Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteiTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
Need a server to try this on? Antihost offers Linux VPS plans with NVMe storage, full root access and a 14-day free trial.
The safest VPS kernel update is a planned package update followed by a normal reboot, with an out-of-band console, a recoverable snapshot or backup, and the previous bootable kernel kept in the boot menu. A newly installed kernel is inactive until the VPS boots into it, so an update without a reboot does not complete the switch. Livepatch can cover selected urgent fixes, but it does not replace a planned reboot for a newer kernel.
What a kernel update changes on a VPS
The Linux kernel is the layer that manages CPU scheduling, memory, networking, storage, device drivers and security boundaries. Updating it can fix vulnerabilities, correct bugs, improve hardware or virtual-device support, and change behavior that applications depend on. On a VPS, the provider’s virtual hardware, bootloader and rescue tooling add another dependency layer: a package can install successfully while the machine still runs the old kernel.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Check the active version before making any change:
uname -rRecord that value, the distribution release, the hostname, the provider’s instance identifier and the services that must be available after maintenance. Keep the record with the change ticket so you can prove which kernel was active before and after the reboot.
Why a reboot is normally required
Installing a kernel places a new image and its modules on disk. The bootloader selects a kernel during startup; it does not replace the running kernel in place. The new version therefore becomes active only after the VPS boots again. Firmware, CPU microcode, low-level libraries and other dependency updates can also independently require a restart.
#1 Best Overall
- Powerful Turbo Fan:CAGIWIRU Electric Air Duster have reached speed up to 130000RPM,Can efficient remove dust and debris.With LED light and Three Adjustable Speed to meet with different cleaning tasks.
- With Attached USB C Fasting Charging cable.Charing 3 hours,Enjoy up to 240 minutes of use on the lowest setting, For third speed can use for 25mins.with four charging options to meet with your needs.
- Wide Application:Upgraded attached 5 different nozzles,making it suitable for a variety of scenes, such as car,pet, pc, keyboards, and other electronic devices. It also serves for office and home clean duster.
- Handy Design & Portable:Cordless air duster electric nozzle is Light weight and small size, design and comfortable to hold and space saving, convenient to carry around. You can put it in your room or inside the car without taking up space.
- Warranty & Support: Our Electric air duster comes with 5 years warranty and 24/7 customer service. During this period, if you have any questions,pls kindly feel free to contact us.
A normal reboot is the default because it lets service managers stop workloads, unmount filesystems, flush data and hand control to the bootloader in the expected order. A forced reset can interrupt those steps and turn a routine update into filesystem or application recovery.
Prepare recovery before touching packages
Confirm the distribution and release
Identify whether the guest is Ubuntu, Debian, RHEL or another distribution supported by your provider. Check the release and architecture using the distribution’s standard release information tools. Do not assume that a generic VPS image can use packages from another distribution or release. Kernel packages are built with a particular userspace, bootloader layout and module set in mind.
Free tools Windows power users keep installed
One-click scans. No signup required.
Verify an out-of-band path
Test the provider’s web console, serial console, rescue mode or equivalent before scheduling maintenance. SSH is an in-band path: if the new kernel breaks networking, firewall rules or the SSH daemon, you cannot use SSH to repair it. Confirm that you know how to open the console, send keystrokes to the bootloader and attach the rescue environment.
Make a restorable backup
Create or verify a provider snapshot or backup that covers the system disk and the data required to boot and run the service. Check its completion status and retention period; an unverified or expired snapshot is not a recovery plan. If the provider offers several snapshot types, confirm whether the snapshot is crash-consistent or application-consistent and stop or drain stateful workloads when your service requires a clean application state.
Check space and boot files
Kernel images, initrds and modules consume space, especially in /boot. Check the filesystem before updating:
df -h /boot
df -h /Leave room for the new package and its initramfs while retaining the current bootable version. If /boot is nearly full, stop and remove only obsolete kernels through the distribution’s package tools after confirming which entries are still bootable. Do not delete files manually during the update.
