User:Omp

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Om Prakash Singh Flat No. 7A-502, Gurusharnam Complex, Visharli Naka, Panvel, Navi Mumbai – 410206 Phone +919923175853

E-mail oomprakash@gmail.com

Technical Skills • Linux – Various flavors of GNU Linux which includes Red Hat, Debian, Fedora, SuSe, Mandrake. • FreeBSD, Open BSD • Windows XP/2000/NT server, Windows 95/98. • Shell, HTML, PHP Scripting • Networking technologies.

Technical Expertise 1. Installing and Configuring Linux / Windows server and maintaining their updates. 2. Configuring DNS, LDAP, Squid, Mail Server, Web server (Apache), PDC, Samba. 3. Worked on Firewall and IDS/IPS to detect Intrusion. 4. Penetration test using tools like tcpdump, nessuss, ethereal, nmap, netstat and chkrootkit. 5. Log generation for proxy using squid and webalizer. 6. Mail log generation using lire and pflog. 7. Error rectification and Troubleshooting by analyzing syslog and boot logs. 8. Script creation for performance tuning and periodic maintenance. 9. Configuration of Exchange servers. 10. Customization of Microsoft Outlook to work as a calendar, address book, task manager and a mail delivery Agent.

Work Experience Executive September 2005 – August 2006 Aamby Valley City Linux Engineer.

Configuration of local Proxy server with failover for 1800 user using PAM authentication. Proxy servers uses ACL for User/IP level privileges and also time-share browsing. User Administration of the Exchange Mail Server which includes creation, deletion and space allocation to various email accounts. Web Traffic Analysis from the internal network. Implementation of file and print server. Trouble shooting connectivity and network related problems. Creating reports on the bandwidth use and monitoring the same. Performance testing of Linux machines for various upcoming implementation for better infrastructure and security. Creating project reports for better system integration and to increase the productivity. Troubleshooting Linux related problems.

Sr. Officer May 2004 – August 2005 Aamby Valley City Sr. Steward

Performing Banquets Task. Planning seating arrangement layout, co-coordinating with other departments, buffet layouts and to make bar arrangements for the same. Co-ordination with other departments as Kitchen, Housekeeping, Guest Relations, Maintenance, Purchase, Transport etc. to avoid the guest dissonance and streamline the operations. Part of the event such as Laureus World Academy Forum, Mrs. World 2005, PGA India Golf Tour,

Administrator September 2003 – March 2004 Air-Net Broadband Services Pvt. Ltd. A private owned organization which was an Broadband Internet Service Provider(no dial ups) to the corporate houses and company’s situated near the location (Radius - 2Kms). My job responsibilities were to work out the feasibility of data loss which will occur and to provide a stable and stagnant data transfer to the client. My responsibility also includes providing technical support, maintenance and monitoring of various servers for better performance and high usability which includes:

Operating System Successful implementation of a working Debian System. Choice is Debian because of its robust structure and the precompiled packages that comes with it. Easy to update and maintain. Simpler installation interface and language.

Name Server Configuration of name server with Bind9 for the ISP. Configuration of virtual domains. Setting up caching only name server. Handling Name server lookups.

Web Server Installation and configuration of web server(Apache). Integration with Interscan. Configuration of virtual hosts or sub-domains for clients. Updating and securing apache from intrusion. Checking log files and keeping the system up to-date. Usage scripts to control the HTTP request and also to avoid much memory usage by web server. Providing users with there own configuration panel using webmin.

Mail Server Installation and Configuration of Postfix as mail server because of its simpler configuration and higher security concerns. Integration with anti-virus. Checking the mail server by regular log inspection.

Firewall (Software Firewall) Configuring IP Masquerade. Firewall using IPTABLES. Configuring IP Accounting. Creating filters using IPTABLES.

24-Online Installation and Configuration of 24-online Used basically for bandwidth monitoring and bandwidth management.

Linux Support Engineer September 2002 – February 2003 Logix Consultancy Group Pvt. Ltd. System level designing and customization of mail and proxy server, which gets involved in the products offered. So my role was to analyze the functionality and the feasibility of the implementation which were placed at Internet Data center (IDC). Apart from this I handled escalated customer calls as in level 3 type of support. Overall monitoring of server and customizing proxy, LDAP, mail and web servers.

