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“Linux * Screw”的内容更新

累计：91 篇（自 2008-08-30 起）

更新：约2篇/月，最后更新157 天前

Linux * Screw

Phone call as Nagios notification

some time ago i found it pretty useful to configure nagios monitoring system to send me a phone call in case of some critical problem. if some mission critical application goes down at night most probably you’ll miss an e-mail or sms notifying about that but won’t miss a telephone call to your cell phone. honestly a telephone call is much more notoriou... (157 天前)

http://inezha.com/w/jshj066

Linux * Screw

The Implementing Cisco IP Routing (CCNP Route 642-90

a few days ago i have successfully passed 642-902 exam (ccnp route v6) and would like to share the list of materials i have been using to prepare to that exam. to get prepared i was using official cisco press training resourses, lab simulations and cheat sheets (before actually to go an take the exam). in this post i’d like to share this staff with you.... (226 天前)

http://inezha.com/w/h1z0z6v

Linux * Screw

iomoio.com — fresh and clean mp3 downloads

just came across pretty nice mp3 download website www.iomoio.com. i personally fond of useful and well designed websites so let me share a quick review of iomoio. in brief iomoio provides truly easy to use mp3 downloads service offering competitive prices in comparison to similar websites. for example, most of my favorite mp3 songs i have already downloa... (239 天前)

http://inezha.com/w/gd8qn6a

Linux * Screw

Cisco Load Balancing with Failover setup example

there is cisco router of 7200 series with 4 fastethernet interfaces (fe) and 2 serial ports. it should act as load balancer and failover for lan connected to it via one fe 1/0 interface while two identical internet connections are going to fe 0/0 and fe 0/1 (let’s name these connections as isp_1 and isp_2).no dynamic routing protocols are used by isps ... (311 天前)

http://inezha.com/w/uhh7867

Linux * Screw

Install nfdump and nfsen netflow tools in Linux

using nfsen it is possible to view ip traffic statistics on linux interfaces including the graphs showing data sent and received (see the screenshot to the right) as well as historical information about all data transfers. so after you’ve configured nfsen and nfdump to monitor traffic on certain linux server or router you’ll be able to answer the follo... (311 天前)

http://inezha.com/w/zbzft9y

Linux * Screw

Quick Tip: Increase port range available for applica

by default an average linux distribution allows applications to use the following tcp port range for outgoing connections: 32,786-65,536. that’s why your system can handle up to 28,232 tcp sessions at time. notice, this is more than enough if your linux system is installed on the laptop or desktop and you just use it for occasional visits to facebook.co... (311 天前)

http://inezha.com/w/qq8dh98

Linux * Screw

Sendmail for virtual users with procmail, spamassass

today i’d like to describe setup of sendmail that allows to establish receiving of e-mails for certain domain and sort incoming messages between virtual users. those users must be able to fetch received e-mails via pop3 or imap protocols with or without tls encryption. the key aspect of this kind of setup is that we will make sendmail working with virtu... (311 天前)

http://inezha.com/w/20he09d

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