Igor-Lopes

 <?php 
    $file = 'myfile.php';
    $last_modified_time = filemtime($file); 
    $etag = md5_file($file); 

    header("Last-Modified: ".gmdate("D, d M Y H:i:s", $last_modified_time)." GMT"); 
    header("Etag: $etag"); 

    if (@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time || 
        trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag) { 

Igor-Lopes

• Limpar diretório de dependências: rm -rf node_modules
• Atualizar repositório: git pull
• Instalar dependências: npm install
• Executar mongo como admin: sudo mongod
• Executar app: nodemon app.js ou node app.js

Igor-Lopes

Install LAMP Server (Apache, MariaDB, PHP) On CentOS/RHEL/ 7

Install Apache:

yum install httpd -y

Start the Apache service and make it to start automatically on every reboot:

systemctl start httpd

Igor-Lopes

<filesMatch "\.(html|htm|js|css)$">
  FileETag None
  <ifModule mod_headers.c>
     Header unset ETag
     Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate"
     Header set Pragma "no-cache"
     Header set Expires "Wed, 11 Jan 1984 05:00:00 GMT"
  </ifModule>
</filesMatch>

Igor-Lopes

Initializing Repositories

1. Initialize repository git init

2. Add content git add *

3. Commit git commit -m "commit message"

Igor-Lopes

function getTime(date) {
        return $q(function(resolve, reject) {
                resolve(date.getTime());
         });
 }

var promise = getTime(new Date());

promise.then(function(data) {
        //Code here

Igor-Lopes

[ng\:cloak], [ng-cloak], .ng-cloak {
  display: none !important;
}

Igor-Lopes

MySQL conf file location:

/etc/my.cnf

Change Max connections parameters:

max_connections = 500

Print on terminal value of max_connections:

echo "show variables like 'max_connections';" | mysql -u root -p

SQL query lists database name and sizes

Igor-Lopes

display brief interface - Switch 3COM
display interface brief - Switch HP
display link-aggregation verbose
display mac-address

Igor-Lopes

System Description
3Com Switch 4200G 48-Port Software Version 3Com OS V3.02.00s56

1 Minute CPU Average
.1.3.6.1.4.1.43.45.1.6.1.1.1.3.65536

5 Minute CPU Average
.1.3.6.1.4.1.43.45.1.6.1.1.1.4.65536

Free Memory