zero out more things

Author: darora

ansible/vars.yml

@@ -10,7 +10,7 @@ postgres_major:
 # Full version strings for each major version
 postgres_release:
   postgresorioledb-17: "17.5.1.009-orioledb"
-  postgres17: "17.4.1.067-rc.1"
+  postgres17: "17.4.1.067-rc.2"
   postgres15: "15.8.1.123"
 
 # Non Postgres Extensions

scripts/90-cleanup-qemu.sh

@@ -72,6 +72,9 @@ rm -rf /tmp/* /var/tmp/*
 history -c
 cat /dev/null > /root/.bash_history
 unset HISTFILE
+
+journalctl --rotate
+journalctl --vacuum-time=1s
 find /var/log -mtime -1 -type f -exec truncate -s 0 {} \;
 rm -rf /var/log/*.gz /var/log/*.[0-9] /var/log/*-????????
 rm -rf /var/lib/cloud/instances/*
@@ -81,4 +84,14 @@ chmod 600 /etc/ssh/revoked_keys
 
 cat /dev/null > /var/log/lastlog
 cat /dev/null > /var/log/wtmp
+
+dd if=/dev/zero of=/zerofile &
+  PID=$!
+  while [ -d /proc/$PID ]
+    do
+      printf "."
+      sleep 5
+    done
+sync; rm /zerofile; sync
+
 fstrim /