Redis is an open source, advanced key-value store and a serious solution for building high-performance, scalable web applications. Redis has three main peculiarities that set it apart from much of its competition: Redis holds its database entirely in memory, using the disk only for persistence. Redis has a relatively rich set of data types when […]
1. Mô hình Các bước cài đặt HA và LVS cho các máy chủ Load balancing và database * heartbeat o heartbeat-pils o heartbeat-stonith * heartbeat-ldirectord o ipvsadm o perl-MailTools + perl-TimeDate o perl-Net-IMAP-Simple o perl-Net-IMAP-Simple-SSL + perl-IO-Socket-SSL # perl-Net-SSLeay o perl-Mail-POP3Client […]
For the purpose of this tutorial, I will be using three nodes. One will be acting as Master DNS server, the second system will be acting as Secondary DNS, and the third will be our DNS client. Here are my three systems details. Primary (Master) DNS Server Details: Operating System : CentOS 7 […]
Iam new Red Hat Enterprise Linux version 7 user/sysadmin/developer. This version made the big number change for RHEL 7/CentOS 7. How can I install LAMP (Linux, Apache, MariaDB, PHP) stack on a RHEL version 7 or CentOS Linux version 7 using CLI or over ssh based session? Tutorial details Difficulty Easy (rss) Root privileges Yes Requirements […]
Bài viết này tôi cung cấp cho các bạn một cách đơn giản để kiểm tra xem hệ thống thư điện tử bên bạn đã pass qua bước bảo mật cơ bản hay chưa? Các bước thực hiện như sau:Bước 1: Mở cửa sổ cmd bằng cách chọn Start —> Run, hoặc nhấn phím Windows […]
Bài viết hướng đẫn cài đặt Memcached, thư viện để php có thể kết nối tới memcached. Bước 1 Download libevent , cài đặt :#tar -xvf libevent-1.3b.tar.gz#cd libevent-1.3b#./configure#make#make install; Bước 2 Download memcache, cài đặt :#gunzip memcached-1.2.1.tar.gz#tar -xvf memcached-1.2.1.tar#cd memcached-1.2.1#./configure#make#make install; Bước 3Tạo liên kết cho memcache :#ln -s /usr/local/lib/libevent-1.3b.so.1 /lib/libevent-1.3b.so.1memcached -d -u nobody -m 512 127.0.0.1 -p 11211 […]
Contents 1 Introduction 2 Requirement 3 Detect using WhatWeb 4 Detect using Nmap 5 Detect using Nikto 6 Detect & exploit using DAVtest Introduction WebDAV is an acronym for “Web-Based Distributed Authoring and Versioning” It consists of a set of extensions for the HTTP protocol and is widely used for applications that require users to […]
There are many ways you can hack a computer – RATs, Keyloggers, bots and Password Stealers.In this tutorial I will teach you how to set up your own Keylogger and also protect yourself against them. What is a Keylogger? A keylogger is a program that records a persons keystrokes (everything they type) and send the […]
System admins are frequently bombarded with security concerns, requests, alerts, news items, “did you see this?!” emails, and more. Keeping up with all the aspects of network security can seem like an overwhelming task, but in this post we’re going to look at ten tools a system admin can use to help secure their network. […]
By Thomas Carriero This tutorial gives you easy-to-follow instructions, with screenshots, for setting up a compiler (the MINGW compiler), a tool that will let you turn the code that you write into programs, and Code::Blocks, a free development environment for C and C++. This tutorial explains how to install Code::Blocks on Windows 2000, XP, Vista […]