lsofer
stripe-jobs-cli
lsofer | stripe-jobs-cli | |
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2 | 1 | |
10 | - | |
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10.0 | - | |
over 6 years ago | - | |
Shell | ||
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lsofer
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Not knowing the /proc file system
/proc is amazing once you get the hang of it and get a good understanding of what's all in there. Especially if you're doing low level performance tuning.
It's particularly helpful in larger infrastructures where tool the variability means differences in available tooling, and their output plus cli options. I'm sure /proc iteration has its own issues of variability across large infrastructres, but I haven't seen it. It's a fairly consistent API. Or at least it was, since I haven't touched a large infrastructure in some time.
When I got tired of `lsof` not being installed on hosts (or when its `-i` param isn't available) I ended up writing a script [1] that just iterates through /proc over ssh and grabs all inet sockets, environment variables, command line, etc from a set of hosts. Results in a null-delimited output that can then be fed into something like grafana to create network maps. Biggest problem with it is the use of pipes means all cores go to 100% for the few seconds it takes to run.
[1] https://github.com/red-bin/lsofer
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Bash functions are better than I thought
Oh yeah, bash functions are great and absolutely abusable. Sometimes you need some grand hacks to get it to work well, but when it works well, it can do some magic. You can even export functions over ssh!
I wrote this a few years back which ran on bunches of hosts and fed into a infrastructure network mapper based on each hosts' open network sockets to other known hosts. It wasn't really feasible to install a set of tools on random hosts.. but I still had root ssh access across the board. So I needed something tool agnostic, short, auditable, and effectively guaranteed to work:
https://github.com/red-bin/lsofer/blob/master/lsofer.sh
stripe-jobs-cli
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Bash functions are better than I thought
I would rather use TypeScript and the oclif framework (what heroku-cli uses under the hood) to build any cli-tools I might need...
The other day I just made a sample stripe-jobs cli app with it and playwright in case you want to see how that looks
https://github.com/agustif/stripe-jobs-cli
What are some alternatives?
hasura-ci-cd-action
laravel-websockets-example - Quick example of a docker stack for laravel-websockets
bash-core - Core functions for any Bash program.
basalt - The rock-solid Bash package manager.
yew - Rust / Wasm framework for creating reliable and efficient web applications
PPSS - Parallel Processing Shell Script
pass-import - A pass extension for importing data from most existing password managers
nsd - NGS Scripts Dumpster
mycmd - Tool for writing and running commands from a command directory
ngs - Next Generation Shell (NGS)