Came across the need to perform maintenance on a MySQL database which holds millions of records, we needed to remove all data which was 2+ years old which involved deleting around 530 million records from a very large table, hitting nearly 200GB.
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Servers
A client was having issues sending emails and receiving a number of alerts regarding delayed emails. After looking investigating a number of outbound emails where queued with a failure reason of
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Having problems keeping your server time in sync? or a project requiring accurate timing? If your using a Amazon EC2 instance you can swap to using Chrony and Amazon Time Sync using the below commands.
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Manage your system better with the ability to kill processes on Linux easily with killall command, kill those unwanted processes freeing valuable resources.
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