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wget -q https://registry.hub.docker.com/v1/repositories/gitlab/gitlab-ce/tags -O -  | sed -e 's/[][]//g' -e 's/"//g' -e 's/ //g' | tr '}' '\n'  | awk -F: '{print $3}' | egrep '^12.'

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Kafka Topics

List existing topics

bin/kafka-topics.sh --zookeeper localhost:2181 --list

Describe a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic

Purge a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000

... wait a minute ...

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#!/usr/bin/env python

import os
import re
import sqlite3
from urllib.parse import unquote


def process(filename):
    connection = sqlite3.connect(f'{filename}')

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bits='000011100010110100011011000011100010111100101011000011100010111000011111000011100010111000101111000011100010111100011001000011100010111000101110000011100010111000011100000011100010111100011001000011100010111000011001000011100010111000101100000011100010111000101100000011100010111000100001000011100010111100011010000011100010111100011011'
_bytes = [ int(bits[k:k+8],2) for k in range(0, len(bits), 8)]
for i in range(0, len(_bytes), 3):
    byte1, byte2 = _bytes[i+1:i+3]
    c = ((byte1 & 0x0f) << 4) | (byte2-0x20 if byte2 > 0x22 else byte2-0x19)
    print(c.to_bytes(1, byteorder='little').decode('cp1251'), end="")

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# Original was taken from https://web.archive.org/web/20200611074334/https://success.docker.com/article/how-to-completely-remove-docker-in-windows-10

$ErrorActionPreference = "SilentlyContinue"

kill -force -processname 'Docker for Windows', com.docker.db, vpnkit, com.docker.proxy, com.docker.9pdb, moby-diag-dl, dockerd

try {
	./MobyLinux.ps1 -Destroy
} Catch {}

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Remove exited containers

docker ps -a -q -f status=exited | xargs --no-run-if-empty docker rm -v

Remove dangling images

docker images -f "dangling=true" -q | xargs --no-run-if-empty docker rmi

Remove unused images (warning!)

docker images | awk '/ago/ { print $3}' | xargs --no-run-if-empty docker rmi

Remove dangling volumes

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DGS-3120-24TC:admin#disable clipaging
Command: disable clipaging

Success.

DGS-3120-24TC:admin#show ports
Command: show ports

 Port      State/          Settings             Connection          Address
           MDIX      Speed/Duplex/FlowCtrl  Speed/Duplex/FlowCtrl   Learning

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null@MacBook-Air-Denis [23:33:10] [~/netmiko/tests] [dlink *]
-> % py.test -v test_netmiko_config.py --test_device dlink_ds
============================================================= test session starts =============================================================
platform darwin -- Python 3.8.0, pytest-5.3.4, py-1.8.1, pluggy-0.13.1 -- /Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8
cachedir: .pytest_cache
rootdir: /Users/null/netmiko, inifile: setup.cfg
collected 7 items

test_netmiko_config.py::test_ssh_connect PASSED                                                                                         [ 14%]
test_netmiko_config.py::test_enable_mode PASSED                                                                                         [ 28%]

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null@MacBook-Air-Denis [23:36:54] [~/netmiko/tests] [dlink *]
-> % py.test -v test_netmiko_show.py --test_device dlink_ds
============================================================= test session starts =============================================================
platform darwin -- Python 3.8.0, pytest-5.3.4, py-1.8.1, pluggy-0.13.1 -- /Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8
cachedir: .pytest_cache
rootdir: /Users/null/netmiko, inifile: setup.cfg
collected 14 items

test_netmiko_show.py::test_disable_paging PASSED                                                                                        [  7%]
test_netmiko_show.py::test_ssh_connect PASSED                                                                                           [ 14%]

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curl -s "localhost:9200/_stats?level=shards" | jq -C | less -R