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Leszek E. | Elance
 
176985602337900
Last Sign-in: Sep 1, 2015

Leszek E.

Linux LAMP | AWS | Apache | MySQL | TCP/IP | SMTP
   Poland
  |  7:04 am Local Time

Overview

Looking for an experienced networking specialist? Linux related work? Whether you want to hire to get work done or just want to have answers on varius topics, I will be able to put you on the right track.

I'm Cisco CCNP certified, experienced in networking and Linux administration and I work in the Computing Center of AGH University in Krakow (Poland).

My daily tasks range from e-mail delivery, web hosting, MySQL, routing to switching and monitoring.

Read More »
Aug 30, 2015|System Administration|Private|Working
Aug 17, 2015|System Administration|Private|Working
Aug 4, 2015|System Administration|Private|Completed
|
5.0
Jul 28, 2015|System Administration|Private|Completed
|
5.0

View All »

Portfolio

Skills (12)

Tested
Linux System Administration
Linux Test
My Score
avg
Amazon Web Services
Amazon Web Services
My Score
avg
Apache Administration
Apache Server Test (2.0 Family)
My Score
avg
LAMP Administration
MySQL Administration
TCP/IP
TCP/IP Test
My Score
avg
Perl
Unix
Unix Shell Script Test
My Score
avg
Network Administration
Networking Concepts Test
My Score
avg
Cisco
Firewall
Cisco Contractor Readiness
Cisco Contractor Readiness Test
My Score
avg

Service Description

- Linux LAMP servers: management, maintenance, troubleshooting, performance tuning, monitoring. Linux distros: Debian, Ubuntu, CentOS, RedHat
- optimization / cost reduction of Amazon Web Services services (VPC, EC2, S3, EBS)
- SMTP servers setup: SPF, DKIM, POP/IMAP, WebMail, SPAM filtering. Postfix, Dovecot, SpamAssasin
- WWW servers: Apache / Nginx / Lighttpd setup and optimization: PHP, MySQL, htaccess debugging, DDoS prevention
- MySQL performance tuning, backups
- High Availablility environments: HA at layer 2, HA at Layer 3, MySQL Clustering, HAproxy, mod_proxy, load balancing, Varnish content caching
- Storage: RAID arrays, ZFS, NFS
- DNS with geolocalization: BIND, djbdns
- Websites migration: cPanel, Plesk, Wordpress, Joomla
- Monitoring: SNMP, Nagios, Cacti
- Virtualization: VMware, Xen, OpenVZ, Linux Containers, cgroups
- Networking and TCP/IP: configuring and troubleshooting complicated L2 and L3 protocols, IPv4, IPv6, securing networks
- Routing: static routing, OSPF, EIGRP, BGP, RIP
- Configuring Cisco L2/L3 switches and routers
- Configuring Linux routing
- Statefull and stateless firewalls
- VPN tunnels with OpenVPN, IPsec, PPTP, L2TP, GRE, IPv6 tunnels
- Preparing and debugging shell scripts: Bash, Unix Shell
- Programming in Perl, Python, AWK, Sed


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Employment

Computing Center at AGH University in Krakow (Pol)
System Administrator
2009 - 2014
Administering web hosting, virtualization and core network. Deploying, configuring, troubleshooting and monitoring routers and switches (Cisco, Linux, D-link), installing and configuring http...
ISTS Sp. z o.o. - Internet Service Provider
Network technician
2008 - 2009
Configuring, troubleshooting and monitoring network devices - routers, switches, access points. Configuring and maintaining web hosting services (Linux, Apache, MySQL, PHP). Supporting customers,...
Overview  |  Job History  |  Portfolio  |  Resume/C.V.

Keywords

LAMP
Linux
AWS
Networking
Apache
MySQL
Cisco
CCNP
TCP/IP
PHP
Scripting
Email
SMTP
Heartbleed
Bash
My Snapshot
Elance Level
Level represents activity and experience on Elance. Freelancers start at Level 1 and achieve higher levels through their work. A higher "Level" indicates greater earnings, ratings and other achievements on Elance. Learn More »
  • 12 months
  • Lifetime
Jobs
Total
Milestones
Hours
Reviews
5.0
Recommend
Clients
Total
Repeat
Earnings
Private
Private
Total
Per Client
Identity
Username
siwuch
Type
Individual
Member Since
September 2012
Elance URL
Verifications
0
Groups
Leszek E. | Elance

Leszek E.