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Description of problem:
/usr/bin/net tool doesn't work if /var/lib/samba/lock directory doesn't exist. samba package isn't installed

Version-Release number of selected component (if applicable):
$ rpm -qa samba\*
samba-client-libs-4.6.2-8.el7.x86_64
samba-libs-4.6.2-8.el7.x86_64
samba-common-4.6.2-8.el7.noarch
samba-common-tools-4.6.2-8.el7.x86_64
samba-common-libs-4.6.2-8.el7.x86_64

How reproducible:
Always

Steps to Reproduce:
1. yum install samba-common-tools
2. yum remove samba
3. (as non-root user) /usr/bin/net help

Actual results:
mkdir failed on directory /var/lib/samba/lock: Permission denied
Failed to init messaging context

Expected results:
$ /usr/bin/net help
mkdir failed on directory /var/lib/samba/lock/msg.lock: Permission denied
Usage:
net rpc             Run functions using RPC transport
net rap             Run functions using RAP transport
[...]

Additional info:
Manually creating the directory as root works around this issue.
It looks like /var/lib/samba/lock is owned by the samba package. Perhaps it should be moved to samba-common?

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:0937