Howto rollover a file when size exceeds using unix find
Using -size and -exec flags of find command, one can easily find when the logfile has grown above the threshold and move it to another name in one shot.
Category: OS Interoperability
Unix : find affected by current working directory
Many Unix variants (including latest Solaris 11 Express) use a version of find that first looks for current working directory. And if that current working direc...
How to find current runlevel on unix system
Linux provides a utility called runlevel but "who -r" is a portable solution which is available across various Unixes.
SunOS : List dynamic libraries loaded by a running process or core
While ldd can provide the dynamic library location for a binary, pldd can provide which libraries were really used (both for a running process and also for the ...
Most often used Network Sniffer flags for tcpdump and snoop
Selecting interface, capturing full data, writing to a file etc. are some of the most often used Packet capture flags.
How to find number of CPUs on unix system
CPU information can be retrieved via /usr/sbin/psrinfo on SunOS while it is available in /proc/cpuinfo on Linux and use hinv on IRIX. Other unix commands like g...
find broken symlinks
Using find and test commands you can search for the dangling or broken soft links on a Unix system.
bash : Automate add/modify/delete of cron jobs from a script
Output redirections using pipes can be used to combine multiple crontab commands to install new cron job or to modify or delete old cron jobs without using any ...