Thanks for your answer. The output is
sudo dpkg -L squid /. /usr /usr/share /usr/share/lintian /usr/share/lintian/overrides /usr/share/lintian/overrides/squid /usr/share/doc /usr/share/doc/squid /usr/share/doc/squid/examples /usr/share/doc/squid/examples/default.squid /usr/share/doc/squid/examples/squid.conf /usr/share/doc/squid/README.Debian.gz /usr/share/doc/squid/copyright /usr/share/doc/squid/NEWS.Debian.gz /usr/share/doc/squid/changelog.Debian.gz /usr/share/doc/squid/changelog.gz /usr/share/man /usr/share/man/man8 /usr/share/man/man8/squid_ldap_group.8.gz /usr/share/man/man8/squid_unix_group.8.gz /usr/share/man/man8/squid_session.8.gz /usr/share/man/man8/squid.8.gz /usr/lib /usr/lib/squid /usr/lib/squid/yp_auth /usr/lib/squid/ldap_auth /usr/lib/squid/msnt_auth /usr/lib/squid/squid_ldap_group /usr/lib/squid/pam_auth /usr/lib/squid/diskd-daemon /usr/lib/squid/logfile-daemon /usr/lib/squid/unlinkd /usr/lib/squid/ntlm_auth /usr/lib/squid/smb_auth /usr/lib/squid/ip_user_check /usr/lib/squid/squid_kerb_auth /usr/lib/squid/wbinfo_group.pl /usr/lib/squid/digest_pw_auth /usr/lib/squid/ncsa_auth /usr/lib/squid/squid_unix_group /usr/lib/squid/getpwnam_auth /usr/lib/squid/smb_auth.sh /usr/lib/squid/squid_session /usr/sbin /usr/sbin/squid /var /var/log /var/log/squid /var/spool /var/spool/squid /etc /etc/resolvconf /etc/resolvconf/update-libc.d /etc/resolvconf/update-libc.d/squid /etc/squid /etc/init.d /etc/init /etc/init/squid.conf /etc/logrotate.d /etc/logrotate.d/squid /etc/init.d/squid
As you already suspected the files are not present and I have therefore deleted them, as you suggested. Squid is booting up fine.
Thanks for your answer. The output is
sudo dpkg -L squid lintian/ overrides lintian/ overrides/ squid doc/squid doc/squid/ examples doc/squid/ examples/ default. squid doc/squid/ examples/ squid.conf doc/squid/ README. Debian. gz doc/squid/ copyright doc/squid/ NEWS.Debian. gz doc/squid/ changelog. Debian. gz doc/squid/ changelog. gz man/man8/ squid_ldap_ group.8. gz man/man8/ squid_unix_ group.8. gz man/man8/ squid_session. 8.gz man/man8/ squid.8. gz squid/yp_ auth squid/ldap_ auth squid/msnt_ auth squid/squid_ ldap_group squid/pam_ auth squid/diskd- daemon squid/logfile- daemon squid/unlinkd squid/ntlm_ auth squid/smb_ auth squid/ip_ user_check squid/squid_ kerb_auth squid/wbinfo_ group.pl squid/digest_ pw_auth squid/ncsa_ auth squid/squid_ unix_group squid/getpwnam_ auth squid/smb_ auth.sh squid/squid_ session /update- libc.d /update- libc.d/ squid squid.conf d/squid
/.
/usr
/usr/share
/usr/share/lintian
/usr/share/
/usr/share/
/usr/share/doc
/usr/share/
/usr/share/
/usr/share/
/usr/share/
/usr/share/
/usr/share/
/usr/share/
/usr/share/
/usr/share/
/usr/share/man
/usr/share/man/man8
/usr/share/
/usr/share/
/usr/share/
/usr/share/
/usr/lib
/usr/lib/squid
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/lib/
/usr/sbin
/usr/sbin/squid
/var
/var/log
/var/log/squid
/var/spool
/var/spool/squid
/etc
/etc/resolvconf
/etc/resolvconf
/etc/resolvconf
/etc/squid
/etc/init.d
/etc/init
/etc/init/
/etc/logrotate.d
/etc/logrotate.
/etc/init.d/squid
As you already suspected the files are not present and I have therefore deleted them, as you suggested. Squid is booting up fine.