What is the maximum character length of arguments in a shell command? How do I find out the maximum length of arguments for a new process under Linux or Unix like operating systems?
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posix
What is /bin/dash? I noticed that the default system shell /bin/sh was changed to /bin/dash. Why was this change made?
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What is the correct format for a TZ (time zone) environment variable for use with the Linux or UNIX operating system?
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How do I convert Epoch seconds to the current time under UNIX or Linux operating systems?
{ 5 comments }
The rndc stats commands created /var/named/chroot/var/named/data/named_stats.txt file under RHEL 5.x or CentOS 5.x BIND 9 server. However, date is not is correct format. The date is in the following format:
grep ‘Dump’ /var/named/chroot/var/named/data/named_stats.txt
outputs:
+++ Statistics Dump +++ (1263408025)
— Statistics Dump — (1263408025)
+++ Statistics Dump +++ (1263408071)
— Statistics Dump — (1263408071)
+++ Statistics Dump +++ (1268304218)
— Statistics Dump — (1268304218)
+++ Statistics Dump +++ (1268304248)
— Statistics Dump — (1268304248)
How do I convert date (e.g., 1263408025) in a human readable format?
{ 5 comments }
I want to get an alert when my disk is full under UNIX and Mac OS X? How do I set a a specified threshold and run the script via cron?
{ 26 comments }
I type the following command:
ps -auxf | sort -nr -k 4 | head -10
And I get the output along with warning message:
Warning: bad syntax, perhaps a bogus ‘-’? See /usr/share/doc/procps-3.2.7/FAQ
How do I fix this problem?
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