智能运维

Introduction It is essential to know which version of MySQL you have installed. Knowing the version number helps to determine if a specific feature is available or compatible with your system. This a…

Introduction Modern operating systems detect and synchronize time using NIST (National Institute of Standards and Technology) time servers. NIST operates an atomic clock that neither gains nor loses …

Introduction RPM is a package format used by Red Hat-based derivatives like CentOS, RHEL or Fedora. The name comes from the RPM Package Manager (RPM), a free and open-source package management system…

Introduction Ubuntu is a free, open-source Linux-based operating system, which has a long list of release versions. Finding out which Ubuntu version is running on your system can be important when tr…

Introduction There may come a time when you need to change the admin password on your Windows Server. Your recovery options depend on whether you remember the old password or not. If you are&nbs…

Introduction Ubuntu 18.04 (codenamed Bionic Beaver) is a free, open-source distribution of Linux, based on the Debian operating system. 18.04 was released in April 2018 and it is an LTS (long-term su…

Introduction Terraform is a tool that creates a single provisioned interface for several different cloud-based services. It is sometimes referred to as an "Infrastructure as Code" tool because it use…

Introduction Apache Tomcat is a free, open-source, lightweight application server used for Java-based web applications. Developers use it to implement Java Servlet and JavaServer Pages technologies (…

Introduction Node.js is an open-source cross-platform JavaScript (JS) runtime environment. If you need to build fast and scalable network applications, you may want to think about using Node.js. Apar…

Introduction Creating a new file in Linux is straightforward, but there are also some surprising and clever techniques. In this tutorial learn how to to create a file from a Linux terminal. Prerequis…