Secure your cPanel account from spamming

General Guidelines: ------------------- (). Use strong passwords (compromised accounts tend to send a lot of spam!) (). Check the server for malware. cPanel provides ClamAV in WHM >> Configure ClamAV Scanner. More information about this program can be found in our documentation: - - - - - - - - - - - - - - - - - - - - - - - - - https://documentation.cpanel.net/display/CKB/Security+and+Virus+Scans+in+WHM - - - - - - - - - - - - - - - - - - - - - - - - - (). Update web applications to their most recent versions (such as Wordpress, Joomla, etc.) You can also use the following settings in WHM >> Tweak Settings: - - - - - - - - - - - - - - - - - - - - - - - - - (). Track email origin via X-Source email headers (). Restrict...

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Linux : RAM usage vs Swap

How Linux uses RAM (very simplified) Each application can use some of your memory. Linux uses all otherwise unoccupied memory (except for the last few Mb) as "cache". This includes the page cache, inode caches, etc. This is a good thing - it helps speed things up heaps. Both writing to disk and reading from disk can be sped up immensely by cache. Ideally, you have enough memory for all your applications, and you still have several hundred Mb left for cache. In this situation, as long as your applications don't increase their memory use and the system isn't struggling to get enough space for cache, there is no need for any swap. Once applications claim more RAM, it simply goes into some of the space that was used by cache, shrinking...

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