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Troubleshooting
Too slow, how to make my site faster?
| My site running slow, how to make it faster? | How to improve my site performance? |
My server load is high, how to resolve it?
| My server load is high, how to resolve it? | How to resolve my server load issue? |
How to fix PHP 503 errors?
| Troubleshooting 503 Errors | How to fix PHP 503 errors? |
Understanding 500 error
| Understanding 500 error | What is 500 internal server error and how to fix it? |
How to fix 404 error?
| Understanding 404 error | What is 404 Not Found error and how to fix it? |
How to fix 403 error?
| Understanding 403 error | What may cause 403 error? |
Common errors
| Site reached its capacity limit | What's wrong with it? |
| "File permission is restricted for script" error | How to fix script restriction error |
| "Can not find External Application: lsphp55" | Server error:can not find lsphp55 external app after the installation, how to fix it? |
| "Site Reached Its Capacity Limit!" | How to fix a “Site reached its capacity limit!” error in CloudLinux |
| LiteMage Cache Troubleshooting | How to troubleshoot LiteMage Full Page Cache |
| Child process killed, is that normal? | How to deal with “Child Process Killed” message in stderr.log |
| LSWS Admin Panel Unavailable | My LSWS admin panel unavailable, how to fix it? |
| "Too many bad requests, block" | How to fix “Status 400: Bad request method” error? |
| Handle "Access to context [/] is denied" | Troubleshoot “[ACL] Access to context [/] is denied!” error |
| Directive 'suPHP_UserGroup' is not allowed in current context | How to fix error“Directive 'suPHP_UserGroup' is not allowed in current context.” |
| systemd Status Incorrectly Shows Inactive | How to fix when LSWS is actually running |
| Common errors | Understanding some common errors and how to fix them? |
| Incorrect license will cause LSWS unstable | Why my LiteSpeed web server stoppes everyday? |
| Incorrect license will cause LSWS untable to start | Why can not start LSWS: “LiteSpeed is not up within 60 secs”? |
| Newly installed LSWS on cpanel with a site owner license could not be started,why? | “Domain limit has been reached, domain limit: 5, total domains: xx” |
| Minor difference on [L] flag between LSWS and Apache | LSWS and Apache interpreting [L] flag slightly different in rewrite rules |
| Stderr.log ouputs many PHP warning messages which comsumed a lot of disk | Stderr.log consuming a lot of disk, how to stop this? |
Debugging
| Bug Reporting | How to file a LiteSpeed bug report |
| Toggle Debug Logging | A feature for quickly switching between normal and very detailed log levels |
| How to Enable Rewrite Logging | The first step in debugging rewrite rules |
| How to Debug my Rewrite Rule | The steps to check the failed rewrite rule |
Advanced troubleshooting
| Strace PHP process | Diagnosing Performance Issues: Using strace with PHP |
| Check files openned by a Process | Use lsof to trace open files |
| Mysql was killed accidently by LiteSpeed, Why? | Small OS pid_max may cause some processes killed using recycled pid |