Umair S. Profile

0.0

(0 reviews)

You're now following

Error following user.

This user does not allow users to follow them.

You are already following this user.

Your membership plan only allows 0 follows. Upgrade here.

Successfully unfollowed

Error unfollowing user.

You have successfully recommended

Error recommending user.

Something went wrong. Please refresh the page and try again.

Email successfully verified.

karachi,

pakistan

It's currently 7:44 AM here

Joined July 12, 2016

0 Recommendations

Umair S.

@uhs1990

0.0

(0 reviews)

0.0

karachi,

pakistan

N/A

Jobs Completed

N/A

On Budget

N/A

On Time

N/A

Repeat Hire Rate

Linux Expert - LAMP - Nagios & Icinga - Phabricator - DRBD - Mysql Replication

Skilled Senior Linux/UNIX Administrator, experienced in Designing, Implementing, Troubleshooting, Tunning of Linux and UNIX operating system. TECHNICAL SKILLS • Operating Systems: Red Hat Linux, CentOS, Solaris, Fedora, SuSE Linux, Gentoo Linux, Ubuntu, Debian and Kali. • Databases: MySQL, Mongodb, Mariadb and MySQL Replication. • Network Services: SSH, DNS/BIND, NFS, Samba, rsync, DHCP, Telnet, FTP, DRBD, NAGIOS, Icinga and Zabbix. • Web: Apache 2.x/1.x, Nginx and Lighttpd • Others: Cronjobs, Scripting, Git, SVN, SQUID, Composer, Webmin, Phabricator, Sphinx, Memcached, Opengrok, Docker Container and WHM/cPanel.

See all System Administrators in Pakistan

Contact Umair S. about your job

Portfolio

Configured Nagios for monitoring network traffic and generate alert emails for critical service like (HTTP, HTTPS, Processes, PING, Uptime LOAD, Partition Space, HTTPS, Mysql Replication, Mysql Queries, DRBD Replication, SSH, DHCP, FTP).

Nagios Monitoring Configuration

Configured (Distributed Replicated Block Device) DRBD read and write file LAN replication and heartbeat failover. Distributed Replicated Block Device is actually a network based RAID 1. If you need to secure data on certain disk and are therefore mirroring your data to another disk via network, you have to configure DRBD on your system.

DRBD Replication and Hearbeat Failover

Installation and configuration of WHM/cPanel on VPS Server and attach additional drives on Server.

WHM/cPanel Installation

Configured MySQL replication, One node as master and 2 nodes as a slave for data replication and also test to promote slave as a master if master server is down.

MYSQL Master-Slave Replication

Nagios Monitoring Configuration

DRBD Replication and Hearbeat Failover

WHM/cPanel Installation

MYSQL Master-Slave Replication

Reviews

Changes saved

No reviews to see here!

Experience

Tradekey Pvt Ltd

Feb 2016 - Present

• Manage LAMP server. • LAMP Migration Testing on PHP 5.2 to 5.5, MYSQL 5.1 to 5.5 and CentOS 5.8 to 6.8. • Manage Opengrok • Scheduling Cron jobs. • Configured and Manage Phabricator Server. • Configured and Manage Nagios Server. • Manage Sphinx. • Configured and managed (Distributed Replicated Block Device) DRBD & Heartbeat. • Managed Squid Proxy Server. • MySQL Backups Restores, MySQLdumps & Xtrabackup. • Configured and Managed MySQL Master-Slave Replication.

Connect Communication

Jul 2015 - Feb 2016 (7 months, 1 day)

•Troubleshoot Cisco layer 2 & 3 devices having models 3550, 3560, 3750, sw4500. •Troubleshooting & configuring ports of routers and switches by telnet & ssh. •Monitoring if any broadcast occur and troubleshoot to resolve the issue. •Monitoring of VLANS and to ensure the proper connectivity •SNMP Monitoring of towers, BTS and there fiber connectivity and there power issues. •MRTG Monitoring of Upstream bandwidths from multiple vendors (i.e PTCL, Qubee, Worldcall & Multinet).