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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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Distributed Compiling

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Raspberry Pi, a small single board computer is capable for a number of business and personal uses. Its benefits include lower power consumption, no moving parts, card size form factor, GPIO expansion capabilities etc. However, compiling large software packages on Raspberry Pi is very time consuming and in many cases it may even fail, especially when there are a lot of dependencies involved.
Fortunately, the compilation load can be offloaded to a desktop/server using distcc.
Distcc:
Distcc is a software …

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LVM Disk Upgradation On Server

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Disk up-gradation on live server’s is one of the most tedious of tasks. One of our clients initiated the query to upgrade his server disk on runtime with minimum down time. Also the important element was that during upgradation it is necessary to care about current running data, websites, databases etc.
We started the server upgradation task at our end and analyzed the server (health, distribution, current running websites, databases) to make it live as soon as possible if in case …

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Automate WordPress Update

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WordPress is a free & open-source tool and a CMS (Content Management System) based on PHP and MySQL. It includes a plugin architecture and a template system. It is the most popular blogging system in use on the Web & being used for almost 60 million websites worldwide.
Problem:
WordPress releases updates on a regular interval which includes Bug Fixes, Security Fixes & New Features. On current version of WordPress 4.2.2, we are managing almost 20+ installations of WordPress & …

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