The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Rank #2
- Screen Cleaner is Your Screen’s New Bestfriend! - EVEO is proud to present a screen cleaner that’s perfectly suited for your TV. Meet your new screen cleaner, computer screen cleaner, laptop cleaner, iPad cleaner, Macbook,tv cleaner or any other electronic device. Our screen cleaner spray and wipe along with the included plush microfiber cloth, easily removes dust, fingerprints & other smudges on the screen’s surface. Clean effectively for a streak-free screen
- Gentle on your Screens - Our screen cleaner spray and wipes is compatible to be used even for the most sensitive LCD, LED, CRT, and OLED screens in proper use. Be at ease knowing that this product is compatible with all the major brands: LG, SONY, Samsung, Sharp, iPad, iPhone, Android screens, Kindle, PC monitors - we’ve got you covered! Can be used as LCD screen cleaner, tv cleaner, smart tv screen cleaner, and more
- Premium Super Soft Plush Microfiber Cloth - Included in this efficient screen cleaning kit. This screen cleaner spray and wipe has our signature plush microfiber cloth specially designed to comply with screens and monitors and leave them streak-free. Has been shown to effectively absorbs stubborn stains, zero streaks, and no fiber shedding. Always use this together with our screen cleaner for the best results
- Easy-to-Use Screen Cleaner Kit + microfiber cleaning cloth - The EVEO Screen Cleaning Kit will easily be your new favorite tool when it comes to taking care of the things you love most, quick and easy solution for a streak-free screen. Simply screw on the sprayer gun on the screen cleaner bottle. Spray the cleaning liquid onto the microfiber cloth, then wipe the screen until desired cleanliness & shine is achieved.
- Quality Screen Care Kit Worth Purchasing - Enjoy a convenient Screen Cleaner anytime, anywhere you need it. Your satisfaction is our top priority. We stand behind the quality of our products and that’s why, you shouldn’t be worrying at all. We manufacture the Best Screen Cleaner. and can be used for laptop cleaning kit, laptop screen cleaner, tv screen cleaner for smart tv. MacBook screen cleaner, monitor cleaner or screen cleaner spray for electronic devices with microfiber cleaning cloth
Inventory modules and services
List services that must pass health checks after startup: web servers, databases, queues, monitoring agents, VPNs, storage mounts and scheduled workers. Identify DKMS or other out-of-tree modules, such as vendor storage, encryption, network or filesystem drivers. A kernel update can require those modules to be rebuilt; a module that has no compatible build can leave a device or service unavailable.
Choose a supported update path
Use the distribution and provider repositories that match the VPS image. Avoid random mainline builds, unofficial repositories and copied kernel packages. They may omit provider-specific configuration, secure-boot metadata, signing keys or module dependencies. Keep the prior bootable kernel in the bootloader until post-reboot validation is complete.
| Platform | Supported approach | Operational notes |
|---|---|---|
| Ubuntu or Debian family | Use APT packages from the configured distribution or provider repositories. | Review the transaction, ensure the bootloader receives the new entry, and retain the previous entry. |
| RHEL family | Use the supported dnf or yum workflow and Red Hat’s documented kernel tooling. |
Check subscription and repository status, module compatibility and the bootloader entry before rebooting. |
| Provider-customized image | Follow the provider’s image and kernel instructions when they differ from the guest distribution defaults. | Provider notices may specify a required bootloader, virtual driver or rescue procedure. |
Review the change before applying it
First inspect available updates and the proposed transaction. On APT systems, list upgrades and use a simulation when you need to see package additions, removals and configuration changes without changing the machine:
sudo apt update
apt list --upgradable
sudo apt -s full-upgradeOn RHEL systems, use the equivalent repository refresh and a non-applying transaction review supported by your release, for example:
Recommended Free Tools
sudo dnf check-update
sudo dnf update --assumenoSome releases return a non-zero status from dnf check-update when updates are available; that status is not by itself a failed update. Read the transaction rather than blindly chaining commands.
Confirm that the transaction does not remove the running kernel, the previous known-good kernel, required provider agents or storage and network modules. Check DKMS output or build status where applicable. If a module fails to build, postpone the reboot until you have a supported replacement or a tested recovery plan.
Rank #3
- 【Large size】：Measuring 800 x 300 mm/ 31. 5×12 inches, which is wider and taller than others. Large mouse pad can perfectly fit your keyboard and mouse of any size, and there is also ample space for peripherals such as phones, tablets, etc.
