Both Perl and Python are powerful scripting languages that are used extensively in software development, system administration, and data analysis. Here are some key differences between the two languages: In recent years, Python has become the preferred language for many tasks, particularly in the areas of data science, machine learning, and web development. This is… read more »
Here’s a Linux bash script that performs the following tasks: #!/bin/bash # Prompt user to enter directory path echo “Enter a directory path:” read directory # Check if directory exists and create it if not if [ ! -d “$directory” ]; then mkdir “$directory” echo “Directory created: $directory” fi # Prompt user to enter file… read more »
In Java, varargs (variable-length arguments) are a feature that allows a method to accept an arbitrary number of arguments of the same type. The varargs feature was introduced in Java 5 and is denoted by an ellipsis … after the parameter type in the method signature. Here’s an example of a method that uses varargs:… read more »
Securing a Linux system can be a complex task, and there are many potential pitfalls and mistakes that can compromise the system’s security. Here are some of the most common mistakes with examples: To improve the security of a Linux system, here are some best practices that you should follow: In summary, securing a Linux… read more »
iptables and ipsets are both tools that are commonly used in Linux-based operating systems for managing network traffic. However, they serve different purposes and have different capabilities. iptables is a firewall tool that allows you to configure rules for filtering and manipulating network traffic. It uses a set of predefined chains (INPUT, OUTPUT, and FORWARD)… read more »
Java is a cross-platform language, which means that Java applications can run on a variety of operating systems, including Linux and Windows. The performance of Java applications can depend on a variety of factors, including the specific implementation, the hardware and software environment, and the workload of the application. In general, Java applications tend to… read more »
Tengine seems to be a popular web server for Chinese websites. I’ve come upon it while browsing through Aliexpress and stumbling upon a 404 error: This error and more specifically its footer “Powered by Tengine” stirred up my interest and so I started looking for more information about this unknown to me web server. Here… read more »
Chef (the systems integration framework) provides a standalone tool called chef-solo. With chef-solo you can run locally chef recipes without the need for a centralised server (Chef master). This is great for getting started with chef, testing recipes or when you just don’t want a centralised Chef master. In this article we’ll go through a… read more »
AppArmor is the default Mandatory Access Control module on Ubuntu, SuSE and other Linux distributions. Thanks to it, you can limit the filesystem access of a process. There are already some good howtos for getting a basic setup of Apparmor for Php-fpm. Though, in cases such as that of running multiple sites securely with Php-fpm, you… read more »
You can install Azure Python package either for Python 2 or Python 3 using pip (Python package index). Before you are able to install it though you have to: First, make sure pip is installed, of course. It’s available on most Linux distributions such as python-pip (for Python 2) or python3-pip (for Python 3). Second,… read more »