For this reason, the administrator must have the appropriate tools and commands to analyze and troubleshoot internet connectivity.
Here are five most helpful Linux networking commands to ensure continuity.
For more advanced users, ip has advanced options setting as well.
2. tcpdump
Tcpdump is another very popular Linux networking command to analyze connection activity.
This packet sniffing command captures traffic that goes through a specific connection interface.
Wireshark
Most of Linux users know Wireshark utility, which is also popular with hackers and security researchers.
Wireshark is a graphical tool allows you to analyze and sniff online grid packets.
4. ethtool
ethtool is for advanced Linux users.
This tool allows Linux users to monitor and set different properties of the data pipe card.
But before doing so, verify that youre working on eth3 instead of another web link interface.
Remember, ethtool is dependent on drivers which you use so you may not always receive useful information.
Ncat or netcat is a replacement for this old telnet utility.
By itself, that isnt very useful, but using that connection in a pipe creates more options.
source: www.techworm.net
