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Designing large scale apps using micro services
2 projects | reddit.com/r/node | 16 Nov 2021
Check out Consul from HashiCorp. https://www.consul.io/
Nginx – The Architecture of Open Source Applications
5 projects | news.ycombinator.com | 2 Nov 2021
> As a relatively young dev, the idea of a "web server" as a standalone binary that serves your application (vs a library that you use to write your own "server") feels strange.
In my eyes, the ideal setup is one that's layered: where you have an ingress that's basically a load balancer that also ensures that you have SSL/TLS certificates, enforces rate limits, perhaps is used for some very basic logging, or can optionally do any URL rewriting that you need. Personally, i think that Caddy (https://caddyserver.com/) is lovely for this, whereas some people prefer something like Traefik (https://traefik.io/), though the older software packages like Nginx (https://nginx.org/en/) or even Apache (https://www.apache.org/) are good too, as long as the pattern itself is in place.
Then, you may additionally have any sorts of middleware that you need, such as a service mesh for service discovery, or providing internal SSL/TLS - personally Docker Swarm (https://docs.docker.com/engine/swarm/) overlay networks have always been enough for me in this regard, though some people enjoy other solutions, such as Hashicorp Consul (https://www.consul.io/), or maybe something intended for Kubernetes or other platforms that you already may be using, like Linkerd (https://linkerd.io/).
Finally, you have your actual application with its server. Personally, i think that the web server should be embedded (for example, embedded Tomcat with Spring Boot) or indeed just be a library that's a part of the application executable, as long as you can update it easily enough by rebuilding the application - containers are good for this, but aren't strictly necessary, since sometimes other forms of automation and packaging are also enough.
The reason why i believe this, is because i've seen plenty of deployments where that just isn't the case:
- attempts to store certificates within the application, each application server having different requirements for the formats to be used, making management (and automation) of renewal a total nightmare
An Update on Our Outage
3 projects | news.ycombinator.com | 31 Oct 2021
Programming Microservices Communication With Istio
7 projects | dev.to | 28 Oct 2021
Service discovery — Traditionally provided by platforms like Netflix Eureka or Consul.
1 project | reddit.com/r/PrometheusMonitoring | 11 Sep 2021
For discovery outside of Kubernetes, you can use whatever your configuration management database is to generate the discovery configs. But you might want to look at Consul. The down side to using discovery scripts is the monolithic update lag. I used to have a medium sized setup with Chef and Nagios. It took something like 5 minutes just to run one config cycle. As we transitioned to Prometheus we cut the cycle down to a couple minutes, because we had smaller targeted configs.
HashiCorp Consul: What's the catch?
5 projects | reddit.com/r/devops | 4 Sep 2021
So, my tech lead has once more had the sweet whispers of HashiCorp blaring in his ear, and to my irritation has decreed that we will be prioritizing bringing Consul into our environment despite pretty much everything else we have being in various states of rotting popsicle sticks and scotch tape.
An Introduction to Microservices pt. 3
1 project | dev.to | 24 Aug 2021
Harbormaster: The anti-Kubernetes for your personal server
20 projects | news.ycombinator.com | 19 Aug 2021
> There is gap in the market between VM oriented simple deployments and kubernetes based setup.
In my experience, there are actually two platforms that do this pretty well.
First, there's Docker Swarm ( https://docs.docker.com/engine/swarm/ ) - it comes preinstalled with Docker, can handle either single machine deployments or clusters, even multi-master deployments. Furthermore, it just adds a few values to Docker Compose YAML format ( https://docs.docker.com/compose/compose-file/compose-file-v3... ) , so it's incredibly easy to launch containers with it. And there are lovely web interfaces, such as Portainer ( https://www.portainer.io/ ) or Swarmpit ( https://swarmpit.io/ ) for simpler management.
Secondly, there's also Hashicorp Nomad ( https://www.nomadproject.io/ ) - it's a single executable package, which allows similar setups to Docker Swarm, integrates nicely with service meshes like Consul ( https://www.consul.io/ ), and also allows non-containerized deployments to be managed, such as Java applications and others ( https://www.nomadproject.io/docs/drivers ). The only serious downsides is having to use the HCL DSL ( https://github.com/hashicorp/hcl ) and their web UI being read only in the last versions that i checked.
There are also some other tools, like CapRover ( https://caprover.com/ ) available, but many of those use Docker Swarm under the hood and i personally haven't used them. Of course, if you still want Kubernetes but implemented in a slightly simpler way, then there's also the Rancher K3s project ( https://k3s.io/ ) which packages the core of Kubernetes into a smaller executable and uses SQLite by default for storage, if i recall correctly. I've used it briefly and the resource usage was indeed far more reasonable than that of full Kubernetes clusters (like RKE).
