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Lasantha Indika Amarasinghe
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Lasantha Indika Amarasinghe

Linux System and Network Administrator and VOIP Engineer - 15 years ++

$25.00/hr

Colombo-10, Sri Lanka


Lasantha Indika Amarasinghe has added 29 portfolio piece. Create an account to review them.

I am an expert in Linux system and network administration, ... moreVoIP deployments, system integration for more than 15 years experience, My major expert areas are: >>TCP/IP networking & Security :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wappers, Fail2Ban >>Servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roud cube, BIND, Apache, Nginx, VSFTPD, DHCPD, Squid, Samba, Ziproxy(image compression proxy server), any open source or closed source software in the field >> Proxy and content Swapping : Squid forward and revers mode proxy, Nginx forward and reverse mode proxy with content Swapping(Add click, Tracking modules, Java or any script adding to the live web content) >> Control Panels :- CPanel installation and administration >>VoIP :- FreeSwtich, Asterisk based products (Bare Asterisk, Elastix, Trixbox, FreePBX or any related), secure RTP streams (SRTP) with Transport Layer Security (TLS) with or without Server Certificate, CRM integration and Dialers >>Monitoring and remote admin :- Log analyzing, Monitoring, Remote desktop, Remote Admin using tools such like Sarg, Nagios, FreeNX, SSh/Telnet >>Scripting :- Bash, PHP, Perl, Curl >>Web and Database :- SQL Server, MySQL, HTML, PHP, Java Scripts >>Inter-networking :- LAN/WAN using Cisco and DLink Routers, Managed and unmanned Switches, Structured cabling and Fiber cabling systems, >>Telecommunication :- Circuit Switching, SDH and PDH, Ip based networks, Transmission, Telecommunication network implementation and maintenance >>Virtualization:- WMWare Exsi 4/5, HyperV, VirturlBox, Zen >>Operating Systems :- Redhat or Dabian based servers such like CentOS, Ubuntu, Dabian etc,. ### My time zone : GMT +5.30 (Asia/Colombo) Pls consider this on hiring me ### Quality of work : Commit to provide 100% not a bit less than that. If I say it can be done .. definitely it is possible. If I say cant .. surely I cant do that. Welcome clients... less

Overview

I am an expert in Linux system and network administration, VoIP deployments, system integration for more than 15 years experience, My major expert areas are: >>TCP/IP networking & Security :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wappers, Fail2Ban >>Servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roud cube, BIND, Apache, Nginx, VSFTPD, DHCPD, Squid, Samba, Ziproxy(image compression proxy server), any open source or closed source software in the field >> Proxy and content Swapping : Squid forward and revers mode proxy, Nginx forward and reverse mode proxy with content Swapping(Add click, Tracking modules, Java or any script adding to ... morethe live web content) >> Control Panels :- CPanel installation and administration >>VoIP :- FreeSwtich, Asterisk based products (Bare Asterisk, Elastix, Trixbox, FreePBX or any related), secure RTP streams (SRTP) with Transport Layer Security (TLS) with or without Server Certificate, CRM integration and Dialers >>Monitoring and remote admin :- Log analyzing, Monitoring, Remote desktop, Remote Admin using tools such like Sarg, Nagios, FreeNX, SSh/Telnet >>Scripting :- Bash, PHP, Perl, Curl >>Web and Database :- SQL Server, MySQL, HTML, PHP, Java Scripts >>Inter-networking :- LAN/WAN using Cisco and DLink Routers, Managed and unmanned Switches, Structured cabling and Fiber cabling systems, >>Telecommunication :- Circuit Switching, SDH and PDH, Ip based networks, Transmission, Telecommunication network implementation and maintenance >>Virtualization:- WMWare Exsi 4/5, HyperV, VirturlBox, Zen >>Operating Systems :- Redhat or Dabian based servers such like CentOS, Ubuntu, Dabian etc,. ### My time zone : GMT +5.30 (Asia/Colombo) Pls consider this on hiring me ### Quality of work : Commit to provide 100% not a bit less than that. If I say it can be done .. definitely it is possible. If I say cant .. surely I cant do that. Welcome clients... less

