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> <channel><title>nixCraft &#187; Ask nixCraft</title> <atom:link href="http://www.cyberciti.biz/tips/category/ask-nixcraft/feed" rel="self" type="application/rss+xml" /><link>http://www.cyberciti.biz/tips</link> <description>This is a Linux sys admin journal by Vivek about sys admin work, Linux tips &#38; tricks, hacks, news and more.</description> <lastBuildDate>Fri, 14 Jun 2013 21:36:33 +0000</lastBuildDate> <language>en-US</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.5.1</generator> <item><title>Poll: Your Favorite Scripting Language?</title><link>http://www.cyberciti.biz/tips/poll-your-favorite-scripting-language.html</link> <comments>http://www.cyberciti.biz/tips/poll-your-favorite-scripting-language.html#comments</comments> <pubDate>Tue, 17 Mar 2009 18:40:23 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[C Programming]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Perl]]></category> <category><![CDATA[php]]></category> <category><![CDATA[Poll]]></category> <category><![CDATA[programming]]></category> <category><![CDATA[python]]></category> <category><![CDATA[Shell scripting]]></category> <category><![CDATA[Sys admin]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[admin work]]></category> <category><![CDATA[Automation]]></category> <category><![CDATA[bash]]></category> <category><![CDATA[correct tool]]></category> <category><![CDATA[django]]></category> <category><![CDATA[glue]]></category> <category><![CDATA[rapid development]]></category> <category><![CDATA[security issues]]></category> <category><![CDATA[system knowledge]]></category> <category><![CDATA[web projects]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/?p=4552</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/tips/category/c-programming' title='See all UNIX/Linux Programming/Development related articles'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/programming-logo.png' border='0' /></a></div> Like most sys admin, I'm lazy. I try to automate almost all things in order to save time. Inexperienced sys admin and help desk staff working under me finds all these tools useful. It saves their time and avoids security issues. Automation allows help desk staff  to do things that they don't have enough direct system knowledge to do themselves. However, selecting correct tool and applying correct methodology is very important. <br
/><br
/> Note: There is a poll embedded within this post, please <a
href="http://www.cyberciti.biz/tips/poll-your-favorite-scripting-language.html">visit the site to participate</a> in this post's poll.]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/poll-your-favorite-scripting-language.html/feed</wfw:commentRss> <slash:comments>36</slash:comments> </item> <item><title>What Do You Use to Debug Linux / UNIX C/C++ Programs?</title><link>http://www.cyberciti.biz/tips/what-do-you-use-to-debug-linux-unix.html</link> <comments>http://www.cyberciti.biz/tips/what-do-you-use-to-debug-linux-unix.html#comments</comments> <pubDate>Tue, 24 Feb 2009 17:24:14 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[GNU/Open source]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[programming]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[borland c]]></category> <category><![CDATA[c programs]]></category> <category><![CDATA[cout statements]]></category> <category><![CDATA[debugger]]></category> <category><![CDATA[eclipse]]></category> <category><![CDATA[gnu gdb]]></category> <category><![CDATA[java programs]]></category> <category><![CDATA[turbo c]]></category> <category><![CDATA[unix c]]></category> <category><![CDATA[unix linux]]></category> <category><![CDATA[valgrind]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/?p=4463</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/tips/category/unix' title='See all UNIX(R) related articles/tips'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/unix-logo.gif' border='0' /></a></div> The purpose of a debugger is to allow you to see what is going on inside another program while it executes. It is useful to find out what another program was doing at the moment it crashed. I know most people will recommend GNU gdb, Nemiver, Valgrind or IDE such as Eclipse. I use gdb when it is really required; otherwise I debug the old fashioned way using printf() or cout statements. ]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/what-do-you-use-to-debug-linux-unix.html/feed</wfw:commentRss> <slash:comments>26</slash:comments> </item> <item><title>Why Did You Switch From IE ( Internet Explorer ) ?</title><link>http://www.cyberciti.biz/tips/why-did-you-switch-from-ie-internet-explorer.html</link> <comments>http://www.cyberciti.biz/tips/why-did-you-switch-from-ie-internet-explorer.html#comments</comments> <pubDate>Wed, 11 Feb 2009 20:17:26 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Linux desktop]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[Windows]]></category> <category><![CDATA[Windows server]]></category> <category><![CDATA[windows vista]]></category> <category><![CDATA[apple safari]]></category> <category><![CDATA[Chrome]]></category> <category><![CDATA[firefox]]></category> <category><![CDATA[google]]></category> <category><![CDATA[google browser]]></category> <category><![CDATA[internet explorer]]></category> <category><![CDATA[ms windows]]></category> <category><![CDATA[Opera]]></category> <category><![CDATA[OS X]]></category> <category><![CDATA[safari]]></category> <category><![CDATA[server logs]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/?p=4417</guid> <description><![CDATA[<div
