Tag Archives: linux news

Book Review: FreeBSD Mastery: Specialty Filesystem

Book Review: FreeBSD Mastery: Specialty Filesystem
FreeBSD Mastery: Specialty FilesystemsA filesystem is nothing but the data structures that an operating system uses to keep track of files on a disk. The filesystem stores your pictures, music, videos, accounting data and more. The different operating system comes with various filesystems. You may need to move data between FreeBSD and other Unix-like systems like OS X or Linux based device. Knowing all about filesystem help us to archive or move data between system. The “FreeBSD Mastery: Specialty Filesystem” is an essential, practical and well-written book.
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How to gzip and keep original file on Unix or Linux command line

How to gzip and keep original file on Unix or Linux command line

I would like to compress a log file using gzip Unix command line utility, and I would also like to keep the original file. However, when I use the gzip my-app.log command, results in modifying my log file and renaming it my-app.log.gz. How do I force the gzip command to keep original file while maintaining the original file on Linux or Unix-like system?
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Unix / Linux: Remove duplicate lines from a text file using awk or perl

Unix / Linux: Remove duplicate lines from a text file using awk or perl
I have a text file with exact duplicates of lines. I need to remove all those duplicates lines and preserves the order too on Linux or Unix-like system. How do I delete duplicate lines from a text file? You can use Perl or awk or Python to delete all duplicate lines from a text file […]
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How to check Debian/Ubuntu Linux package version using apt-get/aptitude command

How to check Debian/Ubuntu Linux package version using apt-get/aptitude command

I am a new Debian / Ubuntu Linux sysadmin. I would like to find out what version I would install if I ran the apt-get command. How do I find out which versions of a package can I install using apt-cache/apt-get command? How do you check package version using apt-get/aptitude on Debian or Ubuntu Linux server?
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How to configure Nginx with free Let’s Encrypt SSL certificate on Debian or Ubuntu Linux

How to configure Nginx with free Let’s Encrypt SSL certificate on Debian or Ubuntu Linux

How do I secure my Nginx web server with Let’s Encrypt free ssl certificate on my Ubuntu Linux 14.04 LTS or Debian Linux 8.x server?
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