Add system-basics role

- set time zone
- limit journal size
- set vim as editor
- limit ssh login to pubkey

roles/system-basics/handlers/main.json

@@ -0,0 +1,17 @@
+[
+	{
+		"name": "restart sshd",
+		"service": {
+			"name": "sshd",
+			"state": "restarted"
+		}
+	},
+	{
+		"name": "restart journal",
+		"service": {
+			"name": "systemd-journald",
+			"state": "restarted",
+			"enabled": "yes"
+		}
+	}
+]

roles/system-basics/tasks/main.json

@@ -0,0 +1,33 @@
+[
+	{
+		"name": "Set timezone to Berlin",
+		"community.general.timezone": {
+			"name": "Europe/Berlin"
+		}
+	},
+	{
+		"name": "Limit syslogs",
+		"lineinfile": {
+			"dest": "/etc/systemd/journald.conf",
+			"regexp": "^#?\\s*SystemMaxFileSize",
+			"line": "SystemMaxFileSize=2G"
+		},
+		"notify": "restart journal"
+	},
+	{
+		"name": "Set vim as default editor",
+		"alternatives": {
+			"name": "editor",
+			"path": "/usr/bin/vim.basic"
+		}
+	},
+	{
+		"name": "Disable root login without key",
+		"lineinfile": {
+			"dest": "/etc/ssh/sshd_config",
+			"regexp": "^#?PermitRootLogin ",
+			"line": "PermitRootLogin without-password"
+		},
+		"notify": "restart sshd"
+	}
+]