May 2018 – POFTUT

Monthly Archive: May 2018

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How To Upgrade Ubuntu, Debian, Mint, Kali with do-release-upgrade

Ubuntu provides new version in every 6 months like 16.04 , 16.10, 17.04 etc. We can install latest upgrades easily with do-release-upgrade  command. In this tutorial we will examine a simple release upgrade operation. There is no version specific difference during the upgrade. Start Upgrade Process with do-release-upgrade We will...

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How To Find And Change SSH Port Number?

ssh  is default protocol used to manage remote systems which are mainly Linux and Network Devices. As it is working over network connection and uses TCP it has a default port number which is 22  . In this tutorial we will look how to change the default port number from...

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What Is Base64 and How To Encode and Decode Text?

Base64 is an encoding and decoding algorithm. We need encoding of some data in order to prevent storing and transmission problems. For example If we try to transfer binary data it may create and affect some network devices because of its data structures. Base64 is generally used different applications like...

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Debug Applications with gdb In Linux

gdb is the short form of GNU Debugger. Debugger is a tool used to search and find and get detailed information about bugs in applications binaries. gdb is popular in Linux community which is used by most of the IDE, Programming tools event in Android IDE’s. In this tutorial we will look...

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How To Configure Linux Wireless From Command Line with wpa_supplicant

wpa_supplicant is used to connect wireless networks. wpa_supplicant.conf  file is used to store related configuration file about the wireless network. Also wireless security policy is configured with this file. Install wpa_supplicant Package In most of cases the wpa_supplicant package is installed by default but we can use following commands in order to...

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