Linux Network Monitoring Commands

Nload displays network usage.

Linux network monitoring commands.

Linux find the memory used by a program process using pmap command. Top linux process monitoring. It uses graphs to help you monitor inbound and outbound traffic. Nmon short for nigel s monitor is a popular open source tool to monitor linux system performance.

Check network connectivity using the ping command. 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. 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.

Those were a few handy commands to quickly check the network bandwidth on your linux server. 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. Ss network statistics. Though this list accounts for both open source and closed source products it focuses on linux based network monitoring tools.

Monitoring of network traffic in linux using iptraf command. This network monitoring software is helpful to find out which. Netstat tulpn netstat nat 12. Linux command line monitoring.

Tcptrack captures packets calculate network bandwidth for each tcp connection it used pcap library to do so. 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. Alternatively web based monitoring tools can also be used for the same task. Next on the list of linux network traffic monitoring commands is tcptrack command.

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

The top command used to dipslay all the running and active real time processes in ordered list and updates it regularly. 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. Iptraf shows summer traffic based on the traffic protocol. Iptraf gives detailed information as compare to iftop s command.

Than to start monitoring the network run the following command 2 tcptrack command. You can use it to check whether or not a specific ip address can be reached.