Tarmo Järvalt
I have strong ability to do research and learn quickly. I am very well aware how little I actually know, but all the connected knowledge that I possess is very good foundation to build upon.
I keep myself informed with 100+ IT news feeds
Following is a list of general areas that I've had hands on experience with over the past 14 years:
Hardware
- x86 hardware from 8 to 64 bit
- ADSL/VDSL - RIPoATM, PPPoE
- Analog and ISDN modems
- Bluetooth
- Ethernet networking - switches, hubs, VLAN, trunking, running cables and patching
- GPS
- Graphics cards - multimonitor setups
- Optical media
- PDA handhelds
- Printers (matrix/ink/laser, serving from Windows/Linux/hardware print servers)
- Projectors
- Scanners
- Storage - hard disk and solid state, with SCSI/PATA/SATA/USB/FireWire/iSCSI/AoE connectivity, hardware/software RAID and LVM arrays
- Tape drives
- UPS - software control and monitoring
- Vending machines - software controlled, SQL backed
- Video surveilance and security access systems (Zoneminder, Ektaco, Yoga Intelligence)
- VoIP - Analog to SIP/Skype adapters, SIP phones, audio/video conferencing
- WiFi - access points, USB/PCI devices
Software
Operating Systems
- Linux user since 1.1 kernels, nowadays using primarily Debian, but have also used Red Hat, SuSE and some purpose built distros.
- bash scripting with various command line utilities
- LVM arrays
- MD software RAID0/1/5
- MRTG, Cacti, lmsensors, smartmontools monitoring
- PAM authentication integration
- screen & irssi usage 24*7
- Services combos: DHCP, DNS, NTP, SMTP, POP3, IMAP, HTTP, SSL, FTP, SQL, VPN (IPsec/SSL), SNMP, NNTP, SSH, iptables, Squid, Samba
- Microsoft operating systems from MSDOS to Windows Vista, solid user and admin background
- Batch, Kixtart, bash scripting
- DNS/DHCP/WINS/AD admin
- Extensive file and print services configuration with quotas, complicated ACL setups
- Management using command line and MMC tools
- Registry tweaking
- BSD variants - bit of userland experience
- Sun Solaris - some x86/SPARC Solaris 9 and 10 admin tasks
Virtualization
- Microsoft Virtual Server
- VMware Converter V2V, P2V
- VMware Player
- VMware Server - Windows/Linux host, multiple host management, performance tuning
- Xen
Server Software
- Apache HTTP server - virtual hosts, SSL, rewrite, PHP
- Apache Tomcat
- Asterisk PBX
- BEA WebLogic
- BIND/dnsmasq
- CVS
- HansaRaama
- iSCSI - Windows/Linux software targets/initiators
- Microsoft Exchange
- Microsoft IIS
- Microsoft Navision
- Microsoft SQL Server 6.5 to 2005
- Microsoft Visual SourceSafe
- MySQL
- NIS
- OpenLDAP
- OpenSSH - scp, sshfs, tunneling
- OpenVPN - bridging and routing, AD authentication integration
- Oracle 7 to 10 - mostly just installation, bit tweaking, backup/restore and such
- Postfix/Exim
- PostgreSQL
- QEMU
- rsync
- Samba
- SQLite library
- Squid
- SVN - availability over HTTPS with NTLM authentication
- Taavi Palk/Personal
- VNC
- WinFAX
Desktop Software
- All mayor browsers, with personal preference of Mozilla SeaMonkey, done some XUL tweaking, Greasemonkey scripts
- FAR file manager
- File compression utilities
- Hamachi for quick & dirty VPN
- ID-card
- Image and video manipulation utilities
- Office software like Microsoft Office, OpenOffice.org and such
- Optical media writing and CD/DVD images manipulation utilities
- Preparing clean desktop systems for users
- Visual Studio, Eclipse, JDeveloper tools
Programming
- ASP - minor websites with VBScript long ago
- C++ - some light bitrot fixing, patches creation
- JavaScript/ECMAScript - DOM manipulation, fancy "DHTML"
- Perl - scripts tweaking
- PHP - some lightweight websites, libraries and tools creation
- Bash scripting
- SQL - simple queries, data manipulation, reports generation, defining database schemas, access control management
- XHTML, XML, HTML, CSS, XSLT, DOM, XPath - mostly for my own use, coding to standards and then taking into account the browser quirks
Networking
- Most common network and transport protocols (IP v4/v6, ICMP, IPsec, ARP, TCP, UDP), routing, translation, packet analyzing
- VPN server and client software from Cisco, Check Point, Nortel, various standalone IPsec/SSL devices
Miscellaneous
- Anti-virus tools
- Disk and OS installation cloning
- Search Engine Optimization
- Various remote management capabilities (SSH, RDP, VNC, NX, X, LOM)
Theoretical/light know-how
- Citrix and Microsoft Terminal Services
- Clusters
- Fibre Channel infrastructure (Swiches, HBA's, SAN's, etc.)
- Fibre optic networking
- Kerberos
- KVM/UML/Virtuozzo
- Radius
- Routing protocols
- Virtual Desktop Infrastructure
- VMware Infrastructure
- ...