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Using MAKEDEV

Posted on April 2, 2016 - September 18, 2016 by Mr. Reboot

You can use MAKEDEV command to create a structure of devices files under /dev using for example in chroot environment or for virtualization.

In Debian/Ubuntu install:

~ $ apt-get install makedev

Go to the /dev directory (or wherever you want to create dev files) and exec MAKEDEV:

~ $ cd /dev
~ $ MAKEDEV std

With the option “std” MAKEDEV create a standard devices group, mem, kmem, loop, null, port, core, full, ram, zero, random and tty:

~ $ ls -lha /dev

lrwxrwxrwx  1 root  root     11 abr  2 21:34 core -> /proc/kcore
crw-rw-rw-  1 root  root  1,  7 abr  2 21:34 full
crw-r-----  1 root  kmem  1,  2 abr  2 21:34 kmem
brw-rw----  1 root  disk  7,  0 abr  2 21:34 loop0
brw-rw----  1 root  disk  7,  1 abr  2 21:34 loop1
brw-rw----  1 root  disk  7,  2 abr  2 21:34 loop2
brw-rw----  1 root  disk  7,  3 abr  2 21:34 loop3
brw-rw----  1 root  disk  7,  4 abr  2 21:34 loop4
brw-rw----  1 root  disk  7,  5 abr  2 21:34 loop5
brw-rw----  1 root  disk  7,  6 abr  2 21:34 loop6
brw-rw----  1 root  disk  7,  7 abr  2 21:34 loop7
crw-r-----  1 root  kmem  1,  1 abr  2 21:34 mem
crw-rw-rw-  1 root  root  1,  3 abr  2 21:34 null
crw-r-----  1 root  kmem  1,  4 abr  2 21:34 port
lrwxrwxrwx  1 root  root      4 abr  2 21:34 ram -> ram1
brw-rw----  1 root  disk  1,  0 abr  2 21:34 ram0
brw-rw----  1 root  disk  1,  1 abr  2 21:34 ram1
brw-rw----  1 root  disk  1, 10 abr  2 21:34 ram10
brw-rw----  1 root  disk  1, 11 abr  2 21:34 ram11
brw-rw----  1 root  disk  1, 12 abr  2 21:34 ram12
brw-rw----  1 root  disk  1, 13 abr  2 21:34 ram13
brw-rw----  1 root  disk  1, 14 abr  2 21:34 ram14
brw-rw----  1 root  disk  1, 15 abr  2 21:34 ram15
brw-rw----  1 root  disk  1, 16 abr  2 21:34 ram16
brw-rw----  1 root  disk  1,  2 abr  2 21:34 ram2
brw-rw----  1 root  disk  1,  3 abr  2 21:34 ram3
brw-rw----  1 root  disk  1,  4 abr  2 21:34 ram4
brw-rw----  1 root  disk  1,  5 abr  2 21:34 ram5
brw-rw----  1 root  disk  1,  6 abr  2 21:34 ram6
brw-rw----  1 root  disk  1,  7 abr  2 21:34 ram7
brw-rw----  1 root  disk  1,  8 abr  2 21:34 ram8
brw-rw----  1 root  disk  1,  9 abr  2 21:34 ram9
crw-rw-rw-  1 root  root  1,  8 abr  2 21:34 random
crw-rw-rw-  1 root  tty   5,  0 abr  2 21:34 tty
crw-rw-rw-  1 root  root  1,  9 abr  2 21:34 urandom
crw-rw-rw-  1 root  root  1,  5 abr  2 21:34 zero
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