Created
August 17, 2025 11:15
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Upgrade LXC Debian 12 to 13 (copy/paste solution)
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| #!/bin/bash | |
| # Update source from bookworm to trixie | |
| sed -i 's/bookworm/trixie/g' /etc/apt/sources.list | |
| apt-get update | |
| # Upgrade to trixie | |
| DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confold" dist-upgrade -y | |
| # Disable services that break in LXC / containers (harmless if not present) | |
| systemctl disable --now systemd-networkd-wait-online.service || true | |
| systemctl disable --now systemd-networkd.service || true | |
| systemctl disable --now ifupdown-wait-online || true | |
| # Install ifupdown2 (better networking stack for LXC/VMs) | |
| apt-get install -y ifupdown2 | |
| # Cleanup | |
| apt-get autoremove --purge -y | |
| apt-get clean | |
| reboot |
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Thank you for the script. I added a check before the upgrade because I have some containers that are not debian, it's in here