3 FAQ tagged "sockets"

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Linux / UNIX Find Out What Program / Service is Listening on a Specific TCP Port
Q. How do I find out which service is listening on a specific port? How do I find out what program is listening on a specific TCP Port?
Examining the Linux / FreeBSD / UNIX filesystem with ls command
Q. I’m new to Linux and how do I examine filesystem and identify regular files or directories?
A. Both Linux and UNIX comes with ls command for examining the filesystem. You can use ls command to look at the filesystem. ls command can display:
=> Character devices
=> Regular files
=> Sym links (symbolic links)
=> Directories
=> Pipes
=> Sockets
=> Block [...]
How do I find out what network services are running or listing under Linux?
Q. How do I find out what network service are running under Linux operating system?
A. For security reason it is necessary to find out what services are running. With the help of netstat command, you can print information about the Linux networking subsystem including running services. It can display program name and PID for each [...]

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