|
|
| Line 1: |
Line 1: |
| | The NX protocol aims at offering a stateful desktop session to remote users, like [[VNC]]. The most prominent difference is that NX requires less bandwidth. FreeNX is one implementation of the [[NX]] protocol. | | The NX protocol aims at offering a stateful desktop session to remote users, like [[VNC]]. The most prominent difference is that NX requires less bandwidth. FreeNX is one implementation of the [[NX]] protocol. |
| | | | |
| − | = QuickStart = | + | = SUSE 13.1 = |
| − | In this chapter, the SUSE Linux [[distribution]] is used as example.
| + | This is how I installed a FreeNX server on SUSE 13.1x32 on 2014-07-19: |
| − | | + | * [[open a console]] and enter |
| − | * [[Install]] [[FreeNX]] | |
| − | [[yast]] -i FreeNX
| |
| − | * Setup FreeNX:
| |
| − | nxsetup
| |
| − | : continue as advised. The NX server is started automatically.
| |
| − | * Connect to the NX server
| |
| − | nxclient
| |
| − | You can now log in.
| |
| − | | |
| − | = Trial 2 =
| |
| − | FreeNX server is not available with SUSE 13.1 so I
| |
| | # yast -i expect rdesktop | | # yast -i expect rdesktop |
| | # wget http://download.opensuse.org/repositories/home:/beyerle:/NX/openSUSE_13.1/i586/NX-3.5.0-123.1.i586.rpm | | # wget http://download.opensuse.org/repositories/home:/beyerle:/NX/openSUSE_13.1/i586/NX-3.5.0-123.1.i586.rpm |
| Line 23: |
Line 12: |
| | * set it up | | * set it up |
| | # nxsetup --setup-nomachine-key | | # nxsetup --setup-nomachine-key |
| − |
| |
| − | now qtnx asks me for a password but I don't know which one
| |
| − |
| |
| − | but ps -Hef helps:
| |
| − | root 4173 3692 3 06:17 pts/4 00:00:00 qtnx
| |
| − | root 4174 4173 0 06:17 pts/4 00:00:00 ssh -p22 -iid.key nx@localhost -x -2 -oRhostsAuthentication no -
| |
| − |
| |
| − | cat /etc/shadow delivers
| |
| − | nx:*:16220::::::
| |
| − |
| |
| − | = Trial 3 =
| |
| − | # wget http://download.opensuse.org/repositories/home:/beyerle:/NX/openSUSE_13.1/x86_64/FreeNX-0.7.3-7.1.x86_64.rpm http://download.opensuse.org/repositories/home:/beyerle:/NX/openSUSE_13.1/x86_64/NX-3.5.0-123.1.x86_64.rpm
| |
| − | # yast -i rdesktop libpixman-1-0-devel libpng16-devel fontconfig-devel Mesa-libEGL-devel Mesa-libEGL-devel-32bit fontconfig-devel-32bit freetype2-devel-32bit fontconfig-32bit libxrender-devel-32bit Mesa-libGL-devel-32bit libpixman-1-0-32bit libgobject-2_0-0-32bit libxcb-render-0-32bit libxcb-shm0-32bit cairo-devel cairo-tools cairo-devel-32bit
| |
| − | # nxserver --status
| |
| − | No such user name: nx
| |
| − | NX> 100 NXSERVER - Version 3.2.0-73 OS (GPL, using backend: not detected)
| |
| − | NX> 110 NX Server is stopped
| |
| − | NX> 999 Bye
| |
| − | # nxserver --start
| |
| − | No such user name: nx
| |
| − | NX> 100 NXSERVER - Version 3.2.0-73 OS (GPL, using backend: not detected)
| |
| − | mv: cannot stat ‘/var/lib/nxserver/home/.ssh/authorized_keys.disabled’: No such file or directory
| |
| − | NX> 122 Service started
| |
| − | NX> 999 Bye
| |
| − | tweedleburg:~ # mkdir -p /var/lib/nxserver
| |
| − | tweedleburg:~ # useradd -m -d /var/lib/nxserver/home/ nx
| |
| − |
| |
| − | Now I get
| |
| − | <pre>
| |
| − | NX> 203 NXSSH running with pid: 16802
| |
| − | NX> 285 Enabling check on switch command
| |
| − | NX> 285 Enabling skip of SSH config files
| |
| − | NX> 285 Setting the preferred NX options
| |
| − | NX> 200 Connected to address: 127.0.0.1 on port: 22
| |
| − | NX> 202 Authenticating user: nx
| |
| − | NX> 208 Using auth method: publickey
| |
| − | NX> 204 Authentication failed.
