Deepak Singh

As a seasoned IT professional with extensive experience in server configuration, network administration, and cloud services, I bring a comprehensive skill set to the table. My expertise spans across various domains including web hosting, database management, and security solutions, ensuring that IT environments are optimized for performance, reliability, and security.

I am proficient in configuring and maintaining a variety of servers, particularly Apache servers for hosting multiple websites and applications. My skills include setting up virtual hosts, managing SSL/TLS encryption, and optimizing server performance through modules like mod_rewrite and mod_security. Additionally, I have a strong background in configuring FTP, SFTP, and ProFTPD for secure file transfers on cloud-hosted servers, ensuring seamless data exchanges with strict access controls and encryption standards.

My experience with cloud collaboration tools includes configuring Nextcloud and OnlyOffice servers, which serve as robust replacements for Google Drive. These tools enhance team productivity by enabling secure file sharing and real-time document editing. Furthermore, I am adept at setting up Samba Active Directory and Samba Share Servers for efficient file sharing and network resource management, integrating seamlessly with Windows networks.

I am skilled in generating PPK and PEM files using OpenSSH for secure server access via Putty and Linux OS. This expertise extends to managing CPanel and CyberPanel for efficient website hosting, offering user-friendly interfaces for tasks such as domain management, email setup, and database administration.

Monitoring server health is crucial, and I excel in this area by using tools like Nagios and Zabbix to oversee 55 cloud-hosted Ubuntu and CentOS servers. My proactive approach ensures optimal performance and timely issue resolution. I am also an expert in performing daily backups of database servers on object storage using s3cmd and MinIO client (mc), implementing strategies that guarantee data integrity and quick recovery in case of failures.

I have extensive experience managing MySQL databases and PostgreSQL replication servers, ensuring data consistency, high availability, and performance tuning. My skills in Logical Volume Management (LVM) enable flexible and efficient disk space management, adapting to changing storage needs with ease.

Optimizing applications for better performance is one of my key strengths. I identify and address bottlenecks to enhance overall efficiency, whether it's through optimizing database queries or application code. My proficiency in analyzing application logs, including Apache, MySQL, cron, and syslog, allows me to troubleshoot and resolve issues effectively.

Automation is vital for efficient operations, and I excel in scheduling tasks using cron to automate routine processes. I also manage AWS SES services for email campaigns, ensuring high deliverability and compliance with email standards. Additionally, I handle Cloudflare for DNS management, leveraging features like CDN and DDoS protection to enhance website performance and security.

In summary, my diverse and comprehensive experience in system and network administration, coupled with my dedication to optimizing and securing IT environments, makes me a valuable asset for any organization looking to enhance its IT infrastructure.