/lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.28' not found

yubiuser · September 3, 2022, 9:26am

glibc 2.28 requirement breaks compatibility with Ubuntu 18.04 LTS

opened 08:45AM - 03 Sep 22 UTC

closed 08:08AM - 18 Oct 22 UTC

Breaking change

### Versions - Pi-hole: 5.12 - AdminLTE: 5.14.1 - FTL: 5.17 ### Platf…orm - OS and version: Ubuntu 18.04.6 LTS (GNU/Linux 4.15.0-122-generic x86_64) - Platform: Intel NUC ### Expected behavior FTL loads. ### Actual behavior / bug FTL crashes on load: pihole-FTL: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.28' not found (required by pihole-FTL) ### Steps to reproduce Steps to reproduce the behavior: 1. Attempt to start: `sudo service pihole-FTL start` 2. Check `systemctl status pihole-FTL.service`: ```● pihole-FTL.service - LSB: pihole-FTL daemon Loaded: loaded (/etc/init.d/pihole-FTL; generated) Active: failed (Result: exit-code) since Sat 2022-09-03 08:42:31 UTC; 19s ago Docs: man:systemd-sysv-generator(8) Process: 3601 ExecStart=/etc/init.d/pihole-FTL start (code=exited, status=1/FAILURE) Sep 03 08:42:31 nuc systemd[1]: Starting LSB: pihole-FTL daemon... Sep 03 08:42:31 nuc pihole-FTL[3601]: Not running Sep 03 08:42:31 nuc su[3637]: Successful su for pihole by root Sep 03 08:42:31 nuc su[3637]: + ??? root:pihole Sep 03 08:42:31 nuc su[3637]: pam_unix(su:session): session opened for user pihole by (uid=0) Sep 03 08:42:31 nuc pihole-FTL[3601]: /usr/bin/pihole-FTL: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.28' not found (r Sep 03 08:42:31 nuc su[3637]: pam_unix(su:session): session closed for user pihole Sep 03 08:42:31 nuc systemd[1]: pihole-FTL.service: Control process exited, code=exited status=1 Sep 03 08:42:31 nuc systemd[1]: pihole-FTL.service: Failed with result 'exit-code'. Sep 03 08:42:31 nuc systemd[1]: Failed to start LSB: pihole-FTL daemon. ``` ## Debug Token - URL: https://tricorder.pi-hole.net/75lSJdql/ ### Additional context It looks like the update to glibc 2.28 breaks compatibility with Ubuntu 18.04 LTS (EOL 2028). `ldd --version`: ``` ldd (Ubuntu GLIBC 2.27-3ubuntu1.6) 2.27 Copyright (C) 2018 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Written by Roland McGrath and Ulrich Drepper. ``` I have read that I need to do a full upgrade to fix this, but this may cause breaking changes with other services on this server.