New tuto 3 done
This commit is contained in:
parent
5f4880dc50
commit
ba77aca73b
57 changed files with 1026 additions and 137 deletions
|
@ -1,46 +0,0 @@
|
|||
Exercice : `docker exec`
|
||||
------------------------
|
||||
|
||||
Après voir lu la partie concernant les *namespaces*, vous avez dû comprendre
|
||||
qu'un `docker exec`, n'était donc rien de plus qu'un `nsenter(1)`.
|
||||
|
||||
Réécrivons, en quelques lignes, la commande `docker exec` !
|
||||
|
||||
Pour savoir si vous avez réussi, comparez les sorties des commandes :
|
||||
|
||||
- `ip address` ;
|
||||
- `hostname` ;
|
||||
- `mount` ;
|
||||
- `pa -aux` ;
|
||||
- ...
|
||||
|
||||
|
||||
### Tests {-}
|
||||
|
||||
<div lang="en-US">
|
||||
```
|
||||
42sh$ docker run --name mywebserver -d -p 80:80 nginx
|
||||
d63ceae863956f8312aca60b7a57fbcc1fdf679ae4c90c5d9455405005d4980a
|
||||
42sh$ docker container inspect --format '{{ .State.Pid }}' mywebserver
|
||||
234269
|
||||
|
||||
42sh# ./mydocker_exec mywebserver ip address
|
||||
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
|
||||
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
|
||||
13: eth0@if14: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
|
||||
link/ether 02:42:ac:11:00:02 brd ff:ff:ff:ff:ff:ff link-netnsid 0
|
||||
inet 172.17.0.1/16 scope global eth0
|
||||
valid_lft forever preferred_lft forever
|
||||
|
||||
42sh# hostname
|
||||
koala.zoo.paris
|
||||
42sh# ./mydocker_exec mywebserver hostname
|
||||
d63ceae86395
|
||||
|
||||
42sh# ./mydocker_exec mywebserver mount
|
||||
42sh# ./mydocker_exec mywebserver ps aux
|
||||
...
|
||||
```
|
||||
</div>
|
Loading…
Add table
Add a link
Reference in a new issue