Viewing articles tagged 'troubleshooting'
Fix a 500 Internal Server Error
A 500 error usually indicates an application, PHP, permissions or configuration failure.Applies...
Fix a 403 Forbidden error
A 403 response means access was denied by permissions, security rules or missing index...
Fix a 404 Not Found error
A 404 response means the server or application could not locate the requested route.Applies to:...
Diagnose a WordPress plugin or theme conflict
Find the component causing an error without disabling everything permanently or changing several...
Troubleshoot a blank or white page
A blank page often hides a PHP fatal error.Applies to: Web Hosting troubleshootingTroubleshooting...
Troubleshoot SSL for a reseller customer domain
Certificate issuance must validate the customer hostname against the correct SiteWorx account...
View website and error logs
Logs help identify application errors, missing files and abusive traffic.Applies to: CloudLinux...
Fix WordPress stuck in maintenance mode
Remove a stale maintenance marker only after confirming that no update process is still writing...
Investigate a 360 Monitoring false or short-lived alert
A monitor can fail because of DNS, TLS, one network path, response content or a real short...
Resource limit errors and slow sites
CPU, memory, process or entry-process limits protect shared hosting stability.Applies to:...
Troubleshoot an unreachable VPS service
Connectivity depends on DNS, routing, provider controls, the VPS firewall and the listening...
Troubleshoot large file uploads
Large uploads can be limited by the transfer method, available storage, PHP settings, application...
Website not loading after a DNS change
DNS changes may take time to reach recursive resolvers and devices.Applies to: Web Hosting...
Browser reports an SSL or certificate error
Certificate errors can be caused by DNS, expiry, incomplete validation or mixed content.Applies...
Fix website file ownership and permission problems
Correct ownership and permissions rather than making files world-writable.Applies to: SiteWorx...
Troubleshoot Microsoft 365 app activation
Activation problems commonly involve licence assignment, stale credentials, connectivity or...
Understand a CloudLinux CPU limit event
A CPU limit means the account tried to use processing time above its plan ceiling; requests may...
Fix mixed-content warnings
Mixed content occurs when an HTTPS page loads scripts, images or other resources over...
Hosting email is not sending or receiving
Email faults can be local to one device, one mailbox, DNS or the whole service.Applies to: Web...
Troubleshoot a WordPress contact form that does not send
Determine whether the problem is form validation, WordPress processing, SMTP authentication, DNS...
Configure and clear WordPress caching safely
Understand which cache layer is serving a page before clearing or changing every performance...
Read website access and error logs
Use timestamps, status codes and request paths to identify the failed layer before changing DNS,...
Resolve a full mailbox or quota warning
Mailbox use counts toward both its individual quota and the hosting plan’s shared storage...
Understand CloudLinux entry-process and process limits
Entry-process pressure usually means too many concurrent dynamic requests, while the process...
Create custom 404 and other error pages
Provide useful branded error pages without hiding server errors or returning a successful 200...
Troubleshoot delayed WordPress scheduled actions and queues
Investigate overdue WooCommerce, email, backup or automation actions without deleting the queue...
Troubleshoot hosting email sending and delivery
Work from the exact error, direction and timestamp to distinguish a mailbox setting from DNS,...
Change the PHP version for a WordPress site
Test WordPress compatibility before changing PHP and keep a quick rollback path for a live...
Resolve an email certificate or server-name warning
A certificate warning usually means the application is connecting to a hostname that is not...
Diagnose NXDOMAIN and SERVFAIL DNS errors
NXDOMAIN usually means the requested name does not exist; SERVFAIL means a resolver could not...
Check DNS with dig, nslookup and public resolvers
Use DNS tools to distinguish authoritative data from cached answers and to record evidence for...
Update a saved hosting mailbox password on a device
After changing a mailbox password in SiteWorx, update every saved incoming and outgoing...
Test IMAP and SMTP settings separately
Testing incoming and outgoing connections separately makes it easier to identify the incorrect...
Fix a WordPress redirect loop
Identify whether the loop comes from WordPress URLs, HTTPS detection, a plugin, proxy or...
Read an email bounce or non-delivery report
The diagnostic code in a bounce normally explains whether the problem is temporary, permanent,...
Diagnose a WordPress database connection error
Verify credentials, server availability and table health before editing or restoring the...
Investigate email rejection caused by IP or domain reputation
Reputation rejections require the exact remote response, a review of recent sending and...