- 【LED backlight mouse pad】：Blade Hawks RGB mouse pad provides 7 static modes and 7 dynamic modes will give you the options you are looking for. Power-off memory function remembers the last lighting mode you selected. The super glow fiber Chroma will give you a colorful gaming setup that you want.
- 【Anti-slip rubber base】：Made from Natural rubber, this gaming mousepad will firmly grip your desktop, allowing you to enjoy the ultimate precision in the games you are most passionate about. It also comes with a texture that enhances this ability even further.
- 【Smooth and waterproof surface】: Micro-textured cloth surface, for extremely precise mouse control and a smooth movement. When liquid splashes on the gaming mouse pad, it forms water droplets and slides down. Will not delay your work or gameplay.
- 【Plug and play】: This mouse and keyboard pad is powered by USB, plug and play, no driver required. One button control light modes. Press one time to change the lighting mode, press twice to change the brightness, press and hold about 3 seconds turn ON/OFF.
Run the update in a controlled maintenance window
Choose a window long enough for package installation, reboot, console troubleshooting and rollback. The actual interruption depends on the provider, boot path and workload; do not promise a fixed number of seconds. Announce the window to users and operators, and put monitoring into maintenance mode only if you can still receive alerts about a failed boot or unreachable host.
- Drain or stop stateful work. Finish database writes, pause queue consumers, remove the node from load balancers and stop jobs that cannot tolerate an interruption. Stateless services can usually be restarted by the service manager, but verify that assumption for your application.
- Capture the pre-change state. Save
uname -r, package history, mounted filesystems, routes, firewall configuration and the status of critical services. Note the snapshot identifier and console location. - Apply the repository update. On Ubuntu or Debian, run the reviewed APT transaction, commonly
sudo apt full-upgrade. On RHEL, run the reviewedsudo dnf updateor the release’s supportedyumequivalent. Read prompts about configuration files and bootloader installation. - Confirm package completion. Wait for initramfs generation and bootloader configuration to finish. Treat errors, interrupted package states or failed DKMS builds as a stop condition; repair the package state before rebooting.
- Schedule the reboot. Warn users again, verify that console access is open, and use the normal reboot path, such as
sudo systemctl rebootorsudo reboot.
Do not use a provider power-cycle or hard reset as the first reboot method. If the normal path hangs, use the console to determine whether a service is blocking shutdown before escalating to a forced action.
Validate the VPS after it starts
Keep the console session available until SSH and application checks pass. Validate in layers rather than assuming that a reachable login proves the update succeeded.
- Kernel selection: run
uname -rand compare it with the intended package version. If it still shows the old version, inspect the bootloader entry and package status instead of repeatedly rebooting. - Failed units: run
systemctl --failed. Investigate every failed unit; a failure in a provider agent, mount, firewall or monitoring service can be more serious than a harmless optional unit. - Boot errors: inspect the current boot’s high-severity messages:
journalctl -b -p err..alert- Networking and SSH: verify interfaces, addresses, routes, name resolution, firewall rules and SSH access from an independent network. Check both inbound and outbound connectivity.
- Storage: confirm that expected filesystems are mounted, permissions are correct and application data is readable. Check for filesystem errors or missing virtual disks.
- Time and scheduled work: verify the system clock, time synchronization and timers. A clock or timer failure can break certificates, jobs and distributed systems even when login works.
- Applications: run the service’s real health checks, not only a process listing. Test database connections, background workers, TLS endpoints, queue flow and representative user requests.
- Operations: confirm monitoring, log shipping, backups and alert delivery. Remove maintenance mode only after these checks are green.
Record the active kernel, validation results, warnings and any changed configuration. This creates a useful baseline for the next update and preserves evidence if a delayed failure appears.
Rollback when the new kernel is unhealthy
If the VPS boots but services fail
Use the console to select the previous kernel from the bootloader’s advanced or previous-version menu. Booting the known-good entry separates a kernel regression from an application or package problem. Once the service is stable, keep the new packages installed while you collect logs and identify the incompatible module, driver or configuration. Do not erase the new kernel until the provider or distribution support path tells you which package state is safe.
