About Surendra Kumar Anne

13 Linux du command examples

Posted by Surendra Anne | Apr 5, 2016 | Basics |

In this post, we will be discuss the command “du” or disk usage. The du command is a handy command to check folder/file sizes in Linux. This command comes with a lots of options which when combining them together can give you a very powerful way to check file/folder size usage of your disk. Syntax for Linux du command du [OPTION]... [FILE]... Basic du command usage examples Example 1: Execute du command with no options. As you can see in this example, using du without any option will list folders recursively by default the size of each file under the directory you chose. The...

14 tail and head commands in Linux/Unix

Posted by Surendra Anne | Mar 22, 2016 | Bash, Basics |

Many people know about cat command which is useful in displaying entire file content. But in some cases we have to print part of file. In today’s post we will be talking about head and tail commands, which are very useful when you want to view a certain part at the beginning or at the end of a file, specially when you are sure you want to ignore the rest of the file content. let’s start with the tail command, and explore all of the features this handy command can provide and see how to use it best to...

Install and configure FTP server in Redhat/Centos Linux?

Posted by Surendra Anne | Mar 9, 2016 | Servers |

FTP stands for File Transfer Protocol. It was written by Abhay Bhushan and published in 1971. FTP is supported by all the operating systems and browsers. It is a client-server based protocol. How FTP works Step a: Client connects to server on port 21. Step b: Server responds and ask for authentication. Step c: Client decides weather to connect passively or actively and authenticate with credentials(user name password). Step d: If it is an active connection, server opens port 20 for data transfer and gives ftp prompt after successful authentication. Step e: Client call for file and server initiates file transfer. Following picture shows...

Author: Surendra Anne

13 Linux du command examples

14 tail and head commands in Linux/Unix

Install and configure FTP server in Redhat/Centos Linux?

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