我正在关注Docker网站上的自定进度视频教程：https://training.docker.com/self-paced-training
在第一个视频中，导师讨论了拆卸码头，同时仍然保持容器存活。显示的示例是运行：
docker run -i -d ubuntu:latest /bin/bash
然后在创建容器时，使用以下命令退出：
CTRL + P + Q
这对我来说似乎不起作用。我注意到导师正在使用Windows和Putty。我在我的Debian开发机器上使用docker，所以我不确定分离命令是否不同。
当我按下上面的组合键时，它从容器中退出，但运行：
ps -ef
...没有显示任何容器。这是我的输出：
sheldon@yosec:~$ ps -ef
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 Feb10 ? 00:00:03 /sbin/init
root 2 0 0 Feb10 ? 00:00:00 [kthreadd]
root 3 2 0 Feb10 ? 00:00:00 [ksoftirqd/0]
root 5 2 0 Feb10 ? 00:00:00 [kworker/0:0H]
root 7 2 0 Feb10 ? 00:00:04 [rcu_sched]
root 8 2 0 Feb10 ? 00:00:00 [rcu_bh]
root 9 2 0 Feb10 ? 00:00:00 [migration/0]
root 10 2 0 Feb10 ? 00:00:00 [watchdog/0]
root 11 2 0 Feb10 ? 00:00:00 [watchdog/1]
root 12 2 0 Feb10 ? 00:00:00 [migration/1]
root 13 2 0 Feb10 ? 00:00:00 [ksoftirqd/1]
root 15 2 0 Feb10 ? 00:00:00 [kworker/1:0H]
root 16 2 0 Feb10 ? 00:00:00 [watchdog/2]
root 17 2 0 Feb10 ? 00:00:00 [migration/2]
root 18 2 0 Feb10 ? 00:00:00 [ksoftirqd/2]
root 20 2 0 Feb10 ? 00:00:00 [kworker/2:0H]
root 21 2 0 Feb10 ? 00:00:00 [watchdog/3]
root 22 2 0 Feb10 ? 00:00:00 [migration/3]
root 23 2 0 Feb10 ? 00:00:00 [ksoftirqd/3]
root 25 2 0 Feb10 ? 00:00:00 [kworker/3:0H]
root 26 2 0 Feb10 ? 00:00:00 [khelper]
root 27 2 0 Feb10 ? 00:00:00 [kdevtmpfs]
root 28 2 0 Feb10 ? 00:00:00 [netns]
root 29 2 0 Feb10 ? 00:00:00 [khungtaskd]
root 30 2 0 Feb10 ? 00:00:00 [writeback]
root 31 2 0 Feb10 ? 00:00:00 [ksmd]
root 32 2 0 Feb10 ? 00:00:00 [khugepaged]
root 33 2 0 Feb10 ? 00:00:00 [crypto]
root 34 2 0 Feb10 ? 00:00:00 [kintegrityd]
root 35 2 0 Feb10 ? 00:00:00 [bioset]
root 36 2 0 Feb10 ? 00:00:00 [kblockd]
root 39 2 0 Feb10 ? 00:00:00 [kswapd0]
root 40 2 0 Feb10 ? 00:00:00 [fsnotify_mark]
root 46 2 0 Feb10 ? 00:00:00 [kthrotld]
root 47 2 0 Feb10 ? 00:00:00 [ipv6_addrconf]
root 49 2 0 Feb10 ? 00:00:00 [deferwq]
root 93 2 0 Feb10 ? 00:00:00 [khubd]
root 94 2 0 Feb10 ? 00:00:00 [ata_sff]
root 106 2 0 Feb10 ? 00:00:00 [scsi_eh_0]
root 107 2 0 Feb10 ? 00:00:00 [scsi_tmf_0]
root 108 2 0 Feb10 ? 00:00:00 [scsi_eh_1]
root 109 2 0 Feb10 ? 00:00:00 [scsi_tmf_1]
root 134 2 0 Feb10 ? 00:00:01 [kworker/2:1H]
root 136 2 0 Feb10 ? 00:00:01 [kworker/0:1H]
root 137 2 0 Feb10 ? 00:00:00 [kworker/3:1H]
root 172 2 0 Feb10 ? 00:00:00 [kdmflush]
root 174 2 0 Feb10 ? 00:00:00 [bioset]
root 175 2 0 Feb10 ? 00:00:00 [kcryptd_io]
root 176 2 0 Feb10 ? 00:00:00 [kcryptd]
root 178 2 0 Feb10 ? 00:00:00 [bioset]
