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#!/bin/bash
version="0.9.4 from 2010-09-13"
# Always download the latest version here: http://www.eurosistems.ro/back-res
# Thanks or questions: http://www.howtoforge.com/forums/showthread.php?t=41609
#
# CHANGELOG:
# -----------------------------------------------------------------------------
# version 0.9.4 - 2010-09-13
# --------------------------
# Small fix: - Corrected small bug replaced tar with $TAR in the recovery line

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#!/bin/bash

## ./services-action.sh restart => To restart all the services
## ./services-action.sh restart postfix => To restart specific service (postfix in this case)

initPath="/etc/init.d/"
services="apache2,mysql,amavis,postfix,courier-authdaemon,courier-imap,courier-imap-ssl,courier-pop,courier-pop-ssl"

export IFS=","
if [ $# -lt 1 ]; then

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--
-- Database: `logs`
--
DROP DATABASE `logs`;
CREATE DATABASE `logs` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
USE `logs`;

-- --------------------------------------------------------

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#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?

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#!/bin/sh

###
## Virtual box options
###
export VIRTUALBOX_CPU_COUNT='1'
export VIRTUALBOX_DISK_SIZE='10000'
export VIRTUALBOX_MEMORY_SIZE='512'

swarm_workers=2

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Reading material

• http://cr.yp.to/syncookies.html

• https://www.frozentux.net/ipsysctl-tutorial/ipsysctl-tutorial.html#AEN234

• https://voipmagazine.wordpress.com/tag/tcp_max_syn_backlog/

• https://vincent.bernat.im/en/blog/2014-tcp-time-wait-state-linux

• http://blog.haproxy.com/2012/12/12/haproxy-high-mysql-request-rate-and-tcp-source-port-exhaustion/

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for dir in `ls -d */`; do BASE_PATH=`pwd`; DIR_PATH=$BASE_PATH/$dir; cd $DIR_PATH; git pull; cd ../ ; done

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Compilation of useful AWS CLI commands that I accumulate over time

Don't forget to export AWS_DEFAULT_PROFILE=MyMagicalAWSProfile :)

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If you get the following error when running wp command

Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 12288 bytes) in ....

You can overcome that the following way

php -d memory_limit=256M /usr/bin/wp

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* alicloud_ess_alarm.alarm_up: CreateAlarm got an error: &errors.ServerError{httpStatus:400, requestId:"xxxx-xxxx", 
hostId:"ess.eu-central-1.aliyuncs.com", errorCode:"InvalidParameter", recommend:"",
message:"The specified value of parameter \"MetricName\" is not valid.", comment:""}.