lxml is a python library used for processing XML and HTML.In this post we will learn, how to install lxml by using pip command. We will use pip to install lxml on Ubuntu 14.04 LTS. It is important to install dependency prior using pip command to install lxml Install the dependencies. sudo apt-get install libxml2-dev…
In this post we will know about sed command to display text between two strings or keywords or words . Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline) (Definition Reference from man page of sed). Knowledge of…
In this post we are sharing tips to remove html tags by using sed command. Today, while working on migration of site from wordpress to static site, I used lots of sed command. I am sharing some sed command which are always successful for me. In html tags generally the tags are coded in this…
sed is stream line editor utility in unix operating systems.sed is a line-oriented text processing utility: it reads text, line by line, from an input stream or file, into an internal buffer called the pattern space. Each line read starts a cycle. To the pattern space, sed applies one or more operations which have been…
In this post I am sharing the trick to edit file without opening it. To achieve this task we will use vi editor. vi is very well known,popular,ultimate and awesome editor and by default available in all Unix/Linux operating system. Syntax: vi -c ‘COMMAND|wq’ /path/of/file Example: We will replace a keyword with new keyword in…
It was time to take backup of mysql database of my server. I run the command mysqldump with some options and found the error, ” mysqldump: Got error: 145: Table ‘./DB/table-name’ is marked as crashed and should be repaired when using LOCK TABLES ” I have seen this error before but not written on this…
It was shiny morning and at the time of taking tea at home. I opened my laptop and login into my server. Recently, I changed the apache MPM to worker mode. Running php-fpm and mod_fcgi to run the WordPress based blog. After a few days of Worker apache implementation, I checked the php-fpm log directory…
Jekyll is a static site generator, ruby based free software. It is written by Tom Priston Werner , GitHub’s cofounder. In this post we will install the latest jekyll 2.0 version. Whereas the steps are applicable to previous version(Jekyll 1.0) also By using jekyll you can create awesome blogs, writing the post and pages in…
The post explains, how to install Octopress on Ubuntu 14.04 LTS. Octopress is a jekyll based framework. It has lots of many feature. Best part is, it is static site generator. Many website and blogs have been migrated to Octopress. Install Octopress on Ubuntu 14.04 LTS Follow the given below steps to install Octopress on…
Octopress, which is now a days considered as awesome html site generator.It is a framework based on Jekyll.Regulalry I explore the Octopress and Jekyll both. Octopress has lots of feature over jekyll. In my last, I wrote post on How to install Octopress on CentOS/Redhat. This time , I tried new Octopress installation on Ubuntu…
Yesterday evening, I was working on my CentOS Server which has php-apc already installed. It was some error I found and after solving I was just monitoring it. I made a thought to try to install php-apc on newly arrived Ubuntu 14.04 Server Edition . Installing php-apc is easy steps. I installed the php 5.5…
SSH, the abbreviation is Secure Shell. It is a software program use the secure shell protocol to accept connection from remote computers.SSH is TCP based protocol. By default the ssh protocol listen at port no. 22 . You can also customize the port number but always remember while changing the ssh port no. it should…
FAQ : How to set root password on Ubuntu / Debian / Linux Mint Operating system ? How may I also check , the root password is working ? Answer: Ubuntu is Debian based operating system. Whereas Linux Mint is based on Ubuntu and Debian both. Set / reset root password on Ubuntu / Debian…
In this post we will learn how to use grep command to remove commented lines. We can also use egrep command which is extended form of grep command. As a Linux System Engineer, I mostly use some of the command. Most of the time when I am busy in playing on system, I generally meet…
FAQ : How to use grep command to remove blank lines from file Answer: To remove the blank lines from file, use the given below syntax grep -v ‘^$’ /path/of/file-name In above command, -v = Invert the sense of matching, to select non-matching lines ^$ = It is regex. ^ means start with and $…