@@ -223,6 +223,7 @@ performance of any of your sites from across the globe.
:small_orange_diamond: Emerald Onion - Seattle-based encrypted-transit internet service provider.
+ :small_orange_diamond: unbound - validating, recursive, and caching DNS resolver (with TLS).
#### Lists
@@ -518,6 +519,33 @@ tail -10000 access_log | awk '{print $1}' | sort | uniq -c | sort -n | tail
___
+##### Tool: [tar](https://en.wikipedia.org/wiki/Tar_(computing))
+
+###### System backup with exclude specific directories
+
+```bash
+tar -czvpf /mnt/system$(date +%d%m%Y%s).tgz --directory=/ --exclude=proc/* --exclude=sys/* --exclude=dev/* --exclude=mnt/* .
+```
+
+___
+
+##### Tool: [dump](https://en.wikipedia.org/wiki/Dump_(program))
+
+###### System backup to file
+
+```bash
+dump -y -u -f /backup/system$(date +%d%m%Y%s).lzo /
+```
+
+###### Restore system from lzo file
+
+```bash
+cd /
+restore -rf /backup/system$(date +%d%m%Y%s).lzo
+```
+
+___
+
##### Tool: [cpulimit](http://cpulimit.sourceforge.net/)
###### Limit the cpu usage of a process
-