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Solaris
Quick question about resolv.conf
Post 302296805 by Perderabo on Wednesday 11th of March 2009 11:02:20 PM
03-12-2009
resolv.conf is read by any program that needs it. It's like /etc/passwd --- you don't restart a service when you change that. Many times I have had resolv.conf problems and they go away when I fix the file. And this includes Solaris 10. 
Are you sure that /etc/nsswitch.conf has dns in the hosts entry?
Are you sure that /etc/nsswitch.conf has dns in the hosts entry?
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LEARN ABOUT CENTOS
nscd
NSCD(8) Linux Programmer's Manual NSCD(8) NAME
nscd - name service cache daemon DESCRIPTION
Nscd is a daemon that provides a cache for the most common name service requests. The default configuration file, /etc/nscd.conf, deter- mines the behavior of the cache daemon. See nscd.conf(5). Nscd provides caching for accesses of the passwd(5), group(5), and hosts(5) databases through standard libc interfaces, such as getpw- nam(3), getpwuid(3), getgrnam(3), getgrgid(3), gethostbyname(3), and others. There are two caches for each database: a positive one for items found, and a negative one for items not found. Each cache has a separate TTL (time-to-live) period for its data. Note that the shadow file is specifically not cached. getspnam(3) calls remain uncached as a result. OPTIONS
--help will give you a list with all options and what they do. NOTES
The daemon will try to watch for changes in configuration files appropriate for each database (e.g., /etc/passwd for the passwd database or /etc/hosts and /etc/resolv.conf for the hosts database), and flush the cache when these are changed. However, this will happen only after a short delay (unless the inotify(7) mechanism is available and glibc 2.9 or later is available), and this auto-detection does not cover configuration files required by nonstandard NSS modules, if any are specified in /etc/nsswitch.conf. In that case, you need to run the following command after changing the configuration file of the database so that nscd invalidates its cache: $ nscd -i <database> SEE ALSO
nscd.conf(5), nsswitch.conf(5) COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
2012-05-10 NSCD(8)