February 2018 – POFTUT

Monthly Archive: February 2018

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How To Remove All Docker Container Images?

Docker is very popular container technology. Docker is supported by Linux distributions and Windows operating systems. While using containers we may need to remove all container images from docker engine. We will look different ways to remove all docker container images in this tutorial. List Docker Images Before removing images...

How To Delete File In Linux? 0

How To Delete File In Linux?

Deleting files in Linux can be sometimes tricky. We have tool named rm which is the shortcut for the remove word. In this tutorial we will look how to remove or delete file in Linux with different examples and way. rm Command Syntax rm  command syntax is same as the most the...

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Linux ethtool Tutorial with Usage Examples

ethtool  is useful utility used for Network Interface Card configuration. It provides simple and fast way to get and set configuration about IP address, interface speed, interface duplex or half duplex etc. List and Printer Interface Properties We will start with simply listing given network interface properties. We will see...

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“ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock'” Error and Solution

MySQL service provides different connection methods. We generally prefer TCP/IP way where connection is established over Network Socket. There is alternative way named Socket which is connected over local system. During connection we may get error like Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ . In this tutorial we...

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What Is MySQL Default Port Number?

MySQL is very popular database in the opensource community. While developing applications or connecting MySQL database we need to specify the MySQL port implicitly or explicitly. In this tutorial we will learn MySQL default port number and alternative port numbers. TCP 3306 The default port for the MySQL service is...

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“-bash: sudo: command not found” Error and Solution For Linux, Debian, CentOS

sudo  command is used to execute command as another user. This is generally used to run command as root. In some cases we can get an error like -bash:sudo:command not found which means sudo is not installed. In this tutorial we will look different ways and distributions to solve this problem. Install...

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How To Install and Use GPG Encrytion In Linux In Order To Encrypt and Decrypt Files and Folder?

Security is important part of the today’s IT operations. There are a lot of tools which provides some part of the secure operations. GNU Privacy Guard or simply GPG is a one of them. It provides encryption, decryption, digital signatures and signing. Install GPG To Ubuntu, Debian, Mint and Kali...

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