If the VPS does not boot
Open the provider console and capture the boot error, kernel panic, initramfs message or filesystem warning. Select the previous bootable kernel if it is offered. If no entry works, boot the provider’s rescue environment, attach the system disk, preserve logs and package metadata, and repair the filesystem or bootloader according to the provider’s documented procedure.
Rank #4
- 【Softer and More Comfortable】Vaydeer wrist rest has unique diamond pattern, which is the combination of softness and aesthetics. The materials of wrist rest are improved into higher quality memory foam and covered with silky smooth lycra. The computer wrist rest makes you as comfortable and cushiony as like rest your wrists on clouds.
- 【Ergonomic Wrist Saver】The wrist rests for keyboard and mouse comes with a 17.32×3.15×0.83 inch keyboard wrist pad and a 5.94×3.15×0.83 inch mouse wrist support. Based on ergonomic design, the unique concave shape is the perfect fit for your wrist joints. The wrist rest pad fits most computer keyboards and laptops, improve hand and wrist posture, release your wrist and arm stress.
- 【Non-Slip Rubber Bottom】Featuring an anti-skid silicone base on the bottom, this wrist keyboard support stays firmly in place on your desk, preventing the padding from sliding around, ensuring stable and consistent wrist support during extended computer sessions.
- 【Better Experience & Pain Relief】Our keyboard arm rest is beneficial to alleviate the soreness caused by direct contact and friction between your arm and a hard desk surface, reducing the risk of wrist fatigue or carpal tunnel. The soft texture of memory foam can evenly distribute the pressure around your wrists and provide good support with just enough give.
- 【Helpful in Multiple Scenarios】Whether you're working, studying, writing, typing, gaming, this keyboard and mouse rest combo is an essential accessory to add comfort and support to your hands and wrists. It’s also a great gift for men, women, family, friend, coworker, gamer, teacher, etc.
If the filesystem or package state is damaged
Stop making changes that overwrite evidence. Restore the pre-change snapshot when rapid service recovery is more important than in-place diagnosis, then retain the failed instance or its logs for investigation if the provider permits. After restoration, verify the restored kernel and application state before returning traffic.
Can you update without downtime?
A conventional kernel upgrade cannot activate a newer kernel without a transition away from the running one. You can reduce service interruption with redundancy, live patching or specialized kernel handoff, but each option has narrower support and a larger validation burden than a normal reboot.
| Method | Does it install and activate a newer kernel? | Interruption | Support and risk profile | Rollback considerations |
|---|---|---|---|---|
| Normal package update and reboot | Yes, after the reboot. | Requires a maintenance interruption; duration varies by provider and workload. | Broadest supported path when using distribution/provider packages; normal shutdown and firmware initialization occur. | Boot the previous kernel through the console or restore the snapshot. |
| Ubuntu Livepatch | Applies selected kernel fixes to the running kernel; it does not turn it into a newer kernel release. | Can avoid a reboot for supported high- and critical-severity fixes. | Limited to supported Ubuntu releases, architectures, kernel versions and flavours; personally rebuilt and unsupported kernels are outside coverage. | Requires the normal package and reboot plan for a newer kernel; keep the prior boot entry. |
kexec or a live-update framework |
Loads a kernel and initramfs directly and transfers execution without a full firmware initialization. | Can be shorter than a conventional reboot, but is not interruption-free. | Advanced, provider- and workload-dependent; forced paths can bypass normal shutdown handling and may leave devices or resources in an unexpected state. | Console access and a tested fallback remain essential; a failed handoff may require a hard reset or rescue boot. |
Using Livepatch responsibly
Livepatch is useful when an urgent, supported security fix is available and a reboot must be scheduled later. It matches patches to the exact running kernel version and supports only the release, architecture, flavour and kernel combinations in its support matrix. It does not automatically install ordinary APT security updates, and it cannot cover every kernel change.
Use it as a risk-reduction layer, not as permission to skip maintenance. Continue applying normal package updates, monitor patch status, and schedule a reboot for a newer kernel or any update outside the live-patch coverage. A personally rebuilt kernel, an unsupported development variant or an incompatible flavour can leave the VPS unpatched by the service.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Understanding kexec and live-update approaches
kexec loads a new kernel and initramfs from the running system and executes it directly, avoiding normal firmware initialization. That can shorten a transition, but it also changes the shutdown and hardware-initialization assumptions on which ordinary reboot procedures rely. A forced execution path may skip normal service shutdown, so stateful workloads and devices need explicit testing.
