Unix System debugging Tips

Posted on March 15th, 2008

** strace

See systemcalls:

strace <cmd>

** lsof

List open files and network connections of local process:

lsof -p <pid>

When no option is given, lsof prints open files for all processes for which this information is available. Generally, lsof needs to be run as root.

** strings

See ascii data in binary file (e.g. version number or name of default configuration file used)

strings /usr/bin/<binary>

** gdb

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