When you need to troubleshoot a network service, the first step is to ensure that the service is running. If the service has an initialization (init) script installed, you can use the service command to start, stop, and check the status of the service. T
Description: Nmap, short for Network Mapper, is a versatile network scanning tool used to discover open ports, identify services running on Remote Access, and assess network security. Usage: Nmap is particularly handy for port scanning and comprehensive network reconnaissance. Ready to become an Nmap...
Whether you are using Linux as a server or desktop, knowing open ports or ports in use can be helpful in a variety of situations. For example, if you are running an Apache or Ngnix based web server, the port in use should be 80 or 443. Checking the ports will confirm that. Similarly...
This command narrows down the output to only display information about the specified process, making it easier to determine how long it has been running. Get Process Running Time in Linux 2. top Command For a more user-friendly and interactive process monitoring experience, you can use thetop ...
In this tutorial, we’ll study Linux commands to check if the server is up and running. First, we’ll achieve that using the ping command. Then, we’ll focus on the nc tool. After that, we’ll discuss the wget command. Finally, we’ll learn the curl command to see if the server...
Check Running Process in Linux As a system administrator, you might need to check all the processes that are consuming your computer's resources. To get the list of all the running processes, run theps commandwithauxargument flags in the following fashion: ...
When viewing the open/listening ports and connections, its often useful to know the process name/pid which has opened that port or connection. For example the Apache httpd server opens port 80. So if you want to check whether any http server is running or not, or which http server is ...
set daemon 10 set alert me.mylastname@coorp.com set httpd port 2812 and use address localhost allow localhost allow admin:Monit check file config.yaml with path /home/mydir/config.yaml if changed checksum then alert When running "monit restart all" I get an error ...
Let’s take the example of port 3306 and see what services are running here: $ sudo fuser 3306/tcp This provides us with the process numbers using this port. You can use this process number to find the corresponding process names. For example, if the process number is 15809, the command...
Running netstat without any options displays all open sockets and network connections. While this checks if a port is open in Linux, it can generate a lot of output. You can control the output using netstat’s command-line options. For example, to view the PID and program name for a syst...