style='float:right;margin-top:0px;margin-left:5px;'><a
href='http://www.cyberciti.biz/tips/category/windows' title='See all Micro$oft related tips/articles'><img
src='http://files.cyberciti.biz/cbzcache/3rdparty/wine.png' border='0' /></a></div> I was going though my server logs / Google Analytics settings and found that over 60% users are on MS-Windows. However, each and every month visitors are switching to Firefox or Google browser and so on. So I would like to know your reasons for making switch from IE to another browser. Why did you switch and which browser did you switch to?]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/why-did-you-switch-from-ie-internet-explorer.html/feed</wfw:commentRss> <slash:comments>54</slash:comments> </item> <item><title>UNIX / Linux Professional Salary Potential Ranges</title><link>http://www.cyberciti.biz/tips/unix-linux-salary-potential.html</link> <comments>http://www.cyberciti.biz/tips/unix-linux-salary-potential.html#comments</comments> <pubDate>Fri, 08 Feb 2008 19:34:14 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[Sys admin]]></category> <category><![CDATA[bureau of labor statistics]]></category> <category><![CDATA[computer professionals]]></category> <category><![CDATA[employer size]]></category> <category><![CDATA[industry job]]></category> <category><![CDATA[job title]]></category> <category><![CDATA[linux education]]></category> <category><![CDATA[salary survey report]]></category> <category><![CDATA[unix system administrator]]></category> <category><![CDATA[unix systems manager]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/unix-linux-salary-potential.html</guid> <description><![CDATA[From my mail bag: I'm seriously considering getting trained myself with a UNIX / Linux education. Can you give me some general idea about salaries for computer professionals with diploma or degree education? Salaries depends upon many factors such as: => Your country / location => Your credentials => Your level of experience => Your [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/unix-linux-salary-potential.html/feed</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>Linux Identifying ~ Which NIC Is Which &#8211; Which NIC is eth0?</title><link>http://www.cyberciti.biz/tips/which-nic-is-eth0.html</link> <comments>http://www.cyberciti.biz/tips/which-nic-is-eth0.html#comments</comments> <pubDate>Thu, 17 Jan 2008 13:05:38 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[Hardware]]></category> <category><![CDATA[Howto]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Networking]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/which-nic-is-eth0.html</guid> <description><![CDATA[From my mailbag the other day I received an interesting question about network interface: I've 4 network card installed in my server and I need to find out which NIC is which? How do I tell which physical card is eth0 and which one is eth1 and so on using command line options? If my [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/which-nic-is-eth0.html/feed</wfw:commentRss> <slash:comments>10</slash:comments> </item> <item><title>Does Ubuntu Linux kill / shorten hard disk life?</title><link>http://www.cyberciti.biz/tips/ubuntu-linux-hard-disks-may-shorten-lifetime.html</link> <comments>http://www.cyberciti.biz/tips/ubuntu-linux-hard-disks-may-shorten-lifetime.html#comments</comments> <pubDate>Sun, 18 Nov 2007 03:03:28 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[File system]]></category> <category><![CDATA[Hardware]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Linux laptop]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[bios]]></category> <category><![CDATA[firmware]]></category> <category><![CDATA[hard drive]]></category> <category><![CDATA[management settings]]></category> <category><![CDATA[power management]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/ubuntu-linux-hard-disks-may-shorten-lifetime.html</guid> <description><![CDATA[I got lots of emails asking about Ubuntu Linux and hard disk issue. Does it really shorten hard disk life? Noop. Unfortunately, some news and blogs reported news wrongly. Ubuntu doesn't touch your hard drive power management settings by default. In almost all cases, it's more likely to be your BIOS or the firmware on [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/ubuntu-linux-hard-disks-may-shorten-lifetime.html/feed</wfw:commentRss> <slash:comments>5</slash:comments> </item> <item><title>Is Linux server more secure than Windows server?