Automating Linux And Unix System Administration by Nathan Campi, Kirk Bauer

By Nathan Campi, Kirk Bauer

Having the authors consultant you thru the method of configuring computerized installations and configuration of servers is priceless.

This publication is a needs to for any linux/unix sysadmin available in the market. i'm hoping there's a third variation with the recent Cfengine three soon!

This ebook isn't for the start linux/unix admin, even though. you'll have a radical wisdom of the structures already. after you have that, utilizing the equipment during this e-book will prevent and your bosses numerous hours of dealing with your servers.

I wish to thank the authors for a super piece of labor.

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Example text

For example, you might have a system-monitoring script that needs to connect to other machines continuously. You could manually start the script through ood)]cant, and then the script could run indefinitely using the passphrase you entered at startup. :z+*ood+]cajp)ejbk ]hanpkj_]hhlanokjpkpdaouopaina^kkp a_dk $dkopj]ia%na^kkpa`(jaa`pkood)]``pdaoodgauoejpkpdaood)]cajpX x+^ej+i]eh)o $dkopj]ia%na^kkpa`kj_]hh

But if your auto-repair methods are overzealous, you might end up causing more problems than you solve. We will definitely explore self-repair whenever appropriate. An administrator always has to consider security. With every solution you implement, you must be certain you are not introducing any new security issues. Ideally, you want to create solutions that minimize or even eliminate existing security concerns. For example, you might find it convenient to set up Secure Shell (SSH) so that it uses private keys without a passphrase, but doing so usually opens up serious security holes.

This capability has made many operations easy, when the same results would be difficult to attain under other operating systems. Be thankful for the UNIX heritage of being written for and by programmers. For example, if you want to create an ISO file on a remote system from a DVD in your laptop, you could run this: ``eb9+`ar+_`nkixoodnaikpadkop#``kb9+klp+^ec+ris]na+okh-,*eok# Linux represents the CD/DVD drive as a file, in this case +`ar+_`nki, so you simply use the `` command to copy it bit for bit to a different file.

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