Linux System Administrator
AsiaTech
Total years of experience :12 years, 5 Months
1-Applied OS patches and upgrade s on a regular basis, and upgrade administrative tool's and utilities.
2-Installation, configuration and administration on Red-hat Cluster Server, Service Guard.
3-Provided User management and support, User permission s and SElinux.
4-Installed and Configured LAMP Server (Linux Red hat, Cent-OS, Apache, Jboss, MySQL Oracle, PHP Perl).
5- Configured volume group s and logical volume s, ex-tended logical volume s for file system growth need using Logical Volume Manager (LVM) command s.
6-Configured NFS, SMB, DNS, Auto Mount & Disk Space Management on Linux Serve's.
7-Installation and configuration of Apache web server and Samba Server.
8-Handling day to day administration Jobs in Debian Linux and Red hat Linux.
9-Installed software and patches(yum, yast)-- Disk installation and maintenance - modify vfstab file for automatic mounting while booting, format disk and restoration of UNIX files and file systems Implemented file sharing on the network by configuring NFS on the system to share essential resources
1-Involved in installing OS, software, monitor performance, applying patches and troubleshooting alerts.
2-Investigate on network or system outage on multiple sites and provide valuable information in the ticketing system with the resolution..
3-Supported in virtualization VMware ESX and ESXi hypervisors, and v Sphere and v Center Server.
4-Performed Cold, Suspended and Storage vMotion migration between servers.
5-Performed troubleshooting with network tools like ping, netstat, traceroute, mtr, nslookup, etc.
6-Worked with hardware alerting /monitoring system and troubleshoot the faulty hardware in NOC and remotely utilizing the remote hand service.
1-Installs, configures, and maintains multi-user software to be accessed from file servers.
2-Diagnoses problems with network equipment and performs equipment repair or upgrades when appropriate.
3-Installs and maintains network file servers and network operating systems; ensures that backup copies of all file's are routinely made and securely stored at separate location; maintains system documentation.
4-Configure firewall's (PFsens, fortigate 1000D ) configure OpenVPN -Dnat-port forwarding, ect .
5-Performing backups, troubleshooting and problem resolution for servers associated with a VMware virtual infrastructure.
6-Diagnosis of VMware performance and perform VMware performance tuning.
7-Installed and configure maintenance of Windows 2003, 2008 2012 Servers with Active directory Infrastructure, DNS, DHCP.
8-Created RHEL and Windows Virtual Machines as per the business requirements.
9-Involved in design, implementation, and maintenance of current large-scale physical and virtual consolidated infrastructures as well as with the design, test and implementation of future technologies within virtual space.
10-Configured HA, DRS clusters and capacity planning for new clusters and configured FT for the important.
11-Cloning, deploying VM's to Template, Templates to VM's, VMotion, Storage VMotion etc. Configured the NTP server in ESX Server for the time synchronization between ESX and VM's.
12-Problem analysis and Troubleshooting of ESX Server with service console. Resolving issues on servers, VLANs, routers, and switches in the data center.
13- Deploying HA DRS Cluster, Managing resources. Migrating virtual machine configuration files and virtual disks from one Data store to another Data store. Migration of servers P2V and V2V by using VMware Converter and Plate Spin.
14-Configuring VLANs, VTP, Ether channels, etc.
15-Configuring intervlan routing on Layer-3 switches.
16-Securing switch access.
Artificial Intelligence
