Counter Strike Source Server Troubleshooting

My Counter Strike Source server has stopped working after the recent Steam update. I need a professional to troubleshoot this issue.

Key Details:
- The server is not starting
- The problem arose after the latest Steam update
- The server is running on Linux

Ideal Skills:
- Extensive experience with Counter Strike Source servers
- Proficient in troubleshooting server issues
- Familiar with recent Steam updates and their potential impacts
- Linux operating system expertise
- Good communication skills for progress updates