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Kernel-based virtual machines (KVM) and cloud server management.

Troubleshoot and Fix Windows Problems

Troubleshoot and Fix Windows Problems

Posted by By Mike Goh April 18, 2022Posted inDevelopers Technical TutorialsTags: ServersNo Comments
Introduction I have encountered various Windows problems and had to troubleshoot them while working as a system administrator dealing with Active Directory, Print server, and Level 1 support for end-user laptops. Some fixes are worth noting down because they are…
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Using Ansible to Automate Deployment for Apps and IT Infrastructure

Using Ansible to Automate Deployment for Apps and IT Infrastructure

Posted by By Mike Goh July 3, 2020Posted inDevelopers Technical TutorialsTags: DevOps, ServersNo Comments
Introduction Ansible is one of the few configuration management tools in the DevOps environment. It is an infrastructure automation platform used to deploy our applications and systems rapidly to enable continuous integration and continuous deployment. While there are others like…
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Which Cloud Providers for Cheapest On-demand Pay-as-you-go Hourly Prices

Which Cloud Providers for Cheapest On-demand Pay-as-you-go Hourly Prices

Posted by By Mike Goh May 2, 2020Posted inSoftware and Web Services ReviewsTags: Cloud, ServersNo Comments
I never had to buy any on-demand virtual machines (VMs) for my app development. This is because I am always subscribed to 2-3 Virtual Private Server (VPS) on yearly plans from lesser-known host providers which is cheaper than the usual…
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Change Port and Disallow Root Login to Secure SSH Server

Change Port and Disallow Root Login to Secure SSH Server

Posted by By Mike Goh April 24, 2020Posted inDevelopers Technical TutorialsTags: Security, ServersNo Comments
When you subscribe to a Linux VPS (Virtual Private Server) from any host providers, the default firewall rule is to accept all incoming connections to any ports hence you can connect via Port 22 using a SSH telnet client like…
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How to Secure Server with Firewall using iptables

How to Secure Server with Firewall using iptables

Posted by By Mike Goh April 23, 2020Posted inDevelopers Technical TutorialsTags: Security, ServersNo Comments
iptables is a command-line firewall utility that allows a system administrator to configure the IP packet filter rules made possible by the Netfilter modules complied into the Linux Kernel. The rules are kept to a bare minimum on the firewall…
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