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

I'm running Centos, I've updated Centos, so as far as I can tell, it's 'up to date', this command says:

ldd --version

ldd (GNU libc) 2.17

so, does that tell me this centos is no longer compatible, and, I'm stuck with current version of pihole I have and, shouldn't try to update anymore ?

OR, can I run the update for core and web i/f ?

pihole was running fine before, then, pihole update failed as in this thread, and, I've 'rectified' as in this thread, so just wanted to ask as not to stuff it up...

pihole -up

[✓] EPEL repository already installed
[✓] Checking for git
[✓] Checking for dialog
[✓] Checking for iproute
[✓] Checking for newt
[✓] Checking for procps-ng
[✓] Checking for which
[✓] Checking for chkconfig
[✓] Checking for ca-certificates

[i] Checking for updates...
[i] Pi-hole Core: update available
[i] Web Interface: update available
[i] FTL: up to date
[i] Warning: You are using FTL from a custom branch (v5.16.3) and might be missing future releases.

[i] Pi-hole core files out of date, updating local repo.
[✓] Check for existing repository in /etc/.pihole
[i] Update repo in /etc/.pihole...HEAD is now at d88629e v5.12.2 (#4922)

currently have:

  • Pi-hole [v5.12]
  • FTL [v5.16.3]
  • Web Interface [v5.14.2]

thanks for any pointers and help.

Which release of centos?

oops, sorry, forgot to include:

Operating System: CentOS Linux 7 (Core)
CPE OS Name: cpe:/o:centos:centos:7
Kernel: Linux 3.10.0-1160.76.1.el7.centos.plus.x86_64
Architecture: x86-64

(meanwhile, I've pulled out of drawer Pi4 B that's doing nothing - and, will have that running hopefully soon)

That is an unsupported version of CentOS. You need to upgrade to CentOS 8.

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