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title
How to Kill a Process Using a Port in Linux
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When running applications on Linux, you may find that something you're trying to launch can't because a process is already using the port that your new application needs. This is commonly the case with web applications. Another possibility is that a process has become stuck or unresponsive. This can happen for a variety of reasons, including software bugs or system crashes. In these cases, it may be necessary to kill the process in order to free up the resources it's using. One way to do this is by using the process's port number. Killing the Process If we know that we want to free up the port 8080, for example, then it'd help if we can find the process using the port number. First we'll need to find the process ID (PID) associated with the port. You can do this using the lsof command, which lists all the open files on the system. To find the PID associated with a specific port, use the -i flag to specify the port number and the -t flag to only show the PIDs: $ lsof -i :<port numb...
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