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    yum 저장소에서 도커 제거

    [root@docker03 ~]# yum remove docker docker-common docker-selinux docker-engine
Loaded plugins: fastestmirror
No Match for argument: docker
No Match for argument: docker-common
No Match for argument: docker-engine
Resolving Dependencies
--> Running transaction check
---> Package container-selinux.noarch 2:2.119.2-1.911c772.el7_8 will be erased
--> Processing Dependency: container-selinux >= 2:2.74 for package: 3:docker-ce-24.0.5-1.el7.x86_64
--> Processing Dependency: container-selinux >= 2:2.74 for package: containerd.io-1.6.22-3.1.el7.x86_64
--> Running transaction check
---> Package containerd.io.x86_64 0:1.6.22-3.1.el7 will be erased
---> Package docker-ce.x86_64 3:24.0.5-1.el7 will be erased
--> Processing Dependency: docker-ce for package: docker-ce-rootless-extras-24.0.5-1.el7.x86_64
--> Running transaction check
---> Package docker-ce-rootless-extras.x86_64 0:24.0.5-1.el7 will be erased
--> Finished Dependency Resolution

Dependencies Resolved

=============================================================================================
 Package                     Arch     Version                      Repository           Size
=============================================================================================
Removing:
 container-selinux           noarch   2:2.119.2-1.911c772.el7_8    @docker-repo         41 k
Removing for dependencies:
 containerd.io               x86_64   1.6.22-3.1.el7               @docker-ce-stable   114 M
 docker-ce                   x86_64   3:24.0.5-1.el7               @docker-ce-stable    98 M
 docker-ce-rootless-extras   x86_64   24.0.5-1.el7                 @docker-ce-stable    19 M

Transaction Summary
=============================================================================================
Remove  1 Package (+3 Dependent packages)

Installed size: 231 M
Is this ok [y/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Erasing    : docker-ce-rootless-extras-24.0.5-1.el7.x86_64                             1/4
  Erasing    : 3:docker-ce-24.0.5-1.el7.x86_64                                           2/4
  Erasing    : containerd.io-1.6.22-3.1.el7.x86_64                                       3/4
warning: /etc/containerd/config.toml saved as /etc/containerd/config.toml.rpmsave
  Erasing    : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch                        4/4
  Verifying  : containerd.io-1.6.22-3.1.el7.x86_64                                       1/4
  Verifying  : 3:docker-ce-24.0.5-1.el7.x86_64                                           2/4
  Verifying  : docker-ce-rootless-extras-24.0.5-1.el7.x86_64                             3/4
  Verifying  : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch                        4/4

Removed:
  container-selinux.noarch 2:2.119.2-1.911c772.el7_8

Dependency Removed:
  containerd.io.x86_64 0:1.6.22-3.1.el7                 docker-ce.x86_64 3:24.0.5-1.el7
  docker-ce-rootless-extras.x86_64 0:24.0.5-1.el7

Complete!
    [root@docker03 ~]# yum remove -y docker-ce* docker-engine docker docker.io *docker* containerd.io*
Loaded plugins: fastestmirror
No Match for argument: docker-engine
No Match for argument: docker
No Match for argument: docker.io
No Match for argument: containerd.io*
Resolving Dependencies
--> Running transaction check
---> Package docker-buildx-plugin.x86_64 0:0.11.2-1.el7 will be erased
---> Package docker-ce-cli.x86_64 1:24.0.5-1.el7 will be erased
---> Package docker-compose-plugin.x86_64 0:2.20.2-1.el7 will be erased
--> Finished Dependency Resolution

Dependencies Resolved

=============================================================================================
 Package                     Arch         Version              Repository               Size
=============================================================================================
Removing:
 docker-buildx-plugin        x86_64       0.11.2-1.el7         @docker-ce-stable        59 M
 docker-ce-cli               x86_64       1:24.0.5-1.el7       @docker-ce-stable        35 M
 docker-compose-plugin       x86_64       2.20.2-1.el7         @docker-ce-stable        58 M

Transaction Summary
=============================================================================================
Remove  3 Packages

Installed size: 151 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Erasing    : 1:docker-ce-cli-24.0.5-1.el7.x86_64                                       1/3
  Erasing    : docker-buildx-plugin-0.11.2-1.el7.x86_64                                  2/3
  Erasing    : docker-compose-plugin-2.20.2-1.el7.x86_64                                 3/3
  Verifying  : 1:docker-ce-cli-24.0.5-1.el7.x86_64                                       1/3
  Verifying  : docker-compose-plugin-2.20.2-1.el7.x86_64                                 2/3
  Verifying  : docker-buildx-plugin-0.11.2-1.el7.x86_64                                  3/3

Removed:
  docker-buildx-plugin.x86_64 0:0.11.2-1.el7        docker-ce-cli.x86_64 1:24.0.5-1.el7
  docker-compose-plugin.x86_64 0:2.20.2-1.el7

