What is Semaphore? Well, we need a discussion on Semaphore concept under Linux as it plays major role in a Multi Processing System. Some time we need to review the current Semaphore status on the server and need to kill unwanted/unused…
MySQL tweaking – best practices and tips for SysAdmin
Why MySQL tweaking? We all need fast, reliable and secure environment for our online space. Almost all websites has its own databases to store its data. MySQL is one of the most widely using relational database service to manage user…
Dockerize your NodeJS app with Nginx as reverse proxy
Normally Dockerizing the Node application is a simple task. We can use the direct on-build images available in Docker hub directly in most cases. That Docker image is enough to deploy the NodeJS application. All versions of on-build Node image…
Migrate accounts from DirectAdmin to DirectAdmin painlessly
Hi folks, As a server admin we’ve to handle multiple servers with control panel and without it. DirectAdmin is also one among the popular control panel in the web-hosting industry with its default port 2222. Most of all server admins…
How to save/backup existing iptables rules to a file – Iptables commands
Iptables or iptables rules plays an important role in server administration part. You can secure your servers by using iptables rules. Here is an example which gives you an idea about ‘how to backup existing iptables rules‘ in to a text…
PHP error reporting – difference between E_ALL, E_ALL & ~E_NOTICE & ~E_ALL
I’m confused about this settings. What are the differences? Here, I’m talking about the basic idea behind php error reporting. This is a PHP function which defines how PHP report errors to server error logs. The error_reporting() function sets the error_reporting directive…
Advantages and disadvantages of Shared hosting – A clean view
We have discussed the basic idea of Web-hosting concept in one of our previous post. In that article, I explained the basic concept of web hosting, different types of web-hosting environments, web-hosting types with examples. You can recollect those details from…