Hi,

I am getting the following errors when I try and upgrade. The folloeing is the out put from updating.

qeriyo@qeriyo:~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up amavisd-new (1:2.11.0-6.1ubuntu1) ...
Creating/updating amavis user account...
Job for amavis.service failed because the control process exited with error code.
See "systemctl status amavis.service" and "journalctl -xe" for details.
invoke-rc.d: initscript amavis, action "start" failed.
● amavis.service - LSB: Starts amavisd-new mailfilter
Loaded: loaded (/etc/init.d/amavis; generated)
Active: failed (Result: exit-code) since Wed 2021-10-20 12:45:52 PST; 5ms ago
Docs: man:systemd-sysv-generator(8)
Process: 18038 ExecStart=/etc/init.d/amavis start (code=exited, status=1/FAILURE)

Oct 20 12:45:52 qeriyo amavis[18075]: head: cannot open '/etc/mailname' for reading: No such file or directory
Oct 20 12:45:52 qeriyo amavis[18066]: The value of variable $myhostname is "qeriyo", but should have been
Oct 20 12:45:52 qeriyo amavis[18066]: a fully qualified domain name; perhaps uname(3) did not provide such.
Oct 20 12:45:52 qeriyo amavis[18066]: You must explicitly assign a FQDN of this host to variable $myhostname
Oct 20 12:45:52 qeriyo amavis[18066]: in /etc/amavis/conf.d/05-node_id, or fix what uname(3) provides as a host's
Oct 20 12:45:52 qeriyo amavis[18066]: network name!
Oct 20 12:45:52 qeriyo amavis[18038]: (failed).
Oct 20 12:45:52 qeriyo systemd[1]: amavis.service: Control process exited, code=exited, status=1/FAILURE
Oct 20 12:45:52 qeriyo systemd[1]: amavis.service: Failed with result 'exit-code'.
Oct 20 12:45:52 qeriyo systemd[1]: Failed to start LSB: Starts amavisd-new mailfilter.
dpkg: error processing package amavisd-new (--configure):
installed amavisd-new package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of amavisd-milter:
amavisd-milter depends on amavisd-new; however:
Package amavisd-new is not configured yet.

dpkg: error processing package amavisd-milter (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of amavisd-milter-dbgsym:
amavisd-milter-dbgsym depends on amavisd-milter (= 1.5.0-5); however:
Package amavisd-milter is not configured yet.

dpkg: error processing package amavisd-milter-dbgsym (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
amavisd-new
amavisd-milter
amavisd-milter-dbgsym
E: Sub-process /usr/bin/dpkg returned an error code (1)
qeriyo@qeriyo:~$ /etc/amavis/conf.d/05-node_id
bash: /etc/amavis/conf.d/05-node_id: Permission denied
qeriyo@qeriyo:~$ sudo /etc/amavis/conf.d/05-node_id
sudo: /etc/amavis/conf.d/05-node_id: command not found
qeriyo@qeriyo:~$ sudo apt-get upgrade zentyal
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package zentyal
qeriyo@qeriyo:~$ sudo apt-get install zentyal
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package zentyal
qeriyo@qeriyo:~$ dpkg --configure -a
dpkg: error: requested operation requires superuser privilege
qeriyo@qeriyo:~$ sudo dpkg --configure -a
Setting up amavisd-new (1:2.11.0-6.1ubuntu1) ...
Creating/updating amavis user account...
Job for amavis.service failed because the control process exited with error code.
See "systemctl status amavis.service" and "journalctl -xe" for details.
invoke-rc.d: initscript amavis, action "start" failed.
● amavis.service - LSB: Starts amavisd-new mailfilter
Loaded: loaded (/etc/init.d/amavis; generated)
Active: failed (Result: exit-code) since Wed 2021-10-20 13:06:20 PST; 6ms ago
Docs: man:systemd-sysv-generator(8)
Process: 20381 ExecStart=/etc/init.d/amavis start (code=exited, status=1/FAILURE)

Oct 20 13:06:19 qeriyo amavis[20400]: head: cannot open '/etc/mailname' for reading: No such file or directory
Oct 20 13:06:20 qeriyo amavis[20395]: The value of variable $myhostname is "qeriyo", but should have been
Oct 20 13:06:20 qeriyo amavis[20395]: a fully qualified domain name; perhaps uname(3) did not provide such.
Oct 20 13:06:20 qeriyo amavis[20395]: You must explicitly assign a FQDN of this host to variable $myhostname
Oct 20 13:06:20 qeriyo amavis[20395]: in /etc/amavis/conf.d/05-node_id, or fix what uname(3) provides as a host's
Oct 20 13:06:20 qeriyo amavis[20395]: network name!
Oct 20 13:06:20 qeriyo amavis[20381]: (failed).
Oct 20 13:06:20 qeriyo systemd[1]: amavis.service: Control process exited, code=exited, status=1/FAILURE
Oct 20 13:06:20 qeriyo systemd[1]: amavis.service: Failed with result 'exit-code'.
Oct 20 13:06:20 qeriyo systemd[1]: Failed to start LSB: Starts amavisd-new mailfilter.
dpkg: error processing package amavisd-new (--configure):
installed amavisd-new package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of amavisd-milter:
amavisd-milter depends on amavisd-new; however:
Package amavisd-new is not configured yet.

dpkg: error processing package amavisd-milter (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of amavisd-milter-dbgsym:
amavisd-milter-dbgsym depends on amavisd-milter (= 1.5.0-5); however:
Package amavisd-milter is not configured yet.

dpkg: error processing package amavisd-milter-dbgsym (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
amavisd-new
amavisd-milterroblem
amavisd-milter-dbgsym
qeriyo@qeriyo:~$

I have google this problem and tried several ways to fix this, but nothing seems to work.

Thanks in advance for your help.

Hi, and welcome here, at LQ
did you try to create that missing file? https://wiki.debian.org/EtcMailName

Thank you.