</title><link>http://www.cyberciti.biz/tips/is-linux-really-more-secure-than-windows.html</link> <comments>http://www.cyberciti.biz/tips/is-linux-really-more-secure-than-windows.html#comments</comments> <pubDate>Tue, 09 Oct 2007 13:47:57 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Windows]]></category> <category><![CDATA[attackers]]></category> <category><![CDATA[fan boys]]></category> <category><![CDATA[linux administrators]]></category> <category><![CDATA[linux computer]]></category> <category><![CDATA[network operating system]]></category> <category><![CDATA[vulnerability]]></category> <category><![CDATA[windows computer]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/is-linux-really-more-secure-than-windows.html</guid> <description><![CDATA[Many new Linux user / admin asks: Is Linux more secure than Windows? That depends. ;-) Let me explain: Fan boys on both sides argue to the death that their religion operating system is the best and safest to use. Windows is harder to secure than Linux. It is the simple truth. Many IT professionals [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/is-linux-really-more-secure-than-windows.html/feed</wfw:commentRss> <slash:comments>6</slash:comments> </item> <item><title>Why my Linux server ext3 filesystem go read-only?</title><link>http://www.cyberciti.biz/tips/linux-filesytem-goes-read-only.html</link> <comments>http://www.cyberciti.biz/tips/linux-filesytem-goes-read-only.html#comments</comments> <pubDate>Tue, 28 Aug 2007 10:46:57 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[CentOS]]></category> <category><![CDATA[File system]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[RedHat/Fedora Linux]]></category> <category><![CDATA[Sys admin]]></category> <category><![CDATA[Tips]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[check harddisk]]></category> <category><![CDATA[disk problem]]></category> <category><![CDATA[ext3_filesystem]]></category> <category><![CDATA[failover]]></category> <category><![CDATA[filesystem]]></category> <category><![CDATA[hardware problem]]></category> <category><![CDATA[high disk i o]]></category> <category><![CDATA[read-only_filesystem]]></category> <category><![CDATA[san path failover]]></category> <category><![CDATA[vmware]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/linux-filesytem-goes-read-only.html</guid> <description><![CDATA[From my mailbag: We have 5 Dell server collocated running CentOS 4.x and 5.x server operating system. Sometime my file system (ext3) goes read-only. I’d like to know what could be causing such a problem? My guess: a) Hardware problem / hard disk problem, check harddisk for errors. b) High disk I/O aka busy I/O [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/linux-filesytem-goes-read-only.html/feed</wfw:commentRss> <slash:comments>32</slash:comments> </item> <item><title>Download: Linux distribution for PPC / PowerPC architecture</title><link>http://www.cyberciti.biz/tips/download-powerpc-linux-distributions.html</link> <comments>http://www.cyberciti.biz/tips/download-powerpc-linux-distributions.html#comments</comments> <pubDate>Mon, 27 Aug 2007 09:27:31 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[Debian Linux]]></category> <category><![CDATA[Download of the day]]></category> <category><![CDATA[Gentoo Linux]]></category> <category><![CDATA[GNU/Open source]]></category> <category><![CDATA[Linux desktop]]></category> <category><![CDATA[Linux distribution]]></category> <category><![CDATA[RedHat/Fedora Linux]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[hardware reference]]></category> <category><![CDATA[linux for]]></category> <category><![CDATA[linux for apple macinosh]]></category> <category><![CDATA[linux for apple powerpc]]></category> <category><![CDATA[linux for ibooks]]></category> <category><![CDATA[linux for mercury cell]]></category> <category><![CDATA[linux for sony playstation ps3]]></category> <category><![CDATA[powerbooks]]></category> <category><![CDATA[yellow dog linux]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/download-powerpc-linux-distributions.html</guid> <description><![CDATA[Camira asks: Where can I find the Linux distribution for the ppc architecture? I guess the best distro for the PowerPC based PC is Yellow Dog Linux (YDL). Just like other distro it is a free software and open-source Linux distribution for Power Architecture hardware. It is based on Fedora Linux. According to wikipedia: PowerPC [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/download-powerpc-linux-distributions.html/feed</wfw:commentRss> <slash:comments>4</slash:comments> </item> <item><title>Lighttpd block wget useragent  for specific urls</title><link>http://www.cyberciti.biz/tips/howto-lighttpd-block-useragent.html</link> <comments>http://www.cyberciti.biz/tips/howto-lighttpd-block-useragent.html#comments</comments> <pubDate>Sun, 