How can I find all the file descriptors used by a process such as httpd (Apache web server) or mysqld (MySQL Database server)?
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ps command
How do I find out running processes were associated with each open port? How do I find out what process has open tcp port 111 or udp port 7000 under Linux?
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How do I add two numbers using awk? How do I calculate all incoming number stream on fly and display the total using awk?
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Where are my mysql database and table files are stored in UNIX or Linux operating systems?
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Q. How do I login over ssh without using password less RSA / DSA public keys? How do I use ssh in a shell script? How do I login non-interactivly performing password authentication with SSH and shell scripts?
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Q. How to tell if my Linux server is using xinetd or inetd service?
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