Nadeesha R.

✅ Self-motivated Linux Server Administrator and Network Administrator with more than 10+ years of working experience with different Cloud providers. Ready to take up any challenge. ✅ Expert on, 💎 AWS, Google Cloud, Azure, DigitalOcean or onPrem server management. 💎 Setting up and manage different environment Web Server, Database Server, Mail Server, Load Balancer, Optimization and Security. 💎 Designing Web Server - Building web server based on Apache, Nginx, Nginx/php-fpm, Varnish as backend with high performance tuning and major security issues. 💎 Learning Management Systems – Moodle (Expert) including mobile app (Android & Apple IoS) customization 💎 Document Management Systems – Nextcloud (Expert) and onlyoffice 💎 Security - Malware removal, server hardening using firewall rules, restriction in server login, Web security, Security auditing, fail2ban, mod_security for web attack, mod_evasive DDOS attack prevention, Firewall setup CSF, UFW and iptables. Prevention from mail attack, SSL Certificate installation. 💎 Database Server - Building MySQL, Mariadb database server with high performance , troubleshoot database server problems, tweaking MySQL variables for performance. 💎 Scripting - Bash Scripting for monitoring servers, auto backup. 💎 Mail server- Building mail server for sending and receiving mails postfix, sendmail, setup mail client Roundcube, SquirrelMail, Rainloop, Horde. Dovecot for POP & IMAP, troubleshoot mail issues, configure mail for delivery in inbox. 💎 Monitoring services and servers – LibreNMS, Nagios monitoring tools, tweaking as per requirement, monitor servers using bash script, Tripwire. 💎 Amazon - AWS EC2 server setup, Security. 💎 Cloud Servers & Panel - Management of Ubuntu, Centos, Cpanel, CWP, WHM, Plesk, Webmin, Diretadmin, ISPConfig, JustHost, Godaddy, Linode, Rackspace, Amazon. 💎 Migration - Server migration, website migration, database server migration, mail server migration. 💎 VOIP Solutions - Asterix based PBX (Eg: VitalPBX) 💎 Video conferencing - Zoom (including on premise setup), Jitsi, BigBlueButton 💎 Virtualization Technology - VMware VSphere Esxi, KVM, Xen Server 💎 Networking (CCNP R&S and SP certified) - Hands on experience with CISCO, HP, Extreme, Juniper devices including wireless. 💎 Firewall configurations - Hands on experience with Palo Alto, Check point and Cisco ASA firepower. ✅ Please do not hesitate to contact me to discuss your project in detail and determine how my skills will positively contribute to your team.