Scary Ubuntu incident

Sun Jan 20 16:40:39 UTC 2019

Hello Ubuntu Technical Support
Ubuntu died on me today while it was doing nothing for me.
The sidebar with all my apps , active and inactive, was still shown but
no "Activities" icon at top left.
None of the apps could do anything and the "Show Apps" grid at bottom
left flashed icons on the screen that went blank.
I tried to shut down but the power light on my PC box kept flashing.
Pressing it reverted to the same display of the sidebar with apps.
Finally I disconnected the mains power and then restarted. That worked
OK so I opened system log files and copied parts to gedit.
I have saved syslog and dpkg.log but they are big and I don't know what
may be relevant. 
Please check the strange time stamp sequence in the auth.log below.
Is there anything I need to do to secure my data and system software?
Thanks for your attention. Chas (old retired
user)********************************************Auth.log
Jan 20 12:17:01 Charles-PC CRON[3581]: pam_unix(cron:session): session
opened for user root by (uid=0)Jan 20 12:17:01 Charles-PC CRON[3581]:
pam_unix(cron:session): session closed for user rootJan 20 13:17:01
Charles-PC CRON[4154]: pam_unix(cron:session): session opened for user
root by (uid=0)Jan 20 13:17:01 Charles-PC CRON[4154]:
pam_unix(cron:session): session closed for user rootJan 20 14:17:02
Charles-PC CRON[4521]: pam_unix(cron:session): session opened for user
root by (uid=0)Jan 20 14:17:02 Charles-PC CRON[4521]:
pam_unix(cron:session): session closed for user rootJan 20 15:17:01
Charles-PC CRON[5119]: pam_unix(cron:session): session opened for user
root by (uid=0)Jan 20 15:17:01 Charles-PC CRON[5119]:
pam_unix(cron:session): session closed for user rootJan 20 15:50:17
Charles-PC systemd-logind[915]: Operation 'sleep' finished.Jan 20
15:53:15 Charles-PC systemd-logind[915]: Operation 'sleep' finished.Jan
20 15:57:09 Charles-PC pkexec: pam_unix(polkit-1:session): session
opened for user root by (uid=1000)Jan 20 15:57:09 Charles-PC
pkexec[7080]: chas: Executing command [USER=root] [TTY=unknown]
[CWD=/home/chas] [COMMAND=/usr/lib/update-notifier/package-system-
locked]Jan 20 15:16:40 Charles-PC systemd-logind[962]: New seat
seat0.Jan 20 15:16:40 Charles-PC systemd-logind[962]: Watching system
buttons on /dev/input/event1 (Power Button)Jan 20 15:16:40 Charles-PC
systemd-logind[962]: Watching system buttons on /dev/input/event0
(Power Button)Jan 20 15:16:40 Charles-PC systemd-logind[962]: Watching
system buttons on /dev/input/event3 (CHICONY USB Keyboard)Jan 20
15:16:48 Charles-PC gdm-launch-environment]: pam_unix(gdm-launch-
environment:session): session opened for user gdm by (uid=0)Jan 20
15:16:48 Charles-PC systemd-logind[962]: New session c1 of user gdm.Jan
20 15:16:48 Charles-PC systemd: pam_unix(systemd-user:session): session
opened for user gdm by (uid=0)Jan 20 15:16:55 Charles-PC
polkitd(authority=local): Registered Authentication Agent for unix-
session:c1 (system bus name :1.34 [/usr/bin/gnome-shell], object path
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_ZA.UTF-8)Jan 
20 15:17:01 Charles-PC CRON[1481]: pam_unix(cron:session): session
opened for user root by (uid=0)Jan 20 15:17:01 Charles-PC CRON[1481]:
pam_unix(cron:session): session closed for user rootJan 20 15:17:13
Charles-PC gdm-password]: pam_unix(gdm-password:session): session
opened for user chas by (uid=0)Jan 20 15:17:13 Charles-PC systemd:
pam_unix(systemd-user:session): session opened for user chas by
(uid=0)Jan 20 15:17:13 Charles-PC systemd-logind[962]: New session 3 of
user chas.Jan 20 15:17:18 Charles-PC dbus-daemon[970]: [system] Failed
to activate service 'org.bluez': timed out
(service_start_timeout=25000ms)Jan 20 15:17:20 Charles-PC
polkitd(authority=local): Registered Authentication Agent for unix-
session:3 (system bus name :1.162 [/usr/bin/gnome-shell], object path
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_GB.UTF-8)Jan 
20 16:07:25 Charles-PC dbus-daemon[970]: [system] Failed to activate
service 'org.bluez': timed out (service_start_timeout=25000ms)Jan 20
16:07:36 Charles-PC gnome-keyring-daemon[1518]: couldn't allocate
secure memory to keep passwords and or keys from being written to the
diskJan 20 16:07:36 Charles-PC gnome-keyring-daemon[1518]: asked to
register item /org/freedesktop/secrets/collection/login/146, but it's
already registeredJan 20 16:08:10 Charles-PC pkexec: pam_unix(polkit-
1:session): session opened for user root by (uid=1000)Jan 20 16:08:10
Charles-PC pkexec[2655]: chas: Executing command [USER=root]
[TTY=unknown] [CWD=/home/chas] [COMMAND=/usr/lib/update-
notifier/package-system-locked]************************

-- 

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irons.charles at gmail.com
Mobile   +2783 588 0028
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