GKrellM VS CloudLinux

• Customizable
  GKrellM allows users to customize the appearance and functionality, offering various themes and configuration options to fit different preferences and needs.
• Lightweight
  The application is known for its low resource consumption, making it suitable for systems with limited resources.
• Real-time Monitoring
  GKrellM provides real-time monitoring of various system metrics such as CPU usage, memory usage, disk activity, network traffic, and more.
• Plugin Support
  The software supports various plugins, allowing users to extend its functionality according to their requirements.
• Cross-Platform
  GKrellM is available for multiple operating systems, including Linux, BSD, Solaris, and Windows, providing flexibility for users on different platforms.

Possible disadvantages

• Obsolete Design
  The user interface of GKrellM may appear outdated compared to modern applications, which might deter some users looking for a contemporary look.
• Steep Learning Curve
  New users may find it challenging to get used to the configuration and customization options without prior experience or guidance.
• Limited Support
  Since the software appears to be less actively maintained, users might face difficulties finding up-to-date support and documentation.
• Dependency Issues
  On certain operating systems, users might encounter dependency issues when installing GKrellM, potentially complicating the setup process.
• Limited Features Compared to Modern Tools
  Some modern system monitoring tools offer more advanced features and integrations, which may not be available in GKrellM.

• Enhanced Server Stability
  CloudLinux uses its lightweight virtualization technology (LVE) to isolate each tenant on a shared hosting server, preventing any single user from consuming excessive resources and crashing the server for everyone else. This ensures consistent uptime and performance.
• Improved Security with HardenedPHP and KernelCare
  CloudLinux offers HardenedPHP, which patches old and unsupported PHP versions against known vulnerabilities, and KernelCare, which provides live kernel patching without requiring server reboots. These features significantly enhance server security posture.
• Resource Limit Management
  Administrators can set granular resource limits (CPU, memory, I/O, number of processes, etc.) per user account using LVE Manager. This makes it easy to manage shared hosting environments and ensure fair resource distribution among tenants.
• CageFS File System Virtualization
  CageFS creates a virtualized file system for each user, preventing them from seeing other users on the server, viewing sensitive configuration files, or exploiting server vulnerabilities. This adds an important layer of isolation and security.
• Wide Compatibility with Hosting Panels
  CloudLinux integrates seamlessly with popular hosting control panels such as cPanel, Plesk, and DirectAdmin, making it straightforward for hosting providers to adopt without overhauling their existing infrastructure or workflows.

Possible disadvantages

• Additional Licensing Cost
  CloudLinux requires a paid monthly or annual license on top of the base server cost. For smaller hosting providers or individual server owners, this additional expense can add up and may not always be justifiable compared to free alternatives.
• Limited to CentOS/RHEL-Based Systems
  CloudLinux is built on top of RHEL/CentOS and does not support other Linux distributions like Ubuntu or Debian. This limits its adoption for hosting providers who prefer or already run non-RHEL-based environments.
• Learning Curve for Configuration
  While CloudLinux provides powerful resource management tools, properly configuring LVE limits, CageFS, PHP Selector, and other features requires a solid understanding of the platform. Misconfiguration can lead to users being unnecessarily restricted or resources being poorly allocated.
• Potential Performance Overhead
  The additional layers of virtualization, resource monitoring, and file system isolation introduced by CloudLinux can impose a slight performance overhead on the server compared to running a bare, unmodified Linux distribution without these controls.
• Dependency on CloudLinux Ecosystem
  Adopting CloudLinux means relying on their ecosystem for kernel updates, PHP patches, and security fixes. If the company experiences delays in releasing patches or changes its pricing/licensing model, hosting providers may find themselves locked into a dependency that is difficult to migrate away from.

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• Hard disk LEDs and noisy machines

  I always wanted more feedback, so that even in the mechanical disks and lots of fans era my desktop has always shown more data with GKrellM plus some of its plugins, namely multiping to show the status of my NAS and router, and... - Source: Hacker News / almost 3 years ago

• Cool but Obscure X11 Apps

  Possibly not old enough to be included in that list, but my oldest piece of desktop software I always run on my main machine is GKrellm with BubbleFishyMon as system load monitor. http://gkrellm.srcbox.net/. - Source: Hacker News / over 3 years ago

• Any alternatives to Gnome extensions to display CPU load and such?

  That doesn't always give correct readings depending on the chipset on your MB. There was a driver missing for like IT87 that returned voltage and temps to psensor. I finally gave up trying. gkrellm can monitor cpu, and many other... Source: about 4 years ago

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Tracking CloudLinux since Mar 2021.