Open a linux shell execute the respective command; replace the hostname with the server IP/Hostname for which you want to check the avialability of secured mail ports.
POPS – port number 995
# openssl s_client -connect hostname:995
SMTPS – port number 465
# openssl s_client -connect hostname:465
IMAPS – port number 993
# openssl s_client -connect hostname:993
If PHP scripts using mysql shows the error message “mysql_connect(): Client does not support authentication protocol requested by server; consider upgrading MySQL client”
Edit /etc/my.cnf and add the line ‘old_passwords’ and restart mysql service
If you get the below error while trying to install a perl module
*********************************************************************
Testing connection speed…(this could take a while)….Done
Ran out of working CPAN mirrors. Please contact cPanel Support at /scripts/cPanelPerl.pm line 209
*********************************************************************
The fix is as below
# rm -f /root/.cpcpan/mirrors.speeds
# rm -f /root/.cpcpan/pingtimes/*
And rerun the script.
# find / -size +1000000000c
This is a useful command. This can be used to solve issues where the domlogs have exceeded 2 GB or so and apache refuse to start.