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How do I display information from /proc such as memory, Load average, uptime, page activity, context, disk status, interrupts using a shell or perl script?

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How do I check network connections under Linux using command line options?

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Q. How do I kill a process called inetd or foo and restart the same so that configuration file get updated? A. Both UNIX and Linux supports POSIX reliable signals and POSIX real-time signals. Each signal has a current disposition, which determines how the process behaves when it is delivered the signal. Generally following command […]

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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 […]

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