AWS to DigitalOcean Site-to-Site VPN Tunnel Setup with OpenVPN Access Server: A Step-by-Step Guide
Step-by-step guide to a site-to-site VPN tunnel between an AWS VPC and a DigitalOcean VPC using OpenVPN Access Server, route tables and IP forwarding.
Blog
Field notes from our engineers.
Hands-on guides to DevOps, cloud infrastructure, networking and server security, written from real client work.
Secure Kubernetes: Integrate AWS Secrets Manager in 9 Steps
Integrate AWS Secrets Manager with Kubernetes on EKS in 9 steps using the Secrets Store CSI driver, IAM roles via OIDC, and secrets synced into your pods.
AWS IPv4 Charges: Strategies and Solutions
AWS now charges $0.005 per hour for every public IPv4 address, including Elastic IPs. See what it costs and how to reduce it with IPv6 and NAT64 on Ubuntu.
Navigating the Digital Transformation Journey: The Role of DevOps Consulting Services
How DevOps consulting services support digital transformation through cultural change, faster software delivery, IT operations, security and scalability.
Tracking SSH Session activity via AWS Systems Manager
Audit SSH commands on EC2 even after bash history is deleted by logging Session Manager activity to CloudWatch and S3 with AWS Systems Manager, IAM and KMS.
Navigating Success: Unravelling the Advantages of Managed IT Services for Small Businesses
How managed IT services help small businesses boost efficiency, cut costs and risks, scale flexibly and get expert guidance from a managed service provider.
Automating AWS Instance Start and Stop with Python and Lambda: A Step-by-Step Guide
Cut AWS costs by stopping EC2 instances after business hours and starting them each morning with a Python Lambda function, an IAM role and EventBridge rules.
Cloud IT Infrastructure – Common Customer Complaints & Solutions
Common complaints from businesses running on the cloud, including slow web and mobile apps, server outages and high cloud costs, with practical fixes for each.
Server Migration: Moving Applications to the Cloud Safely
A guide to migrating applications to the cloud safely: why businesses migrate, the server migration process, best practices, and common pitfalls to avoid.
Migration Strategies: Lift and Shift vs. Cloud-Native
Lift and shift vs cloud-native: how the two cloud migration strategies compare on cost, effort, and long-term benefit, and how to choose for your workloads.
Obtaining Wildcard SSL certificate from Let’s Encrypt using CloudFlare DNS
Get a Let's Encrypt wildcard SSL certificate on Ubuntu using Certbot and the certbot-dns-cloudflare plugin, with Cloudflare credentials and DNS validation.
Enabling QUIC on NGINX Web Server
How to enable QUIC and HTTP/3 on an NGINX web server, covering the prerequisites, the server configuration changes and how to verify HTTP/3 support online.
Accelerate Your Software Delivery Life-cycle with DevOps Consulting Services
How DevOps consulting services speed up the software delivery life cycle through assessment, strategy, automation, collaboration, security and cost control.
Windows Server – Creating GPT Volumes In The AWS Cloud
How we grew a Windows Server boot volume past 2TB on AWS by moving from MBR to GPT, using a UEFI-enabled Windows Server 2022 AMI with a larger EBS volume.
How to Set Up a Site-to-Site VPN between AWS and DigitalOcean Platforms
Set up a site-to-site IPsec VPN between an AWS VPC and a DigitalOcean VPC with a virtual private gateway and StrongSwan, plus automated tunnel failover.
Secure Your Cloud Server: Tips and Best Practices for Effective Security
Practical tips to secure a cloud Linux server: strong passwords, firewalls, updates, two-factor authentication, SSH keys, disabling root login and fail2ban.
The Pros and Cons of Kubernetes: A Guide for Business Owners
An overview of Kubernetes for business owners: what it is, the main managed Kubernetes providers, its pros and cons, and how to decide if it fits your business.
Tips for Optimising Your Cloud Costs
Practical tips to optimize cloud costs: choosing a provider, reserved and spot instances, auto scaling, resource tagging, CloudWatch alarms and resource groups.
Zabbix Server – Listing the Top Linux Processes
Zabbix is an enterprise-class open-source software tool to monitor IT infrastructure such as networks, servers, virtual machines, and cloud services.
Generate SSH Key in Windows
How to generate an SSH key pair in Windows using the Bitvise SSH Client or PuTTYgen, so you can log in to cloud servers with key-based authentication.
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