The Linux kernel’s Live Update Orchestrator is a specialized, kexec-based process intended to preserve selected resources and keep designated devices operational during a kernel transition. Treat it as an engineered platform capability, not a universal VPS command. Confirm provider support, workload compatibility, console recovery and monitoring before using it in production.
Best Value
- 【No Drill Mounted】Cable management tray can be assembled in as little as 3 minutes or less-simply. Side clips easily clampe the edge of desk, pass through the holes on the sides, and secure excess cables with baskets. Desk cable management supports inward or outward installation to meet your needs in different scenarios, and provides you with great convenience when collecting and organizing wires.
- 【Rubber Pad Protects Desk】Wire organizer under desk built-in soft rubber pads on the clamp protect your desk from scratches, so you will not damage your furniture or office.
- 【Sturdy and Beautiful】Cord management under desk is made of high-quality carbon steel and holds about 15 lbs. The wire basket has 2 holes on each side of the tray to enable your cables to pass freely. Cable baskets are suitable for desk thickness use from 0.4" to 2.4".
- 【Space Saving & Keep Organized】Desk cable management tray holds all your power cords, outlet strips, USB hubs and computer transformers hidden from your feet, and the data cables will not enter the vacuum cleaner to keep your desk clean and tidy. Desk wire organizer is also suitable for use in the kitchen and outdoors.
- 【Reduce Safety Risks】Cable tray under desk keeps all plugs away from your kids, no more worry about tripping. Using 2 holes wire tray saves extra space, helps you easily cabling and wire protection. The mesh design is not easy to accumulate dust, but avoids safety accidents caused by messy wires.
Ubuntu and RHEL operational differences
Ubuntu and Debian-family systems
Stay with released APT kernel packages from the configured updates repositories. Review the transaction, allow initramfs and bootloader hooks to complete, and verify that the bootloader offers the prior kernel. Livepatch coverage depends on the exact Ubuntu release, architecture, kernel version and flavour, so check eligibility for the individual VPS rather than assuming every Ubuntu image qualifies.
Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteWindows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallRHEL systems
Follow the release-supported yum or dnf workflow and Red Hat’s kernel and live-patching boundaries. Subscription, repository and module state can affect which kernel is offered. Live patching is intended for supported security and bug-fix updates that do not require an immediate reboot; it does not make every kernel or userspace update reboot-free.
Common failure branches
The update says there is not enough space
Do not force installation by deleting arbitrary files. Inspect /boot, package caches and old kernel entries, then remove only obsolete packages through the distribution’s package manager. Re-run the transaction review and confirm that both the running and previous bootable kernels remain available.
SSH disappears after reboot
Use the provider console first. Check the active kernel, interface configuration, routes, firewall rules, SSH service status and failed units. If networking or a module is broken only under the new kernel, select the previous boot entry and investigate from the stable system.
A DKMS or vendor module fails
Read the build log and identify whether the module supports the target kernel and architecture. Obtain a supported module package or provider instruction before relying on the new kernel. A module that is essential for storage, networking or encryption is a reason to postpone the reboot, not to continue and hope for recovery.
The VPS boots but applications behave differently
Compare logs and health checks with the pre-change baseline. Kernel changes can expose timing, filesystem, networking or driver assumptions without producing an obvious boot error. Roll back to the previous kernel if service impact is material, then reproduce the issue in a non-production instance or maintenance window.
Quick Recap
A repeatable change checklist
- Distribution, release, architecture and provider image identified.
- Current kernel recorded with
uname -r. - Provider snapshot or backup completed and restorable.
- Console, serial or rescue access tested.
/bootand root filesystem have sufficient free space.- Critical services, mounts, routes, firewalls and out-of-tree modules inventoried.
- Repository transaction reviewed; no known-good kernel scheduled for removal.
- Users warned, stateful workloads drained and monitoring arranged.
- Normal reboot performed in the maintenance window.
- Kernel, failed units, logs, networking, storage, clock, applications, monitoring and backups validated.
- Rollback path and evidence retained until the change is closed.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
