Merge branch 'system'

Makefile

@@ -4,6 +4,7 @@ help: # Print help on Makefile
 	expand -t20
 
 clean: # Remove files not tracked in source control
+	find . -type f -name "*.retry" -delete
 	find . -type f -name "*.orig" -delete
 
 open_all: # Open all projects files

README.md

@@ -19,7 +19,7 @@ Suitable for server and workstation.
 | [`become_user_cfg.yml`](tasks/become_user_cfg.yml)    |   Set `sudo` without password for `become_user` access                |
 | [`host_info.yml`](tasks/host_info.yml)                |   Return message with distribution full name & version                |
 | [`shutdown.yml`](tasks/shutdown.yml)                  |   Shutdown target in 5 min (not if host is in production group)       |
-| [`system_cfg`](tasks/system_cfg/main.yml)             |   Configure  `root`, firewall, NTP, LDP & `{{ my_users }}` shell      |
+| [`system_cfg`](tasks/system_cfg/main.yml)             |   Configure  `root`, firewall, NTP, LDP, `{{ my_users }}` & backups   |
 | [`user_cfg`](tasks/user_cfg/main.yml)                 |   Configure `{{ my_user }}`                                           |
 | [`whoami.yml`](tasks/whoami.yml)                      |   Return message with `ansible_user` & `become_user` (`sudo` method)  |