- Systems Administration
- Software installation
- SD-UX (swinstall, swremove)
- RPM
- YUM
- Other (tarball, package manager)
- Patches
- Backup / Recovery
- Data Protector 4.x, 5.x
- Omniback 2.x, 3.x
- Legato Networker
- ADSM
- fbackup / frecover
- other (tar, cpio, dump)
- Samba
- X-windows
- VNC
- TCP/IP Networking
- NFS / NIS / DNS
- FTP, rcp, rdist, rsync
- Sendmail
- Disaster Recovery
- Ignite/UX
- Kickstart
- LVM, VxFS, Mirror-UX
- Glance-UX
- ITO / OVO
- Software builds
- Oracle 7.x, 8.x, 9.x, 10.x
- SAP infrastructure
- mySQL 3.x, 4.x, 5.x
- Apache 1.x, 2.x
- IIS
- Printers
- Modems
- Scripting / Automation
- Advanced Korn Shell (ksh)
- Advanced Perl
- CGI / Web
- DBI (MySQL, Oracle)
- Modules (Standard, CPAN)
- Writing Modules
- Advanced Regular Expressions
- General command-line expertise
- awk, sed, grep
- PHP
- Expect / Tcl
- Other Shells (Bourne, Posix-sh, bash, csh)
- Security
- SSH / OpenSSH (ssh, scp, sftp)
- sudo
- RSA SecurID
- pmrun
- PGP and GPG encryption
- IPFilter
- ipchains / iptables / ipmasq
- OpenLDAP
- VAS (Vintela Authentication Service)
- Single Sign On (SSO)
- Storage
- Hitachi Data Systems (HDS) 9980, USP, USP-V
- NetApp V-series, FAS-series, NetApp SDK
- Brocade SAN switches
- Operating Systems
- HP-UX 9.x, 10.x, 11.x
- Linux
- RedHat Enterprise (RHEL) 3.x-5.x
- Xen virtualization
- RedHat Linux 5.x - 9x
- Other distributions (Fedora, Ubuntu, etc)
- Windows NT, 2000, 2003, XP, Vista
- Solaris 2.5, 2.6, 7, 8, 9, 10