Complete!
    [root@docker03 ~]# yum autoremove docker-ce docker-engine docker.io *docker* containerd.io*
Loaded plugins: fastestmirror
No Match for argument: docker-ce
No Match for argument: docker-engine
No Match for argument: docker.io
No Match for argument: *docker*
No Match for argument: containerd.io*
No Packages marked for removal

     

    docker 디렉토리 삭제

    rm -rf /var/lib/docker* /etc/docker*
rm -rf /var/run/docker.sock /var/run/docker

     

    docker 삭제 확인

    [root@docker03 run]# docker
-bash: /usr/bin/docker: No such file or directory

     

    ip link 및 route -n에서 docker 제거

    [root@docker03 run]# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether ba:4a:af:78:ba:f8 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether ea:50:9d:b8:76:6b brd ff:ff:ff:ff:ff:ff
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether c2:80:a4:b5:01:c8 brd ff:ff:ff:ff:ff:ff
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether 02:89:f4:84:10:9d brd ff:ff:ff:ff:ff:ff
6: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default
    link/ether 02:42:c8:13:b9:b4 brd ff:ff:ff:ff:ff:ff
7: tunl0@NONE: <NOARP,UP,LOWER_UP> mtu 1480 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/ipip 0.0.0.0 brd 0.0.0.0
15: datapath: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether ca:fe:d9:dc:8b:c3 brd ff:ff:ff:ff:ff:ff
17: weave: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue state UP mode DEFAULT group default qlen 1000
    link/ether da:0c:8f:ba:dd:9d brd ff:ff:ff:ff:ff:ff
18: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/ether 6e:c9:e9:a7:dc:16 brd ff:ff:ff:ff:ff:ff
20: vethwe-datapath@vethwe-bridge: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue master datapath state UP mode DEFAULT group default
    link/ether 8e:2b:c9:66:72:99 brd ff:ff:ff:ff:ff:ff
21: vethwe-bridge@vethwe-datapath: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue master weave state UP mode DEFAULT group default
    link/ether 8a:b7:64:1b:3e:70 brd ff:ff:ff:ff:ff:ff
22: vxlan-6784: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65535 qdisc noqueue master datapath state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether 0e:d3:33:b3:20:96 brd ff:ff:ff:ff:ff:ff
    
    
[root@docker03 run]# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         10.10.50.254    0.0.0.0         UG    100    0        0 eth0
10.10.50.0      0.0.0.0         255.255.255.0   U     100    0        0 eth0
10.32.0.0       0.0.0.0         255.240.0.0     U     0      0        0 weave
192.168.138.0   0.0.0.0         255.255.255.0   U     0      0        0 docker0
192.168.243.128 0.0.0.0         255.255.255.192 U     0      0        0 *
    [root@docker03 run]# ip link delete docker0
[root@docker03 run]# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         10.10.50.254    0.0.0.0         UG    100    0        0 eth0
10.10.50.0      0.0.0.0         255.255.255.0   U     100    0        0 eth0
10.32.0.0       0.0.0.0         255.240.0.0     U     0      0        0 weave
192.168.243.128 0.0.0.0         255.255.255.192 U     0      0        0 *
[root@docker03 run]# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether ba:4a:af:78:ba:f8 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether ea:50:9d:b8:76:6b brd ff:ff:ff:ff:ff:ff
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether c2:80:a4:b5:01:c8 brd ff:ff:ff:ff:ff:ff
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether 02:89:f4:84:10:9d brd ff:ff:ff:ff:ff:ff
7: tunl0@NONE: <NOARP,UP,LOWER_UP> mtu 1480 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/ipip 0.0.0.0 brd 0.0.0.0
15: datapath: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether ca:fe:d9:dc:8b:c3 brd ff:ff:ff:ff:ff:ff
17: weave: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue state UP mode DEFAULT group default qlen 1000
    link/ether da:0c:8f:ba:dd:9d brd ff:ff:ff:ff:ff:ff
18: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/ether 6e:c9:e9:a7:dc:16 brd ff:ff:ff:ff:ff:ff
20: vethwe-datapath@vethwe-bridge: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue master datapath state UP mode DEFAULT group default
    link/ether 8e:2b:c9:66:72:99 brd ff:ff:ff:ff:ff:ff
21: vethwe-bridge@vethwe-datapath: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1376 qdisc noqueue master weave state UP mode DEFAULT group default
    link/ether 8a:b7:64:1b:3e:70 brd ff:ff:ff:ff:ff:ff
22: vxlan-6784: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65535 qdisc noqueue master datapath state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether 0e:d3:33:b3:20:96 brd ff:ff:ff:ff:ff:ff
    # weave도 안쓸거기 때문에 제거해준다.
[root@docker03 run]# ip link delete weave
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