How to Perform Regular Updates on Emulator Servers
- How to Perform Regular Updates on Emulator Servers
This article details the procedures for performing regular updates on our emulator servers. Maintaining up-to-date systems is crucial for security, stability, and performance. These instructions are aimed at new server engineers and system administrators responsible for managing these critical components of our infrastructure.
Understanding the Update Process
Emulator servers require a multi-stage update process to minimize downtime and ensure a smooth transition. The process generally involves: checking for updates, backing up current configurations, applying updates, verifying functionality, and monitoring performance. We utilize a rolling update strategy where servers are updated in batches to maintain service availability. Before initiating any updates, always consult the Change Management Process and obtain the necessary approvals. Familiarize yourself with our Server Naming Conventions to identify the correct servers.
Pre-Update Checklist
Before commencing any update, the following checklist must be completed:
- Ensure adequate disk space is available on the target servers. Use the Disk Space Monitoring tools.
- Verify that a recent, successful backup exists. See Backup and Recovery Procedures.
- Review the Release Notes for the update being applied.
- Communicate the scheduled maintenance window to relevant stakeholders using the Communication Protocol.
- Confirm the availability of a rollback plan in case of issues. See Rollback Procedures.
Update Procedures by Operating System
The specific update procedures vary depending on the operating system running on the emulator server. Below are detailed instructions for our most common operating systems.
Linux (Ubuntu 22.04)
Ubuntu servers are updated using the `apt` package manager. The following steps should be followed:
| Step | Command | Description |
|---|---|---|
| 1 | `sudo apt update` | Refreshes the package lists. |
| 2 | `sudo apt upgrade` | Upgrades all installed packages to the latest versions. |
| 3 | `sudo apt dist-upgrade` | Performs a full distribution upgrade, handling dependencies intelligently. |
| 4 | `sudo reboot` | Reboots the server to apply kernel updates if necessary. |
After rebooting, verify the update by checking the kernel version with `uname -r` and confirming the package versions using `dpkg -l`. Refer to the Ubuntu Server Administration guide for more detailed information.
Windows Server 2019
Windows Server updates are managed through Windows Update.
| Step | Action | Description |
|---|---|---|
| 1 | Open Server Manager. | Access the server management console. |
| 2 | Click "Check for Updates". | Initiates the update scan. |
| 3 | Install Available Updates. | Select and install all recommended updates. |
| 4 | Reboot the Server. | Required for many updates to take effect. |
Ensure the server is configured to automatically download updates, but schedule the installation during maintenance windows. Consult the Windows Server Documentation for specifics.
CentOS 7
CentOS servers use the `yum` package manager.
| Step | Command | Description |
|---|---|---|
| 1 | `sudo yum check-update` | Checks for available updates. |
| 2 | `sudo yum update` | Installs all available updates. |
| 3 | `sudo reboot` | Reboots the server to apply kernel updates. |
Post-update, verify the update with `yum list installed` and `uname -r`. See the CentOS Server Configuration documentation for further details.
Post-Update Verification
After applying updates, thorough verification is essential.
- **Functional Testing:** Run a suite of tests to ensure all emulator functionalities are working as expected. See Emulator Test Suite.
- **Performance Monitoring:** Monitor server performance metrics (CPU usage, memory usage, disk I/O, network latency) to identify any regressions. Use the Performance Monitoring Dashboard.
- **Log Analysis:** Review system logs for any errors or warnings. Refer to the Log Analysis Guide.
- **Application Logs:** Check the logs of the emulator application itself for any issues. See Application Logging.
Rollback Procedures
In the event of a failed update, a rollback plan must be executed. This typically involves reverting to the pre-update backup.
- Stop the emulator service.
- Restore the server from the backup.
- Restart the emulator service.
- Investigate the cause of the update failure. Submit a report to the Incident Reporting System.
Server Specifications
Below is a table detailing the typical specifications of our emulator servers.
| Specification | Value |
|---|---|
| CPU | Intel Xeon E5-2680 v4 |
| Memory | 64 GB DDR4 ECC |
| Storage | 2 x 1 TB SSD (RAID 1) |
| Network | 10 Gbps Ethernet |
| Operating System | Ubuntu 22.04 / Windows Server 2019 / CentOS 7 |
Scheduled Maintenance
Regular updates should be scheduled as part of a recurring maintenance window. The frequency of updates depends on the severity of security vulnerabilities and the stability of the updates. We generally recommend monthly updates for security patches and quarterly updates for feature enhancements. Refer to the Maintenance Schedule for specific dates and times.
Server Administration
Security Updates
System Maintenance
Backup Strategies
Disaster Recovery
Network Configuration
Firewall Management
Intrusion Detection
Performance Tuning
Troubleshooting Guide
Monitoring Tools
Change Management Process
Incident Response Plan
Server Naming Conventions
Release Notes
Ubuntu Server Administration
Windows Server Documentation
CentOS Server Configuration
Emulator Test Suite
Performance Monitoring Dashboard
Log Analysis Guide
Application Logging
Incident Reporting System
Maintenance Schedule
Intel-Based Server Configurations
| Configuration | Specifications | Benchmark |
|---|---|---|
| Core i7-6700K/7700 Server | 64 GB DDR4, NVMe SSD 2 x 512 GB | CPU Benchmark: 8046 |
| Core i7-8700 Server | 64 GB DDR4, NVMe SSD 2x1 TB | CPU Benchmark: 13124 |
| Core i9-9900K Server | 128 GB DDR4, NVMe SSD 2 x 1 TB | CPU Benchmark: 49969 |
| Core i9-13900 Server (64GB) | 64 GB RAM, 2x2 TB NVMe SSD | |
| Core i9-13900 Server (128GB) | 128 GB RAM, 2x2 TB NVMe SSD | |
| Core i5-13500 Server (64GB) | 64 GB RAM, 2x500 GB NVMe SSD | |
| Core i5-13500 Server (128GB) | 128 GB RAM, 2x500 GB NVMe SSD | |
| Core i5-13500 Workstation | 64 GB DDR5 RAM, 2 NVMe SSD, NVIDIA RTX 4000 |
AMD-Based Server Configurations
| Configuration | Specifications | Benchmark |
|---|---|---|
| Ryzen 5 3600 Server | 64 GB RAM, 2x480 GB NVMe | CPU Benchmark: 17849 |
| Ryzen 7 7700 Server | 64 GB DDR5 RAM, 2x1 TB NVMe | CPU Benchmark: 35224 |
| Ryzen 9 5950X Server | 128 GB RAM, 2x4 TB NVMe | CPU Benchmark: 46045 |
| Ryzen 9 7950X Server | 128 GB DDR5 ECC, 2x2 TB NVMe | CPU Benchmark: 63561 |
| EPYC 7502P Server (128GB/1TB) | 128 GB RAM, 1 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (128GB/2TB) | 128 GB RAM, 2 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (128GB/4TB) | 128 GB RAM, 2x2 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (256GB/1TB) | 256 GB RAM, 1 TB NVMe | CPU Benchmark: 48021 |
| EPYC 7502P Server (256GB/4TB) | 256 GB RAM, 2x2 TB NVMe | CPU Benchmark: 48021 |
| EPYC 9454P Server | 256 GB RAM, 2x2 TB NVMe |
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⚠️ *Note: All benchmark scores are approximate and may vary based on configuration. Server availability subject to stock.* ⚠️