Archive for 2015

24/7 Monitoring of Servers with 3rd Party Services

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It’s innocuous to say many businesses heavily bank on the stability of their IT network and infrastructure to boost their productivity and keep their customers happy. A server downtime means major loss in money and business reputation at stake. Our customer wanted his server to be monitor 24/7 but without the hassle of setting up a new server just for monitoring purposes, which is cost ineffective specially when only used for monitoring a single server. Our client wanted monitoring of …

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Different ways to run PHP on a server

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PHP is a server-side scripting language widely used for making web applications. From System Administration point of view, there are various methods which you can use to run PHP on a server, with each method having its own pros and cons. A system administrator should select a method that is best suited to his needs. Each method has a difference in file access permissions for users of content management systems such as WordPress, Joomla or Drupal. Different methods with which …

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Strengthening the Email Delivery for a Transactional Website

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Online Shopping has become the talk of the town  these days and the number of online shoppers is growing day by day. With the online shopping luxuries like smartphones, credit cards and other easy payment solutions, it has spread worldwide. The comfortable payment solutions and the higher quality standards are the prime reasons for people drifting from traditional shopping practices to online shopping. In the whole online shopping mechanism, the delivery of all online orders, their confirmations and the whole record-keeping in this …

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How to Locate a Specific Log Entry in ModSecurity Audit Log

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ModSecurity is an open source, versatile and cross-platform web application that protects a website from all possible security threats. The application also keeps extensive audit logs and can be installed with Apache & NGINX web servers. It is fundamentally used to block potential exploits with the help of Regular Expressions.
ModSecurity, being an effective element of the cPanel/WHM can identify and remove the commonly known code injection that in turn improves the overall security of the server. In an ideal …

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Domain Controller – From Upgrading to Management

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Domain Controller(DC) refers to a server in a Windows Domain which responds to security authentication requests. The importance of the Domain Controller is huge due to its ability to allow host access to Windows Domain Access. Domain Controller is very much dynamic in nature and can be asked to perform two roles. The first role that can be assigned to the Domain Controller is that of a primary server holding all the essential data and information in the perfect order. …

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Important facts to know about Server Update

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Server management is one of the most important duties that our NOC Engineers perform. It is highly important to update the server because of a number of reasons like installing security fixes, patches and improve the overall performance of the server. A server update can keep your system/application clean from any possible bug and keeps you safe from the security threats as well. There should be no compromise on the Server Update as the whole functioning of your System/Application is …

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Custom PHP Script to Improve the Functioning of the Route53

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In our previous post we discussed why we built a 3 Node MySQL Cluster. Our client used Amazon’s Route53 to monitor the site and divert traffic in case of issues on any single location.
Problem:
The Route53 was frequently reporting false positives on regular health checks of the application. It was due to excessive queries and overload of content by the application on the web servers. The web servers were there fore not able to load the required content in …

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Redmine Plugin To Import A List Of Issues From Csv File

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Our NOC Team was required to set up a dedicated Redmine Server for the Company of one of our clients. All existing project related issues provided to us in the csv file were also to be uploaded to the dedicated Redmine Server. Redmine is a free essential online open-source tool for project management and problem-tracking offering great utility to the users to manage wide range of projects and sub projects at the same time owing to its dynamic nature.
Implementation:  
It was quite …

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Custom Linux Amazon Machine Images

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Amazon has a great collection of EC2 instance types. However, most of them are generic OS installations which are sometimes not enough to give space to other Amazon features e.g. auto-scaling for a sudden surge in traffic. In such situations, a Linux AMI can be customized or created from scratch so that it is ready to be deployed whenever an up-scale event is triggered.
There are two approaches to creating an AMI image:
1- Modify An Existing AMI:
This approach …

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Control Panel In Web Hosting

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Control Panel in web hosting is a web-based utility (free or paid) that allows administrators and/or users to manage almost all the tasks from GUI (Graphical User Interface) based interface with the support of CLI (Command Line Interface). Most control panels include a basic set of features which includes DNS Management, Email System Management, FTP Management, Backup Management, Database Management and Logs Management.
Problem:
Without a control panel, it would be very difficult and time taking to setup/use all the services …

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