minimal install for TU

.gitlab-ci.yml

@@ -15,7 +15,7 @@ before_script:
   - mkdir -p /usr/share/man/man7
   #- apt-get install apt-utils -yqq > /dev/null
   #- apt-get install cron -yqq > /dev/null
-  #- apt-get install tar -yqq > /dev/null
+  - apt-get install tar -yqq > /dev/null
   #- apt-get install wkhtmltopdf -yqq > /dev/null
   #- apt-get install wget -yqq > /dev/null
   #- wget https://downloads.wkhtmltopdf.org/0.12/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz