EOL version "Lunar" to latest
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gistfile1.txt
sudo sed -i 's|http://ports.ubuntu.com/ubuntu-ports|http://old-releases.ubuntu.com/ubuntu|g' /etc/apt/sources.list
sudo apt update && sudo apt upgrade -y
sudo sed -i 's|lunar|mantic|g' /etc/apt/sources.list
sudo apt update && sudo apt upgrade -y
# Had to fix the installs for libc6
sudo apt --fix-broken install
sudo apt dist-upgrade
# use `cat /etc/os-release` to ensure you have upgraded to mantic at this point
# reboot the system
sudo do-release-upgrade
@kohenkatz
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kohenkatz commented Aug 13, 2025

I had to change the first line as shown below, but then it worked perfectly. Thank you for figuring this out!

sudo sed -i 's|http://us.archive.ubuntu.com/ubuntu|http://old-releases.ubuntu.com/ubuntu|g' /etc/apt/sources.list

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