lsof command

Linux: Find All File Descriptors Used By a Process

by on July 1, 2011 · 1 comment

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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Linux: Check Network Connection Command

by on January 10, 2011 · 4 comments

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

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Linux: Find Out Which Process Is Listening Upon a Port

by on October 31, 2010 · 18 comments

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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Linux Syslogd: Nothing Gets Logged Using /dev/log And /jail/apache/dev/log

by on August 22, 2010 · 0 comments

I‘ve configured my Apache in chrooted jail at /jail/apache directory. However, my syslogd is not working and nothing gets logged using /dev/log and /jail/apache/dev/log. How do I fix this problem under CentOS 5.x AMD64 with SELinux?

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Linux: Find Out Apache User Name

by on July 20, 2009 · 0 comments

How do I find out my apache username under Linux operating system or CentOS Linux server?

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/bin/bash: bad interpreter: Text file busy Error and Solution

by on January 6, 2009 · 6 comments

Q. I’m getting an error as follows while trying to run a shell script over remote ssh session:

./myscript.sh
/bin/bash: bad interpreter: Text file busy

How do I fix this error message and run the script?

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FreeBSD Install lsof To Displays Information About Files Open to Unix processes

by on July 16, 2008 · 0 comments

How do I install the free, open-source, Unix administrative tool called lsof (for LiSt Open Files) under FreeBSD operating system to displays information about files open to Unix processes?

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