$ sudo dnf install java-latest-openjdk
$ sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
$ cat <<EOF | sudo tee /etc/yum.repos.d/elasticsearch.repo
[elasticsearch-6.x]
name=Elasticsearch repository for 6.x packages
Add the YUM repo to your host:
$ sudo dnf install https://download.postgresql.org/pub/repos/yum/reporpms/F-34-x86_64/pgdg-fedora-repo-latest.noarch.rpm
| flowchart LR | |
| W((World)) --- TR | |
| TR --- KC(Keycloak) | |
| BB --- KC | |
| subgraph Nomad | |
| TR(Traefik proxy) --- BB | |
| BB(Biblio backend) --- NATS{NATS} | |
| NATS --- JB{JMS bridge} | |
| JB --- F(Fedora repository) | |
| NATS --- IDX(Indexer service) |
pihole comes with it's own lightweight DNS server called FTL. It's geared towards easy of use. Even so, setting up this feature can be hard. Here are some lessons I've learned.
In this example:
Warning! One liners such as these are basically hacks. Please look into the comm program which is part of GNU Coreutils. It basically does all of this without any of the complexity below. See: https://www.gnu.org/software/coreutils/manual/html_node/comm-invocation.html
You have 2 text files, each containing rows of data each having 1 column (e.g. e-mail address, uuids, names, md5 hashes,...). You want to very quickly compare those, spending the least amount of time and energy, looking for ...
| # assuming catmandu.yml in the same folder as this script | |
| # Change bag("document") to the relevant bag name / document type in ES | |
| # ensure camtandu.yml exists! | |
| use Catmandu::Sane; | |
| use Config::Onion; | |
| use Catmandu; | |
| use Path::Tiny; | |
| use Data::Dumper; |
| // Easily compile plain SCSS or SASS if you want to use Webpack | |
| // but you're not working on a JS project (React, Typescript, whathaveyou) | |
| // | |
| // Why? Webpack does what Grunt/Gulp does with half the configuration. | |
| // See: https://alligator.io/tooling/webpack-gulp-grunt-browserify/ | |
| // | |
| // You will need: | |
| // npm install --save-dev autoprefixer | |
| // npm install --save-dev css-loader | |
| // npm install --save-dev file-loader |
Centos 7 offers NodeJS and NPM via yum install. While this is great, it's not optimal because it pins
users to the version offered via yum. Moreover, a yum update can easily upgrade the NodeJS version leading to all
kinds of breaking. Not what we want.
Luckily, nvm can help us.
In the same vain as rbenv, rvm or plenv: this is a version manager that leaves the "system" node installation
alone and allows you to install and manage different versions of nodejs and npm concurrently.
Sources:
https://stackoverflow.com/questions/2241063/bash-script-to-set-up-a-temporary-ssh-tunnel/15198031#15198031
https://lists.gt.net/openssh/dev/48040#48040
$ ssh -M -S my-ctrl-socket -fnNT user@host.tld
Learning Bash and Unix as I go. This file documents some of the things I learn along the way in a scratchpad fashion.