Technical documentation: Difference between revisions
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====iptables==== | ====iptables==== | ||
Open ports: 22 (TCP) | Open ports: 22 (TCP) | ||
Accepts everything from interfaces lo+. This needs to exist for local UNIX sockets to work. Used for R parallelization and similar inter-process communication. | |||
There are pre-up and post-down statements added to /etc/network/interfaces to automate firewall management. Just edit and run /root/tables.sh. Changes will be saved to and loaded from /etc/firewall.conf | There are pre-up and post-down statements added to /etc/network/interfaces to automate firewall management. Just edit and run /root/tables.sh. Changes will be saved to and loaded from /etc/firewall.conf | ||
Revision as of 09:04, 14 February 2017
Servers
Ursus
Ursus is the Princeton machine in the basement.
Hostname: ursus.stockholmresilience.su.se (130.237.187.105)
SSH port: 22
Logging in
Via SSH. Ask Henrik, Emma, or Ingo to add a user for you. You will need to provide a public key to log in to your account.
Specs
- Intel Xeon E5-2620
- 128GB RAM
- 1TB HDD + 180GB SSD + 2TB RAID1 HDD
- nVidia Tesla K20c
Software
Ursus runs Ubuntu 16.04 LTS.
Installed packages:
- OpenSSH
- yafc
- screen
- default-jre-headless
- python-pip
- vim
- zip
- unzip
- R (from external repository)
iptables
Open ports: 22 (TCP)
Accepts everything from interfaces lo+. This needs to exist for local UNIX sockets to work. Used for R parallelization and similar inter-process communication.
There are pre-up and post-down statements added to /etc/network/interfaces to automate firewall management. Just edit and run /root/tables.sh. Changes will be saved to and loaded from /etc/firewall.conf