(Revisiting) Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using Cloudflares CFSSL (revisit).
- tutorials 32
- devops 24
- development 19
- terraform 10
- upcloud 10
- docker 9
- c++ 6
- moved 6
- ansible 6
- kubernetes 6
- jitesoft 5
- c# 3
- security 3
- backend 3
- cluster 3
- tls 3
- ssl 3
- cloudflare 3
- misc 3
- gitlab 2
- ci 2
- cfssl 2
- k3s 2
- windows 2
- personal 2
- hetzner 2
- opentofu 2
- networking 2
- humour 1
- apple 1
- git 1
- dns 1
- react 1
- javascript 1
- etcd 1
- ufw 1
- firewall 1
- rants 1
- cache 1
- ccache 1
- tyk-gateway 1
- buildx 1
- buildkit 1
- cross-compile 1
- pki 1
- ca 1
- certificates 1
- k8s 1
- civo 1
- civo-cloud 1
- php 1
- imagick 1
- imagemagick 1
- php8 1
- wtf 1
- aarch64.com 1
- aarch64 1
- arm64 1
- foss 1
- open-source 1
- ops 1
- conference 1
- databases 1
- operations 1
- percona 1
- cd 1
tutorials
Signing OCI Images with Cosign!
Using Cosign to sign OCI images in the registry. What, why and how?!
Imagick for php, compiling it from source
Due to the php extension imagick not being available for php8, I had to figure out how to compile it myself!
Kube deploys! My CI/CD process.
How I work with CI/CD using Kubernetes and automatic deploys. An expansion of my CIVO community talk!
Cross compilation
Cross compiling and/or using native machines to produce binaries for multiple architectures.
Docker multi-arch with buildx.
How to start building multi-architecture docker images using buildx/BuildKit!
CFSSL and Tyk api gateway.
How to serve CFSSL behind a Tyk gateway proxy.
Ansible!
Installing and configuring software with Ansible.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
Using ccache to optimize a node.js docker build!
How I - with the help of GitLab CI and Ccache - speed up my automatic node.js alpine docker builds.
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using CloudFlares CFSSL.
React.js
Stay Tuned! A react course is coming! - What, why and whaaaaat?!
Etcd and SkyDNS on UpCloud.
Setup of an internal DNS for our future k8s cluster!
Combine Ansible & Terraform
Combining the powers of ansible and terraform.
Ansible and UpCloud
Installing server software on UpCloud servers with Ansible.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
Multi-stage dockerfiles
Multi-stage dockerfiles.
Git - Introduction
Wtf is git?
Docker image optimization
A couple of tricks for keeping the size of your docker images down.
The Dockerfile
Writing, building and publishing a Dockerfile.
Compose the containers
Introduction to docker compose.
Docker - Introduction
A brief introduction to Docker.
C++ and memory management
C++ and memory.
Garbage Collector
A brief explanation of the garbage collector and memory management.
Memory management
A short introduction to memory management in software.
Expanding the class
Further along the road of classes in the C++ language.
A simple class
A brief introduction to classes in the C++ language.
Basic Functions
A brief introduction to functions in the C++ language.
devops
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.
HA k3s - Networking in Hetzner
Provisioning of network and initial subnet for master nodes.
HA k3s provisioning
Introduction to my post series about setting up automated provisioning of a HA k3s cluster.
(Revisiting) Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using Cloudflares CFSSL (revisit).
Wtf is CIDR notation?
CIDR notation. A brief explanation in how IP-addresses and ranges work.
Kube deploys! My CI/CD process.
How I work with CI/CD using Kubernetes and automatic deploys. An expansion of my CIVO community talk!
CFSSL and Tyk api gateway.
How to serve CFSSL behind a Tyk gateway proxy.
Using ccache to optimize a node.js docker build!
How I - with the help of GitLab CI and Ccache - speed up my automatic node.js alpine docker builds.
That time my k8s master broke and I deleted my volumes…
How come I always kill everything before I notice what is wrong?!
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using CloudFlares CFSSL.
Etcd and SkyDNS on UpCloud.
Setup of an internal DNS for our future k8s cluster!
