Tutorials, tips and howtos about AIX (Advanced Interactive eXecutive) – a proprietary Unix operating systems developed by IBM (based on UNIX System V with 4.3BSD).
Q. I’d like to send email to user@example.com instead of default root user. How do I change email settings under crontab file?
Q. I’d like to send email to user@example.com instead of default root user. How do I change email settings under crontab file?
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I login to my UNIX system as a normal user. However, I need to update my cronjob entry. But, I can’t find where the crontab file is. How do I find out my crontab file location?
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Q. I need to sort data from a log file but there are too many duplicate lines. How do I remove all duplicate lines from a text file under GNU/Linux?
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Q. Some service provider guarantees 99.999% uptime for their service. Can you explain meaning of five nines?
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Q. How do I create username or user groups in upper case under Linux / *BSD / UNIX operating systems?
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Q. How do I capture specific protocol or port such as 80 ( http ) using TCPDump tool under Linux / UNIX? How do I recording Traffic with TCPDump and find problems later on?
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Q. How do I ignore hidden .dot files while searching for files? How do I ignore or exclude certain files while running Linux / UNIX find command?
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