Technical Solution

We had just completed switching our site from Windows IIS MySQL PHP to LAMP environment. As the deployment was via git, we downloaded project files with the ftp credentials and deployed the site via git. However, the 'sites/default/files' folder were of some GBs in size. We only had ftp credentials and was unable to get a compressed copy due to certain reasons. What we did to resolve the problem was use wget command to copy files recursively.

Nmap(Network-mapper) is an open source tool that is pretty useful for networking scanning. This tool provides various options that are useful for carrying out security audits. Nmap is a powerful tool used to check the network inventory, host uptime etc. If you are a GNU/LINUX administrator, you may find the following 10 Nmap commands extremely useful Some of the useful Nmap commands are as mentioned below:

If you are using GNU/Linux, you are likely to be familiar with the command line, usually Bash, which of course means that you would be working with tar archives (tape archives). The need to extract a single file from a tar archive/file is a common situation faced by bash users. Read on to know how to do it.

One of our Drupal projects required the value of a text field to be changed according to the country selected in a particular select field. This is a common situation encountered by web developers when working on HTML. This can be easily achieved using jQuery. Read on to know more

Suppose you are working in OpenOffice Calc. Your requirement is to copy the Column B value into Column A, if Column A is blank. If the columns have lots of cells, filling it manually is extremely tedious. So, read on to know how to do it.

I have a number of affiliate links in my page. The affiliate links are generated dynamically and so, I don't know the number of affiliate links generated in the current page. I had a requirement to open all affiliate links simultaneously upon clicking on a search all link in my page. Initially, I was not aware of the jQuery each function. So, I placed all the affiliate links in a particular div and used the size function to get the number of 'a' tags inside that div and used a 'for loop' to iterate through the 'a' tags and applied the behavior. However, after that I found there is an each function in jQuery, which can be used to itereate through all the elements with a particular identity.

Often, when you update styles or images on your website, the users of your web application might still get the old logo or style. This is because the browser caches the resources on your web application. Hence, when the user tries to access the application, it will be loaded from the local computer, not from the server. Here is a solution for this issue. Read on to know how to expire cached resources on your browser from your web application itself.

We have seen how to pass banner ad attributes to landing pages in our previous article, How to pass openx banner ad attributes to landing pages. We have passed the banner ad attributes supported by Openx using magic macros. Now, what if the variable that we want to pass is not available in the list of macros supported by OpenX? Read on to find out how to pass custom site variables in openx to landing pages.

One of our partners came to us with a very innovative requirement for their OpenX banner ads that we placed on our site. Our partner wanted to pass the ad name and source(zone) as variables to landing pages. They basically wanted to pass the openx banner ad attributes to landing pages so that the landing pages could be modified accordingly. We thought it was a good idea and proceeded to modify it.

The apt-cacher-ng configuration requires certain changes to be made on the client side. Few changes has to be made on the client system so that during the download process the client system can check for the packages in the apt-cacher-ng server. And if the apt-cacher-ng server doesn't have the required package it will download it from the web. So the client configuration helps to make the download more faster and also helps to reduce the internet connection usage. The few things that are to be noted before configuring apt-cacher-ng clients are

SSH Protocol's features can be changed using the sshd_config file.The sshd_config file is the main configuration file that allows the user to make the changes in the features of SSH protocol. This file resides in /etc/ssh folder. There are many features for this protocol and these can be made or changed according to the users needs. By making configuration changes, the protocol also provides more security to the user and server/system that we are using. Some of the main features of the SSH protocol are listed below.