Update cheatsheets

linux/lastb

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lastb
+
+> List last logged in users.
+> More information: <https://manned.org/lastb>.
+
+- List last logged in users:
+
+`sudo lastb`
+
+- List all last logged in users since a given time:
+
+`sudo lastb --since {{YYYY-MM-DD}}`
+
+- List all last logged in users until a given time:
+
+`sudo lastb --until {{YYYY-MM-DD}}`
+
+- List all logged in users at a specific time:
+
+`sudo lastb --present {{hh:mm}}`
+
+- List all last logged in users and translate the IP into a hostname:
+
+`sudo lastb --dns`