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cURL command line tutorials with examples

July 13, 2018 ·  3 min read

cURL command basics This tutorial shows the basics of cURL command line tools, cURL Installation on Linux/Unix and windows. CURL is a command line tool used to send a data between two machines. data can be transferred via HTTP, FTP protocols of any URL/file. cURL command is used to test API during the development phase. This tool is available in Windows, Linux, Unix and Mac operating systems. Understanding cURL command Usage Retrieving Content from URL Testing REST API Upload/download files get Response and Location headers of any remote URL or websites cURL command install and configure on windows For developers, This is the basic and important command to test REST API’s in a console...


Top Yum command examples - linux tuorials

July 13, 2016 ·  2 min read

What is yum in Linux? Yum abbreviates as Yellowdog Updater Modified a free tool for managing packages in RedHat Unix as well as CentOS. yum is a popular packaging tool to manage the different packages in Linux. Yum, do install, update, remove the packages or rpm’s in red hat and Cent OS Unix yum is a similar apt-get tool in ubuntu operating system. yum install the dependencies automatically yum download the temporary files and store under /var/cache/yum folder, Once the yum operation is finished, the data will be deleted....


how to do remote ssh connection to openshift using putty?

July 10, 2016 ·  3 min read

What is the Openshift service? Openshift is a platform as a server PAAS developed by Redhat company. Basically, openshift is a cloud computing platform provider for managing application development using several languages like PHP and nodejs framework. In the current market, the cloud is a famous buzzword with similar to amazon web services.OpenShift has different plans. You can choose a plan based on your requirement. Openshift provides a free plan which gives access to 3 small gears without a credit card....


Linux/Unix - Top 6 cat command examples with tutoral

May 25, 2013 ·  3 min read

Basic Cat command examples in Linux/Unix Cat command is a simple command used by every Unix/Linux user. It is one of frequently used command in Linux/Unix Systems. Cat command works on bash, and PowerShell and shell options. Cat command behaves differently based on the different types of usage. By using cat command, we can do the following functionalities 1. Read files using the cat command 2. Create files Using cat command 3....


Top 10 ls command examples with tutorials in Linux/Unix

May 21, 2013 ·  3 min read

Top 10 LS command examples in Unix /Linux Ls is one of the frequently used commands in Linux as well as UNIX and it is important to know about this command Ls command list the names of files or directories in a directory. ls command sort the files alphabetically and output to the standard console. when ls command is executed, Linux server does inode sorting and outputs the files on alphabetically...


Best 10 Simple examples of Grep Command in linux and Unix with tutorials

May 20, 2013 ·  2 min read

Top 10 Simple examples of Grep Command with an explanation in linux Grep is a popular and powerful command in Linux and Unix operating system. Each developer and QA in software development need to know about grep command usage. Questions on Grep is asked by almost all interviews for developer/QA role. Every one in Software field must know the Grep Usage and commands Grep is used to search in a file or multiple files for matching keyword or lines....


Top 10 examples of find command in unix and linux

February 6, 2012 ·  3 min read

Best Find command examples in linux and unix:- find command is one of frequent command used in linux and unix operating systems. find command is used by unix/linux users to search the specific files in directory as well as sub directories. I use this command as part of my programming development with java for searching logs as well as java files in linux operating system. In windows enviornment, users have the ability to search the any files directly using windows explore....


Learn tar command with examples in linux or unix

January 22, 2012 ·  2 min read

Tar command in unix:- Tar command is abbreviated as tape archive.tar is one of the most popular zipped/achieve command in Unix like zipping in windows to compress the files and store all the files into single file tar.gz. tar and gzip are more popular zipped archive commands in Linux or Unix like zipping, WinRAR etc in windows. I have also blogged about Top 10 gzip examples in linux,unix for gzip usage....


Top 10 gzip examples in linux or unix

January 19, 2012 ·  2 min read

gzip example usage in Linux:- Gzip is one of the frequent command used in Linux. gzip command is used to compression of a file for reducing the size of the file. This will saves the bandwidth if the file is transferring between different systems. Moreover, the reduced size depends on the content of the file, if the content is text, it will reduce 60% and for the image, it should be 80%....


Linux sudo Command

December 1, 2011 ·  1 min read

sudo is abbreviated as superuser do. linux/unix command which is used by system administrator to give privileges to some set of users as root. This could be applied to a commond level only. To check your current sudo privileges, run this command: sudo -l...


Linux and Unix PS commands Examples

November 15, 2011 ·  4 min read

process status command Unix/Linux Examples PS abbreviated as process status command list information about the active process running in the Linux/Unix machine. this command list out all the active running process of a shell. We will see frequently used ps command examples in below sections. All these commands execute in the Linux/Unix command line ps command without arguments Ps command without arguments list out all the process of a current shell...


zgrep and zcat ussage

February 18, 2011 ·  1 min read

finding content in uncompressed files (extension, gzip). In a directory, there are many .gz files, how do we search for a particular word in those files. one solution is to unzip the .gz file and use the grep command. Here are the steps gunzip filename.gz grep “searchword” file The other and better solution is using zgrep command in unix zgrep “search word” filename.gz grep command work on text files, zgrep works on compressed logs....