4 ways to get Postgresql version
As a popular and powerful open-source relational database management system, PostgreSQL is widely used in many applications. In this post,…
3 ways to Check RPM package dependency in Linux
This article is part of the following series. RPM packages can contain not only the software itself but also…
6 ways to troubleshoot ssh: connect to host port 22: Connection timed out
A connection timeout means that the client attempted to establish a network socket to the SSH server, but the server…
4 ways to list files within a rpm package in Linux
This article is part of the following series. If you’re working with an RPM-based Linux distribution, you may need…
How to use Linux systemctl command
systemctl is a command-line utility in Linux operating systems that is used to control and manage the system’s services, daemons,…
3 ways to check FIPS mode in Linux
FIPS stands for Federal Information Processing Standards—a set of standards and guidelines developed by the U.S. federal government to establish uniform…
2 ways to check selinux status in Linux
Security-Enhanced Linux (SELinux) is a security architecture for Linux systems that allows administrators to have more control over who can…
3 ways to get AWS S3 bucket size
When it comes to Amazon Web Services (AWS), S3 is one of the most popular services. This is because S3…
3 ways to get AWS EC2 Instance ID
If you’re running a business on Amazon Web Services (AWS), then you know that instances are an important part of…
Understanding /etc/resolv.conf file in Linux
The file is a configuration file used by the Linux operating system to store information about Domain Name System…