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diff --git a/content/en/docs/Start/check.md b/content/en/docs/Start/check.md deleted file mode 100644 index 494ee33..0000000 --- a/content/en/docs/Start/check.md +++ /dev/null @@ -1,85 +0,0 @@ ---- -title: "Check installation" -date: 2021-01-03 -weight: 40 -description: > - Check if ouroboros works. -draft: false ---- - -To check if everything is installed correctly, you can now jump into -the [Tutorials](../../tutorials/) section, or you can try to ping this -webhost over ouroboros using the name _ouroboros.rocks.oping_ - -Our webserver is of course on an IP network, and ouroboros does not -control IP, but it can run over UDP/IP. - -To be able to contact our server over ouroboros, you will need to do -some small DNS configuration: to tell the ouroboros UDP system that -the process "ouroboros.rocks.oping" is running on our webserver by -add the line - -``` -51.38.114.133 1bf2cb4fb361f67a59907ef7d2dc5290 -``` - -to your ```/etc/hosts``` file[^1][^2]. - -Here are the steps to ping our server over ouroboros: - -Run the IRMd: - -```bash -$ sudo irmd & -``` -Then you will need find your (private) IP address and start an ouroboros UDP -daemon (ipcpd-udp) on that interface: -```bash -$ irm ipcp bootstrap type udp name udp layer udp ip <your local ip address> -``` - -Now you can ping our server: - -```bash -$ oping -n ouroboros.rocks.oping -``` - -The output from the IRM daemon should look something like this (in DEBUG mode): -``` -[dstaesse@heteropoda build]$ sudo irmd --stdout -==01749== irmd(II): Ouroboros IPC Resource Manager daemon started... -==01749== irmd(II): Created IPCP 1781. -==01781== ipcpd/udp(DB): Bootstrapped IPCP over UDP with pid 1781. -==01781== ipcpd/udp(DB): Bound to IP address 192.168.66.233. -==01781== ipcpd/udp(DB): Using port 3435. -==01781== ipcpd/udp(DB): DNS server address is not set. -==01781== ipcpd/ipcp(DB): Locked thread 140321690191424 to CPU 7/8. -==01749== irmd(II): Bootstrapped IPCP 1781 in layer udp. -==01781== ipcpd/ipcp(DB): Locked thread 140321681798720 to CPU 6/8. -==01781== ipcpd/ipcp(DB): Locked thread 140321673406016 to CPU 1/8. -==01781== ipcpd/udp(DB): Allocating flow to 1bf2cb4f. -==01781== ipcpd/udp(DB): Destination UDP ipcp resolved at 51.38.114.133. -==01781== ipcpd/udp(DB): Flow to 51.38.114.133 pending on fd 64. -==01749== irmd(II): Flow on flow_id 0 allocated. -==01781== ipcpd/udp(DB): Flow allocation completed on eids (64, 64). -==01749== irmd(DB): Partial deallocation of flow_id 0 by process 1800. -==01749== irmd(II): Completed deallocation of flow_id 0 by process 1781. -==01781== ipcpd/udp(DB): Flow with fd 64 deallocated. -==01749== irmd(DB): Dead process removed: 1800. -``` - -If connecting to _ouroboros.rocks.oping_ failed, you are probably -behind a NAT firewall that is actively blocking outbound UDP port -3435. - -[^1]: This is the IP address of our server and the MD5 hash of the - string _ouroboros.rocks.oping_. To check if this is configured - correctly, you should be able to ping the server with ```ping - 1bf2cb4fb361f67a59907ef7d2dc5290``` from the command line. - -[^2]: The ipcpd-udp allows setting up a (private) DDNS server and - using the Ouroboros ```irm name``` API to populate it, instead - of requiring each node to manually edit the ```/etc/hosts``` - file. While we technically could also set up such a DNS on our - server for demo purposes, it is just too likely that it would be - abused. The Internet is a nasty place.
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