Combine Ansible & Terraform
Combining the powers of ansible and terraform.
Ansible and UpCloud
Installing server software on UpCloud servers with Ansible.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
Multi-stage dockerfiles
Multi-stage dockerfiles.
Git gud
A simple git-flow inspired methodology for teams that are not only seniors.
Docker image optimization
A couple of tricks for keeping the size of your docker images down.
The Dockerfile
Writing, building and publishing a Dockerfile.
Compose the containers
Introduction to docker compose.
Docker - Introduction
A brief introduction to Docker.
Go to jail
Creating a jail and run the services in docker.
development
Imagick for php, compiling it from source
Due to the php extension imagick not being available for php8, I had to figure out how to compile it myself!
Kube deploys! My CI/CD process.
How I work with CI/CD using Kubernetes and automatic deploys. An expansion of my CIVO community talk!
React.js
Stay Tuned! A react course is coming! - What, why and whaaaaat?!
Contribution Guidelines
Contribution guidelines in Jitesoft open source projects.
Multi-stage dockerfiles
Multi-stage dockerfiles.
Git gud
A simple git-flow inspired methodology for teams that are not only seniors.
Git - Introduction
Wtf is git?
Docker image optimization
A couple of tricks for keeping the size of your docker images down.
The Dockerfile
Writing, building and publishing a Dockerfile.
Compose the containers
Introduction to docker compose.
Docker - Introduction
A brief introduction to Docker.
Secrets!
Obfuscation, minification… why, when and (again) why?
Go to jail
Creating a jail and run the services in docker.
C++ and memory management
C++ and memory.
Garbage Collector
A brief explanation of the garbage collector and memory management.
Memory management
A short introduction to memory management in software.
Expanding the class
Further along the road of classes in the C++ language.
A simple class
A brief introduction to classes in the C++ language.
Basic Functions
A brief introduction to functions in the C++ language.
terraform
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.
HA k3s - Networking in Hetzner
Provisioning of network and initial subnet for master nodes.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
Etcd and SkyDNS on UpCloud.
Setup of an internal DNS for our future k8s cluster!
Combine Ansible & Terraform
Combining the powers of ansible and terraform.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
upcloud
Ansible!
Installing and configuring software with Ansible.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
Etcd and SkyDNS on UpCloud.
Setup of an internal DNS for our future k8s cluster!
Combine Ansible & Terraform
Combining the powers of ansible and terraform.
Ansible and UpCloud
Installing server software on UpCloud servers with Ansible.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
docker
How we use AArch64.com at Jitesoft
How we run docker builders on IPv6 AArch64 machines.
Kube deploys! My CI/CD process.
How I work with CI/CD using Kubernetes and automatic deploys. An expansion of my CIVO community talk!
Docker multi-arch with buildx.
How to start building multi-architecture docker images using buildx/BuildKit!
Using ccache to optimize a node.js docker build!
How I - with the help of GitLab CI and Ccache - speed up my automatic node.js alpine docker builds.
Multi-stage dockerfiles
Multi-stage dockerfiles.
Docker image optimization
A couple of tricks for keeping the size of your docker images down.
The Dockerfile
Writing, building and publishing a Dockerfile.
Compose the containers
Introduction to docker compose.
Docker - Introduction
A brief introduction to Docker.
c++
C++ and memory management
C++ and memory.
Garbage Collector
A brief explanation of the garbage collector and memory management.
Memory management
A short introduction to memory management in software.
Expanding the class
Further along the road of classes in the C++ language.
A simple class
A brief introduction to classes in the C++ language.
Basic Functions
A brief introduction to functions in the C++ language.
moved
C++ and memory management
C++ and memory.
Garbage Collector
A brief explanation of the garbage collector and memory management.
Memory management
A short introduction to memory management in software.
Expanding the class
Further along the road of classes in the C++ language.
A simple class
A brief introduction to classes in the C++ language.
Basic Functions
A brief introduction to functions in the C++ language.
ansible
Ansible!
Installing and configuring software with Ansible.
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
Etcd and SkyDNS on UpCloud.
Setup of an internal DNS for our future k8s cluster!
