sankar k
Linux Administrator at Dot Com Infoway Limited- Claim this Profile
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Experience
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Dot Com Infoway Limited
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India
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Truck Transportation
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Linux Administrator
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Apr 2012 - Present
Performing User Administration like creating users and groups, modifying and deleting users and groups, managing user administration in Linux using SFI Director. Performing Package Administration like installing packages, removing packages, checking installed packages, Managed RPM packages on Red hat enterprise Linux with Yum Server. Disk Management, Implementing Logical Volume Management (LVM) and logical partitioning. Backup & Restore using tar, dump, rsync. Performing automatic job scheduling using Cron. Configuration of remote applications XINETD (Rsync, Nrpe and Telnet) services. Implementation of patch and kernel up-gradation on RHEL. Maintained Remote servers using SSH, Putty, Implementation of security like Firewall (iptables, proxy), TCP Wrappers. Monitoring Disk Space Utilization, Memory Utilization and CPU Utilization and CPU load. Administering & Monitoring of Linux & AIX Servers. Administering, troubleshooting and managing core services like FTP, DNS, DHCP, NFS, NTP, and Postfix Servers. Monitored and supported Web Servers (Apache Server) on Linux environments. Implementing Sudo and Maintained Remote servers using SSH, Putty Console. Installed and configured the Mysql in the ERP Server. Administrating & monitoring Nagios Servers. Worked on Remedy Ticketing System and Sales force ticketing system. Maintaining escalation process & SLA depends on the severity levels. Health check and taking reports on daily basis.
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Linux Administrator
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Apr 2012 - Present
Over 3 years of extensive experience installing, maintaining and troubleshooting and fine tuning Linux based Servers. Good Experience in Installing Linux Based Servers over network (KICKSTART and PXE Boot). Performing User Administration like Administering users and groups securely. Managed RPM packages on Red hat enterprise Linux with Yum Server. Strong Experience to assign the Permissions and Advanced Permissions and ACL Permissions, and Maintaining Linux Quota System. Strong technical background in Disk Management, Logical Volume Management (LVM) and logical partitioning. Backup & Restore using tar, dump, rsync, and Configured different RAID Technologies like RAID 0, RAID 1 and RAID 5 on Linux. Experience of Kernel compilation, implementation of patch and kernel up-gradation on RHEL. Implementation of security like Firewall (iptables, proxy), TCP Wrappers. Analyzing Network traffic in the Ethernet networks using IPTraf, WireShark Tools. Monitoring Disk Space Utilization, Memory Utilization and CPU Utilization through Nagios. Installing, Configuring, administering, troubleshooting and managing core services like FTP, NFS, DHCP, NIS, SAMBA, DNS, NTP. Installed, monitored and supported Web and Application Servers (Apache Server, SSL) on Linux environments. Experience in installation and configuration of mail servers, highly proficient in working of various mail servers (Send mail, Postfix). Configuration, installing and administration of the My Sql. Provided production support in an on-call rotation in a 24x7 environment.
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linux administrator
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Jan 2010 - Mar 2012
Installing and Configuration and Administration different flavors of Linux (Centos, Ubuntu, Rhel). Installing and Configuration Mac OS (10.6.7) on MacMini Boxes. Installing Configuration XCode 4.2 and SDK5.0 on MacMini Machines. Up gradation Snow leaped to Lion and Mountain Lion on Mac Configuration eclipse and Android SDK, ADT Tools on Ubuntu 9, 10 Machines. Configuration LAMP environment and PhpMyAdmin on Centos 5. Installing and Maintaining Software Packages and Patches. Managed file permissions & ownership for important directories & files. Troubleshoot the boot issues. Backup and restore using Buffalo tera station. Automated scheduled jobs. Maintained Remote servers using SSH, Putty, VNC. Configuration Printer’s local and Network based Printers. Used IPTables to implement security and improve the network performance. Administering, troubleshooting and managing core services like FTP, NFS, DNS, DHCP, and AUTOFS. Installed, monitored and supported Web Servers (Apache Server) on Linux environments. Advanced SQUID Administration- Implemented polices for users. Manage Log Files- Syslog (Linux) management with Log rotate utility. Coordinating with vendor for hardware issue.
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Education
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apswr school