Docker容器基本操作1

#查看本地容器进程
~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                    PORTS               NAMES
528ea123a806        hello-world         "/hello"            13 hours ago        Exited (0) 13 hours ago                       angry_dirac

#查看镜像
~]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
lihanbing/alpine    v3.10.3             a187dde48cd2        12 days ago         5.6MB
alpine              latest              a187dde48cd2        12 days ago         5.6MB
hello-world         latest              fce289e99eb9        15 months ago       1.84kB

#启动容器
~]# docker run -it alpine:latest /bin/sh

/ # ifconfig
eth0      Link encap:Ethernet  HWaddr 02:42:AC:07:04:01  
          inet addr:172.7.4.1  Bcast:172.7.4.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:16 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:1296 (1.2 KiB)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

#非交互式启动容器
~]# docker run --rm alpine:latest /bin/echo hello #启动完会自动退出

#非交互式启动后台容器
~]# docker run -d --name myalpine alpine:latest   #会自动退出
0a642f280bc4576f28e5d28baeda7dc2d7e4d4edb6dc61b6746e5b69e95c6dae

~]# docker run -d --name myalpine1 alpine:latest /bin/sleep 300    #会停留300s
6397daba92df89b904744fea12e6e4ccbf2d78ed2f44f80c486c5aa2c9b53735

~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                      PORTS               NAMES
6397daba92df        alpine:latest       "/bin/sleep 300"    37 seconds ago      Up 37 seconds                                   myalpine1

#查看宿主机进程
~]# ps aux | grep sleep | grep -v grep
root      14190  0.0  0.0   1560   244 ?        Ss   11:53   0:00 /bin/sleep 300

#进入处于UP状态的容器
~]# docker exec -it 118557f79e43 /bin/sh

#停止容器
~]# docker stop 118557f79e43

~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                            PORTS               NAMES
118557f79e43        alpine:latest       "/bin/sleep 300"    5 minutes ago       Exited (137) About a minute ago

#再次启动
~]# docker start 118557f79e43
118557f79e43

~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                      PORTS               NAMES
118557f79e43        alpine:latest       "/bin/sleep 300"    6 minutes ago       Up 20 seconds                                   myalpine2


#restart容器

~]# docker restart 118557f79e43

#这些操作可以用容器的ID,也可以用容器的名字

#删除容器

~]# docker rm myalpine
myalpine   #删除已经停止的容器

#删除正在运行的容器
~]# docker rm -f myalpine2

#删除所有退出的容器
~]# for i in `docker ps -a | grep -i  exit | awk '{print $1}'`;do docker rm -f $i;done