| |
| − | </pre>
| |
| − |
| |
| − | Quickly installed everything so nxssh does not return an error.
| |
| − |
| |
| − | Now in /root/.nx/temp/3397 I find the logs. runlog says
| |
| − | [Tue Jul 15 14:59:52 2014]: LoginDialog::connectHost() nxsshline=/usr/NX/bin/nxssh -nx -p 22 -i /root/.nx/temp/3397/keylog nx@localhost -x -2 -4 -o RhostsAuthentication no -o PasswordAuthentication no -o RSAAuthentication no -o RhostsRSAAuthentication no -o PubkeyAuthentication yes -B -E
| |
| − |
| |
| − | <pre>
| |
| − | tweedleburg:~/.nx/temp/10416 # /usr/NX/bin/nxssh -nx -p 22 -i /root/.nx/temp/10416/keylog nx@localhost -x -2 -4 -o RhostsAuthentication no -o PasswordAuthentication no -o RSAAuthentication no -o RhostsRSAAuthentication no -o PubkeyAuthentication yes -B -E
| |
| − | NX> 203 NXSSH running with pid: 10937
| |
| − | NX> 200 Connected to address: 127.0.0.1 on port: 22
| |
| − | NX> 202 Authenticating user: nx
| |
| − | NX> 208 Using auth method: publickey
| |
| − | NX> 204 Authentication failed.
| |
| − | tweedleburg:~/.nx/temp/10416 # /usr/NX/bin/nxssh -nx -p 22 nx@localhost -x -2 -4 -o RhostsAuthentication no -o PasswordAuthentication no -o RSAAuthentication no -o RhostsRSAAuthentication no -o PubkeyAuthentication yes -B -E
| |
| − | NX> 203 NXSSH running with pid: 10942
| |
| − | NX> 200 Connected to address: 127.0.0.1 on port: 22
| |
| − | NX> 202 Authenticating user: nx
| |
| − | NX> 208 Using auth method: publickey
| |
| − | HELLO NXSERVER - Version 3.2.0-73 OS (GPL, using backend: 3.5.0)
| |
| − | NX> 105
| |
| − | </pre>
| |
| − |
| |
| − |
| |
| − |
| |
| − | cp /root/.ssh/id_dsa /usr/NX/share/keys/server.id_dsa.key
| |
| − |
| |
| − | = Trial 4: SUSE 12.3 =
| |
| − | * download all files from http://download.opensuse.org/repositories/home:/beyerle:/NX/openSUSE_12.3/x86_64/
| |
| − | # rpm -Uvh cairo-devel-1.12.14-5.1.x86_64.rpm libcairo-gobject2-1.12.14-5.1.x86_64.rpm libcairo-script-interpreter2-1.12.14-5.1.x86_64.rpm libcairo2-1.12.14-5.1.x86_64.rpm
| |
| − | # rpm -Uvh NX-3.5.0-123.1.x86_64.rpm FreeNX-0.7.3-7.1.x86_64.rpm
| |
| − |
| |
| − | /var/lib/nxserver/home/.ssh # cat /var/NX/nx/.ssh/default.id_dsa.pub >> authorized_keys
| |
| − |
| |
| − |
| |
| − |
| |
| − | <pre>
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # nxserver --stop
| |
| − | No processes found.
