Aysad Kozanoglu AysadKozanoglu

download

wget https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-controllers-common-files/8-07-14_MegaCLI.zip

unzip

unzip 8-07-14_MegaCLI.zip

How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.

Step 1 - Enable NBD on the Host

modprobe nbd max_part=8

Linux simple performance tweaks

Change the I/O Scheduler

Open $ vim /etc/default/grub then add elevator=noop next to GRUB_CMDLINE_LINUX_DEFAULT. Run $ update-grub and $ cat /sys/block/sda/queue/scheduler to be sure that noop is being used:

$ vim /etc/default/grub
$ update-grub
$ cat /sys/block/sda/queue/scheduler

[noop] deadline cfq

Using auto backup with Vim

Not using versioning on your configuration files and editing them with Vim? Use Vim’s backup option to automatically keep a copy of past versions:

To put in your ~/.vimrc:

"Turn on backup option
set backup

	<?php
	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
	/* AES implementation in PHP */
	/* (c) Chris Veness 2005-2011 www.movable-type.co.uk/scripts */
	/* Right of free use is granted for all commercial or non-commercial use providing this */
	/* copyright notice is retainded. No warranty of any form is offered. */
	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

	class Aes {

	#
	# CORS header support
	#
	# One way to use this is by placing it into a file called "cors_support"
	# under your Nginx configuration directory and placing the following
	# statement inside your location block(s):
	#
	# include cors_support;
	#
	# As of Nginx 1.7.5, add_header supports an "always" parameter which

	client
	dev tun
	proto tcp
	remote 192.168.1.1 1194
	resolv-retry infinite
	nobind
	persist-key
	persist-tun
	ca [inline]
	cert [inline]

	#!/bin/bash
	# for Debian Jessie



	configfile=/etc/keepalived/keepalived.conf

	content=$(egrep '(vrrp_instance\|interface\|virtual_ipaddress)' -A1 $configfile \| egrep -v "(\-\-\|track_\|virtual_)" \| grep -A6 vrrp_);

	#echo "$content";

	#!/bin/sh
	#
	# About
	# -----
	# This script sends simple system-metrics to a remote graphite server.
	#
	#
	# Metrics
	# -------
	# The metrics currently include the obvious things such as:

	#! /bin/bash
	#
	# Diffusion youtube avec ffmpeg

	# Configurer youtube avec une résolution 720p. La vidéo n'est pas scalée.

	VBR="2500k" # Bitrate de la vidéo en sortie
	FPS="30" # FPS de la vidéo en sortie
	QUAL="medium" # Preset de qualité FFMPEG
	YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" # URL de base RTMP youtube