Proxy Servers - Implementation And Configuration of Squid Proxy servers, also knows as caching servers. Configured the proxy server with Authentication such as PAM auth, LDAP auth and NCSA auth. This includes configuration of squid with DNS and FTP. Configuration of Transparent Proxies with IP-Tables.

Anti Virus Firewall - Integration of Trend Inter-scan with the squid for http scanning for protecting viruses and Trojans. Access control for blocking websites, messengers, as well blocking attachments users wise. Port Routings for http traffic especially with products like trend inter-scan and Dance Guard and also their integration with squid.

Mail Server: Sendmail MTA - Installation and Configuration of Send mail. This includes configuring SMTP authentication, Domain Mapping with Virtusertable for virtual domains, creating aliases for users. Integration of Antivirus, like wrapper Amavis with Mail scanner supporting Mcafee and Trend Interscan. Integration of sendmail with other SMTP like exchange and Domino Lotus Notes. Integration of sendmail with global database like LDAP.

Qmail MTA and LDAP - Installation and Configuration of qmail systems with the Integration of Network Directory Services LDAP. This includes configuration of qmail smtp with Multiple instances, configuration of SMTP authentication, securing open relay, installing Virtual Domains with VPOP3. Configuration of LDAP, for global database with email address. Configuration of PHP ldap admin for managing the multiple domains. Installation of courier and cyrix servers of POP3 and IMAP services. Configuration of HORDE and squirrel mail as web mail on IMAP. Integration of Anti-virus Amavis with MacAfee and Trend Interscan.

Postfix. MTA - Installation and Configuration of Postfix system. Integration of content Filtering Products such as IMSS(Trend) Internet Messaging security suite with the postfix system. Cascading the IMSS on Postfix with qmail systems in hybrid environment. Integration on post fix systems with sendmail on the basis of mailertable and Transport file systems.

Name Servers - Implementation of DNS servers with BIND and DJB type or the tiny DNS. This includes the caching configuration, forward zoning and reverse zoning as well. Configuration of DNS servers of Global IPs and Live MX for mailing servers.

Web Server - Configuration of Apache server with proxy and Front end such as PHP admin for qmail, ldap and webmail. Configuration of apache servers with https for secured channels. Using apache server for proxy implementations.

Firewall - Configuration of Firewall with IP chains and IP tables. This includes protection of internal networks with blocking ports, port forwarding and routing with IP tables. NAT and IP forwarding for particular IP’s. Configuration of IP tables with transparent proxies. Controlling the accessibility for remote SSH logins. This also includes use of third party tools for integration of IP tables.

Chat servers - Implemented and configured live chat server with jabber. This too includes configuration of mu - conferencing. Integrating the chat servers with LDAP database. Includes configuration of IRC servers.

Project handled for some major clients:  Kale Consultants Ltd.  Advertising Avenues Ltd.  Camlin Pencils Ltd.  Hindustan Pencils Ltd.  Polyset Plastics Pvt. Ltd.  Ascent-Inc India.  Bombay Chambers of Commerce, India  Hindustan Dorr-Oliver, India Ltd.  Hindustan Composites, India Ltd. Education September 2005 - Pursuing ICFAI Hyderabad MCA (Master in Computer Application) Part time course from ICFAI University, Hyderbad.

June 2004 – Dec. 2005 Amby Valley City Pune, Maharashtra PGDBM/Marketing Two years on-job course offered by Symbiosis Institute, Pune. PGDBM in Marketing.

June 2004 – Dec. 2005 Dr. D.Y.Patil I.H.M.C.T Pune, Maharashtra Bachelor’s Degree Degree in Hotel Management and Catering Technology. Specialization in F & B Service. Conducted Food festival in college for two consecutive years.

Languages Known

Languages Proficiency Level English Fluent-Full Knowledge Hindi Fluent-Full Knowledge French Beginner – Read and Understand

Hobbies

Internet Surfing, Cooking, Reading. Personal Details Date of Birth : Jan 6th 1981 Gender: Male Nationality: Indian Marital Status: Single