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@pierrejoubert73
pierrejoubert73 / markdown-details-collapsible.md
Last active May 2, 2024 16:19
How to add a collapsible section in markdown.

How to add a collapsible section in markdown

1. Example

Click me

Heading

  1. Foo
  2. Bar
    • Baz
  • Qux

Docker on Lima (lima-vm/lima) Setup Guide

In recent months, Lima has become de facto standard software as a free and open source alternative to Docker Desktop for Mac. Several projects (such as Colima, Rancher Desktop, or Finch) for similar purpose also uses Lima as their backend. These projects will make it easier to set up Lima. But some people may not want to introduce extra components other than Lima. This guide will show you how to set up Lima to be alternative to Docker Desktop for Mac, while using Lima only.

🪣 Note. It is a good practice to uninstall Docker Desktop for Mac before proceeding with the following steps.

1. Install Lima and Docker CLI

@andreyvit
andreyvit / tmux.md
Created June 13, 2012 03:41
tmux cheatsheet

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

@reachlin
reachlin / prometheus.yml
Created April 19, 2017 07:06
sample prometheus configuration explained
// For all the confusing Prometheus configuration and
// regular expressions,
// explained in examples.
// Remember, there are default values for each item if it's missing.
// regex is (.*),
// replacement is $1,
// separator is ;
// ,and action is replace
@dcode
dcode / GitHub Flavored Asciidoc (GFA).adoc
Last active April 20, 2024 13:55
Demo of some useful tips for using Asciidoc on GitHub

GitHub Flavored Asciidoc (GFA)

@netj
netj / gcp-start-iap-tunnel-ssh-proxy-magic.sh
Last active April 15, 2024 19:42
a nifty script for accessing with native SSH your IAP allowed Compute Engine instances
#!/usr/bin/env bash
# ~/.ssh/gcp-start-iap-tunnel-ssh-proxy-magic.sh
# a script to be used as SSH ProxyCommand to allow fully functional SSH access to any Google Cloud Compute Engine VMs allowing IAP access
#
# Author: Jaeho Shin <netj@sparcs.org>
# Created: 2022-10-31
# See also:
# - https://gist.github.com/netj/df4f9de1fefd254ab11979be7035b5d0/#readme
# - https://cloud.google.com/iap/docs/using-tcp-forwarding
#
@nerdalert
nerdalert / Netfilter-IPTables-Diagrams.md
Last active April 9, 2024 09:18
Linux NetFilter, IP Tables and Conntrack Diagrams

Linux NetFilter, IP Tables and Conntrack Diagrams

IPTABLES TABLES and CHAINS

IPTables has the following 4 built-in tables.

1) Filter Table

Filter is default table for iptables. So, if you don’t define you own table, you’ll be using filter table. Iptables’s filter table has the following built-in chains.

@davisford
davisford / setup-avahi.sh
Created July 12, 2013 14:14
Setup avahi-daemon on Ubuntu for so you can reach hostname `ubuntu.local` from host OS
sudo apt-get install avahi-daemon avahi-discover avahi-utils libnss-mdns mdns-scan
@rmondello
rmondello / gist:b933231b1fcc83a7db0b
Last active April 5, 2024 07:10
Exporting (iCloud) Keychain and Safari credentials to a CSV file

Exporting (iCloud) Keychain and Safari credentials to a CSV file

Update (October 2021)

Exporting password + one-time code data from iCloud Keychain is now officially supported in macOS Monterey and Safari 15 (for Monterey, Big Sur, and Catalina). You can access it in the Password Manager’s “gear” icon (System Preferences > Passwords on Monterey, and Safari > Passwords everywhere else), or via the File > Export > Passwords... menu item). You shouldn't need to hack up your own exporter anymore.

Original, Obsolete Content (2014)

After my dad died, I wanted to be able to have access any of his online accounts going forward. My dad was a Safari user and used iCloud Keychain to sync his credentials across his devices. I don’t want to have to keep an OS X user account around just to access his accounts, so I wanted to export his credentials to a portable file.

@cimmanon
cimmanon / psql.md
Created May 2, 2017 17:22
PostgreSQL cheat sheet for MySQL users

I use PostgreSQL via the psql client. If you use a different client (eg. pgAdmin, etc.), I don't know how much will translate over.

One nice difference between psql and mysql (cli) is that if you press CTRL+C, it won't exit the client.

User administration

Login as superuser (via shell)

psql -U postgres