12 Aug 2007 13:42:10 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[lighttpd]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Tips]]></category> <category><![CDATA[Tuning]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[block useragent]]></category> <category><![CDATA[perl regex]]></category> <category><![CDATA[wget command]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/howto-lighttpd-block-useragent.html</guid> <description><![CDATA[One of regular reader asks a question: My website powered by Lighttpd web server. I’d like to block Wget useragent for entire my domain.com site except for /downloads/ url section. How do I configure lighttpd? You need to use $HTTP filed useragent and url combination. Just open your lighttpd.conf file and append code as follows. [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/howto-lighttpd-block-useragent.html/feed</wfw:commentRss> <slash:comments>4</slash:comments> </item> <item><title>Evolution Email Client and Microsoft Exchange Server 2007 Connectivity Problem</title><link>http://www.cyberciti.biz/tips/evolution-and-microsoft-exchange-server-2007.html</link> <comments>http://www.cyberciti.biz/tips/evolution-and-microsoft-exchange-server-2007.html#comments</comments> <pubDate>Wed, 11 Jul 2007 19:19:57 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[FAQ]]></category> <category><![CDATA[Howto]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[Windows server]]></category> <category><![CDATA[evolution]]></category> <category><![CDATA[microsoft exchange server]]></category> <category><![CDATA[workaround]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/evolution-and-microsoft-exchange-server-2007.html</guid> <description><![CDATA[Does any one know if the Evolution will work with Microsoft Exchange Server 2007? I’ve client and she needs to connect to corporate Microsoft Exchange Server 2007. The problem is - connectivity doesn’t work. If anyone has any information or workaround please comment back. Update 31/Dec/2007: Rocky pointed me to a thread about MAPI based [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/evolution-and-microsoft-exchange-server-2007.html/feed</wfw:commentRss> <slash:comments>49</slash:comments> </item> <item><title>How do you disconnect inactive user sessions?</title><link>http://www.cyberciti.biz/tips/linux-unux-disconnect-inactive-user-sessions.html</link> <comments>http://www.cyberciti.biz/tips/linux-unux-disconnect-inactive-user-sessions.html#comments</comments> <pubDate>Fri, 06 Jul 2007 04:12:14 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Linux distribution]]></category> <category><![CDATA[RedHat/Fedora Linux]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Shell scripting]]></category> <category><![CDATA[Tips]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[Tuning]]></category> <category><![CDATA[inactive users]]></category> <category><![CDATA[linux installation]]></category> <category><![CDATA[linux server]]></category> <category><![CDATA[questions]]></category> <category><![CDATA[sessions]]></category> <category><![CDATA[shells]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[unix admin]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/linux-unux-disconnect-inactive-user-sessions.html</guid> <description><![CDATA[One of our regular reader hall sends an interesting question: I work for a small company and most user login to centralized Linux server. I’d like to automatically log out all inactive users from server for various reasons. How do I disconnect inactive user sessions? To be frank, I don’t have any clear cut answer [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/linux-unux-disconnect-inactive-user-sessions.html/feed</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>What is the most efficient Linux file system for laptops?</title><link>http://www.cyberciti.biz/tips/most-efficient-linux-file-system-for-laptops.html</link> <comments>http://www.cyberciti.biz/tips/most-efficient-linux-file-system-for-laptops.html#comments</comments> <pubDate>Tue, 29 May 2007 13:16:07 +0000</pubDate> <dc:creator>nixCraft</dc:creator> <category><![CDATA[Ask nixCraft]]></category> <category><![CDATA[File system]]></category> <category><![CDATA[Howto]]></category> <category><![CDATA[Linux]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/most-efficient-linux-file-system-for-laptops.html</guid> <description><![CDATA[There is some debate going on and the question is: What is the most efficient Linux file system for laptops? I think ext3 doing well but again I don’t have complete answer here. We have some smart people around here. So please add your thoughts and suggestion in comments. If you can't offer a complete [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/most-efficient-linux-file-system-for-laptops.html/feed</wfw:commentRss> <slash:comments>17</slash:comments> </item> </channel> </rss>