eagafonov

Run daemon with TLS enabled

/usr/bin/dockerd -H tcp://127.0.0.1:2736 \
    --tls --tlsverify  \
    --tlscacert /path/to/ca.pem \
    --tlscert /path/to/server.pem \
    --tlskey path/to/server_decrypted.key

Client settings

eagafonov

from functools import reduce, wraps

def dec1(func):
    print("dec1: Decorating", func)

    @wraps(func)
    def wrapper(*args, **kwargs):
        print("dec1: Calling {}(args={},kwargs={})".format(func.__name__, args, kwargs))
        return func(*args, **kwargs)

eagafonov

Omnibus Gitlab

1. Dry run

/opt/gitlab/embedded/bin/registry garbage-collect /var/opt/gitlab/registry/config.yml --dry-run

2. Do clean up

/opt/gitlab/embedded/bin/registry garbage-collect /var/opt/gitlab/registry/config.yml

eagafonov

# Example with https://github.com/eagafonov/json_schema_helpers

import json_schema_helpers as jsh

heading_loc_schema = {
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "heading_loc object",
    "type": "object",
    "additionalProperties": False, # properties must contains a complete list of supported languages
    "properties": {

eagafonov

'''
  Run as 
  > python3 gil_vs_threads.py  2> /dev/null
'''

import threading
import sys

the_value = 0

eagafonov

Use API of http://ipaddress.com

• curl http://api.ipaddress.com/myip?format=json
• echo $(curl http://api.ipaddress.com/myip?format=json 2>/dev/null)
• http http://api.ipaddress.com/myip format==json

eagafonov

#!/bin/sh

set -x
set -e

exec docker run --rm -ti \
        -v /etc/letsencrypt:/etc/letsencrypt \
        -v /var/www/acme:/var/www/acme \
        certbot/certbot $@

eagafonov

How to get an access to you-gitlab-URL

There are just 3 simple steps to start pushing some stuff to gitlab using SSH

0. Sign-up or request new account
1. Generate SSH keys
2. Upload SSH key to GitLab
3. Update ~/.ssh/config for non-standart SSH port

eagafonov

• Remove stoppped containers

  docker rm $(docker ps -a -q --filter status=exited)

• Delete all 'untagged/dangling' () image

  docker rmi $(docker images -q -f dangling=true)

• Remove ALL unused images > docker rmi $(docker images --format={{.Repository}}:{{.Tag}})

eagafonov

#!/bin/bash -x
set -e

# https://www.digitalocean.com/community/tutorials/how-to-use-floating-ips-on-digitalocean

DESTINATION_IP=$1
shift || (echo "E: Destination IP is not provided. Aborting"; exit 1)

ANCHOR_GW=$(curl -s http://169.254.169.254/metadata/v1/interfaces/public/0/anchor_ipv4/gateway)