podman容器开机自启

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已于 2022-06-08 09:02:48 修改

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文章标签：网络 docker 容器

于 2022-05-10 22:04:06 首次发布

本文链接：https://blog.youkuaiyun.com/m0_67758799/article/details/124688501

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本文介绍了Podman容器的网络管理和如何实现容器的开机自启动。当启动容器后，会创建cni-podman0网卡，即使容器停止或删除，网卡仍存在。对于root用户和普通用户，文章详细讲解了如何拉取镜像、启动容器、生成配置文件以及设置开机自启动的步骤。

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podman网络（root与普通用户）

启动一个容器后,会出现cni-poman0网卡，容器启动时,默认会连接podman网络,容器暂停或删除后，网卡依然存在

没有运行任何容器前

[root@rookie ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> 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 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 00:0c:29:31:e7:0f brd ff:ff:ff:ff:ff:ff
    inet 192.168.141.101/24 brd 192.168.141.255 scope global noprefixroute ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe31:e70f/64 scope link 
       valid_lft forever preferred_lft forever

运行一个容器，查看ip

[root@rookie ~]# podman run -d --name httpd docker.io/library/httpd
ecf783823ccb52ed7c30125cad6b62431359429346a7e2cdac3e8e5fb6ae9f98
[root@rookie ~]# podman ps
CONTAINER ID  IMAGE                           COMMAND           CREATED        STATUS            PORTS       NAMES
ecf783823ccb  docker.io/library/httpd:latest  httpd-foreground  9 seconds ago  Up 9 seconds ago              httpd

//查看ip
[root@rookie ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> 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 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 00:0c:29:31:e7:0f brd ff:ff:ff:ff:ff:ff
    inet 192.168.141.101/24 brd 192.168.141.255 scope global noprefixroute ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe31:e70f/64 scope link 
       valid_lft forever preferred_lft forever
3: cni-podman0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether c2:de:4b:92:1b:a2 brd ff:ff:ff:ff:ff:ff
    inet 10.88.0.1/16 brd 10.88.255.255

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