[Bug 1564043] Re: winbindd not able to start on system startup

Jason Curl jcurl at arcor.de
Sat Apr 2 09:04:06 UTC 2016 

Appears to be fixed with the latest update:

libnss-winbind/xenial,now 2:4.3.6+dfsg-1ubuntu1 amd64 [installed]
  Samba nameservice integration plugins
libpam-winbind/xenial,now 2:4.3.6+dfsg-1ubuntu1 amd64 [installed]
  Windows domain authentication integration plugin
winbind/xenial,now 2:4.3.6+dfsg-1ubuntu1 amd64 [installed]
  service to resolve user and group information from Windows NT servers


** Changed in: samba (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1564043

Title:
  winbindd not able to start on system startup

Status in samba package in Ubuntu:
  Fix Released

Bug description:
  I have installed samba, winbind, libpam-winbind, libnss-winbind,
  kerberos, etc. so that I am able to in principle connect to a Windows
  Server 2008 R2 active directory controller for AD based logins from
  Ubuntu. I am able to use wbinfo -i, wbinfo -u, wbinfo -g to get the
  list of users and see that the connection to the server is working. My
  smb.conf is also configured for winbind user enum = yes, so that
  getent passwd and getent group lists those from the server machine
  (implying nsswitch.conf is also correct).

  I don't know how to get winbind to start automatically on startup and
  the apt install scripts didn't do this as expected.

  The problem is, on startup of Ubuntu 16.04, the winbind service is not
  started. This prevents logging in via the console, or the lightdm
  manager with a domain user name and password.

  I see that:
  root at leon-ubuntu:/run/systemd/generator.late# systemctl status winbind
  ● winbind.service - LSB: start Winbind daemon
     Loaded: loaded (/etc/init.d/winbind; bad; vendor preset: enabled)
     Active: inactive (dead)
       Docs: man:systemd-sysv-generator(8)

  root at leon-ubuntu:/run/systemd/generator.late# service winbind status
  ● winbind.service - LSB: start Winbind daemon
     Loaded: loaded (/etc/init.d/winbind; bad; vendor preset: enabled)
     Active: inactive (dead)
       Docs: man:systemd-sysv-generator(8)

  root at leon-ubuntu:/run/systemd/generator.late# systemctl enable winbind.service
  winbind.service is not a native service, redirecting to systemd-sysv-install
  Executing /lib/systemd/systemd-sysv-install enable winbind
  insserv: warning: current start runlevel(s) (empty) of script `winbind' overrides LSB defaults (2 3 4 5).
  insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `winbind' overrides LSB defaults (0 1 6).
  insserv: pushd() can not change to directory /etc/init.d: No such file or directory
  update-rc.d: error: insserv rejected the script header

  I see no particular log entries in /var/log on startup, so it appears
  confirmed that Ubuntu doesn't start winbind on startup as one would
  expect.

  If I am to manually start the winbind service with:
  # service winbind start

  then logging in works fine and everything is good and works as
  expected.

  or with:
  # systemctl winbind start
  ● winbind.service - LSB: start Winbind daemon
     Loaded: loaded (/etc/init.d/winbind; bad; vendor preset: enabled)
     Active: active (running) since Mi 2016-03-30 21:10:34 CEST; 38s ago
       Docs: man:systemd-sysv-generator(8)
    Process: 3841 ExecStart=/etc/init.d/winbind start (code=exited, status=0/SUCCE
      Tasks: 2 (limit: 512)
     CGroup: /system.slice/winbind.service
             ├─3860 /usr/sbin/winbindd -d10
             └─3861 /usr/sbin/winbindd -d10

  Mär 30 21:10:34 leon-ubuntu winbind[3841]:   msdfs: 10
  Mär 30 21:10:34 leon-ubuntu winbind[3841]:   dmapi: 10
  Mär 30 21:10:34 leon-ubuntu winbind[3841]:   registry: 10
  Mär 30 21:10:34 leon-ubuntu winbind[3841]:   scavenger: 10
  Mär 30 21:10:34 leon-ubuntu winbind[3841]:   dns: 10
  Mär 30 21:10:34 leon-ubuntu winbind[3841]:   ldb: 10
  Mär 30 21:10:34 leon-ubuntu winbind[3841]:   tevent: 10
  Mär 30 21:10:34 leon-ubuntu winbind[3841]: Maximum core file size limits now 167
  Mär 30 21:10:34 leon-ubuntu winbind[3841]:    ...done.
  Mär 30 21:10:34 leon-ubuntu systemd[1]: Started LSB: start Winbind daemon.

  The relevant configuration of nsswitch.conf:
  passwd:         compat winbind
  group:          compat winbind
  shadow:         compat

  The relevant configuration of smb.conf:
  [global]
    realm = HOME.LAN
    workgroup = HOME
    security = ADS
    dedicated keytab file = /etc/krb5.keytab
    kerberos method = secrets and keytab
    netbios name = leon-ubuntu
     dns proxy = no
     #idmap uid = 10000-20000
     #idmap gid = 10000-20000
     idmap config *:backend = tdb
     idmap config *:range = 2000-9999
     idmap config HOME:backend = rid
     idmap config HOME:schema_mode = rfc2307
     idmap config HOME:range = 10000-99999
     idmap config HOME:default = yes

     winbind nss info = rfc2307
     winbind trusted domains only = no
     winbind use default domain = yes
     winbind enum users = yes
     winbind enum groups = yes
     winbind refresh tickets = yes
     winbind normalize names = yes
     store dos attributes = yes
     vfs objects = acl_xattr
     map acl inherit = yes

     name resolve order = bcast host lmhosts wins

     template shell = /bin/bash
     template homedir = /home/%U
     client use spnego = yes
     client ntlmv2 auth = yes
     encrypt passwords = yes
     restrict anonymous = 2
     usershare max shares = 100
     usershare allow guests = yes

  The results of the file /run/systemd/generator.late/winbind.service is:
  # Automatically generated by systemd-sysv-generator

  [Unit]
  Documentation=man:systemd-sysv-generator(8)
  SourcePath=/etc/init.d/winbind
  Description=LSB: start Winbind daemon
  Before=shutdown.target
  After=network-online.target
  After=remote-fs.target
  After=systemd-journald-dev-log.socket
  After=samba.service
  Wants=network-online.target
  Conflicts=shutdown.target

  [Service]
  Type=forking
  Restart=no
  TimeoutSec=5min
  IgnoreSIGPIPE=no
  KillMode=process
  GuessMainPID=no
  RemainAfterExit=yes
  ExecStart=/etc/init.d/winbind start
  ExecStop=/etc/init.d/winbind stop

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: winbind 2:4.3.6+dfsg-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
  Uname: Linux 4.4.0-15-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Mar 30 20:58:49 2016
  InstallationDate: Installed on 2016-03-28 (2 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
  RelatedPackageVersions:
   nautilus 1:3.18.4.is.3.14.3-0ubuntu4
   gvfs     1.27.92-1ubuntu1
  SambaClientRegression: Yes
  SourcePackage: samba
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.init.d.winbind: 2016-03-30T20:32:33.668365

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