My test platform: CentOS Linux release 8.1.1911 (Core)
User with root privileges or non-root user with sudo privileges. Make sure that your hardware platform supports virtualization by running the following command:
$ grep -e 'vmx' /proc/cpuinfo # Intel platforms
$ grep -e 'svm' /proc/cpuinfo # AMD platforms
$ lsmod | grep kvm # Confirm that KVM modules are loaded in the kernel
Requirements: user with root privileges or non-root user with sudo privileges.
1. Edit the /etc/firewalld/firewalld.conf.
2. Find LogDenied=off.
3. Replace LogDenied=all.
4. Restart the firewalld service.
Continue readingJetty is a free and open-source Java HTTP server. Jetty has a small footprint, is embeddable, full-featured and supports SPDY, WebSocket, OSGi, JNDI, JAAS and many other integrations.
Requirements: user with root privileges or non-root user with sudo privileges.
Continue readingRequirements: user with root privileges or non-root user with sudo privileges.
My testing environment:
Update your operating system packages and install Bind server:
$ sudo dnf update -y
$ dnf install bind bind-utils -y
$ sudo systemctl start named.service
$ systemctl status named.service
$ sudo systemctl enable named.service
My test platform: CentOS Linux release 7.6.1810 (Core)
Memcached is an open source distributed memory object caching program that allows improve and speed up the performance of dynamic web applications by caching data and objects in memory. Memcached is also used to cache entire database tables and queries to improve the performance.
Continue readingMy test platform: CentOS Linux release 7.6.1810 (Core)
Requirements: user with root privileges or non-root user with sudo privileges.
$ sudo yum install java-1.8.0-openjdk-devel -y
$ java -version
openjdk version "1.8.0_212"
OpenJDK Runtime Environment (build 1.8.0_212-b04)
OpenJDK 64-Bit Server VM (build 25.212-b04, mixed mode)
Requirements: user with root privileges or non-root user with sudo privileges.
$ sudo apt update && sudo apt upgrade -y
$ sudo apt install default-jdk
$ java -version
Requirements: user with root privileges or non-root user with sudo privileges.
$ sudo dnf update
$ sudo dnf install java-1.8.0-openjdk-devel
# or
$ sudo dnf install java-11-openjdk-devel
$ java -version