From 858461dffcdb5d02b577db44598cc463e643f0b0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?F=C3=A9lix=20MARQUET?= <72651575+BreizhHardware@users.noreply.github.com> Date: Tue, 13 Jan 2026 11:48:57 +0100 Subject: [PATCH] Obisidian vault auto-backup: 13-01-2026 11:48:56 on . 1 files edited --- .../CIPA4/Cloud Computing Cours 2.md | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/ISEN/Cloud Computing/CIPA4/Cloud Computing Cours 2.md b/ISEN/Cloud Computing/CIPA4/Cloud Computing Cours 2.md index 34c4e6a..79e9514 100644 --- a/ISEN/Cloud Computing/CIPA4/Cloud Computing Cours 2.md +++ b/ISEN/Cloud Computing/CIPA4/Cloud Computing Cours 2.md @@ -39,4 +39,32 @@ Q: which IP addres the router is having as external gateway? openstack server create --image 'Debian 12' --flavor small --network private --key-name isen myvm01 ``` Q: can you access to your instance in SSH? +No +### Floating IP +```bash +openstack server add floating ip myvm01 51.91.90.76 +``` +Q: what IP can you see on ens3 interface of the instance? +```Bash +debian@myvm01:~$ ip a +1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 + link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 + inet 127.0.0.1/8 scope host lo + valid_lft forever preferred_lft forever + inet6 ::1/128 scope host noprefixroute + valid_lft forever preferred_lft forever +2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 + link/ether fa:16:3e:89:ad:33 brd ff:ff:ff:ff:ff:ff + altname enp0s3 + inet 192.168.42.82/24 metric 100 brd 192.168.42.255 scope global dynamic ens3 + valid_lft 86313sec preferred_lft 86313sec + inet6 fe80::f816:3eff:fe89:ad33/64 scope link + valid_lft forever preferred_lft forever +``` + +## Userdata +### Start an instance +```bash +openstack server create --image 'Debian 12' --flavor small --network private --key-name isen --user-data postinstall.sh myvm01 +```