lastb: add page (#2645)

pages/linux/lastb.md

@@ -0,0 +1,23 @@
+# lastb
+
+> Show a listing of last logged in users.
+
+- Show a list of all last logged in users:
+
+`sudo lastb`
+
+- Show a list of all last logged in users since a given time:
+
+`sudo lastb --since {{YYYY-MM-DD}}`
+
+- Show a list of all last logged in users until a given time:
+
+`sudo lastb --until {{YYYY-MM-DD}}`
+
+- Show a list of all logged in users at a specific time:
+
+`sudo lastb --present {{hh:mm}}`
+
+- Show a list of all last logged in users and translate the IP into a hostname:
+
+`sudo lastb --dns`