Understanding npm link

Symlink a package folder. Consider the example where you have test package inside node modules and you want to change in that package. You could make changes in node_modules and manually copy the changes to the git repository of the dependency once you are done. But there is a much cleaner approach: npm link. Package … Read more

Modal/Popup window in WordPress admin

If you need to create modal/popup window in WordPress admin, its easy. You can use buit-in thickbox jquery library. It’s very well documented @ https://codex.wordpress.org/Javascript_Reference/ThickBox, though lets see quick integration sample code below. Load thickbox js and css by calling function <?php add_thickbox(); ?> Add a link to html with class name ‘thickbox’ example below – … Read more

Upgrading Ubuntu, do-release-upgrade vs upgrade

It depends on which ubuntu version you have and upgrade to? Let’s see difference first : do-release-upgrade – will upgrade to next release from version installed. Example use this to upgrade from 14.04.5 LTS to 16.04.1 LTS upgrade – upgrade will install/upgrade to latest versions of all installed packages.

CSS Less @keyframes animation error

How to solve when you get Less @keyframe animation error. Follow the following steps: Check less version and upgrade it if it is not latest globally by sudo npm install less@3.9.0 -g Check less version by   lessc -v  If above command gives an error “/usr/bin/env: ‘node’: No such file or directory” then run below command … Read more

Installing Zip and Unzip on Ubuntu

To install Zip and Unzip by using the apt-get install command, perform the following steps. Enter the following command to download the package lists from the repositories and update them: Enter the following commands to install Zip and Unzip: To verify whether Zip and Unzip are installed correctly, run the following commands:

Installing cURL on Ubuntu

Steps to install cURL by using the apt-get install command on Ubuntu Enter the following command to download the package lists from the repositories and update them: Enter the following command to install cURL: To verify that cURL is running correctly, enter this command:

Installing the OpenJDK Java environment on Ubuntu

To install the OpenJDK Java environment for Ubuntu by using the apt-get install command, perform the following steps. To make openjdk-8 available to the APT environment, perform the following steps: Enter the following command to add the Personal Package Archive (PPA) for Java SE Development Kit 8: Enter the following command to download the package lists from … Read more

Installing OpenSSH on Ubuntu

Steps to install OpenSSH by using the apt-get install command. Enter the following command to download the package lists from the repositories and update them: Enter the following command to install the OpenSSH server: To check the version of OpenSSH that is running, enter the following command: