Just another motivation to skip the site file on emacs addon package installations
1. A software/configuration roll out has been issued. 2. Per site file „Company Mode“ has been enabled per default in our organisational site file. 3. „apt-get“ step is running and find the missing dependency for elpa- company > Setting up elpa-company (0.8.12-4) ... … > Symbol's function definition is void: global-company-mode > Saving file /root/.breadcrumb... > Wrote /root/.breadcrumb > Wrote /root/.emacs.d/ac-comphist.dat > Saving file /root/.emacs.d/recentf... > Wrote /root/.emacs.d/recentf > ERROR: install script from elpa-company package failed > dpkg: error processing package elpa-company (--configure): > subprocess installed post-installation script returned error exit status 1 … > Setting up elpa-systemd (1.6-1~ubuntu16.04.1~c42.ppa1) ... Same Error as above – and also for all further emacs related addons. Mitigated by temporarly remove our organisational site file,.