[Rack] Cron <root at m2> if test -x /usr/sbin/apticron; then /usr/sbin/apticron --cron; else true; fi

[Andy Isaacson]

On Fri, Jan 31, 2014 at 05:49:09AM +0000, Cron Daemon wrote:
> E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
> E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
> E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
> E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

somehow unattended-upgrade hung...

root      7419  0.0  0.0  35904  1124 ?        S    Jan28   0:00  \_ CRON
root      7426  0.0  0.0   4404   600 ?        Ss   Jan28   0:00      \_ /bin/sh -c test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
root      7427  0.0  0.0   4304   596 ?        S    Jan28   0:00          \_ run-parts --report /etc/cron.daily
root      7433  0.0  0.0   4404   656 ?        S    Jan28   0:00              \_ /bin/sh /etc/cron.daily/apt
root     10875  0.2  1.6 115756 33568 ?        SN   Jan28  10:17                  \_ /usr/bin/python /usr/bin/unattended-upgrade
root     10941  0.0  1.5 125048 31608 ?        SN   Jan28   0:19                      \_ /usr/bin/python /usr/bin/unattended-upgrade
root     10984  0.0  0.7  32064 15728 ?        SN   Jan28   0:00                          \_ /usr/bin/dpkg --status-fd 6 --unpack --auto-deconfigure /var/cache/apt/archives/muni
root     10990  0.0  0.0   4404   612 ?        SN   Jan28   0:00                              \_ /bin/sh /var/lib/dpkg/info/munin-node.prerm upgrade 1.4.6-3ubuntu3.4
root     10991  0.0  0.0   4404   608 ?        SN   Jan28   0:00                                  \_ /bin/sh /usr/sbin/invoke-rc.d munin-node stop
root     11007  0.0  0.0   4404   628 ?        SN   Jan28   0:00                                      \_ /bin/sh -e /etc/init.d/munin-node stop
root     11018  0.0  0.0  15240   664 ?        SN   Jan28   0:00                                          \_ stop munin-node

-andy