create /dev/null if accidentally deleted or for a chroot

mknod -m 0666 /dev/null c 1 3
Sample Output
# - name: Mknod /dev/null to Chroot
    /bin/mknod -m 0666 /dev/null       c 1 3
# - name: Mknod /dev/random to Chroot
    /bin/mknod -m 0666 /dev/random     c 1 8
# - name: Mknod /dev/urandom to Chroot
    /bin/mknod -m 0666 /dev/urandom    c 1 9

mknod -m 0666 /dev/null_test c 1 3 
stat /dev/null_test

File: '/dev/null_test'
Size: 0  Blocks: 0 IO Block: 4096 character special file
Device: 6h/6d	Inode: 603  Links: 1 Device type: 1,3
Access: (0666/crw-rw-rw-) Uid: (0/ root) Gid: ( 0/ root)

# dont forget restorecon for selinux after creating
restorecon /dev/null

By: emphazer
2018-08-16 12:10:16

What Others Think

The major and minor numbers (1 and 3 in the above) may be different depending on your kernel. Check the mknod man page on your system.
anok · 71 weeks and 2 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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