Showing posts with label Linux. Show all posts
Showing posts with label Linux. Show all posts

Tuesday, 12 November 2013

SCRAPY INSTALL IN LINUX MINT

Scrapy is a tool used for web - crawling

STEP 1:


Check python version in your machine

python -- version



If python is not installed, install it using

sudo apt-get install python



STEP 2: ( Install Dependencies )


Scrapy depends on two pacakages "python-setuptools" and "pythonX.X.X - dev "

NOTE: X.X.X - indicates the version Example: 2.7.3

sudo apt-get install python-setuptools python2.7.3-dev



STEP 3:


Install Scrapy using "easy_install" or  "python-pip"

To install using easy_install

easy_install scarpy



To install using python-pip

pip install scarpy



STEP 4:


To check whether it is installed correctly, enter scrapy in command line.

On successful installation you will get

Selection_002

Sunday, 10 November 2013

DPKG Error : Sub-process /usr/bin/dpkg returned an error code (1)

While installing some software using linux terminal, we may encounter error like this

Sub-process /usr/bin/dpkg returned an error code (1)



I got this error while installing a library file "libpam0g:i386".

Dpkg - Error

Just see the 4th line of this error.

dpkg: error processing /var/cache/apt/archives/libpam0g_1.1.3-7ubuntu3_i386.deb (--unpack):



The error can be rectified by using the command

sudo dpkg -i --force-overwrite /var/cache/apt/archives/libpam0g_1.1.3-7ubuntu3_i386.deb