How can i restart my cron jobs?

hi
I chaneg my cron jobs
and now I have a problem with earlier work cron jobs
I want to restart my cron jobs with cpanel or whm
how can I do??

 

hi
tanks for reply
i have many php file who cron jobs run all that.
Ichange all of php file and then change all cronjobs name
Now I resive post in telegram from earlier php file and mysql does not work and I cant restart that from whm

 

my error in phpmy admin is

Code:

[B]Warning[/B] in ./libraries/plugins/auth/AuthenticationCpanel.php#629
mysqli_connect(): (HY000/2002): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

[B]Backtrace[/B]

./libraries/plugins/auth/AuthenticationCpanel.php#629: mysqli_connect(
string ********,
string ********,
string ********,
string ********,
string ********,
)
./libraries/plugins/auth/AuthenticationCpanel.php#389: PMA\libraries\plugins\auth\AuthenticationCpanel::cp_mysql_auth_check(
string '*********',
string '********',
)
./libraries/common.inc.php#667: PMA\libraries\plugins\auth\AuthenticationCpanel->authCheck()
./index.php#20: require_once(./libraries/common.inc.php)

and I dont know what shoud I do