** Description changed:

  Sysstat has changed the default compression from bzip2 to xz but the packages 
is lack of depend of the xz-utils.
  This causes the daily cronjob to fail with:
  
  /etc/cron.daily/sysstat:
  xargs: xz: No such file or directory
  
  This has been fixed in the Debian package by depending on the correct 
compression package.
  
https://anonscm.debian.org/cgit/users/robert/sysstat.git/commit/?id=a3cb350b63d3fd819d86e1f865589e5b2b73d393
  
  Attaching a patch which will do the same for Ubuntu.
  
- 
  # lsb_release -rd
  Description:    Ubuntu 16.04 LTS
  Release:        16.04
  
  # apt-cache policy sysstat
  sysstat:
-   Installed: 11.2.0-1
-   Candidate: 11.2.0-1
-   Version table:
-  *** 11.2.0-1 500
-         500 http://linux-sua.it.su.se/xenial/ubuntu xenial/main amd64 Packages
-         100 /var/lib/dpkg/status
+   Installed: 11.2.0-1
+   Candidate: 11.2.0-1
+   Version table:
+  *** 11.2.0-1 500
+         500 http://linux-sua.it.su.se/xenial/ubuntu xenial/main amd64 Packages
+         100 /var/lib/dpkg/status
+ 
+ [Test Case]
+ * Install the sysstat package
+ * Enable that sadc collect system activity informations.
+ * Wait until /etc/cron.daily/sysstat has run.
+ * Expect mail to you root account with "xargs: xz: No such file or directory"
+ 
+ [Regression Potential]
+ I don't think there is any risks with this fix. 
+ Since bzip2 is more widely used then xz I think bzip2 still will installed on 
the machine. So if someone have changed the default compression from xz to 
bzip2 the daily job still should succeed.

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https://bugs.launchpad.net/bugs/1578160

Title:
  /etc/cron.daily/sysstat: xargs: xz: No such file or directory

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