root 180 2 0 Feb10 ? 00:00:00 [kworker/1:1H]
root 185 2 0 Feb10 ? 00:00:00 [kdmflush]
root 186 2 0 Feb10 ? 00:00:00 [bioset]
root 188 2 0 Feb10 ? 00:00:00 [kdmflush]
root 189 2 0 Feb10 ? 00:00:00 [bioset]
root 191 2 0 Feb10 ? 00:00:00 [kdmflush]
root 193 2 0 Feb10 ? 00:00:00 [bioset]
root 221 2 0 Feb10 ? 00:00:04 [jbd2/dm-1-8]
root 222 2 0 Feb10 ? 00:00:00 [ext4-rsv-conver]
root 253 2 0 Feb10 ? 00:00:00 [kauditd]
root 262 1 0 Feb10 ? 00:00:00 /lib/systemd/systemd-udevd
root 269 1 0 Feb10 ? 00:00:00 /lib/systemd/systemd-journald
root 315 2 0 Feb10 ? 00:00:00 [hd-audio1]
root 322 2 0 Feb10 ? 00:00:00 [kpsmoused]
root 323 2 0 Feb10 ? 00:00:00 [cfg80211]
root 327 2 0 Feb10 ? 00:00:00 [kmemstick]
root 328 2 0 Feb10 ? 00:00:00 [rtsx_usb_ms_2]
root 362 2 0 Feb10 ? 00:00:00 [hd-audio0]
root 401 2 0 Feb10 ? 00:00:00 [ext4-rsv-conver]
root 414 2 0 Feb10 ? 00:00:00 [jbd2/dm-3-8]
root 415 2 0 Feb10 ? 00:00:00 [ext4-rsv-conver]
root 419 2 0 Feb10 ? 00:00:00 [ext4lazyinit]
root 581 1 0 Feb10 ? 00:00:00 /sbin/rpcbind -w
statd 595 1 0 Feb10 ? 00:00:00 /sbin/rpc.statd
root 600 2 0 Feb10 ? 00:00:00 [rpciod]
root 602 2 0 Feb10 ? 00:00:00 [nfsiod]
root 609 1 0 Feb10 ? 00:00:00 /usr/sbin/rpc.idmapd
root 610 1 0 Feb10 ? 00:00:00 /usr/lib/bluetooth/bluetoothd
root 611 1 0 Feb10 ? 00:00:00 /usr/sbin/cron -f
daemon 612 1 0 Feb10 ? 00:00:00 /usr/sbin/atd -f
root 615 1 0 Feb10 ? 00:00:00 /lib/systemd/systemd-logind
message+ 617 1 0 Feb10 ? 00:00:12 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd
root 623 1 0 Feb10 ? 00:00:00 /usr/sbin/rsyslogd -n
root 627 1 0 Feb10 ? 00:00:01 /usr/sbin/acpid
root 663 1 0 Feb10 tty1 00:00:00 /bin/login --
Debian-+ 880 1 0 Feb10 ? 00:00:00 /usr/sbin/exim4 -bd -q30m
root 896 1 0 Feb10 ? 00:00:00 dhclient -v -pf /run/dhclient.eth0.pid -lf /var/lib/dhcp/dhclient.eth0.leases e
sheldon 919 663 0 Feb10 tty1 00:00:00 -bash
root 938 919 0 Feb10 tty1 00:00:00 su root
root 939 938 0 Feb10 tty1 00:00:00 bash
root 1327 1 0 Feb10 ? 00:00:16 /usr/lib/packagekit/packagekitd
root 7497 1 0 Feb10 ? 00:00:00 /usr/lib/upower/upowerd
root 7528 1 0 Feb10 ? 00:00:01 /usr/lib/udisks2/udisksd --no-debug
colord 7568 1 0 Feb10 ? 00:00:00 /usr/lib/colord/colord
root 7608 1 0 Feb10 ? 00:00:00 /usr/lib/accountsservice/accounts-daemon
root 7615 1 0 Feb10 ? 00:00:00 /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
root 15042 2 0 09:13 ? 00:00:00 [irq/62-mei_me]
root 15045 2 0 09:13 ? 00:00:00 [kworker/u17:0]
