VPS & Dedicated Servers

What you need Use the IP address, SSH port, username and authentication details provided for your...

Use the CloudExa VPS panel to replace a VPS operating system with an available template. Reinstal...

Your Linux login password, VPS panel password and billing account password are separate credentia...

Use this guide when your Linux VPS will not accept SSH connections or your application has stoppe...

The CloudExa dedicated panel gives authorised users console and power access to their assigned ph...

Use these checks after deploying a Linux VPS and before opening it to users. They suit a fresh De...

You need a domain you control, DNS access and a website already configured on your VPS. A DNS rec...

Start with one failing connection: which application, source machine, destination hostname or IP,...

A dedicated-server reinstall can overwrite the operating system and data disks. Use this checklis...

Measure the affected filesystem A full Linux filesystem can stop databases, package updates and a...

Identify the service and preserve its evidence A systemd restart policy can recover an applicatio...

Prepare a recovery route Use a separate SSH key for each administrator or device. The private key...

Check the operating system and recovery copy Automatic security updates reduce the time a known v...

Identify which component returned the error A gateway error can originate from Nginx, an applicat...

Confirm the Windows service and recovery console Remote Desktop lets you use the graphical deskto...

Wrong time can make application logs difficult to compare and can interfere with expiring tokens ...

A file backup of an application directory may omit the database that stores player accounts, orde...

A successful download gives you a file. A recovery rehearsal tells you whether that file contains...

When a service logs the same error for hours, its journal can consume space you need for applicat...

SFTP transfers files through SSH. It does not make a live application safe to overwrite. This pro...

A Linux permission error can concern the file, a parent directory, a service sandbox or a securit...

Slow saves or database requests can come from storage waits, CPU contention, application locks or...

Linux uses spare RAM for caches, so a small free-memory figure is not enough to diagnose exhausti...

APT and dpkg serialize package changes using locks. A lock message often means an automatic updat...

A wrong filesystem entry can turn a routine reboot into emergency mode. These checks are for an a...

A currently valid HTTPS certificate does not prove that renewal will work. DNS, challenge routing...

A container's listening port is not automatically the same as a publicly reachable host port. Doc...

Replacing a Docker container can be routine when its persistent data is understood. It can lose i...

Drive health reports help investigate hardware warnings, but a healthy status cannot guarantee fu...

A service can work over IPv4 while failing over IPv6. A published AAAA record may then cause inte...

Uploading directly over a live website can leave a mixture of old and new files. A separate relea...

A dedicated service account limits which files an application can modify. It also makes ownership...

An address-already-in-use error means another socket conflicts with the requested bind. It does n...

A command that succeeds in your SSH shell can fail under cron because the account, environment an...

A systemd timer separates a schedule from the service that performs the work. This makes status a...

A server can report “No space left on device” while its storage chart still shows free gigabytes....

Deleting a large log does not always make its disk space available immediately. If a running proc...

“Read-only file system” means a write was refused by the filesystem or mount. It is different fro...

An application can run out of memory while the VPS still has free RAM. A container, service or pa...

“Too many open files” can prevent a web server from accepting connections or an application from ...

A slow application with a modest average CPU graph is worth investigating at several layers. One ...

A website may open on your laptop while a webhook, game plugin or fresh Linux installation reject...

Cloudflare's branded error page tells you which stage failed between its network and your website...

Your VPS can resolve a database hostname, but an application container reports EAI_AGAIN, Unkno...

An upload that works for a small file but returns HTTP 413 for a larger one is usually hitting a ...

A plugin that cannot obtain a database connection may report a timeout even when MariaDB itself i...

A working SSH login does not prove that larger network packets can cross the same route. If small...