vietdien2005

Commands Check Performance Disk

Commands

• Reading speed cache/buffer: hdparm
• Check cache reading speed: hdparm
• Sequential write speed: dd
• Check iops when random read/write (block 4K): fio

Usage hdparm

vietdien2005

• Command

grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+" /var/log/nginx/access.log

• Unique IPs

grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+" /var/log/nginx/access.log | sort | uniq

vietdien2005

<?php

include 'simple_html_dom.php';

function crawlDetail($url)
{
    $html = file_get_contents($url);
    $html = str_get_html($html);

    $info = [];

vietdien2005

Firstly, install the dev tools you’re doing to need.

yum -y groupinstall "Development Tools" yum -y install libev libev-devel zlib zlib-devel openssl openssl-devel git Next, we’re going to store a few things in /var/tmp and install the new version of openssl into /opt/openssl

mkdir /var/tmp cd /var/tmp wget https://www.openssl.org/source/openssl-1.0.2-latest.tar.gz tar -zxf openssl-1.0.2-latest.tar.gz

vietdien2005

version="3.4.1"

echo "Installing OpenCV" $version
mkdir OpenCV
cd OpenCV

echo "Removing any pre-installed ffmpeg and x264"
sudo apt-get -qq remove ffmpeg x264 libx264-dev

echo "Installing Dependenices"

vietdien2005

# Stop MySQL
```bash
  sudo /etc/init.d/mysql start
```
# Make MySQL service directory & give MySQL user permission to write to the service directory.
```bash
  sudo mkdir /var/run/mysqld && sudo chown mysql: /var/run/mysqld
```
# Start MySQL manually, without permission checks or networking.
```bash

vietdien2005

diskutil partitionDisk /dev/disk2 1 MBRFormat "MS-DOS FAT32" EDISON 805.30M`

vietdien2005

  travis encrypt DOCKER_USER=<username> --add env.matrix
  travis encrypt DOCKER_PASS=<password> --add env.matrix

vietdien2005

#!/bin/bash

read -p "Type name config file vpn: " name_file

function getStatus () {
	ifconfig | grep $1 && return 1
	return 0
}

while [[ 1 ]]; do

vietdien2005

• Install Dev Tools, PHP, Nginx

  sudo yum install nginx php php-fpm php-common gcc glibc glibc-common gd gd-devel make net-snmp unzip -y
  sudo yum groupinstall 'Development Tools' -y

• Nginx – Nagios Configuration

  cd /etc/nginx/conf.d
  sudo vi nagios.conf