( ! ) Warning: mysqli_real_connect(): (HY000/2002): No such file or directory in /var/www/wordpress/wp-includes/class-wpdb.php on line 2019
Call Stack
#	Time	Memory	Function	Location
1	0.0000	247576	{main}( )	.../index.php:0
2	0.0001	248008	require( '/var/www/wordpress/wp-blog-header.php' )	.../index.php:17
3	0.0001	248672	require_once( '/var/www/wordpress/wp-load.php' )	.../wp-blog-header.php:13
4	0.0001	249256	require_once( '/var/www/wordpress/wp-config.php' )	.../wp-load.php:50
5	0.0001	250632	require_once( '/var/www/wordpress/wp-settings.php' )	.../wp-config.php:100
6	0.0038	780216	require_wp_db( )	.../wp-settings.php:124
7	0.0039	840384	wpdb->__construct( )	.../load.php:582
8	0.0039	840920	wpdb->db_connect( )	.../class-wpdb.php:773
9	0.0039	842440	mysqli_real_connect ( )	.../class-wpdb.php:2019

( ! ) Warning: mysqli_real_connect(): (HY000/2002): No such file or directory in /var/www/wordpress/wp-includes/class-wpdb.php on line 2019

Call Stack

Time

Memory

Function

Location

0.0000

247576

{main}( )

.../index.php:0

0.0001

248008

require( '/var/www/wordpress/wp-blog-header.php' )

.../index.php:17

0.0001

248672

require_once( '/var/www/wordpress/wp-load.php' )

.../wp-blog-header.php:13

0.0001

249256

require_once( '/var/www/wordpress/wp-config.php' )

.../wp-load.php:50

0.0001

250632

require_once( '/var/www/wordpress/wp-settings.php' )

.../wp-config.php:100

0.0038

780216

require_wp_db( )

.../wp-settings.php:124

0.0039

840384

wpdb->__construct( )

.../load.php:582

0.0039

840920

wpdb->db_connect( )

.../class-wpdb.php:773

0.0039

842440

mysqli_real_connect ( )

.../class-wpdb.php:2019

( ! ) Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /var/www/wordpress/wp-includes/class-wpdb.php on line 2051
Call Stack
#	Time	Memory	Function	Location
1	0.0000	247576	{main}( )	.../index.php:0
2	0.0001	248008	require( '/var/www/wordpress/wp-blog-header.php' )	.../index.php:17
3	0.0001	248672	require_once( '/var/www/wordpress/wp-load.php' )	.../wp-blog-header.php:13
4	0.0001	249256	require_once( '/var/www/wordpress/wp-config.php' )	.../wp-load.php:50
5	0.0001	250632	require_once( '/var/www/wordpress/wp-settings.php' )	.../wp-config.php:100
6	0.0038	780216	require_wp_db( )	.../wp-settings.php:124
7	0.0039	840384	wpdb->__construct( )	.../load.php:582
8	0.0039	840920	wpdb->db_connect( )	.../class-wpdb.php:773
9	0.0042	842448	wpdb->db_connect( )	.../class-wpdb.php:2046
10	0.0042	842592	mysql_connect ( )	.../class-wpdb.php:2051

( ! ) Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /var/www/wordpress/wp-includes/class-wpdb.php on line 2051

Call Stack

Time

Memory

Function

Location

0.0000

247576

{main}( )

.../index.php:0

0.0001

248008

require( '/var/www/wordpress/wp-blog-header.php' )

.../index.php:17

0.0001

248672

require_once( '/var/www/wordpress/wp-load.php' )

.../wp-blog-header.php:13

0.0001

249256

require_once( '/var/www/wordpress/wp-config.php' )

.../wp-load.php:50

0.0001

250632

require_once( '/var/www/wordpress/wp-settings.php' )

.../wp-config.php:100

0.0038

780216

require_wp_db( )

.../wp-settings.php:124

0.0039

840384

wpdb->__construct( )

.../load.php:582

0.0039

840920

wpdb->db_connect( )

.../class-wpdb.php:773

0.0042

842448

wpdb->db_connect( )

.../class-wpdb.php:2046

0.0042

842592

mysql_connect ( )

.../class-wpdb.php:2051

( ! ) Warning: mysql_connect(): No such file or directory in /var/www/wordpress/wp-includes/class-wpdb.php on line 2051
Call Stack
#	Time	Memory	Function	Location
1	0.0000	247576	{main}( )	.../index.php:0
2	0.0001	248008	require( '/var/www/wordpress/wp-blog-header.php' )	.../index.php:17
3	0.0001	248672	require_once( '/var/www/wordpress/wp-load.php' )	.../wp-blog-header.php:13
4	0.0001	249256	require_once( '/var/www/wordpress/wp-config.php' )	.../wp-load.php:50
5	0.0001	250632	require_once( '/var/www/wordpress/wp-settings.php' )	.../wp-config.php:100
6	0.0038	780216	require_wp_db( )	.../wp-settings.php:124
7	0.0039	840384	wpdb->__construct( )	.../load.php:582
8	0.0039	840920	wpdb->db_connect( )	.../class-wpdb.php:773
9	0.0042	842448	wpdb->db_connect( )	.../class-wpdb.php:2046
10	0.0042	842592	mysql_connect ( )	.../class-wpdb.php:2051

( ! ) Warning: mysql_connect(): No such file or directory in /var/www/wordpress/wp-includes/class-wpdb.php on line 2051

Call Stack

Time

Memory

Function

Location

0.0000

247576

{main}( )

.../index.php:0

0.0001

248008

require( '/var/www/wordpress/wp-blog-header.php' )

.../index.php:17

0.0001

248672

require_once( '/var/www/wordpress/wp-load.php' )

.../wp-blog-header.php:13

0.0001

249256

require_once( '/var/www/wordpress/wp-config.php' )

.../wp-load.php:50

0.0001

250632

require_once( '/var/www/wordpress/wp-settings.php' )

.../wp-config.php:100

0.0038

780216

require_wp_db( )

.../wp-settings.php:124

0.0039

840384

wpdb->__construct( )

.../load.php:582

0.0039

840920

wpdb->db_connect( )

.../class-wpdb.php:773

0.0042

842448

wpdb->db_connect( )

.../class-wpdb.php:2046

0.0042

842592

mysql_connect ( )

.../class-wpdb.php:2051

No such file or directory

Error al establecer una conexión con la base de datos

Esto significa que la información del nombre de usuario y contraseña en tu archivo wp-config.php no es correcta o que no se ha podido establecer contacto con el servidor de la base de datos en localhost. Esto podría significar que el servidor de la base de datos de tu alojamiento está caído.

¿Seguro que tienes el nombre de usuario y la contraseña correctos?
¿Seguro que has escrito el hostname correcto?
¿Seguro que funciona el servidor de la base de datos?

Si no estás seguro de qué significan estos términos, deberías contactar con tu alojamiento. Si aún necesitas ayuda, siempre puedes visitar los foros de soporte de WordPress.