Sometimes there may be too many columns crammed into a single file. That makes it difficult to read the content of the file and point out which data belongs to which column. In order to have a better view, we ca use certain commands that will allocate space between the columns and also mark some separation characters that will make it clear to see the beginning and end of the column.Sample FileLets’ look at the below sample file which we will use to demonstrate the column command. $ cat iris.dataRunning the above code gives us the following result −Id, SepalLengthCm, ... Read More

Now you can upload a 7-second video as your profile pic. Isn’t that great? You can upload a fun-filled video or just a formal introduction in just that small little profile space describing you.Along with the profile video, you can now, highlight your bio-data with a 100-character bio field.And we have an updated mobile-centric design with centered profile photos. You want more? Facebook has Big sections for photos and friends, temporary profile pics, option to pin feature photos to the top of the profile! What more can you ask for?This helps you to highlight the most important things in your ... Read More

Do you wish to access your personal documents remotely, or music / videos, photos stored on your personnel computer, or on your mobile phone while you are travelling or when you are in office? The simplest solution is to copy all your data from the source to a portable hard drive and then carry it around. However, this is a cumbersome approach as you would require syncing manually the home computer with your portable disk.There are many other innovative ways these days. In this article, let us explore to see some technologies, tools to make this job easier whenever & ... Read More

Along with food, shelter and money internet and smart phone have become our basic necessities. Talking about smart phones along with all other criteria one unspoken necessity we all expect from our phone is front camera for selfies. A selfie for every mood, every moment happy, sad, angry or busy doing nothing.Earlier after taking a selfie limited editing options were available, but thanks to advancement in technology we can make our picture more beautiful or funny just as we want. A new app Lollicam helps us apply cinematic effects in selfies that makes picture more appealing. Pictures give you complete ... Read More

Did you get to take one file on a Linux or Unix approach and replicate it to a whole bunch of alternative directories? Then, this article is for you to copy a file to multiple directories in Linux/Ubuntu.Using with cp and xargsTo copy a file to multiple directories in Linux/Ubuntu, use the following in command –$ echo dir1 dir2 dir3 | xargs -n 1 cp file1In the above command, we are copying file1 to dir1, dir2, and dir3 directories.The sample example of the above command is as shown below −$ echo Music Videos Desktop | xargs -n 1 cp httpstat.pyIn ... Read More

In this article, we will learn how to increase the swap space, which will solve the memory errors in applications. This will cover how to add a swap file to an Ubuntu Linux.Anyway, this is recommended to utilize the spinning hard disk drivers for swap as SSD can cause issues with hardware degradation over time. Due to this reason, do not enable swap on Cloud where the SSD storage is provided.What is Swap file?The Swap is a place where the OS can store temporary data as it can no longer holds in RAM. Basically, this will increase the ability of ... Read More

Use ImageMagick to create, edit, compose or convert bitmap pix. It could actually read and write snapshots in a type of codecs (over 200) including PNG, JPEG, JPEG-2000, GIF, TIFF, DPX, EXR, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and develop into snapshots, alter image colors, follow various certain effects, or draw text, lines, polygons, ellipses and Bézier curves.This article explains about -“How to Install ImageMagick on Ubuntu”Before installing ImageMagick, It should be required, to build essentials as shown below –$sudo apt-get install build-essential checkinstall && apt-get build-dep imagemagick -yThe sample output should ... Read More

In this article, we will learn about how to configure SFTP without enabling the shell access on Ubuntu 14.04, SSH File Transfer Protocol (SFTP) which is a secure way to transfer files from various a servers are to a server using the SSH encrypted connections, which is a different protocol from File Transfer Protocol (FTP) which is supported by all the FTP clients.Protocol (SFTP) is a secure way to transfer files from various servers to a server using the SSH encrypted connections, which is a different protocol from File Transfer Protocol (FTP) that is supported by all the FTP clients.SFTP ... Read More

In this article we will learn about how to configure SFTP without enabling the shell access on CentOS 7, SSH File Transfer Protocol (SFTP) which is a secure way to transferring files from servers to a server using the SSH encrypted connections, which is a different protocol from File Transfer Protocol (FTP) that is supported by all the FTP clients.SFTP can be configured by using default configurations on all the servers which had the SSH access enabled on the machine. SFTP is a secure and easiest way to use, which has a disadvantage in the standard configuration, which allows terminal ... Read More

This article shows you how to use the Linux pkill command to kill running processes within Linux by using a name. Pkill (see pgrep) is a command-line utility while Solaris 7 process is running. pkill works on a currently active running process and lists down process ID’s which matches with the criteria.To kill a process by name in Linux, use the following command –pkillTo get a list of process in Linux, use the following command –$ ps -AThe sample output should be like this –PID TTY          TIME CMD    1 ?           ... Read More