I am looking for to only sync directories structures only. How do I copy directory structure tree without copying any files under Linux or UNIX operating system to remove server or local directory?
I need to cycles through a loop forever using for or while syntax. How do I set such loop under UNIX or Linux operating systems?
How do I convert from octal to hex number using bc UNIX / Linux command line utility?
How do I block particular IP addresses or host with the iptables command under Linux?
Continue reading “Iptables Drop IP Address”
How do I find and replace (substitute) test using vi or vim text editor under UNIX / Linux / BSD or Apple OS X operating systems?
I‘m using tcpdump to dump, debug and monitor traffic on a network. However, there is lots of noise and I would like to exclude ssh from my dumps. How do I monitor all traffic except my ssh session?