I have "container=zone" on LX-Ubuntu 16.04 on Joyent's Triton private cloud root@ops-b3-jenkins01:~# apt-get install makedev Reading package lists... Done Building dependency tree Reading state information... Done The following held packages will be changed: makedev The following packages will be upgraded: makedev 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. Need to get 0 B/24.4 kB of archives. After this operation, 29.7 kB disk space will be freed. Do you want to continue? [Y/n] (Reading database ... 27263 files and directories currently installed.) Preparing to unpack .../makedev_2.3.1-93ubuntu2~ubuntu16.04.1_all.deb ... Unpacking makedev (2.3.1-93ubuntu2~ubuntu16.04.1) over (2.3.1-93ubuntu1) ... Processing triggers for man-db (2.7.5-1) ... Setting up makedev (2.3.1-93ubuntu2~ubuntu16.04.1) ... mknod: mem-: Operation not permitted makedev mem c 1 1 root kmem 0640: failed mknod: kmem-: Operation not permitted makedev kmem c 1 2 root kmem 0640: failed mknod: null-: Operation not permitted makedev null c 1 3 root root 0666: failed mknod: port-: Operation not permitted makedev port c 1 4 root kmem 0640: failed mknod: zero-: Operation not permitted makedev zero c 1 5 root root 0666: failed mknod: full-: Operation not permitted makedev full c 1 7 root root 0666: failed mknod: random-: Operation not permitted makedev random c 1 8 root root 0666: failed mknod: urandom-: Operation not permitted makedev urandom c 1 9 root root 0666: failed mknod: tty-: Operation not permitted makedev tty c 5 0 root tty 0666: failed mknod: ram0-: Operation not permitted makedev ram0 b 1 0 root disk 0660: failed mknod: ram1-: Operation not permitted makedev ram1 b 1 1 root disk 0660: failed mknod: ram2-: Operation not permitted makedev ram2 b 1 2 root disk 0660: failed mknod: ram3-: Operation not permitted makedev ram3 b 1 3 root disk 0660: failed mknod: ram4-: Operation not permitted makedev ram4 b 1 4 root disk 0660: failed mknod: ram5-: Operation not permitted makedev ram5 b 1 5 root disk 0660: failed mknod: ram6-: Operation not permitted makedev ram6 b 1 6 root disk 0660: failed mknod: ram7-: Operation not permitted makedev ram7 b 1 7 root disk 0660: failed mknod: ram8-: Operation not permitted makedev ram8 b 1 8 root disk 0660: failed mknod: ram9-: Operation not permitted makedev ram9 b 1 9 root disk 0660: failed mknod: ram10-: Operation not permitted makedev ram10 b 1 10 root disk 0660: failed mknod: ram11-: Operation not permitted makedev ram11 b 1 11 root disk 0660: failed mknod: ram12-: Operation not permitted makedev ram12 b 1 12 root disk 0660: failed mknod: ram13-: Operation not permitted makedev ram13 b 1 13 root disk 0660: failed mknod: ram14-: Operation not permitted makedev ram14 b 1 14 root disk 0660: failed mknod: ram15-: Operation not permitted makedev ram15 b 1 15 root disk 0660: failed mknod: ram16-: Operation not permitted makedev ram16 b 1 16 root disk 0660: failed mknod: loop0-: Operation not permitted makedev loop0 b 7 0 root disk 0660: failed mknod: loop1-: Operation not permitted makedev loop1 b 7 1 root disk 0660: failed mknod: loop2-: Operation not permitted makedev loop2 b 7 2 root disk 0660: failed mknod: loop3-: Operation not permitted makedev loop3 b 7 3 root disk 0660: failed mknod: loop4-: Operation not permitted makedev loop4 b 7 4 root disk 0660: failed mknod: loop5-: Operation not permitted makedev loop5 b 7 5 root disk 0660: failed mknod: loop6-: Operation not permitted makedev loop6 b 7 6 root disk 0660: failed mknod: loop7-: Operation not permitted makedev loop7 b 7 7 root disk 0660: failed mknod: tty0-: Operation not permitted makedev tty0 c 4 0 root tty 0600: failed mknod: console-: Operation not permitted makedev console c 5 1 root tty 0600: failed ln: failed to create symbolic link 'fd/fd': Function not implemented ln: failed to create symbolic link 'stdin': File exists ln: failed to create symbolic link 'stdout': File exists ln: failed to create symbolic link 'stderr': File exists /sbin/MAKEDEV: don't know how to make device "tty0" dpkg: error processing package makedev (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: makedev E: Sub-process /usr/bin/dpkg returned an error code (1)