-r : check references to both data objects and functions.
-f : force ldd to check for an executable file that is not secure. An executable is not considered secure if the interpretor it specifies does not reside under /usr/lib or /etc/lib, or if the interpretor cannot be determined.
-i : displays the order of execution of initialization sections.
-l : forces the immediate processing of any filters so that all filtees, and their dependencies, are listed.
-s : displays the search path used to locate shared object dependencies.
-v : displays all dependency relationships incurred when processing filename. This options also displays any dependency version requirements.
coolcommand: how to delete messages for a particular user when using Postfix
Example: mailq | tail -n +2 | awk 'BEGIN { RS = "" } / MAILER-DAEMON/ { print $1 }' | tr -d '*!' | postsuper -d -
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coolcommand: perl script to transform decimal ip address to hexadecimal
Example: ip2hex.pl 172.26.20.255
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coolcommand: query_cecs - list managed systems of HMC
Example: query_cecs
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coolcommand: how to test if a file exists and is a block special file in a shell script
Example: test -b file; [ -b file ]
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Sunday May 27, 2012
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