Eric Delorme
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Articles
Recent activity by Eric Delorme-
How to create a smarthost route list for a set of domains instead of all domains
QuestionHow do you create a smarthost route list for a set of domains instead of all domains? AnswerWhen there is a requirement to send a single domain or a particular set of domains to a configure...
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How to change an email account password via CLI on a cPanel server
Introduction You may have a need to change an email account password using a shell instead of accessing WHM. Procedure This can be done by escalating to the cPanel user and then executing /usr/lo...
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How to add additional SMTP ports
Introduction You may have requirements to add an additional SMTP port for authentication. This port will allow both STARTTLS and plain text authentication. Procedure Access WHM as the root user....
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How to set a custom per user setting on Tweak Setting => "Number of unique recipients per hour to trigger potential spammer notification."
Introduction In WHM under Tweak Settings the "Number of unique recipients per hour to trigger potential spammer notification." setting sends a notification when the set threshold is reached. There ...
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MySQL Password reset Operation ALTER USER failed for user
Symptoms You reset the MySQL user password for a cPanel user but that password doesn't work. Description The database user can't be changed because of error "ERROR 1396 (HY000): Operation ALTER ...
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How to increase open files limits for MariaDB
Introduction The my.cnf setting for open_files_limit may not be taken as a variable and needs to be set via systemd. Procedure Access the server via SSH as the root user Create the limits file a...
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MySQL Governor and users getting limited/restricted by max_user_connections
Symptoms CloudLinux is the base operating system with MySQL Governor installed and suddenly a user's max_user_connections gets set to 30. Description This is by design. When a user's LVE CPU lim...
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How to restrict the number of MySQL connections by users
Introduction Some server administrators want to restrict the number of user connections to MySQL. There needs to be a consideration of how busy a site may be and how many MySQL connections are need...
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How to enable Dovecot RawLogs on a cPanel server temporarily
Introduction There may be times where emails are missing and there is difficulty determining how they are being removed. If they are being done via IMAP commands via a mail client then there will b...
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How to convert a database table from InnoDB to MyISAM
Introduction When someone wants to convert a database table to MyISAM, the alter table SQL command can be used. This article provides the steps to convert a table. Please note that a qualified serv...