netstat -l
netstat -a
For Windows and Linux use the - netstat -a command, for this Macintosh I use the whois connected widget.
That would depend on what you want to protect Linux from. Ports are closed by default, so there is little need for a firewall. There are several anti-virus products available for Linux, but as there are very few Linux viruses, and no currently effective ones, they are only helpful in removing Windows viruses.
There can be a maximum of 65535 ports on any computer system. To find out which ones are in use, use the 'netstat' command.
netstat - input will give a list of all ports in use on a machine with the service running on that port.
The serial ports are named ttyS0, ttyS1, etc
Linux is not an operating system by itself. Just like you cannot install Windows you have to install Windows XP or Windows Vista. You can use the website in related links to find a list of active Linux Distributions. If I could recommend one I would recommend Linux Mint because it is easy to use.
type on a Linux terminal: ifconfig Note: it is ipconfig in Windows.
There have been a few that did over the years. It's rare to find ones that do; you just have to search for them. Hopefully that will change in the future. Linux needs better driver support, and the of course the game developers have to dedicate time and money to making Linux ports.
Port scannerAnswer Explanation: To help assess vulnerabilities relating to a network's security, use a port scanner. Port scanners are used to look for open ports on a network host. Port scanners can detect computer network services that a remotely located system is providing.
There are many places where one can find the Administration of Linux online. One can find the Administration of Linux online at popular on the web sources such as the official Linux website, Linux Journal, and Tech Republic.
In terminal use the following command. php -ver