subfuzion

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

chatchavan

Setup Wireless LAN for Raspberry Pi

The following guide describes how to setup Raspberry Pi to connect to Wifi. It was tested on the following environment:

• Raspberry Pi Model B
• Edimax EW-7811Un USB Wifi dongle
• OS: Raspbian Jessie

Here are the overview of the steps:

spalladino

# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE

u0d7i

Disable vim automatic visual mode on mouse select

issue: :set mouse-=a
add to ~/.vimrc: set mouse-=a

my ~/.vimrc for preserving global defaults and only changing one option:

source $VIMRUNTIME/defaults.vim
set mouse-=a

cabal95

#!/bin/bash
#

BACKUPDEST="$1"
DOMAIN="$2"
MAXBACKUPS="$3"

if [ -z "$BACKUPDEST" -o -z "$DOMAIN" ]; then
    echo "Usage: ./vm-backup <backup-folder> <domain> [max-backups]"
    exit 1

yumminhuang

#!/usr/bin/env python
#coding=utf-8

import apt
import apt_pkg
from time import strftime
import os
import subprocess
import sys

ZeroDragon

1. First get to the existing directory
   $ cd my/folder/

2. Now start a new git repository
   $ git init

3. Identify if the current elements on the directory are needed or not and add them to the .gitignore file. When ready...
   $ vim .gitignore

4. When ready create the first commit on the server

femmerling

# to be able to import ldap run pip install python-ldap 

import ldap
 
if __name__ == "__main__":
  	ldap_server="x.x.x.x"
	username = "someuser"
	password= "somepassword"
	# the following is the user_dn format provided by the ldap server
	user_dn = "uid="+username+",ou=someou,dc=somedc,dc=local"

onyxraven

#XLarge DBInstanceClassMemory = 15892177440 = 14.8GB
#/32 = 496630545 = 473MB
#/64 = 248315272 = 236MB
#/128 = 124157636 = 118MB
#/256 = 62078818 = 59MB
#/512 = 31039409 = 29MB
#/12582880 = 1263 #default same divisor as max_connections = 4041.6MB = 4237924762
#/25165760 = 623 # half of max_connections = 1993.6MB
#/50331520 = 315 # quarter of max_connections = 1008MB = 1056964608
#*(3/4) #default innodb pool size = 11922309120