Category: Linux

Fantom Lachesis Full Node RPC

Create an Alpine Linux image to run the lachesis node for the Fantom cryptocurrency. The run.sh just starts the nodes with the ports you set in the environment. Use docker-compose to define the TCP/UDP...

Alpine Linux PHP + iconv fix

To use PHP with iconv on Alpine Linux – in a Docker container for example – you need to use the preloadable iconv library, which was previously provided with the gnu-libiconv package, but was...

Using APK for Alpine Linux with Docker

Some quick tips on how to use apk for Alpine Linux in a Docker environment. Some common use cases might be to install command line tools you will use in scripts, or to compile...

Docker-CE on CentOS 7

Install Docker-CE (not just “docker) to get the latest version on CentOS. Update firewalld to allow host/container traffic. Restart firewalld to pick up the changes. Create a group named “docker” and add any users...

Wildcard SSL Certs: Let’s Encrypt & Cloudflare

My servers have been using free Let’s Encrypt SSL certificates for some time now, but I was really excited to hear about support for wildcard SSL certificates in 2018. Wildcards are now available thus...

MongoDB Clustering for CentOS 7

A quick guide to installing a MongoDB cluster on CentOS 7 hosts. Network Configuration Install MongoDB First make sure the system is up to date and install the MongoDB binaries via the Mongo yum...