Linux, Cloud, Security and beyond
Download and install the stress test tool sudo amazon-linux-extras install epel -ysudo yum install stress -y Launch the stress test in background (for 800 seconds in that example) sudo stress –cpu 8 –timeout 800 & Check the stress test processes with the top command top Manually stop the stress test (if needed) sudo killall stress
A lot of the time, when you are editing DNS records, there is a confusion between acronyms. A Record, CNAME, MX, TXT, etc What are all these? Please read on TOP level domain > .com .net Second Level domain .co.nz .com.au etc SOA record Start of Authority record -> it just simply all details about …
There are two ways to access AWS environments. 1) Console Access 2) Programmatic Access 1) Console Access is when you access to AWS portal with your username and password. The GUI interface 2) In Programmatic Access, you are accessing AWS resources using Command lines, Powershell or SDKs. -> With Programmatic Access, you are accessing using …
Read More “AWS Access Key and Secret Access Key (SIMPLIFIED)”
It’s a common error to see when trying to log in to a server via SSH, and it has a relatively easy fix. But before we get to that, let’s get some background on why this error shows up. Why am I seeing this Error? What happened is the key you’re trying to use (key.pem …
Vivaldi is a great browser, very fast, tons of control, very good for Pravacy and security but at some point, for whatever reason if you are to uninstall Vivaldi and going back to one of the mainstream browsers like Chrome or Firefox, you might encounter errors like below. This is because you uninstalled Vivaldi and …
Read More “Failed to execute child process “usr/bin/vivaldi” Vivaldi Browser”
When trying to connect to amazon container services, ECR ( Elastic Container Registry), there are a few steps you need to configure first before successfully connecting, otherwise you will get the error like below. Error: Cannot perform an interactive login from a non TTY device check docker version, if no docker installed, install it first.$docker …
Read More “How to fix Error: Cannot perform an interactive login from a non TTY device”
Terraform is a IaaC tool developed by Hashicorp. It can be used with multiple platforms like AWS, Microsoft Azure, GCP and provision different environments. Running Terraform is simple, you simply need to install Terraform first on the host you intend to run, whether it be local, remote or cloud hosts. Move to desired location /usr/local/bin. …
Read More “Terraform walk through with AWS creating S3 buckets”
Here are some Azure tutorials that I have created.The reason why I create video tutorial is because I can help others while I am improving myself learning.To create a tutorial, I need to know every single details about my topic. Therefore I got to prepare more and learn more by creating these tutorials. These contents …
With Infrastructure as a Code IaaC, you can manage any infrastructure such as Network, Servers, Storage and Applications. There are many common IaC tools. Although you can use any combination of these tools to create similar solutions, these are strength in each tools and these are my preferences to achieve different goals. Image Templates You …