title: mysql is not starting in XAMPP LINUX MINT 18.3
body: <p><br>
  i am using linux mint 18.3 <br>
  mysql server is starting in xampp.<br></p>
  
  <pre><code>sudo /opt/lampp/lampp start
  Starting XAMPP for Linux 7.1.25-0...
  XAMPP: Starting Apache...already running.
  XAMPP: Starting MySQL...ok.
  XAMPP: Starting ProFTPD...already running.
  istiaq@istiaq-B250M-HD3 ~ $ /opt/lampp/bin/mysqld_safe_helper: Can't create/write to file '/opt/lampp/var/mysql/istiaq-B250M-HD3.err' (Errcode: 13 "Permission denied")
  /opt/lampp/bin/mysql.server: 260: kill: No such process
  </code></pre>
  
  <p>after i use :<br></p>
  
  <pre><code>sudo service mysql stop
  sudo /etc/init.d/apache2 stop
  </code></pre>
  
  <p>then again :<br></p>
  
  <pre><code>sudo /opt/lampp/lampp start
  </code></pre>
  
  <p>But problem is not solved !!</p>