Combine Ansible & Terraform
Combining the powers of ansible and terraform.
Ansible and UpCloud
Installing server software on UpCloud servers with Ansible.
kubernetes
HA k3s provisioning
Introduction to my post series about setting up automated provisioning of a HA k3s cluster.
Percona XtraDB setup
How to set up a percona xtradb (mysql) cluster in kubernetes.
Kube deploys! My CI/CD process.
How I work with CI/CD using Kubernetes and automatic deploys. An expansion of my CIVO community talk!
Civo - Kube three netes?
Managed k3s? Civo? What, why and how?!
That time my k8s master broke and I deleted my volumes…
How come I always kill everything before I notice what is wrong?!
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
jitesoft
Cross compilation
Cross compiling and/or using native machines to produce binaries for multiple architectures.
Docker multi-arch with buildx.
How to start building multi-architecture docker images using buildx/BuildKit!
Ansible!
Installing and configuring software with Ansible.
Terraform and UpCloud Part 2
Modify servers on UpCloud with Terraform.
Terraform and UpCloud
Provisioning servers on UpCloud with Terraform.
c#
C++ and memory management
C++ and memory.
Garbage Collector
A brief explanation of the garbage collector and memory management.
Memory management
A short introduction to memory management in software.
security
Signing OCI Images with Cosign!
Using Cosign to sign OCI images in the registry. What, why and how?!
(Small) Step CA
Setting up a certificate authority with Smallsteps ‘step-ca’.
Secrets!
Obfuscation, minification… why, when and (again) why?
backend
Multi-stage dockerfiles
Multi-stage dockerfiles.
Compose the containers
Introduction to docker compose.
Docker - Introduction
A brief introduction to Docker.
cluster
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
Etcd and SkyDNS on UpCloud.
Setup of an internal DNS for our future k8s cluster!
tls
(Revisiting) Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using Cloudflares CFSSL (revisit).
CFSSL and Tyk api gateway.
How to serve CFSSL behind a Tyk gateway proxy.
Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using CloudFlares CFSSL.
ssl
(Revisiting) Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using Cloudflares CFSSL (revisit).
CFSSL and Tyk api gateway.
How to serve CFSSL behind a Tyk gateway proxy.
Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using CloudFlares CFSSL.
cloudflare
(Revisiting) Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using Cloudflares CFSSL (revisit).
CFSSL and Tyk api gateway.
How to serve CFSSL behind a Tyk gateway proxy.
Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using CloudFlares CFSSL.
misc
Mount VHDX into WSL on startup
How to set up automount of VHDX files into WSL(2) on Windows 11.
Civo Navigate!
Visiting Civo Navigate EU 2023 in London
How we use AArch64.com at Jitesoft
How we run docker builders on IPv6 AArch64 machines.
gitlab
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.
Using ccache to optimize a node.js docker build!
How I - with the help of GitLab CI and Ccache - speed up my automatic node.js alpine docker builds.
ci
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.
Using ccache to optimize a node.js docker build!
How I - with the help of GitLab CI and Ccache - speed up my automatic node.js alpine docker builds.
cfssl
(Revisiting) Certificate Authority with CFSSL
Set up a chain of trust with your own certificate authority using Cloudflares CFSSL (revisit).
CFSSL and Tyk api gateway.
How to serve CFSSL behind a Tyk gateway proxy.
k3s
HA k3s provisioning
Introduction to my post series about setting up automated provisioning of a HA k3s cluster.
Civo - Kube three netes?
Managed k3s? Civo? What, why and how?!
windows
Mount VHDX into WSL on startup
How to set up automount of VHDX files into WSL(2) on Windows 11.
Imagick for php, compiling it from source
Due to the php extension imagick not being available for php8, I had to figure out how to compile it myself!
personal
Civo Navigate!
Visiting Civo Navigate EU 2023 in London
2023 - New year!
Long time no blogging, where have I been?
hetzner
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.
HA k3s - Networking in Hetzner
Provisioning of network and initial subnet for master nodes.
opentofu
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.
HA k3s - Networking in Hetzner
Provisioning of network and initial subnet for master nodes.
networking
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.
