Apr 242008

The adb utility is a general purpose debugger tool for Sun Solaris. adb utility can be used to view system variables and the values of the various system variables in use by the Sun Solaris Operating System. It  can  be  used to examine files and provides a controlled environment for the execution of programs.

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Jan 282008

The nscd daemon is a caching daemon in Sun Solaris. It provides caching services for hosts,passwd,group,ipnodes databases using various nameservice lookups like hosts file, DNS, NIS,NIS+ and more. Each cache has a separate time-to-live for its data and modifying the local database like /etc/hosts invalidates that cache within ten seconds. nscd doesn’t cache /etc/shadow (contains encrypted passwords for /etc/passwd) file simple for security reasons as anyone would understand.

As nscd daemon provides caching service, it is necessary when you run a name service like DNS, NIS or NIS+ in your network. The configuration of nscd daemon can customised using the /etc/nscd.conf file and it is important more from a security point of view where you can control what is and how is cached on your solaris server.

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