With my solid 8 years of experience in system administration, I bring to the table an in-depth understanding of Linux OS, including Ubuntu, which is crucial for fixing the mysqli PHP extension error you're dealing with on WordPress. Moreover, my proficiency with Apache and Linux will be highly beneficial for managing your VPS effectively.
Not just that, my expertise extends far beyond Linux; I have hands-on experience in various programming languages that make me a versatile professional in software engineering. My skill set includes but is not limited to, Python, JavaScript, Java and C++. This comprehensive foundation will greatly aid in providing efficient and effective solutions to your errors.
Lastly, effective communication is a skill I highly value and ensure its presence throughout any project I undertake. Expect great clarity and consistent updates on the progress as we navigate through the fixing process together. With my skills, experience, and dedication to problem-solving, you can trust me to get your WordPress site up-and-running smoothly again.