root 15046 2 0 09:13 ? 00:00:00 [hci0]
root 15047 2 0 09:13 ? 00:00:00 [hci0]
root 15055 2 0 09:13 ? 00:00:00 [kworker/u17:2]
root 16443 2 0 10:16 ? 00:00:00 [kworker/3:0]
root 16508 1 0 10:17 ? 00:00:19 /usr/bin/docker daemon -H fd://
root 16586 939 0 10:18 tty1 00:00:00 su sheldon
sheldon 16587 1 0 10:18 ? 00:00:00 /lib/systemd/systemd --user
sheldon 16588 16587 0 10:18 ? 00:00:00 (sd-pam)
sheldon 16590 16586 0 10:18 tty1 00:00:00 bash
sheldon 16596 16590 0 10:18 tty1 00:00:00 /bin/sh /usr/bin/startx
sheldon 16618 16596 0 10:18 tty1 00:00:00 xinit /etc/X11/xinit/xinitrc -- /etc/X11/xinit/xserverrc :0 vt1 -auth /tmp/serv
root 16619 16618 6 10:18 tty1 00:03:52 /usr/bin/X -nolisten tcp :0 vt1 -auth /tmp/serverauth.91BAA94QlC
sheldon 16625 16618 0 10:18 tty1 00:00:00 x-session-manager
sheldon 16648 16625 0 10:18 ? 00:00:00 /usr/bin/ssh-agent /usr/bin/dbus-launch --exit-with-session x-session-manager
sheldon 16651 1 0 10:18 tty1 00:00:00 /usr/bin/dbus-launch --exit-with-session x-session-manager
sheldon 16652 1 0 10:18 ? 00:00:00 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
sheldon 16655 1 0 10:18 ? 00:00:00 /usr/lib/at-spi2-core/at-spi-bus-launcher
sheldon 16659 16655 0 10:18 ? 00:00:00 /usr/bin/dbus-daemon --config-file=/etc/at-spi2/accessibility.conf --nofork --p
sheldon 16662 1 0 10:18 ? 00:00:00 /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session
sheldon 16672 16625 0 10:18 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gnome-settings-daemon
sheldon 16679 1 0 10:18 tty1 00:00:00 /usr/bin/gnome-keyring-daemon --start --components=pkcs11
sheldon 16694 1 0 10:18 ? 00:00:15 /usr/bin/pulseaudio --start
rtkit 16695 1 0 10:18 ? 00:00:00 /usr/lib/rtkit/rtkit-daemon
sheldon 16697 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfsd
sheldon 16702 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfsd-fuse /run/user/1000/gvfs -f -o big_writes
sheldon 16716 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfs-udisks2-volume-monitor
sheldon 16723 1 0 10:18 tty1 00:00:00 /bin/sh /usr/bin/start-pulseaudio-x11
sheldon 16724 16723 0 10:18 tty1 00:00:00 /usr/bin/xprop -root -spy
sheldon 16726 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfs-goa-volume-monitor
sheldon 16729 1 0 10:18 ? 00:00:00 /usr/lib/gnome-online-accounts/goa-daemon
sheldon 16735 1 0 10:18 ? 00:00:00 /usr/lib/telepathy/mission-control-5
sheldon 16738 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor
