Benchmark Linux Disk Read/Write Speed
hdparm is a command line utility to set and view hardware parameters of hard disk drives. It can also be used as a simple benchmarking tool. Install hdparm CentOS #…
Some Popular Linux VPS Bench Scripts
Cloud service providers often define host tiers by the allocated resources, but the differences in the underlying hardware, architecture and performance tuning can result in varying capabilities even between similar…
Monit – Linux Open Source System or Process Monitor Program
1. What is Monit? Monit is a utility for managing and monitoring processes, programs, files, directories and file systems on a Unix like system. Monit conducts automatic maintenance and repair…
Linux Virtual Machine PHP Invoked OOM-killer (Out of Memory) Issue
One of my GCP VM is running at f1-Micro type which only has limited memory, 614MB. From syslog, I found it has a PHP invoked OOM killer messages. This usually…
Ubuntu Basic System and Service Configuration Commands
1. Update / Upgrade Commands sudo apt-get update : In a nutshell, apt-get update doesn’t actually install new versions of software. Instead, it updates the package lists for upgrades for…
Install Portainer to Manage Containers – Nginx, MySQL, WordPress
Portainer is a lightweight management UI which allows you to easily manage your different Docker environments (Docker hosts or Swarm clusters). It is meant to be as simple to deploy…
Kali Usage Tips and Tricks
Kali Linux is a Debian-based Linux distribution aimed at advanced Penetration Testing and Security Auditing. Kali contains several hundred tools which are geared towards various information security tasks, such as…
CentOS Basic Configuration and Services/Software Installation (Docker, Vsftp, Samba, etc)
The CentOS (Community Enterprise Operating System) Project is a community-driven free software effort focused on delivering a robust open source ecosystem. For users, CentOS offers a consistent manageable platform that…
Ubuntu 16.04.5 LTS (Xenial Xerus) Installation Step by Step in VMWare Workstation (Not Easy Installation)
1. Ubuntu16.04 Installation 1.1 VMware Workstation Virtual Machine Creation for not easy installation If you are using VMware workstation , by default, system will do easy installation for you, which…
Install OpenVAS on Ubuntu
OpenVAS is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution. The framework is part of Greenbone Networks’ commercial vulnerability management…
Metasploit Installation on Windows 7 and 10
The Metasploit Framework (MSF) is far more than just a collection of exploits. It’s an infrastructure that you can build upon and utilize for your custom needs. This allows you…
Kali Virtual Appliance Installation and Usage
Kali Linux is the world’s most powerful and popular penetration testing platform, used by security professionals in a wide range of specializations, including penetration testing, forensics, reverse engineering, and vulnerability…