DevOps RADVD on Debian 10 Now that I have IPv6 with Comcast working I wanted to make things automatic. I'm going to use radvd for that.
DevOps IPv6, Linux Firewall and Comcast Here's a general overview of my setup, Comcast Business for my internet, a Raspberry PI running Debian 10 (Buster) as my firewall/router.
Linux Expand EXT4 Disk in Debian 10 Once the reboot was completed I used fdisk to resize the partition then resize2fs to resize the filesystem. I did not unmount the filesystem during this process, EXT4 can be resized online.
DevOps Traefik 2.1 in Kubernetes As I migrate from Docker Swarm to Kubernetes I decided to use Traefik. Here's how to replace NGINX with Traefik 2.1 for Kubernetes Ingress.
DevOps Sticky Sessions in Traefik 2.1 As I move from Docker to Kubernetes I am moving to use Traefik 2.1 for my ingress. I need sticky sessions to support some of my applications.
DevOps Sending signals to a service in a Swarm I found myself needing to send a signal (SIGHUP) to all running containers for a service in my swarm. It's not as straight forward as it should be.
DevOps Cleaning up your Docker Swarm Cluster Here's one way of running of a docker command across all your nodes in a swarm.
DevOps Script the creation of VM in Hyper-V It's about time I automated the creation of VM's in Hyper-V to mount the ISO's and start the VM's if necessary.
DevOps Elastic Search, Beats and a reverse proxy The problem is because the HOST header isn't being sent (or it's incorrect) so the proxy doesn't know what to do with the request.
DevOps Adding HTTPS to Kibana and Elasticsearch This post will go over adding Kibana to my new ELK stack, enabling https, and talking to my Elasticsearch over https.
DevOps Elasticsearch, NFS, and locking issues As I migrated my ELK stack to Docker backed by an NFS share, my Elasticsearch container started spitting out errors about not able to obtain a lock.
DevOps Elasticsearch and trace logging for everything I needed to enable logging on everything for Elasticsearch. By everything I mean literally everything I mean literally everything, if there was a log line, I wanted to see it.
C# Add User Secrets to a .NET Core Console Application While building my console applications I want to be able to use UserSecrets. Just like I can in an ASP Core application.
DevOps Create Your Own Docker Registry in Docker Swarm As I build my Docker Swarm cluster, I am needing a private registry. This is so I can host my own images internally, without needing to use a cloud service.
DevOps Securing the remote Docker instance Now that we've made our Docker instance accessible from a remote machine, we need to secure it.The way that Docker does authentication is by using certificates. The user is allowed access to
DevOps Docker Swarm On Debian and Hyper-V The servers are based on Debian, have 2 processors each, with 8 gigs of ram, all 3 are running on a single Hyper-V server. I will use certificate authentication with SSH, install sudo, vim, configure networking and setup a swarm instance.
DevOps Remote Docker Instance I'm building a multi node Docker Swarm cluster and want to connect to it from my local desktop. I'd like to use my local development tools to build all of my Docker related
DevOps Certificate Based SSH Authentication I want to use Certificates to authenticate to my Linux servers.
DevOps Install OpenSSH client in Windows 10 Microsoft was nice enough to start shipping the OpenSSH client in Windows 10. It's easy to install if it's not already.
ASP.Net .NET Core Log Correlation - HttpClient and default headers How to pass a header to a backend API using the HttpClient easily and consistently. This header is used for correlating log entries between a frontend site, and the backend API.
ASP.Net .NET Core Log Correlation - Request Id Pass a header and have it automatically appear in all log entries on the backend service.
ASP.Net .NET Core Log Correlation - Arbitrary Log Properties Pass a header from the frontend site, and have it automatically appear in all log entries on the backend service using a custom property name so I can easily search the logs.
ASP.Net .NET Core Log Correlation - Easy Access to the Correlation Id Easily accessing the correlation Id that I am passing around, and, in my frontend site, create that correlation id
ASP.Net .NET Core Log Correlation Correlating log entries across multiple API's easily and efficiently without a whole lot of extra code in the way
DevOps LSASS and High CPU Usage Our high CPU utilization of LSASS and slow response times was caused by a poor implementation of user impersonation.