Howto install/remove Gnome,KDE,Xfce in Ubuntu

tipsSometimes we want to have 2 or more desktops ,sometimes we want to remove 1 or more desktops,right?I have just removed kde4 from Ubuntu.By the way,I summarized some tips for installing/removing desktops in Ubuntu as follow:~

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Apache tips-limit upload file size

tipsApache has an option names LimitRequestBody,this option can limit user sending's content of http request.Option LimiRequestBody can be used in .htaccess & httpd.conf.If you use it in http.conf, may use separately in virtualhost or the directory attribute setting. The LimitRequestBody setting value is lies between (unlimitedly) 0 to 2147483647 (2GB).

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Easy way to install Ubuntu 8.04 from hard disk

tipsThis method is contributed by freeflyfish , I have tested it. It is really very easy way to install Ubuntu 8.04 from hard disk.

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How to disable/enable touchpad in Ubuntu

tipsThere is a simple way to disable/enable your laptop's touchpad in Ubuntu without removing synaptics driver,so when you want to enable your touchpad ,you no need to re-install the driver

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How to cancel NVIDIA logo on booting

tipsNormally, once you have sussccessfully installed NVDIA displayer driver,then you should see the NVIDIA logo when booting the computer. If you don't like it,you can cancel this logo.

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Tips for building a GCC and GTK programming environment in Ubuntu 8.04

tipsOn the strength of Ubuntu's fast sources, building a GCC and GTK programming environment in Ubuntu is a simple thing,you just need to implement several lines of apt-get commands ,and then waiting for 15 minutes for downloading and installing

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Fedora tips-speed up yum downloading

tipsI was ever sick of Fedora's yum downloading speed,because i am in out of America.After read several documents,i found out the way to speed up yum downloading.Their are 2 principles to speed up yum downloading,the first is to use better download tool,the sencond is to user faster source.You know,yum supports plugin,this fuction brings us more convinences.I have sumed up my experience to be 3 points to instruct how to speed up yum downloading as following:~

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Ubuntu tips-use "Ctrl-H" shortcut to show hidden files

tipsBy default , Nautilus file browser is not displayed hidden files. We are familiar with  the  window of the way to show the hidden files. Do we have more convenient way?

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Ubuntu tips-grap full screen /active window

tipsIn ubuntu, how  to grap full-screen or active windows at any time ? Actually it is very simple ,if you want to grab full-screen  ,you just need to click the PrtScr(laptop:Fn+PrtScr) key .if you just want to grasp active window ,you just need to  press Alt + PrtScr key(laptop:Fn+Alt+PrtScr)

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