Keep systemd service file the same after apt upgrade
59986
How do I override or configure systemd services?
73361
After upgrade to Jessie, service control doesn't return result
68584
On system restore, will I lose my software updates?
89639
How do I modify my PATH so that the changes are available in every Terminal session
35146
Will apt-get dist-upgrade upgrade my system to newer version?
1687
How to revert software sources back to default?
34384
How to keep upstart installed-always, don't be replaced by sysvinit?
50228
Can systemd 'adopt' or 'inherit' a process or cgroup?
63101
How to set environment variable in systemd service?
131490
How do I save Updates/Installed Packages?
56291
How can I replace upstart with systemd?
95880
How to keep my Debian system with the latest packages?
114730
Apply the latest Service Pack and Cumulative Update
126382
Where does aptitude store files during an upgrade?
80900
How to write startup script for Systemd?
113105
What is the correct substitute for rc.local in systemd instead of re-creating rc.local
144843
Linux: how to restore config file using apt-get/aptitude?