ssh - Docker alpine image's basic commands are not working -


docker started produce weird bugs when using few simple alpine based containers. 2 of these problems are:

  • rc-update not found when trying use it
  • after installing openssh package, there nothing in /etc/ssh or there no /etc/init.d/sshd start/restart service

to avoid confusion checked out used container serves simple ssh server. can executing:

git clone https://github.com/chamunks/alpine-openssh.git

after go alpine-openssh directory , build container with:

docker build -t alpine-openssh .

mine produces following:

sending build context docker daemon 125.4 kb step 1 : alpine  ---> 4e38e38c8ce0 step 2 : maintainer chamunks <chamunks@gmail.com>  ---> running in c21d3fa28903  ---> f32322a2871a removing intermediate container c21d3fa28903 step 3 : copy sshd_config /etc/ssh/sshd_config  ---> 392364fc35ce removing intermediate container 4176ae093cb8 step 4 : add https://gist.githubusercontent.com/chamunks/38c807435ffed53583f0/raw/ec868d1b45e248eb517a134b84474133c3e7dc66/gistfile1.txt /data/.ssh/authorized_keys downloading [==================================================>]    864 b/864 b  ---> c3899b675728 removing intermediate container f83629b6fa9b step 5 : run apk add --update openssh &&     rc-update add sshd &&     rc-status &&     touch /run/openrc/softlevel &&     /etc/init.d/sshd start &&     /etc/init.d/sshd stop &&     adduser -d user -h /data/  ---> running in 1d1aad9d1678 fetch http://dl-cdn.alpinelinux.org/alpine/v3.4/main/x86_64/apkindex.tar.gz fetch http://dl-cdn.alpinelinux.org/alpine/v3.4/community/x86_64/apkindex.tar.gz (1/3) installing openssh-client (7.2_p2-r3) (2/3) installing openssh-sftp-server (7.2_p2-r3) (3/3) installing openssh (7.2_p2-r3) executing busybox-1.24.2-r9.trigger ok: 8 mib in 14 packages /bin/sh: rc-update: not found command '/bin/sh -c apk add --update openssh &&     rc-update add sshd &&     rc-status &&     touch /run/openrc/softlevel &&     /etc/init.d/sshd start &&     /etc/init.d/sshd stop &&     adduser -d user -h /data/' returned non-zero code: 127

notice /bin/sh: rc-update: not found part. should work doesn't. restarted docker service, checked out docker's forums no similar issue has been reported far.

any ideas why happen?

the rc-update tool part of openrc package

apk add openrc

-

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