Mass-Checking SSH Connections using Parallel

Today I wanted to make sure I have SSH access to about 100 servers.
Obviously, I wasn't going to verify the list by hand, so I put all of the servers' names in a file, and wrote this little script:

for NAME in $(cat ~/Desktop/server-names)
do
        echo -n "$NAME …
more ...

Fixing Dynamic DNS on Gargoyle

Note: I switched to inadyn on my home server eventually. I left this article because it's still relevant

I was digging through the logs of my latest Gargoyle installation (a router firmware based on OpenWrt, with a better UI in my opinion), and found out that Dynamic DNS updates were …

more ...