Poftut Blog

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How To Install Skype In Linux?

Hi, Skype is most used voip application in the world. To  communicate peoples ask for skype nickname. As you know skype is bough by microsoft and very integrated with windows. You can connect skype...

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How To Generate Self Signed Certificates

Hi, x509 certificates are used widely by a lot of applications. Generating x509 certificates seem to be hard and rocket science, but it is not. We will generate a key named t1.key and then...

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How To Compile Linux Kernel

Hi today we are going to compile linux kernel. you can think that compiling  kernel is very complicated and hard for you. But it is not. It is more easy to compile than a...

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How To Generate Random Numbers In Linux

Generating random numbers can be seem odd. But it is very important for security. In security field whatever best chiper or algorithm you use if you can’t generate random numbers it is useless from...

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How To Install CentOS 7 (with Screenshoots)

CentOS 7 is recently released. There is standart installation methods like from cd, network. I am gonna show you screen by screen network installation with netinstall.iso file. Firstly download CentOS netinstall.iso from site. http://isoredirect.centos.org/centos/7/isos/x86_64/...

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Linux Su Command Tutorial With Examples

The su short for substitute user command using to change currently logged user.  This makes things practical because the user change made without login. Su command can be used to get root privileges too. Su...

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Yum Usage

Hi I am currently using fedora and I prefer cli to getting things done. I use yum and rpm to manage the applications. It is funny but I do not know gui packet managetment...

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Rdesktop Tutorial

Hi today I am gonna write about the rdp application named rdesktop. I need some times to connect the windows systems. I have used remmina which is capable of vnc,ssh,rdp, nx etc. But all...

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How To Find Port Number Of Protocols

Hi Linux distros generally use file name services which is located in /etc/services to look for protocol names and port numbers.So we can use too. Here is some part of services file

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