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@juanpabloaj
juanpabloaj / logging_env.py
Last active March 1, 2024 13:09
python logging, log level with environment variable
import os
import logging
LOGLEVEL = os.environ.get('LOGLEVEL', 'INFO').upper()
logging.basicConfig(level=LOGLEVEL)
@janeczku
janeczku / 00-cloud-config.yml
Last active June 10, 2023 15:10
Annotated RancherOS Cloud-init configuration snippets
#cloud-config
# Set the hostname for this machine (takes precedence over hostname assigned by DHCP lease).
hostname: myhost
# Authorize SSH keys for the `rancher` sudoer user
ssh_authorized_keys:
- ssh-rsa AAA...ZZZ example1@rancher
@superseb
superseb / cleanup.sh
Last active June 19, 2023 10:03
Cleanup host added as custom to Rancher 2.0
#!/bin/sh
# OUTDATED: please refer to the link below for the latest version:
# https://github.com/rancherlabs/support-tools/blob/master/extended-rancher-2-cleanup/extended-cleanup-rancher2.sh
docker rm -f $(docker ps -qa)
docker volume rm $(docker volume ls -q)
cleanupdirs="/var/lib/etcd /etc/kubernetes /etc/cni /opt/cni /var/lib/cni /var/run/calico /opt/rke"
for dir in $cleanupdirs; do
echo "Removing $dir"
rm -rf $dir
done
@jaredhaight
jaredhaight / windows_hardening.cmd
Last active July 11, 2023 14:09 — forked from mackwage/windows_hardening.cmd
Script to perform some hardening of Windows OS.
::
::#######################################################################
::
:: Change file associations to protect against common ransomware attacks
:: Note that if you legitimately use these extensions, like .bat, you will now need to execute them manually from cmd or powershell
:: Alternatively, you can right-click on them and hit 'Run as Administrator' but ensure it's a script you want to run :)
:: ---------------------
ftype htafile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype WSHFile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
ftype batfile="%SystemRoot%\system32\NOTEPAD.EXE" "%1"
@ajeetraina
ajeetraina / docker-compose.yml
Created October 29, 2017 12:21
Docker Compose File for MacVLAN Network Driver ( Single Node)
version: '3.3'
services:
db:
image: mysql:5.7
volumes:
- db_data:/var/lib/mysql
restart: always
networks:
- myvlan
@citrusui
citrusui / dropdown.md
Last active April 21, 2024 18:44
"Dropdowns" in Markdown
How do I dropdown?
This is how you dropdown.

<details>
<summary>How do I dropdown?</summary>
<br>
This is how you dropdown.

Experimental Docker Libnetwork DHCP Driver

The DHCP driver is intended for users to be able to integrate Docker IP address management with their existing IPAM strategies that use DHCP for dynamic address assignment. DHCP enables users to allocate addresses in an organized fashion that will prevent overlapping IP address assignment by associating a unique MAC address from the container eth0 Ethernet interface to an IP address as determined by the DHCP pools defined in the DHCP configuration.

This driver only provides the DHCP client functionality. It does not include a DHCP server. The default driver offers single-host IPAM or for distributed multi-host orchestrated IPAM see the libnetwork overlay driver.

Getting Started

@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.

@nickjacob
nickjacob / systemd-prblm.service
Last active March 17, 2023 16:11
execute arbitrary bash code/variable substitution in systemd units
[Unit]
Description=Demonstrate Bash
[Service]
ExecStartPre=/usr/bin/bash -c "/usr/bin/systemctl set-environment MYVAR=$(( 2 + 2 ))"
ExecStart=/usr/bin/echo "2 + 2 = ${MYVAR}"
@sdeering
sdeering / gist:8437725
Created January 15, 2014 14:55
Some .bashrc git alias commands
#-------------------------------------------------------------
# Git Alias Commands
#-------------------------------------------------------------
alias g="git status"
alias ga="git add"
alias gaa="git add ."
alias gau="git add -u"
alias gc="git commit -m"
alias gca="git commit -am"
alias gb="git branch"