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TODO: develop procedure for renaming the volume group and document here (when / is on LVM as ours normally are, this may require rebuilding the initial RAM disk, re-configuring the boot manager, editing fstab ...). Maybe useful links: https://we.riseup.net/debian/renaming-a-lvm-root-volume-group, https://bugzilla.redhat.com/show_bug.cgi?id=230190#c17 (RedHat),
Name resolution
/etc/hosts If the name change includes a domain name change and the old domain name appears in /etc/hosts for the computer then it muist be changed.
/etc/resolv.conf{,.head,.tail} If all these conditions are met ...
- The name change includes a domain name change.
- /etc/resolv.conf is either a local file or includes a local head or tail file.
- The local file(s) include a domain line.
... then the any domain line(s) in /etc/resolv.conf{,.head,.tail} may need adjusting.
Postfix
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