2009

Raid Data Recovery Software: ZAR

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File Name: ZAR Version: 8.4 Publisher: Zero Assumption Recovery Raid Supported: RAID 0, RAID 5 Analyze Mode: Manual Mode Price: US $99.00 What can ZAR Do? This tutorial describes the data recovery procedure used to recover a RAID 0 or RAID 5 array if * the controller failed and the array parameters are lost * Windows software-based RAID configuration data is damaged Download: http://www.z-a-recovery.com/download.htm…

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Linux Document Preparation

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addftinfo        Add information to troff font files for use with groff. afmtodit        Create font files for use with groff. colcrt        Filter nroff output for CRT previewing. enscript        Convert text files to postscript. eqn        Format equations for troff. Compiles descriptions of equations embedded in troff.…

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Linux User Management

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ac        Print statistics about users’ connect time. accton        Turn on accounting of processes. To turn it on type “accton /var/log/pacct”. adduser        Ex: adduser mark – Effect: Adds a user to the system named mark chage        Used to change the time the user’s password will expire.…

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Linux System Management

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Environment env        Show all environment variables. export        Set the value of a variable so it is visible to all subprocesses that belong to the current shell. printenv        Print all or part of environment. reset        Restores runtime parameters for session to default values.…

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Hard Drives: Yesterday to Today

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Hard Drives Versus Solid State Drives The most recent solid state drives, which are referred to as flash SSDs, have reached capacities of up to 256 GB, and their performance often exceeds 200 MB/s with extremely short latencies. However, only a few of them are truly worth the several hundred dollar investment they demand, as flash SSDs require intelligent, multi-channel configurations with smart controllers and cache memory.…

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Miscellaneous Linux Commands

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Keys and keycodes and console dumpkeys        Dump keyboard translation tables. getkeycodes        Print kernel scancode-to-keycode mapping table. lesskey        Specify key bindings for less. loadkeys        Load keyboard translation tables. psfaddtable        Add a unicode character table to a console font. psfgettable        Extract the embedded Unicode character table from a console font.…

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