Operating systems

• UNIX/Linux Administration
• Windows domains Administration

Programing languages

• Shell UNIX / Linux
• PHP

Databases

• MySQL Administration
• SQL language

WEB sites

• HTML language
• CSS stylesheets
• WordPress CMS
• SEO
• Statistics with PIWIK

Networks

• TCP/IP networks
• DHCP
• DNS
• Frame analysis , sniffers

Microsoft EXCEL

• Functions : (SOUS.TOTAL, SOMME.SI…)
• SQL queries from a database
• Pivots

Microsoft WORD

• Pages layout: Styles, paragraphs, sections.
• Documents layout: Summary, automatic indexes
• Automatic mailings

Security

• Firewalls: NETASQ.
• Intrusion detection systems (IDS): SNORT.