Advanced ( Expert) Linux / Unix System Administrator

These tutorials assumes that you have rock solid understanding of Unix like operating systems and very comfortable with most aspects of the Unix/Linux such as networking/distributed computing environments,routing, firewalls, servers, client/server programming, and the design of consistent network-wide filesystems, load-balancers, security and much more. ( rss feed )

How do I setup jumbo frames under IBM AIX operating systems using command line tools?

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I‘d like to tell my Linux iptables firewall to flush out the current configuration every 5 minutes. This will help when I’m testing a new rules and configuration options. Some time I find myself locked out of my own remote server. How do I reset Linux firewall automatically without issuing hard reboot?

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How do I add or remove hardware device driver (module) from running Linux kernel?

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