Linux Network Monitoring Commands

Iptraf shows summer traffic based on the traffic protocol.

Linux network monitoring commands. Nload is a another simple easy to use command line tool for monitoring network traffic and bandwidth usage in real time. You can use it to check whether or not a specific ip address can be reached. Top linux process monitoring. However these need the user to login to the remote server over ssh.

The ping command is one of the most used linux network commands in network troubleshooting. Netstat linux network and statistics monitoring tool netstat command displays network connections routing tables interface statistics masquerade connections and multicast memberships. The ping command works by sending an icmp echo request to check the network connectivity. Check network connectivity using the ping command.

Linux find the memory used by a program process using pmap command. Nmon short for nigel s monitor is a popular open source tool to monitor linux system performance. Ss network statistics. Next on the list of linux network traffic monitoring commands is tcptrack command.

Linux top command is a performance monitoring program which is used frequently by many system administrators to monitor linux performance and it is available under many linux unix like operating systems. Iptraf gives detailed information as compare to iftop s command. Linux command line monitoring. Iftop display bandwidth usage install iftop in linux yum install epel release on rhel centos yum install iftop apt install iftop on debian ubuntu 3.

Netstat tulpn netstat nat 12. This command is quite similar to iftop command. Though this list accounts for both open source and closed source products it focuses on linux based network monitoring tools. Nload displays network usage.

Nmon watches the performance information for several subsystems such as processor utilization memory utilization run queue information disk i o statistics network i o statistics paging activity and process metrics. It uses graphs to help you monitor inbound and outbound traffic. Monitoring of network traffic in linux using iptraf command. Than to start monitoring the network run the following command 2 tcptrack command.

A handful of common tools only operate on windows pandora or other systems but most network monitoring tools run on linux systems since linux with its higher degree of user input and easily recodeable security bugs is often the choice for it specialists who wish. Nethogs is an open source network monitoring software similar to linux top command but a small net top tool which helps you to monitor linux network traffic and bandwidth not breaking the traffic down per subnet or protocol rather grouping it by the network bandwidth process. This network monitoring software is helpful to find out which. Tcptrack captures packets calculate network bandwidth for each tcp connection it used pcap library to do so.

It shows the summer in its output for tcp udp icmp ip traffic. Ntop and darkstat are some of the basic web based network monitoring tools available for linux.