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@darklow
darklow / celery_tasks_error_handling.py
Last active April 20, 2024 16:25
Celery tasks error handling example
from celery import Task
from celery.task import task
from my_app.models import FailedTask
from django.db import models
@task(base=LogErrorsTask)
def some task():
return result
class LogErrorsTask(Task):
@ryerh
ryerh / tmux-cheatsheet.markdown
Last active April 18, 2024 18:06 — forked from MohamedAlaa/tmux-cheatsheet.markdown
Tmux 快捷键 & 速查表 & 简明教程

注意：本文内容适用于 Tmux 2.3 及以上的版本，但是绝大部分的特性低版本也都适用，鼠标支持、VI 模式、插件管理在低版本可能会与本文不兼容。

Tmux 快捷键 & 速查表 & 简明教程

启动新会话：

tmux [new -s 会话名 -n 窗口名]

恢复会话：

@kekru
kekru / Docker connect to remote server.md
Last active April 15, 2024 16:26
Connect to another host with your docker client, without modifying your local Docker installation

Run commands on remote Docker host

This is how to connect to another host with your docker client, without modifying your local Docker installation or when you don't have a local Docker installation.

Enable Docker Remote API

First be sure to enable the Docker Remote API on the remote host.

This can easily be done with a container.
For HTTP connection use jarkt/docker-remote-api.

@terrancesnyder
terrancesnyder / setenv.sh
Created May 23, 2011 00:07
./setenv.sh - example setenv.sh with defaults set for minimal time spent in garbage collection
#! /bin/sh
# ==================================================================
# ______ __ _____
# /_ __/___ ____ ___ _________ _/ /_ /__ /
# / / / __ \/ __ `__ \/ ___/ __ `/ __/ / /
# / / / /_/ / / / / / / /__/ /_/ / /_ / /
#/_/ \____/_/ /_/ /_/\___/\__,_/\__/ /_/
# Multi-instance Apache Tomcat installation with a focus
# on best-practices as defined by Apache, SpringSource, and MuleSoft
@quiver
quiver / retrieve-EC2-region-information-from-metadata.md
Last active March 14, 2024 16:42
retrieve EC2's region from instance metadata

Sometimes you want to retrieve EC2 insntances' region information.

You can query that information through instance metadata(169.254.169.254).

$ curl --silent http://169.254.169.254/latest/dynamic/instance-identity/document
{
  "privateIp" : "172.31.2.15",
  "instanceId" : "i-12341ee8",
  "billingProducts" : null,
 "instanceType" : "t2.small",
@robhrt7
robhrt7 / MySQL_5-7_macOS.md
Last active February 28, 2024 03:48 — forked from nrollr/MySQL_macOS_Sierra.md
Install MySQL 5.7 on macOS using Homebrew

This is a fork of original gist https://gist.github.com/nrollr/3f57fc15ded7dddddcc4e82fe137b58e, with slight changes on pointing to 5.7 version branch, instead of 8 (latest default of MySQL in Hombrew).

Install MySQL 5.7 on macOS

This procedure explains how to install MySQL using Homebrew on macOS (Sierra 10.12 and up)

Install Homebrew

  • Installing Homebrew is effortless, open Terminal and enter :
    $ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  • Note: Homebrew will download and install Command Line Tools for Xcode 8.0 as part of the installation process.
@wen-long
wen-long / cleardns.md
Last active December 8, 2023 05:06
from https://github.com/hackgfw/openwrt-gfw/blob/master/AntiDNSPoisoning.md

介绍

由于GFW的域名黑名单是不断变化的，如果所有DNS查询都走VPN会丧失CDN加速功能，经常出现本地电信线路，但是却访问网站的联通线路，而且当VPN线路不稳定的时候，会影响所有网站的访问。如果使用域名白名单或黑名单，对于经常访问外国网站的用户，体验很不好，需要用户自己维护域名列表。 该文章介绍如何通过判断并丢弃包含特征IP的DNS包来防止DNS污染，但是又不会失去本地DNS的CDN加速功能，而且还不需要VPN。

前期准备

  • 一台Openwrt路由器
  • 使用dnsmasq作为Openwrt的dns服务器
  • 安装 dig (opkg install bind-dig bind-libs)
  • 安装 iptables 的 string 模块及对应的内核模块 (opkg install iptables-mod-filter kmod-ipt-filter)
@ScriptingSquirrel
ScriptingSquirrel / export-node-stats.md
Last active April 4, 2023 02:18
Setup prometheus-node-exporter and push stats to Pushgateway with cron job

(Assuming a Debian 8-like system)

  • Install prometheus-node-exporter

    $ sudo apt update && sudo apt install prometheus-node-exporter

  • Configure prometheus-node-exporter to expose metrics only to localhost, not on to all networks. Modify file /etc/default/prometheus-node-exporter:

    # Set the command-line arguments to pass to the server.
@deviantony
deviantony / vsphere_info.py
Last active March 5, 2023 14:51
VMWare Vsphere info in Python using pyvmomi
#!/usr/bin/env python
import pyVmomi
import argparse
import atexit
import itertools
from pyVmomi import vim, vmodl
from pyVim.connect import SmartConnect, Disconnect
import humanize
@cliffano
cliffano / human_log.py
Last active November 9, 2022 01:28
Ansible callback plugin for human-readable result logging - http://blog.cliffano.com/2014/04/06/human-readable-ansible-playbook-log-output-using-callback-plugin/
# This gist is compatible with Ansible 1.x .
# For Ansible 2.x , please check out:
# - https://gist.github.com/dmsimard/cd706de198c85a8255f6
# - https://github.com/n0ts/ansible-human_log
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#