sheldon 16745 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfs-mtp-volume-monitor
sheldon 16749 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfs-afc-volume-monitor
sheldon 16753 16625 2 10:18 tty1 00:01:24 /usr/bin/gnome-shell
sheldon 16756 1 0 10:18 ? 00:00:00 /usr/lib/dconf/dconf-service
sheldon 16760 1 0 10:18 tty1 00:00:00 /usr/lib/gnome-settings-daemon/gsd-printer
sheldon 16773 1 0 10:18 ? 00:00:00 /usr/lib/gnome-shell/gnome-shell-calendar-server
sheldon 16777 1 0 10:18 ? 00:00:00 /usr/lib/evolution/evolution-source-registry
sheldon 16790 16625 0 10:18 tty1 00:00:00 zeitgeist-datahub
sheldon 16792 16625 0 10:18 tty1 00:00:00 /usr/lib/tracker/tracker-miner-user-guides
sheldon 16793 16625 0 10:18 tty1 00:00:00 /usr/lib/tracker/tracker-miner-fs
sheldon 16794 16625 0 10:18 tty1 00:00:00 /usr/bin/python /usr/share/system-config-printer/applet.py
sheldon 16799 16625 0 10:18 tty1 00:00:00 /usr/lib/tracker/tracker-miner-apps
sheldon 16800 16625 0 10:18 tty1 00:00:00 /usr/lib/evolution/3.12/evolution-alarm-notify
sheldon 16804 1 0 10:18 ? 00:00:01 /usr/lib/tracker/tracker-store
sheldon 16806 16625 0 10:18 tty1 00:00:00 nm-applet
sheldon 16809 1 0 10:18 ? 00:00:00 /usr/bin/zeitgeist-daemon
sheldon 16811 16625 0 10:18 tty1 00:00:00 /usr/lib/tracker/tracker-extract
sheldon 16838 1 0 10:18 ? 00:00:00 /usr/lib/evolution/evolution-calendar-factory
sheldon 16845 1 0 10:18 ? 00:00:00 /usr/lib/x86_64-linux-gnu/gconf/gconfd-2
sheldon 16864 1 0 10:18 ? 00:00:00 /usr/lib/gvfs/gvfsd-metadata
sheldon 16894 1 0 10:18 ? 00:00:00 /usr/lib/x86_64-linux-gnu/zeitgeist-fts
sheldon 16912 16894 0 10:18 ? 00:00:00 /bin/cat
sheldon 17025 1 0 10:19 ? 00:00:04 /usr/lib/gnome-terminal/gnome-terminal-server
sheldon 17143 1 0 10:19 ? 00:00:00 /usr/lib/dleyna-renderer/dleyna-renderer-service
sheldon 17149 17025 0 10:19 ? 00:00:00 gnome-pty-helper
sheldon 17150 17025 0 10:19 pts/0 00:00:00 bash
sheldon 17158 1 0 10:19 ? 00:00:00 /usr/lib/gvfs/gvfsd-burn --spawner :1.9 /org/gtk/gvfs/exec_spaw/0
sheldon 17581 16753 23 10:33 tty1 00:09:36 iceweasel
root 17777 2 0 10:48 ? 00:00:00 [kworker/1:2]
root 18308 2 0 10:57 ? 00:00:00 [kworker/0:1]
root 18576 2 0 11:00 ? 00:00:00 [kworker/u16:0]
root 18839 2 0 11:02 ? 00:00:00 [kworker/2:0]
root 18904 16508 0 11:02 pts/1 00:00:00 /bin/bash
root 18971 2 0 11:08 ? 00:00:00 [kworker/u16:2]
root 18984 2 0 11:08 ? 00:00:00 [kworker/1:0]
root 19038 16508 0 11:08 pts/2 00:00:00 /bin/bash
