Tips & Tricks

From Unixshell# community wiki

• Is your server well-behaving?

• Using dash instead of bash

• Dealing with SSH scans

• Port knocking using knockd

• Free DNS hosting at everydns.net

• modprobe: Can't open dependencies file /lib/modules/x.x.x-xen/modules.dep (No such file or directory)

• Getting top to work correctly

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