Tìm hiểu về các thông số: IOPS, Latency và Throughput
IOPS, Latency và Throughput là ba khái niệm mà bất cứ Sys Admin nào cũng cần quan tâm, khi bắt đầu xây dựng hệ thống …
10 comment for CEPH administrator
If you’ve just started working with Ceph, you already know there’s a lot going on under the hood. To help you in your journey to …
How to install Flashcache on Centos
Flashcache is a kernel module released by Facebook engineer back in April 2010 to speed up database I/O on a standard rotational drive with the speed …
Tìm hiểu về Ansible
Ansible là gì: Việc cài đặt và cấu hình các máy chủ thường được ghi chép lại trong tài liệu dưới dạng các câu lệnh …
Understanding Systemd Units and Unit Files
Introduction Increasingly, Linux distributions are adopting or planning to adopt the systemd init system. This powerful suite of software can manage many aspects of your server, from …
How to install OpenResty on Linux
OpenResty® is a full-fledged web platform that integrates the standard Nginx core, LuaJIT, many carefully written Lua libraries, lots of high quality 3rd-party Nginx modules, and most of their external …
How to get started with Firewalld
Firewalld is the new userland interface in RHEL/ Centos 7. It replaces the iptables interface and connects to the netfilter kernel code. It mainly improves the security rules management by allowing configuration changes …
How to Install NodeBB on CentOS 7
NodeBB is a modern, open source, and NodeJS-based forum software. With customers in mind, NodeBB offers community owners powerful features and ease of use to …
Centos 7: installing deltarpm (Delta RPMs disabled)
If you get this error when running yum update then the problem is that you’ve installed minimal centos with some packages missing. To solve the …
How to install NGINX Amplify on Linux
What Is NGINX Amplify? NGINX Amplify is a tool for comprehensive NGINX monitoring. With NGINX Amplify it’s easy to proactively analyze and fix problems related to …