Docker is a technology that allows you to build, run, test, and deploy distributed applications that are based on Linux containers. Docker is available on many different operating systems, including most modern Linux distributions, like Ubuntu, and even Mac OSX and Windows.If you are using Amazon EC2 already, you can launch an instance and install Docker to get started. Youtube…
DevStack is an opinionated script to quickly create an OpenStack development environment. It can also be used to demonstrate starting/running OpenStack services and provide examples of using them from a command line. This post is going to present the steps how to install DevStack into a VMware workstation Ubuntu VM. Youtube Video: 1. Prepare Ubuntu VM This Ubuntu Virtual machine…
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 suits a wide variety of deployments. For open source communities, CentOS offers a solid, predictable base to build upon, along with extensive resources to build, test, release, and maintain their code. CentOS uses the Red Hat…
Gartner has named Proofpoint (Wombat Security) a Leader in Security Awareness Computer-Based Training for a couple of years as far as I could find. There are many functions and features I like, but one thing I specially liked is how easy you can setup a training just with a couple of clicks and some basic information entered. The templates from…
Based on Wikipedia, PyCharm is an integrated development environment (IDE) used in computer programming, specifically for the Python language. It is developed by the Czech company JetBrains. It provides code analysis, a graphical debugger, an integrated unit tester, integration with version control systems (VCSes), and supports web development with Django. PyCharm is cross-platform, with Windows, macOS and Linux versions. The…
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 packages that need upgrading, as well as new packages that have just come to the repositories. sudo apt-get upgrade : will fetch new versions of packages existing on the machine if APT…
Symptoms: One of my clients reported a Cisco AnyConnect issue. It only happened to his machine and later we found that is because he is using Mac machine. His credential works fine if he uses it at windows machine. From following screenshot, obviously there is Mac AnyConnect package missing from vpn gateway. Error Messages: “VPN The AnyConnect package on the…
Here are some scripts and methods to do remote troubleshooting or running some commands in remote machines. I found they are very useful especially in a enterprise environment if you have your domain admin account. Prerequisites to run remote commands: Install .NET Framework 4.5.2 from \\shareserver\it\$Install\Scripting prerequisites\NDP452-KB2901907-x86-x64-AllOS-ENU.exe or from https://www.microsoft.com/en-ca/download/details.aspx?id=42642 Install Windows Management Framework 5.1: copy the folder \\shareserver\it\$Install\Scripting prerequisite\Windows Management…
VanDyke SecureCRT provides IT pros a very user-friendly client to manage command line devices and SSH hosts with. Connecting to devices securely is one thing, and there are other products that can achieve this goal, but with SecureCRT, multiple connections can be managed in tabs to allow you to work between sessions without changing windows. Here are some my favourite settings…