Lỗi 113 khi remote Mysql

Đâylà nội dung file etc/my.cnf của em ạ

[client]
socket=/var/lib/mysql/mysql.sock

[mysql]
max_allowed_packet = 32M

[mysqld]
local-infile=0
ignore-db-dir=lost+found
character-set-server=utf8
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

#bind-address=127.0.0.1
# optimized my.cnf for MariaDB 5.5.x
# by eva2000
# vbtechsupport.com

tmpdir=/usr/local/mariadbtmp

innodb=ON
#skip-federated
#skip-pbxt
#skip-pbxt_statistics
#skip-archive
#skip-name-resolve
#old_passwords
back_log = 75
max_connections = 250
key_buffer_size = 32M
myisam_sort_buffer_size = 32M
myisam_max_sort_file_size = 2048M
join_buffer_size = 64K
read_buffer_size = 64K
sort_buffer_size = 128K
table_definition_cache = 4096
table_open_cache = 2048
thread_cache_size = 64
wait_timeout = 1800
connect_timeout = 10
tmp_table_size = 32M
max_heap_table_size = 32M
max_allowed_packet = 32M
#max_seeks_for_key = 4294967295
#group_concat_max_len = 1024
max_length_for_sort_data = 1024
net_buffer_length = 16384
max_connect_errors = 100000
concurrent_insert = 2
read_rnd_buffer_size = 256K
bulk_insert_buffer_size = 8M
# query_cache boost for MariaDB >10.1.2+
# https://community.centminmod.com/posts/30811/
query_cache_limit = 512K
query_cache_size = 16M
query_cache_type = 1
query_cache_min_res_unit = 2K
query_prealloc_size = 262144
query_alloc_block_size = 65536
transaction_alloc_block_size = 8192
transaction_prealloc_size = 4096
default_storage_engine = InnoDB

log_warnings=1
slow_query_log=0
long_query_time=1
slow_query_log_file=/home/vpssim.demo/logs/mysql-slow.log
log-error=/home/vpssim.demo/logs/mysql.log

# innodb settings
innodb_large_prefix=1
innodb_purge_threads=1
innodb_file_format = Barracuda
innodb_file_per_table = 1
innodb_open_files = 1000
innodb_data_file_path= ibdata1:10M:autoextend
innodb_buffer_pool_size = 48M

## https://mariadb.com/kb/en/mariadb/xtradbinnodb-server-system-variables/#innodb_buffer_pool_instances
#innodb_buffer_pool_instances=2

innodb_log_files_in_group = 2
innodb_log_file_size = 128M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 2
innodb_thread_concurrency = 0
innodb_lock_wait_timeout=50
innodb_flush_method = O_DIRECT
innodb_support_xa=1

# 200 * # DISKS
innodb_io_capacity = 100
innodb_io_capacity_max = 2000
innodb_read_io_threads = 2
innodb_write_io_threads = 2
innodb_flush_neighbors = 1

# mariadb settings
[mariadb]
#thread-handling = pool-of-threads
#thread-pool-size= 20
#mysql --port=3307 --protocol=tcp
#extra-port=3307
#extra-max-connections=1

userstat = 0
key_cache_segments = 1
aria_group_commit = none
aria_group_commit_interval = 0
aria_log_file_size = 32M
aria_log_purge_type = immediate 
aria_pagecache_buffer_size = 8M
aria_sort_buffer_size = 8M

[mariadb-5.5]
innodb_file_format = Barracuda
innodb_file_per_table = 1

#ignore_db_dirs=
query_cache_strip_comments=0

innodb_read_ahead = linear
innodb_adaptive_flushing_method = estimate
innodb_flush_neighbor_pages = 1
innodb_stats_update_need_lock = 0
innodb_log_block_size = 512

log_slow_filter =admin,filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk

[mysqld_safe] 
socket=/var/lib/mysql/mysql.sock
log-error=/home/vpssim.demo/logs/mysql.log
#nice = -5
open-files-limit = 8192

[mysqldump]
quick
max_allowed_packet = 32M

[myisamchk] 
tmpdir=/usr/local/mariadbtmp
key_buffer = 32M 
sort_buffer = 16M
read_buffer = 16M
write_buffer = 16M

[mysqlhotcopy]
interactive-timeout

[mariadb-10.0]
innodb_file_format = Barracuda
innodb_file_per_table = 1

# 2 variables needed to switch from XtraDB to InnoDB plugins
#plugin-load=ha_innodb
#ignore_builtin_innodb

## MariaDB 10 only save and restore buffer pool pages
## warm up InnoDB buffer pool on server restarts
innodb_buffer_pool_dump_at_shutdown=1
innodb_buffer_pool_load_at_startup=1
innodb_buffer_pool_populate=0
## Disabled settings
performance_schema=OFF
innodb_stats_on_metadata=OFF
innodb_sort_buffer_size=2M
innodb_online_alter_log_max_size=128M
query_cache_strip_comments=0
log_slow_filter =admin,filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk

bind-address=127.0.0.1

What? Thay địa chỉ IP public của VPS vào đây nhé. Và khi Grant nhớ là dùng địa chỉ IP đó sau dấu a còng chứ không dùng chữ localhost hay 127.x.x.x

nó có dấu # đằng trước bind-address=127.0.0.1 mà a nhỉ