Guides tagged “cloudlinux”
Step-by-step MdmHost guides about cloudlinux, sorted A-Z.
43 guides · page 1 of 3
Check CPU, memory and process limits in cPanel (Resource Usage)
Read the CloudLinux Resource Usage page in cPanel to see CPU, memory, entry processes and I/O limits, understand 508 errors, and find what makes your site slow.
Choose and change the PHP version for WordPress
Pick a supported PHP version for WordPress, check plugin and theme compatibility, switch versions in cPanel with Select PHP Version or MultiPHP and roll back if needed.
CloudLinux AccelerateWP explained: one-click WordPress optimisation
What CloudLinux AccelerateWP is, how its optimisation suite and smart advice work with WordPress, how it compares with LiteSpeed Cache, and when to use it.
CloudLinux CageFS explained: what it does for your hosting account
What CloudLinux CageFS is, how it isolates each cPanel account in its own file system, what you can and cannot see over SSH, and common CageFS questions.
CloudLinux hardened PHP explained: are old PHP versions safe?
What CloudLinux hardened PHP (alt-php) is, how it backports security fixes to end-of-life PHP versions, its limits, and why you should still plan an upgrade.
CloudLinux I/O and IOPS limits: why your site is slow during backups and imports
How CloudLinux IO and IOPS limits affect disk-heavy tasks such as backups, imports and image processing, how to spot IO faults in Resource Usage and how to reduce disk load.
CloudLinux lveinfo, lvetop and lvectl: find resource-heavy accounts from SSH
Root guide to the CloudLinux command-line tools: watch live usage with lvetop, query history and faults with lveinfo, and view or change limits with lvectl.
CloudLinux Manager admin settings: limits, packages and reseller limits (root guide)
Configure CloudLinux Manager in WHM as root: default LVE limits, per-package limits, enabling reseller limits, fault notifications and selector options.
CloudLinux memory limit (PMEM) errors: causes and fixes
Fix 500 and 503 errors caused by the CloudLinux physical memory limit: find memory faults, tell them apart from PHP memory_limit errors, and reduce memory use.
CloudLinux MySQL Governor explained: database limits on shared hosting
How CloudLinux MySQL Governor tracks and limits database usage per account, why heavy queries get restricted, and how to fix slow queries that hit the limits.
CloudLinux PHP Selector vs cPanel MultiPHP Manager: which one to use
The difference between CloudLinux Select PHP Version and cPanel MultiPHP Manager, which one controls your site's PHP on MdmHost, and how to avoid conflicts.
CloudLinux resource limits for resellers: what each limit means and plan maximums
What CPU, PMEM, I/O, IOPS, EP and NPROC mean, which reseller plans include CloudLinux Manager, and the maximum limits per package or account on every plan.
Configure CloudLinux PHP Selector as root: versions, defaults and extensions
Set up CloudLinux PHP Selector for your users as root: install alt-php versions, choose the default version, default extensions and options, and fix selector issues.
Convert AlmaLinux to CloudLinux on a DirectAdmin, Plesk or panel-less server
Convert an AlmaLinux or Rocky server to CloudLinux OS with cldeploy, then set up LVE limits, CageFS and PHP Selector on DirectAdmin, Plesk or a server without a panel.
Deploy a Next.js app on cPanel hosting with Setup Node.js App
Run a server-rendered Next.js site on MdmHost cPanel hosting: build it, upload it, create the app in Setup Node.js App with a custom server file and restart.
Enable ionCube or SourceGuardian loader with CloudLinux PHP Selector
Fix "requires the ionCube PHP Loader" errors on cPanel by enabling ionCube or SourceGuardian in CloudLinux PHP Selector, choosing a compatible PHP version and testing.
Enable Node.js and Python Selector for cPanel users (CloudLinux root guide)
Install alt-nodejs and alt-python versions, enable the Node.js and Python selectors in CloudLinux Manager, set defaults and limit what users can run.
Enable PHP extensions and change PHP options in CloudLinux PHP Selector
Turn PHP extensions such as imagick, intl and ionCube on or off and change memory_limit, upload_max_filesize and max_execution_time with CloudLinux PHP Selector.
Find why a WordPress site is slow with CloudLinux X-Ray
Use CloudLinux X-Ray to trace slow PHP requests: see which plugins, database queries and external calls take time, and turn the findings into concrete fixes.
Fix "503 Service Unavailable" on LiteSpeed hosting
Find and fix 503 Service Unavailable errors on LiteSpeed cPanel hosting: PHP processes failing to start, resource limits, crashed PHP extensions, and timeouts in long scripts.
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