Zachary Karr
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Articles
Recent activity by Zachary Karr-
SpamScan Plugin
Question Where can I install or get a new license for SpamScan Plugin for cPanel & WHM? Answer SpamScan was a cPanel & WHM plugin previously developed by Buycpanel. The software was used to s...
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error opening /var/ossec/logs/active-responses.log: Permission denied
Symptoms A notification email from Anacron job 'cron.daily' containing the error: /etc/cron.daily/logrotate:error: error opening /var/ossec/logs/active-responses.log-{date}: Permission denied ...
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CalDav events containing certain characters show "does not map to ascii" error when editing them
SymptomsWhen importing or editing an event that contains certain characters, an error similar to the following is shown:CPANEL_ERROR: DAV Error (500): 11.128.0.14 "\x{00c3}" does not map to ascii a...
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Roundcube MySQL dbmigration fails with Unknown column 'user_id'
SymptomsSevers using the MySQL backend for Roundcube are unable to log in after the update to v128. A message similar to the following is shown:Oops... something went wrong!An internal error has oc...
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Mailman archive function fails with an error regarding replace_payload_by_text
Symptoms When a Mailman archive process is run, an error similar to the following is produced: [root@server]# sudo -u mailman /usr/local/cpanel/3rdparty/mailman/bin/arch --wipe newlist_cptesting.tl...
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Roundcube's Disk Usage page shows inaccurate cPanel Account values for systems with multiple partitions
Symptoms When viewing the Disk Usage within Roundcube, the cPanel Account usage shows an inaccurate number on systems with more than one partition. Description This issue is caused by only the f...
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Mailman Error: "bad escape \s at position 0"
Symptoms In cPanel version 126 with Mailman 2.2.0.19-1, errors similar to the following are generated: Apr 30 16:13:35 2025 (163123) Uncaught runner exception: bad escape \s at position 0Apr 30 16:...
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Polkit pkexec vulnerability CVE-2021-4034
Symptoms On January 25th 2022, a privilege escalation vulnerability was announced for the polkit package and you want to ensure your system is secure. Description The vulnerability affects the p...
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How To Leverage Browser Caching
Introduction Modern internet browsers support file caching. This can often help speed up the loading time of your website as each element (such as images) does not need to be loaded with each page ...
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How to Manage PHP versions on the command line?
QuestionHow to Manage PHP versions on the command line? AnswerMultiPHP can be managed via the command line by leveraging whmapi1, via the PHP Module. Below are examples of the most common commands...