Category: Linux

Fantom Lachesis Full Node RPC

Create an Alpine Linux image to run the lachesis node for the Fantom cryptocurrency. Use docker-compose to define the TCP/UDP ports to expose as well as a data volume to persist the blockchain data....

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...