All posts by expire0

By expire0 November 30, 2007

Tar/Untar file and directories

Unzipping files is an important part of downloading Linux files from the Internet. In Linux a majority of the files that are downloaded are in tgz format (a gnu zipped tar file), although there are other common extensions, as shown here:

By expire0 November 30, 2007

List users Logged on Linux

/etc/passwd hold all the users

By expire0 March 01, 0218

DNS: flush client cache

Linux (Terminal ) /etc/init.d/nscd restart or service nscd restart if the nscd restart does not clear up the cache. try clearing /var/db/nscd/hosts by running nscd –invalidate=hosts if you do not have the nscd package . it will need to be installed using the source, rpm, yum or apt. This depends on your linux distro. Windows

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