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@renchap
renchap / README.md
Last active February 14, 2025 13:25
One-line certificate generation/renews with Letsencrypt and nginx

Prerequisites : the letsencrypt CLI tool

This method allows your to generate and renew your Lets Encrypt certificates with 1 command. This is easily automatable to renew each 60 days, as advised.

You need nginx to answer on port 80 on all the domains you want a certificate for. Then you need to serve the challenge used by letsencrypt on /.well-known/acme-challenge. Then we invoke the letsencrypt command, telling the tool to write the challenge files in the directory we used as a root in the nginx configuration.

I redirect all HTTP requests on HTTPS, so my nginx config looks like :

server {
@waynegraham
waynegraham / console.js
Last active July 7, 2025 09:23
print console.log output to a debug div (for mobile)
if (typeof console != "undefined")
if (typeof console.log != 'undefined')
console.olog = console.log;
else
console.olog = function() {};
console.log = function(message) {
console.olog(message);
$('#debugDiv').append('<p>' + message + '</p>');
};
@willurd
willurd / web-servers.md
Last active May 5, 2026 10:35
Big list of http static server one-liners

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000
#!/bin/sh
# btsync service
# Replace with linux users you want to run BTSync clients for
BTSYNC_USERS="mendel"
DAEMON=/usr/bin/btsync
start() {
for btsuser in $BTSYNC_USERS; do
HOMEDIR=`getent passwd $btsuser | cut -d: -f6`
config=$HOMEDIR/.sync/config.json
@kapkaev
kapkaev / gist:4619127
Created January 24, 2013 09:30
MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error. Resque
$ redis-cli
> config set stop-writes-on-bgsave-error no
@phgrau
phgrau / gist:4048239
Created November 9, 2012 21:07 — forked from anonymous/gist:4047604
a quick and dirty tips-n-tricks for ansible
Variables
==========
predefined variables :
- inventory_hostname (fqdn) (normally the same as ansible.fqdn)
- inventory_hostname_short
To know the return codes returned by ansible modules, just use plain ansible -vvv to see them :
ansible -i ~/ansible/arrfab.net/hosts/hosts.cfg -vvv -m copy -a 'src=files/sysinfo dest=/etc/sysinfo' tungstene.arrfab.net
tungstene.arrfab.net | success >> {
"changed": true,
@katanacrimson
katanacrimson / netstat.js
Created October 24, 2012 22:29
Quickie node.js to grab & parse current local TCP connections [netstat, Windows]
var child = require('child_process'),
util = require('util'),
netstat = child.spawn('netstat', ['-nb']),
out = ''
netstat.stdout.on('data', function(data) {
out += data
})
netstat.stderr.on('data', function(data) {
console.log('err: ' + data)
@chmduquesne
chmduquesne / ola.py
Created June 22, 2012 14:12 — forked from brunobord/ola.py
Olà in Python / ASCII art
#!/usr/bin/env python
#-*- coding: utf-8 -*-
import os
import time
import random
ncols = 26
nrows = 20
def cls():
@brutuscat
brutuscat / README
Last active July 29, 2025 16:05
Anonymous Rotating Proxies with Monit, Tor, Haproxy and Delegated. Idea by http://blog.databigbang.com/running-your-own-anonymous-rotating-proxies/
0 - Read http://blog.databigbang.com/running-your-own-anonymous-rotating-proxies/
1 - Install monit, haproxy, tor and delegated.
2 - Setup your environment in the setup.rb file
3 - Just run > ruby setup.rb
4 - ...........
5 - PROFIT! > http://www.southparkstudios.com/clips/151040/the-underpants-business
@jmtagarro
jmtagarro / node.sh
Created March 29, 2012 13:47
node.js init.d script for CentOS with pidfile
#!/bin/sh
#
# chkconfig: 35 99 99
# description: Node.js /home/nodejs/sample/app.js
#
. /etc/rc.d/init.d/functions
# Creamos un fichero PID para monit
SCRIPT="$(basename $0)"