Ophase Summer 2015 D120.de IT-Infrastructure Department of Computer Science TU Darmstadt Slides at www.d120.de/workshops Fachschaft Informatik Ophase Summer 2015 D120.de HRZ & ISP ● ● Hochschulrechenzentrum ● abbr. HRZ ● University wide services (WiFi, VPN, ...) Infrastruktur und studentischer Poolservice ● abbr. ISP ● formerly Rechnerbetriebsgruppe (RBG) ● departmental services (Pool, SSH, ...) Fachschaft Informatik Ophase Summer 2015 D120.de Accounts ● ● there are two accounts: HRZ and ISP same username ● TU-ID, schema: xy42juhu ● but different passwords! ● activation: instructions at www.d120.de/a Fachschaft Informatik Ophase Summer 2015 D120.de email ● ● ● ● you get two email addresses HRZ (schema can slightly differ) ● [email protected] ISP (still with RBG domain) ● [email protected] access / forwarding see instruction page Fachschaft Informatik Ophase Summer 2015 D120.de WiFi ● ● eduroam ● WPA2-Enterprise authentification ● HRZ credentials ● works at many other universities, too ● preferred due to encryption! TUDWeb ● in-browser authentification (HRZ) ● not strongly encrypted! Fachschaft Informatik Ophase Summer 2015 D120.de see: https://www.hrz.tu-darmstadt.de/wlan Fachschaft Informatik Ophase Summer 2015 D120.de VPN Virtual Private Network ● tunneling to TU intranet ● access to certain teaching materials (ULB, ...) ● ● two profiles ● campus: tunnel everything through university ● extern: tunnel only uni hosts through university see https://www.hrz.tu-darmstadt.de/vpn Fachschaft Informatik Ophase Summer 2015 D120.de Athene card ● cashless payment in canteen ● library ID ● top up with money: ● via cash in canteen ● via ATM card in ULB for application see https://www.hrz.tu-darmstadt.de/support/hrz_service/info_athene_karte/info_kartenausgabe.de.jsp Fachschaft Informatik Ophase Summer 2015 D120.de Single Sign-on ● Single sign-on with HRZ credentials Fachschaft Informatik Ophase Summer 2015 D120.de other HRZ services ● administrative and e-learning websites ● TUCaN, TU Moodle, OpenLearnWare, ... ● PC pool (Windows) ● printers ● Dreamspark (zero-priced Microsoft software) see https://www.hrz.tu-darmstadt.de/ Fachschaft Informatik Ophase Summer 2015 D120.de C-Pool ● PC pool located in C0 section in Piloty building ● OS: Linux Mint ● 1 GB quota per student ● display with $ quota s ● more temp storage: /export/files/studtemp ● login with ISP credentials ● food and drinks not allowed! (except water) Fachschaft Informatik Ophase Summer 2015 D120.de E-Pool ● workspace with few computers ● located in E0 section in Piloty building ● snack and beverage vending machine ● 24/7 accessible via transponder Fachschaft Informatik Ophase Summer 2015 D120.de Transponder ● you can apply for a transponder ● costs 25 € ● 24/7 access to E0 section for application see https://support.rbg.informatik.tu-darmstadt.de/wiki/de/doku/account/transponder Fachschaft Informatik Ophase Summer 2015 D120.de Printers ● ● ● printers in C-Pool, E-Pool, and LZI ● scanning also possible in C-Pool and LZI 50 pages for free per month ● more pages via Athene card payment printing from pool clients ● or after configuration from own laptop see (there is a link to check your quota consumption) https://support.rbg.informatik.tu-darmstadt.de/wiki/de/doku/computerhilfe/drucker Fachschaft Informatik Ophase Summer 2015 D120.de SSH ● Secure Shell (SSH) ● remote access to other computers ● ● ISP offers SSH servers: ● clientsshX.rbg.informatik.tu-darmstadt.de ● X ϵ {1, 2, 3} key authentication mandatory Fachschaft Informatik Ophase Summer 2015 D120.de SSH - key generation ● ● ● Linux & Mac OS X ● $ sshkeygen Windows ● use PuTTYgen (download link next slide) submit public key (*.pub Datei) ● ● ● https://support.rbg.informatik.tu-darmstadt.de/ or edit file on pool client ~/.ssh/authorized_keys keep your private key private! Fachschaft Informatik Ophase Summer 2015 D120.de SSH - usage ● example login Linux (and Mac OS X) $ ssh [email protected]darmstadt.de ● with PuTTY under Windows download from http://www.chiark.greenend.org.uk/~sgtatham/putty/ Fachschaft Informatik Ophase Summer 2015 D120.de SFTP ● FTP over SSH ● file transfer from/to pool clients ● use appropriate filemanager or FTP client Fachschaft Informatik Ophase Summer 2015 D120.de other ISP services ● SCM ● project and source control with Git or SVN https://scm.rbg.informatik.tu-darmstadt.de/ ● VNC ● graphical login on pool clients (remote) https://support.rbg.informatik.tu-darmstadt.de/wiki/de/doku/computerhilfe/vnc ● ● ● ● ISP ISP-Support ISP-Wiki ISP-Blog https://www.isp.informatik.tu-darmstadt.de/ https://support.rbg.informatik.tu-darmstadt.de/ https://support.rbg.informatik.tu-darmstadt.de/wiki/ https://support.rbg.informatik.tu-darmstadt.de/blog/ Fachschaft Informatik
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