Editing Container enter failed

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== Solutions ==

=== Using strace ===

You can use [http://linux.die.net/man/1/strace strace] to analyse the command further:
<pre>
# strace -ff vzctl enter 101
....
fstat64(...st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0)...) fail
....
</pre>

Recompile the kernel with the following option:
 CONFIG_LEGACY_PTYS=y

=== LEGACY_PTYS ===

==== Temporary fix ====
''Note: This is a temporary fix so you can enter the VE.''

* Create the LEGACY_PTYS devices:

 vzctl exec 101 /sbin/MAKEDEV tty
 vzctl exec 101 /sbin/MAKEDEV pty
 vzctl enter 101

==== Permanent fix with udev ====
* For a permanent fix with udev, you will need to force udev to make LEGACY_PTYS:

 cat > /etc/udev/makedev.d/51-udev.nodes
 # These device have to be created manually
 tty0
 tty1
 tty2
 tty3
 ....
 ttyp0
 ttyp1
 ttyp2
 ttyp3
 ....
 ptyp0
 ptyp1
 ptyp2
 ptyp3
 ....

==== Permanent fix without udev ====
* Alternatively, you can disable udev:

Edit the ''/etc/rc.d/rc.sysinit'' file and comment out the ''/sbin/start_udev'' line

Or you can run the following command:

 sed -i 's|/sbin/start_udev|#/sbin/start_udev|g' /etc/rc.d/rc.sysinit

''Warning'' Updates to the package which owns this file may revert your changes.

''Note'' This was tested with CentOS VE.

=== Debian only ===

* Enter the VE manually
 CTID=101
 vzctl exec $CTID "mount -t devpts devpts /dev/pts" 
 vzctl enter $CTID

* Remove udev using apt
 CTID=101
 vzctl exec $CTID apt-get remove udev
 vzctl restart $CTID

== See also ==

* {{Bug|130}}
* {{Bug|578}}

[[Category: Troubleshooting]]