Preparing to unpack .../0-bacula-common_9.4.2-2ubuntu3_amd64.deb ...
Adding user 'bacula'... Ok.
Unpacking bacula-common (9.4.2-2ubuntu3) ...
Selecting previously unselected package mtx.
Preparing to unpack .../1-mtx_1.3.12-12_amd64.deb ...
Unpacking mtx (1.3.12-12) ...
Selecting previously unselected package bacula-sd.
Preparing to unpack .../2-bacula-sd_9.4.2-2ubuntu3_amd64.deb ...
Unpacking bacula-sd (9.4.2-2ubuntu3) ...
Selecting previously unselected package bacula-common-sqlite3.
Preparing to unpack .../3-bacula-common-sqlite3_9.4.2-2ubuntu3_amd64.deb ...
Unpacking bacula-common-sqlite3 (9.4.2-2ubuntu3) ...
Selecting previously unselected package bacula-bscan.
Preparing to unpack .../4-bacula-bscan_9.4.2-2ubuntu3_amd64.deb ...
Unpacking bacula-bscan (9.4.2-2ubuntu3) ...
Selecting previously unselected package mt-st.
Preparing to unpack .../5-mt-st_1.3-2_amd64.deb ...
Unpacking mt-st (1.3-2) ...
Setting up mtx (1.3.12-12) ...
Setting up bacula-common (9.4.2-2ubuntu3) ...
Setting up bacula-sd (9.4.2-2ubuntu3) ...

Creating config file /etc/default/bacula-sd with new version
/var/lib/dpkg/info/bacula-sd.postinst: 20: cannot create /tmp/bacula-sd.conf.ucftmp-0uInv5Rz4p: Permission denied
dpkg: error processing package bacula-sd (--configure):
 installed bacula-sd package post-installation script subprocess returned error exit status 2