root 19065 2 0 11:08 ? 00:00:00 [kworker/3:1]
root 19076 2 0 11:08 ? 00:00:00 [kworker/2:2]
root 19131 16508 0 11:08 pts/3 00:00:00 /bin/bash
root 19184 2 0 11:08 ? 00:00:00 [kworker/0:0]
root 19260 16508 0 11:09 pts/4 00:00:00 /bin/bash
root 19493 16508 0 11:10 pts/5 00:00:00 /bin/bash
root 19590 16508 0 11:10 pts/6 00:00:00 /bin/bash
sheldon 19632 17150 0 11:14 pts/0 00:00:00 ps -ef
root 28362 2 0 Feb10 ? 00:00:00 [xfsalloc]
root 28363 2 0 Feb10 ? 00:00:00 [xfs_mru_cache]
root 28364 2 0 Feb10 ? 00:00:00 [xfslogd]
root 28367 2 0 Feb10 ? 00:00:00 [jfsIO]
root 28368 2 0 Feb10 ? 00:00:00 [jfsCommit]
root 28369 2 0 Feb10 ? 00:00:00 [jfsCommit]
root 28370 2 0 Feb10 ? 00:00:00 [jfsCommit]
root 28371 2 0 Feb10 ? 00:00:00 [jfsCommit]
root 28372 2 0 Feb10 ? 00:00:00 [jfsSync]
root 28395 2 0 Feb10 ? 00:00:00 [bioset]
avahi 30448 1 0 Feb10 ? 00:00:00 avahi-daemon: running [yosec.local]
avahi 30449 30448 0 Feb10 ? 00:00:00 avahi-daemon: chroot helper
root 31524 1 0 Feb10 ? 00:00:04 /usr/sbin/NetworkManager --no-daemon
root 31528 1 0 Feb10 ? 00:00:00 /usr/lib/policykit-1/polkitd --no-debug
root 31944 1 0 Feb10 ? 00:00:00 /usr/sbin/minissdpd -i 0.0.0.0
root 31979 1 0 Feb10 ? 00:00:00 /usr/sbin/ModemManager
但是，docker ps显示正在运行的容器。这是我有点困惑的地方：
sheldon@yosec:~$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
0929b795f4c0 ubuntu:latest "/bin/bash" 26 minutes ago Up 26 minutes modest_stallman
e2c70f53435c ubuntu:latest "/bin/bash" 27 minutes ago Up 27 minutes cranky_bell
f4a2cfb5bdb8 ubuntu:latest "/bin/bash" 28 minutes ago Up 28 minutes sad_snyder
a5f930397758 ubuntu:latest "/bin/bash" 29 minutes ago Up 29 minutes nostalgic_poitras
5566e0e92e66 ubuntu:latest "/bin/bash" 29 minutes ago Up 29 minutes sharp_williams
2ca098323e64 ubuntu:latest "/bin/bash" 35 minutes ago Up 35 minutes clever_banach
任何想法出了什么问题？
我知道这可能不是最好的做事方式，但目前我只是跟着学习如何掌握Docker。
答案 0 :(得分：1)
我不是100％确定您的本地环境是如何设置的，但是如果您在同一台计算机上运行ps -ef，那么pts / xx上的某些/ bin / bash可能就是您的容器
当您使用序列分离容器时，它不会杀死您的容器，它会分离。为了获得它的支持，您可以运行docker attach <container name or container id>。
然而，即使我没有观看培训视频，您的例子也是错误的。你启动一个已经分离的容器（使用docker run -d），所以如果你在那之后尝试分离，它将不会影响docker。
为了启动附加容器以便稍后分离，您应该使用docker run -i -t ubuntu:latest /bin/bash代替。
使用-d启动容器时，泊坞窗应显示生成的ID，然后您可以将其附加到此，然后按键序列分离。
ID=$(docker -i -d ubuntu:latest /bin/bash)
# We are not in docker, still on our shell
docker attach $ID
# We are now attached to the container
# Exectute Ctrl-p Ctrl-Q
# The container is now detached and we are back to our shell