IT people have certain types of jargon or words that are not really defined anywhere. “Bouncing a port” or “bouncing an interface” is one such phrase. There is no where to really look up what this means. You can search Google, but the first result I get (experts exchange) is completely wrong. “Bouncing a port”…
Finding and replacing a single string of text in all the files in a single linux directory is easy. Linux has a magical ‘sed’ command which is very powerful. To find and replace all instances of a string with another string in all files type use the sed command: sed -i — ‘s/foo/bar/g’ * Typing…
Cisco Command: switchport mode access Usage: The ‘switchport mode access’ command is used on Cisco switches to configure a switch port as an access port. This command must be used on an interface that is currently in a trunk or dynamic auto mode. Function: The ‘switchport mode access’ command sets the switch port to accept…
The CNAME ( Canonical Name record) is a DNS record which points one domain name to another. When using a CNAME you are basically telling the Internet that one domain name is simply an alias for another domain name. All traffic sent to the first domain name will go directly to the second domain name….
SSH is the secure shell protocol used to securely exchange data between to computers. SCP is the secure copy protocol used to securely copy files from one computer to another. SCP uses the SSH protocol to make this file transfer possible. The default port for SSH (and SCP) is port 22, however some system administrators…
I own a low end VPS. I use it to for development. A VPS allows be to SSH in from anywhere in the world from any computer in the world and work on my stuff. The problem is, this VPS is a very much on the low end. It costs me a couple dollars a…