HA k3s - Networking in Hetzner
Provisioning of network and initial subnet for master nodes.
humour
The battle is lost
A letter to my loved ones about how I have lost a long lasting battle against the apple corp.
apple
The battle is lost
A letter to my loved ones about how I have lost a long lasting battle against the apple corp.
git
Git gud
A simple git-flow inspired methodology for teams that are not only seniors.
dns
Etcd and SkyDNS on UpCloud.
Setup of an internal DNS for our future k8s cluster!
react
React.js
Stay Tuned! A react course is coming! - What, why and whaaaaat?!
javascript
React.js
Stay Tuned! A react course is coming! - What, why and whaaaaat?!
etcd
Etcd cluster for Kubernetes
Set up of a a trusted etcd cluster on UpCloud which will be used as an external etcd service for kubernetes.
ufw
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
firewall
Firewall with ansible
Install and set up UFW with a set of basic rules using ansible.
rants
That time my k8s master broke and I deleted my volumes…
How come I always kill everything before I notice what is wrong?!
cache
Using ccache to optimize a node.js docker build!
How I - with the help of GitLab CI and Ccache - speed up my automatic node.js alpine docker builds.
ccache
Using ccache to optimize a node.js docker build!
How I - with the help of GitLab CI and Ccache - speed up my automatic node.js alpine docker builds.
tyk-gateway
CFSSL and Tyk api gateway.
How to serve CFSSL behind a Tyk gateway proxy.
buildx
Docker multi-arch with buildx.
How to start building multi-architecture docker images using buildx/BuildKit!
buildkit
Docker multi-arch with buildx.
How to start building multi-architecture docker images using buildx/BuildKit!
cross-compile
Cross compilation
Cross compiling and/or using native machines to produce binaries for multiple architectures.
pki
(Small) Step CA
Setting up a certificate authority with Smallsteps ‘step-ca’.
ca
(Small) Step CA
Setting up a certificate authority with Smallsteps ‘step-ca’.
certificates
(Small) Step CA
Setting up a certificate authority with Smallsteps ‘step-ca’.
k8s
Civo - Kube three netes?
Managed k3s? Civo? What, why and how?!
civo
Civo - Kube three netes?
Managed k3s? Civo? What, why and how?!
civo-cloud
Civo - Kube three netes?
Managed k3s? Civo? What, why and how?!
php
Imagick for php, compiling it from source
Due to the php extension imagick not being available for php8, I had to figure out how to compile it myself!
imagick
Imagick for php, compiling it from source
Due to the php extension imagick not being available for php8, I had to figure out how to compile it myself!
imagemagick
Imagick for php, compiling it from source
Due to the php extension imagick not being available for php8, I had to figure out how to compile it myself!
php8
Imagick for php, compiling it from source
Due to the php extension imagick not being available for php8, I had to figure out how to compile it myself!
wtf
Wtf is CIDR notation?
CIDR notation. A brief explanation in how IP-addresses and ranges work.
aarch64.com
How we use AArch64.com at Jitesoft
How we run docker builders on IPv6 AArch64 machines.
aarch64
How we use AArch64.com at Jitesoft
How we run docker builders on IPv6 AArch64 machines.
arm64
How we use AArch64.com at Jitesoft
How we run docker builders on IPv6 AArch64 machines.
foss
How we use AArch64.com at Jitesoft
How we run docker builders on IPv6 AArch64 machines.
open-source
How we use AArch64.com at Jitesoft
How we run docker builders on IPv6 AArch64 machines.
ops
Signing OCI Images with Cosign!
Using Cosign to sign OCI images in the registry. What, why and how?!
conference
Civo Navigate!
Visiting Civo Navigate EU 2023 in London
databases
Percona XtraDB setup
How to set up a percona xtradb (mysql) cluster in kubernetes.
operations
Percona XtraDB setup
How to set up a percona xtradb (mysql) cluster in kubernetes.
percona
Percona XtraDB setup
How to set up a percona xtradb (mysql) cluster in kubernetes.
cd
HA k3s - Deploying the network
Deploying a hetzner network (and subnet) with the help of OpenTofu and gitlab-ci.