Posts tagged with sysadmin
When you don't use specific knowledge or skills, you may find that, eventually, you just forget said knowledge or skill.
Something embarrassing happened to me the other day. I was playing around with a new server on Digital Ocean and it occurred to me: I had no idea how to manage it. This is slightly awkward because I've been a sysadmin for over 10yrs, the largest part of my professional career.
Read more [ma.ttias.be]
In a new video on his awesome Servers For Hackers site Chris Fidao explains the major differences between some popular Linux flavours.
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Jens Segers wrote an interesting little article about fail2ban. This piece of software prevents unauthorized pundits from accessing your server. You'll be happy to know that is installed by default on Forge.
The first thing I do on every server is set up the firewall so that all ports except for the SSH port are blocked from incoming requests. But with the SSH port unprotected, you still want it to be protected from illegitimate access, right? This is where fail2ban comes in. Fail2ban will automatically ban IPs that show the malicious signs such as too many password failures, seeking for exploits, etc.https://jenssegers.com/82/protect-your-server-with-fail2ban
