Linux and Unix tutorials for new and seasoned sysadmin
Linux and Unix tutorials for new and seasoned sysadmin
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?
What is /bin/dash? I noticed that the default system shell /bin/sh was changed to /bin/dash. Why was this change made?
What is the correct format for a TZ (time zone) environment variable for use with the Linux or UNIX operating system?
How do I convert Epoch seconds to the current time under UNIX or Linux operating systems?
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?
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?
Q. When I run make install clean for php5-extensions port, I’m dumped with the following error:
=> Please update your ports tree and try again.
*** Error code 1
Stop in /usr/ports/sysutils/php5-posix.
*** Error code 1
How do I fix this problem?