[ Services ]
Skills and Services:
-= Last Updated on: 01.09.2012 =-
* 11+ Linux/UNIX System Administration Experience
* Excelent knowledge of packet alanyzing
* Excelent knowledge of network switching
* Excelent knowledge of TCP/IP protocol
* Excelent knowledge of wireless protocols
* Good knowledge of routing protocols
* Good programming skills (php, shells script, sql, c .. see bellow)
* Basic skills of debuging
* Installing, configuring and maintaining of NetBSD/OpenBSD (also FreeBSD) Servers and Linux Servers/Workstations
* Writing and analyzing of firewalls. Familiar with ipchains/iptables/ipf/pf(so far best firewall i know)
* Securing and system hardening of Linux by third party tools (openwall/grsecurity)
* Linux/BSD kernel customization, optimization and system tunning
* Installing full e-mail system including smtp/pop3/pop3s/imap/imap-ssl (qmail+vpopmail+maildrop+couirer+... djb and inter7.com products)
+ anti-spam system (spamassassin/simscan|qmail-scanner) + antivir (ClamAV and non-opensource products)
+ personal mail sorting using maildrop filter + web mail interface
* Installing of apache/apache-ssl web server + extensions (php/modperl...)
* Configuring Linux traffic shapers (HTB/CBQ/...)
* Installing and configuring (also developing) of network traffic accounting for Linux/BSD/everything that runs libpcap library
* Installing VPN solutions based on Open Source products (pptp/ipsec/ovpn...)
* Experienced with security auditing and tracing already compromised systems, backdoors, trojans, LKM backdoors/loggers
* Writing shell scripts for process automation, backups ...
* Familiar with GNU autoconf/automake system
* DNS management (bind, djbdns)
* Familiar with domain name registration procedures
* Familiar with RIPE stuff
* Installing and (o yeah) reinstalling MS Windows NT/2000/XP/2003 servers, keyloggers,virus/trojan/backdoor/worms cleaning
* Familiar with Microsoft Windows/Office products
* Familiar with DOS 6.x and Windows 3.x
* Excellent knowledge of SCO OpenServer 5.0.x Unix, repairing, hard disk clonning, password removing and etc.
* Good knowledge of Brunswick Bowling software (Frameworx).
Courses:
* 2003 - Cisco Certified Network Associate (CCNA) course - 4 semesters. Still no time (and money) to go to exam.
* 2003 - UNIX System Administration course at NOAK Ltd. Bulgaria specializing SCO Unix OpenServer 5.0.x
* from 2001 until today Linux Users Group Bulgaria (LUG-BG) Annual Seminar at Stara Zagora
* Some open source seminars like OpenFest)
* from 2002 to now - Annual Cisco Expo Bulgaria - technical lectures
* 2006 - UNIX System Administration course at www.noac.biz (again)
* 2008 - VmWare ESX server course
Certificates:
* 1999 - General Linux System Administration - Tekmetriks (now BrainBench)
* 2002 - Linux Administration (RedHat) - brainbench
* 2002 - Apache 1.x Administration (Master Degree) - brainbench
* 2003 - PHP 4 Programming - brainbench
* 2003 - Linux Programming - brainbench
* 2003 - C Programming - brainbench
* 2003 - SCO Unix OpenServer 5.0.x System Administration Certificate
* 2003 - Linux Administration (General) Master Degree - brainbench
* 2004 - TCP/IP Administration - brainbench
* 2004 - Assembly Language - brainbench
* 2004 - HTML 4.0 - brainbench
My Brainbench Transcript ID#: 131642
Note: Certificates are 2 years valid and they are not on my Brainbench transcript but I have them on a paper
Experience so far:
- Joomla 1.x initial installation and full customization for few web sites.
- Brunswick Bowling - Operating System support(SCO OpenServer 5.0.4 Desktop) - driver installations, network card change, language settings change, Console OS support (ROM-DOS) - hard disk cloning, repairing.
- VMWare Infrastructure - ESX Servers 3.x running a couple of Virtual Machines with several OS - linux, win2k3 servers, winxp/win2k server... (installed and supporting them atm as STEMO employee)
- Installed Oracle 9 and Oracle RAC on Redhat AS2.1/AS3.0 (as STEMO employee)
- Installed Oracle 10 on HP-UX/11.23 on PARISC, also Oracle RAC hardware: HP PARISC for Ministry of Justice, Bulgaria (as STEMO employee)
- Support for 1 year for SCO OpenServer 5.0.7+ for Ministry of Interior, Bulgaria (as STEMO employee)
- Installed and maintaining Linux/NetBSD routers and firewalls about 10 offices in the country (as STEMO employee)
- Installed and remote administrating for Grafixoft Ltd. of 2 Linux servers in their 2 offices (mails and everything) - frends
- Installed and maintaining small home network (including this server) based on NetBSD 3.0
- http, mail, samba, nfs,
diskless workstation via PXE boot/nfs, dhcp server, xdmcp remote X login, wireless crypted network for home laptop use (Linksys based) .. etc..
- patched and enchanced net-acct for company needs and maintainer of open source
project http://netacct-mysql.gabrovo.com/ (as STEMO employee)
- simple php/mysql ftp indexer (b00ble) written for company needs - open source (as STEMO employee)
- ICQ/OSCAR protocol sniffer mini-cap written just for fun
- simple PHP forum - demo written for needs of the site
- DOS TSR keylogger written in Assembler (old stuff)
- Home automation system (in progress) - using Velleman k8055 USB experimental board and NetBSD 3.0 as embedded OS
OS Knowledge:
# Debian GNU/Linux - guru like ;)
# Other Linux (Slackware, Fedora, SuSE..) - Excellent
# NetBSD - Excellent
# OpenBSD - Good
# FreeBSD - Average
# SCO UNIX OpenServer 5.0.x - Excellent
# HP-UX - Average
# MS Windows NT - Average
# MS Windows 2k/XP Workstation - Excellent
# MS WIndows 2k/2k3 Server - Good
# MS Windows 95/98 - Excellent
# Cisco IOS cli interface - Good
# DOS/Windows 3.1x - Good (it was a long time ago)
Request assistence or contract me:
I can provide experienced remote assistence of any Linux distribution, most of BSD's, SCO OpenServer 5.0.x
for a certain ammount of money (negotiable) or gift (see my request page here)
in following conditions:
* the work will be done in period from 18:00 local time (GMT +2) to somewhere midnight/early morning, in other words when I am not at work
* the work is something as listed above.
* work can also include modifying/patching/customasing some opensource project.
* the work can include writing closed source small project for embedded system, adopting NetBSD/Linux as embedded os and so on.
* the work can include writing UNIX based packet sniffer/analyzer for a certain protocol which at least have some docs out there.
You can reach me at these addresses:
geroy@stemo.bg,
devane@gmail.com,
or at address:
Bulgaria
Gabrovo 5300
street "Kragozor" No.9
Nikolay Hristov