phpmyadmin : Cannot start session without errors

phpmyadmin error : cannot start session without errors please check errors given in your PHP and/or webserver log file and configure your PHP installation properly.

Open file php.ini.
apache2 (Debian, Ubuntu) : /etc/php5/apache2/php.ini 
httpd (RHEL, CentOS) : /etc/php.ini

Uncomment following line there.
If it is CentOS or RHEL :

session.save_path = "/var/lib/php/session" 

If it is debian or ubuntu :

session.save_path = "/tmp"

Restart Apache.

phpmyadmin error : #1153 - Got a packet bigger than 'max_allowed_packet' bytes

 phpmyadmin- Got a packet bigger than 'max_allowed_packet' bytes

 


Error in phpmyadmin while uploading sql file :

1) Open file my.cnf 
path of the file : /opt/lampp/etc/my.cnf

2) Set value max_allowed_packet=128M under attribute [mysqld] 
    If parameter is not there, add it under attribute [mysqld] .

[mysqld]
max_allowed_packet=128M

3) Restart XAMPP.




Access forbidden : New XAMPP security concept : XAMPP - phpmyadmin error

Solution :
Access forbidden :  New XAMPP security concept error in phpmyadmin after new XAMPP installation

1) Open the file /opt/lampp/etc/extra/httpd-xampp.conf

2) Search text #New XAMPP security concept in the file and replace Deny from all to Allow from all under #New XAMPP security concept

3) Add line Require all granted in <Directory "/opt/lampp/phpmyadmin">. 
 Now it looks like this.

<Directory "/opt/lampp/phpmyadmin">
    AllowOverride AuthConfig Limit
    Require all granted
    Order allow,deny
    Allow from all    
</Directory>

4) Restart XAMPP

If you are still getting problem

Solution : 2
Run following command

$ sudo /opt/lampp/lampp security

Set password for everything.
Restart XAMPP and try again.