Lasantha Indika Amarasinghe
Drop Here

Lasantha Indika Amarasinghe

$25.00 /hr

Linux System and Network Administrator and VOIP Engineer - 15 years ++

Colombo-10, Sri Lanka

Overview

I am an expert in Linux system and network administration, VoIP deployments, system integration for more than 15 years experience, My major expert areas are: >>TCP/IP networking & Security :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wappers, Fail2Ban >>Servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roud cube, BIND, Apache, Nginx, VSFTPD, DHCPD, Squid, Samba, Ziproxy(image compression proxy server), any open source or closed source software in the field >> Proxy and content Swapping : Squid forward and revers ... moremode proxy, Nginx forward and reverse mode proxy with content Swapping(Add click, Tracking modules, Java or any script adding to the live web content) >> Control Panels :- CPanel installation and administration >>VoIP :- FreeSwtich, Asterisk based products (Bare Asterisk, Elastix, Trixbox, FreePBX or any related), secure RTP streams (SRTP) with Transport Layer Security (TLS) with or without Server Certificate, CRM integration and Dialers >>Monitoring and remote admin :- Log analyzing, Monitoring, Remote desktop, Remote Admin using tools such like Sarg, Nagios, FreeNX, SSh/Telnet >>Scripting :- Bash, PHP, Perl, Curl >>Web and Database :- SQL Server, MySQL, HTML, PHP, Java Scripts >>Inter-networking :- LAN/WAN using Cisco and DLink Routers, Managed and unmanned Switches, Structured cabling and Fiber cabling systems, >>Telecommunication :- Circuit Switching, SDH and PDH, Ip based networks, Transmission, Telecommunication network implementation and maintenance >>Virtualization:- WMWare Exsi 4/5, HyperV, VirturlBox, Zen >>Operating Systems :- Redhat or Dabian based servers such like CentOS, Ubuntu, Dabian etc,. ### My time zone : GMT +5.30 (Asia/Colombo) Pls consider this on hiring me ### Quality of work : Commit to provide 100% not a bit less than that. If I say it can be done .. definitely it is possible. If I say cant .. surely I cant do that. Welcome clients... less

Lasantha Indika Amarasinghe has added 29 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Proxy server Configuration

    Jun 2016 - Aug 2016
    4.85
    Lasantha delivered a custom squid proxy that met every one of my criteria and was very easy to communicate with regarding all aspects of the project. I will defiantly use Lasantha again in the future.
    $272.22 earned
    Fixed Price

  • Linux/Asterisk Experienced Freelancer Required

    Dec 2015 - Apr 2016
    5.00
    Lasantha is FANTASTIC! He knows his stuff, this project was a little bit out of left field with a few curve balls but Lasantha was able to get the job done!! Highly Recommend to anyone!!!

    36 hours

    $19.98 / hr
    $712.62 earned

  • Expert in email configuration - knowledge of Linux, sendmail, experience with Perl.

    Dec 2015 - Jan 2016
    4.85
    Job well done. We will rehire when a similar issue needs to be solved.
    $111.00 earned
    Fixed Price

  • VOIP - 3CX PBX System Setup

    Oct 2015
    5.00
    Lasantha was great to work with, he knew his stuff, did a few extras and provided some good suggestions. Would hire again.
    $166.67 earned
    Fixed Price

  • Freepbx, zoho and zoiper setup

    May 2014 - Jun 2014
    4.70
    It was great working with Lasantha, he is very experienced, easily available and very good in problem resolution. Will hire again.

    3 hours

    $22.22 / hr
    $62.96 earned

  • Message annoucement system for VoIP Carrier

    Apr 2014
    5.00
    Highly motivated, never gives up until things work as expected !! Excellent post development documentation, able to delivery on very short deadlines ! Highly recommended AA+++
    $133.33 earned
    Fixed Price

  • Migrate POP Emails from Earthlink to Hostgator

    Feb 2014
    5.00
    Great work. Was able to handle job with minimal supervision and in a very timely manner.
    $55.56 earned
    Fixed Price

  • Asterisk Solutions Expert

    Sep 2013 - Jan 2014
    5.00

    1 hour

    $22.22 / hr
    $22.22 earned

  • enabling SSH in ubuntu 12.04 in HP proliant ML350p Gene8 Server

    Sep 2013
    5.00
    I would like to hire him to do many project with my company. Tutors.com.co/Tutorspaceship.com
    $22.25 earned
    Fixed Price

  • Elastix 2.2 call back function.

    Jul 2013 - Sep 2013
    This feedback has been removed

    5 hours

    $22.22 / hr
    $99.99 earned

  • View More (5)

Lasantha Indika Amarasinghe has more jobs to show. Create an account to review them.

Tests

NameScore (out of 5)Time to Complete
Redhat Linux 9.0 General Test4.60Top 20%36 mins
Voice Over IP Test2.60Below Average31 mins
Redhat Linux 9.0 Admin Test2.75Below Average40 mins
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100% Job Success
Top Rated
Work History
124 hours worked
44 jobs
Availability
Available
More than 30 hrs/week
24 hrs response time
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