What Is a Service Mesh, and Why Is It Essential for Your Kubernetes Deployments?
2 projects | dev.to | 17 Aug 2021
With multiple services running, it’s hard to discover where they’re located. The dependencies between multiple services are not always easily found, and new services may be deployed with a new dependency on an older service. Those services can be deployed anywhere in the infrastructure, so what you need is a Service Discovery service. There are plenty available, such as Netflix Eureka or HashiCorp Consul.
Request routing for horizontally scaled services
6 projects | dev.to | 8 Aug 2021
The myriad of request processing middlewares does not end here - there is also the very trendy topic of service meshes that we could cover, but I choose to leave that as an exercise to interested readers, as it is a rapidly evolving and complex space (see: Istio, linkerd, Consul, Tanzu, etc).
Command Palettes: How Typing Commands Became the Norm Again
11 projects | news.ycombinator.com | 28 Nov 2021
Although I don't use it, I see plenty of positive feedback about fzf  and I'm sure I've seen palette-style tools built with it that enable command and options discovery.11 projects | news.ycombinator.com | 28 Nov 2021
People do this already with fuzzy-finders. fzf or rofi to name some.
See here for some usages: https://github.com/junegunn/fzf/wiki/Related-projects
fd 8.3.0 released
5 projects | reddit.com/r/linux | 26 Nov 2021
Fd is indeed a great tool. Fzf is also a great tool. And if you use fd as the search utility for fzf (for example, export FZF_DEFAULT_COMMAND='fd --type f) then it becomes really good.5 projects | reddit.com/r/linux | 26 Nov 2021
For me, it is additionally bat as an alternative to cat and fzf.
How to obtain output from spawned GUI application?
2 projects | reddit.com/r/xmonad | 26 Nov 2021
fzf is a terminal fuzzy finder that has a really nice interface. One of the coolest aspects things about it is that you can use it as an interactive picker in a shell pipeline:
The Fish Shell Is Amazing
19 projects | news.ycombinator.com | 25 Nov 2021
So I don't think this quite solves the issue you describe, which is that if your history was full of convenient Fish one-liners, you wouldn't be able to reuse them in your scripts, because for scripting you prefer Bash.
1. I have CTRL+R bound to fuzzy reverse history search via fzf in my Fish config. It works great. It's fast, and it's way better than the built-in Bash reverse history search imo. fzf itself comes with the keybindings, so you don't have to sort them out yourself; you can just source 'em: https://github.com/junegunn/fzf/blob/master/shell/key-bindin...
2. For one-off one liners you see in GitHub repos or something, if you really want tab completion and syntax highlighting and whatever, you can just use `exec` twice:
⋊> ~ echo $HELLO
LTT is basically just trolling Linux users now.
3 projects | reddit.com/r/linuxmasterrace | 23 Nov 2021
Just press Ctrl-R in the terminal and start typing what you remember. Even more useful with fzf, as you get a list. (pretty sure that fzf is all that is needed to make it better.)
An intro to finding things in Linux
4 projects | news.ycombinator.com | 23 Nov 2021
From your experience, do most large or professional C projects rely on IDEs for development?
4 projects | reddit.com/r/C_Programming | 20 Nov 2021
fzf plugin for opening files, provides fast and easy fuzzy searching over project tree;
What's your favorite ls and/or cd replacements, alternatives or helpers?
3 projects | reddit.com/r/commandline | 16 Nov 2021
Mine alternatives/helpers bringing a new extra functionality are the following: - https://github.com/facebook/pathpicker/ - Facebook PathPicker is a simple command line tool that solves the perpetual problem of selecting files out of bash output. - https://github.com/jhspetersson/fselect - Find files with SQL-like queries - https://github.com/junegunn/fzf - fzf is a general-purpose command-line fuzzy finder.
What are some alternatives?
peco - Simplistic interactive filtering tool
etcd - Distributed reliable key-value store for the most critical data of a distributed system
traefik - The Cloud Native Application Proxy
zsh-autosuggestions - Fish-like autosuggestions for zsh
z - z - jump around
ranger - A VIM-inspired filemanager for the console
kubernetes - Production-Grade Container Scheduling and Management
Caddy - Fast, multi-platform web server with automatic HTTPS
minio - High Performance, Kubernetes Native Object Storage
fd - A simple, fast and user-friendly alternative to 'find'
mergo - Mergo: merging Go structs and maps since 2013.
powerlevel10k - A Zsh theme