FAQ:How do I set or change the root password: Difference between revisions

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(Just another question from Chris Tapp)
 
(change the root password)
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'''Q:''' How do I set / change the root password?
'''Q:''' How do I set / change the root password?


'''A:'''  
'''A:''' In the image.bb file (eg: core-image-minimal.bb), append this text:


ROOTFS_POSTPROCESS_COMMAND += "\
    sed 's%^root:[^:]*:%root:wYNffsf6sozwE:%' \
        < ${IMAGE_ROOTFS}/etc/shadow \
        > ${IMAGE_ROOTFS}/etc/shadow.new;\
    mv ${IMAGE_ROOTFS}/etc/shadow.new ${IMAGE_ROOTFS}/etc/shadow ;"
This will set the root password as "root" in the newly built image.
To choose a different password, use the command:
"passwd root"
and copy the corresponding part of "/etc/shadow" to this text:
eg:
# cat /etc/shadow
root:wYNffsf6sozwE:16122:0:99999:7:::
...
[[Category:FAQ]] [[Category:FAQ-open]]
[[Category:FAQ]] [[Category:FAQ-open]]

Revision as of 10:46, 3 March 2014

Q: How do I set / change the root password?

A: In the image.bb file (eg: core-image-minimal.bb), append this text:

ROOTFS_POSTPROCESS_COMMAND += "\

   sed 's%^root:[^:]*:%root:wYNffsf6sozwE:%' \
       < ${IMAGE_ROOTFS}/etc/shadow \
       > ${IMAGE_ROOTFS}/etc/shadow.new;\
   mv ${IMAGE_ROOTFS}/etc/shadow.new ${IMAGE_ROOTFS}/etc/shadow ;"


This will set the root password as "root" in the newly built image.

To choose a different password, use the command: "passwd root" and copy the corresponding part of "/etc/shadow" to this text: eg:

  1. cat /etc/shadow

root:wYNffsf6sozwE:16122:0:99999:7::: ...