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unix systems

Mac Os X: Mount NFS Share / Set an NFS Client

How do I access my enterprise NAS server by mounting NFS filesystem onto my Mac OS X based system using GUI and command line based tools?
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UNIX / Linux: HowTo Use unison File Synchronizer

I know how to use rsync for Unix systems which synchronizes files and directories from one location to another while minimizing data transfer. However, I would like to synchronizing files between two directories, either on one computer, or between a computer and another server. How do I maintain the same version of files on multiple servers?
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Linux / UNIX FTP Commands Tutorial

I switched from MS-Windows to Mac computer running OS X UNIX systems. I need to transfer and download file using ftp for my personal website. Can you provide me a list of FTP commands that may be sent to an FTP server, to upload and download files using UNIX / Linux ftp command line client?
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Delete SSH Keys

One my user leaves the office and I'd like to disable her access to our UNIX / Linux system. How do I delete ssh key from the UNIX systems so that user can not log in?
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I'm trying to set 'thread_concurrency to 8 under Linux MySQL server. But when I try to restart the mysql server, I get the following error:

[ERROR] /usr/local/libexec/mysqld: unknown variable 'thread_concurrency=8'

How do I fix this problem?
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UNIX: Set Environment Variable

How do I set environment variables on UNIX systems?
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Apple Mac OS X Open And View .chm File

I know how to open .chm files under Linux, but how do you open and view .CHM files under Apple Mac OS X?
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