Modifing max connections setting in MySQL

gistfile1.sh

show variables like "max_connections";

gistfile2.sh

+-----------------+-------+
| Variable_name   | Value |
+-----------------+-------+
| max_connections | 550   |
+-----------------+-------+
1 row in set (0.00 sec)

gistfile3.sh

set global max_connections = 550;