MANU GEORGE ELAVATHIL

• Years of working experience in Linux/Unix servers, installing and configuring web server, mail server, troubleshooting, monitoring, server security, server maintenance, backups and ticket support
• Completed RHCE certification, Redhat Openstack Certification (platform 10)
• Skilled in installation, configuration and administration of different Linux platforms (Red hat/ Fedora/ Centos/ Debian)
• Experienced with a broad range of software, utilities and protocols including the following
• Experience with Linux internals and virtual machines (OpenVZ, Vmware, Xen, KVM)
• AWS - VM creations, migration, security group creations
• Managing Docker Containers
• Package management using YUM & RPM
• Firmware Upgrades, kernel patches and performance tuning on Unix/Linux systems
• Troubleshooting problems related to server configurations and RAID setup
• Periodic server security checks and add new security rules to avoid latest breaches
• File system management and tuning on Linux servers using Logical Volume Manager (LVM)
  Monitoring and troubleshooting the network using Network monitoring software's like Wireshark and PRTG network monitor tool, Netflow Analyser
• Backup : tar, dump, configuring remote backups, R1soft, jetbackup, AWS - S3 cloud object storage
• Bash : basic commands, basic scripting, and one-liners for routine tasks
  Web Servers : Apache: Experience in configuring and installing Apache, SSL management, performance tweaking,
  Nginx: installation and configuration, Litespeed: installation and configuration
• Networking : Telnet, FTP, HTTP, NFS, DNS, ifconfig, route, netstat
• Installed and configured monitoring tools like Nagios, Cacti
• Mail Servers : Exim, Qmail, PostFix
• Firewall and Server Security : Configuring and Administering SSH, SSL, Iptables, csf, apf
• Database Servers : MySQL, PostgreSQL, MariaDB
• Migration of accounts between servers : Manual migration, cPanel, and Plesk Migration, WHM Transfer Tool, VM instances between OpenStack servers
• Server level issue troubleshooting in CMS : WordPress, Joomla, Magento, Drupal, etc
• Monitoring systems: Nagios, Zabbix - Configuration and monitoring servers via these systems
• RAID : Working level knowledge on MegaRAID, Adaptec, and 3ware controllers
• Managing and monitoring VPSs, Dedicated servers and Virtualization servers (running Parallels Virtualization
  technology) of US based hosting client
• Installation, Configuration, Administration and Performance tuning of Redhat, CentOS, Ubuntu servers and day-to-day system admin tasks
• Handling ticketing system for troubleshooting server level issues and performing 3rd party installations
• Periodic verification of RAID status and backups stored in R1soft, AWS - S3 object storage
• Installation of different control panels like cPanel, Plesk and applications like LiteSpeed, Nginx, Apache Tomcat,
  Rkhunter, chkrootkit, Maldet, FFMPEG
• Monitoring of server activity and troubleshooting system and network problems using Wireshark, PRTG tools and
  diagnosing and solving hardware or software faults
• Install new /rebuild existing servers and configure hardware, peripherals, services, storage, etc
• In accordance with standards and project/operational requirements
• Conducted Linux System security and auditing and did Performance Monitoring and Tuning
• Review server logs for audit and maintain maximum security standards for servers
• Applying operating system updates, and configuration changes for server hardening
• Installed and maintained various network services and related computing peripherals.

• Poornam Infovision which provide technical support services and Remote Server Administration to Web hosting companies, ISP's, Web development companies and Enterprises around the Globe

• Involved in remote system administration of Linux/Unix and Windows servers for US based clients

• Reporting and tracking customer effecting issues through customer help-desk using Ticketing Systems

• Server Setup : Installing and configuring of non-control panel servers as well as cPanel/WHM, Plesk servers

• Web Server : Apache web server configuration and setup

• Compiling web-server with PHP using automated and manual methods

• Setup web server security including mod_security, user authentication

• Mail Server : Setup and configure postfix, sendmail and exim mail servers

• Setup Spam assassin, clamd antivirus scanner for mail server

• Prevent mail abuse using antivirus exim

• DNS server : Setup and configured DNS server

• Administer DNS server and setup DNS clustering in cPanel/WHM and Plesk servers

• Solving Issues in Customer VPS, Shared-Hosting and Dedicated servers

• Maintain minimum security standards for Servers

• Periodic verification of security settings

• Applying operating system updates, and configuration changes

• Server performance tuning

• Supervision of weekly and monthly task assigned to junior team members and training them.