| |
| − | NX> 100 NXSERVER - Version 3.2.0-73 OS (GPL, using backend: 3.5.0)
| |
| − | NX> 123 Service stopped
| |
| − | NX> 999 Bye
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # nxserver --status
| |
| − | No processes found.
| |
| − | NX> 100 NXSERVER - Version 3.2.0-73 OS (GPL, using backend: 3.5.0)
| |
| − | NX> 110 NX Server is stopped
| |
| − | NX> 999 Bye
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # cp /root/.ssh/id_dsa /usr/NX/share/keys/server.id_dsa.key
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # ssh -i /usr/NX/share/keys/server.id_dsa.key nx@localhost
| |
| − | Password:
| |
| − |
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # cat /root/.ssh/id_dsa.pub > /home/nx/.ssh/authorized_keys
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # nxserver --start
| |
| − | No processes found.
| |
| − | NX> 100 NXSERVER - Version 3.2.0-73 OS (GPL, using backend: 3.5.0)
| |
| − | NX> 122 Service started
| |
| − | NX> 999 Bye
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # nxserver --status
| |
| − | No processes found.
| |
| − | NX> 100 NXSERVER - Version 3.2.0-73 OS (GPL, using backend: 3.5.0)
| |
| − | NX> 110 NX Server is running
| |
| − | NX> 999 Bye
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # ssh -i /usr/NX/share/keys/server.id_dsa.key nx@localhost
| |
| − | Last failed login: Wed Jul 16 17:47:40 CEST 2014 from localhost on ssh:notty
| |
| − | There were 23 failed login attempts since the last successful login.
| |
| − | Have a lot of fun...
| |
| − | /usr/bin/xauth: file /home/nx/.Xauthority does not exist
| |
| − | nx@ls3523:~> exit
| |
| − | logout
| |
| − | Connection to localhost closed.
| |
| − | ls3523:/var/lib/nxserver/home/.ssh # /usr/NX/bin/nxssh -nx -p 22 -i /root/.nx/temp/10398/keylog nx@localhost -x -2 -4 -o RhostsAuthentication no -o PasswordAuthentication no -o RSAAuthentication no -o RhostsRSAAuthentication no -o PubkeyAuthentication yes -B -E
| |
| − | NX> 203 NXSSH running with pid: 11380
| |
| − | NX> 200 Connected to address: 127.0.0.1 on port: 22
| |
| − | NX> 202 Authenticating user: nx
| |
| − | NX> 208 Using auth method: publickey
| |
| − | bash: no: command not found
| |
| − | </pre>
| |
| − |
| |
| − | /var/lib/nxserver # mkdir -p db/closed
| |
| − | /var/lib/nxserver # mkdir -p db/failed
| |
| − | /var/lib/nxserver # chown -R nx db/
| |
| − |
| |
| − | = Trial 5: Fedora 20 =
| |
| − | yum install freenx-server
| |
| − | yum install nxagent
| |
| − | nxsetup
| |
| − | * made sure nx can log in via ssh without key from root
| |
| − | * changed nx config file to contain root's private key
| |
| − | * login worked
| |
| − |
| |
| − | = Trial 6: SUSE 13.1x32 =
| |
| − |
| |
| − | = TroubleShooting =
| |
| − | * starting the nxagent, you get
| |
| − | /usr/NX/bin/nxagent: error while loading shared libraries: libXcomp.so.3: cannot open shared object file: No such file or directory
| |
| − | : Download nxcomp from http://software.opensuse.org/package/libXcomp3 and [[install]] it.
| |
| − |
| |
| − | * during nxsetup, you get
| |
| − | strings: '/usr/bin/nxagent': No such file
| |
| − | Error: Could not find 1.5.0 or 2.[01].0 version string in nxagent. NX 1.5.0 or 2.[01].0 backend is needed for this version of FreeNX.
| |
| − | : copy /usr/NX/bin/nxagent to /usr/bin
| |
| − |
| |
| − | * The connection fails during the "Negotiating link parameters" step.
| |
| − | : Stop the [[fireWall]] on the target computer.
| |
| − |
| |
| − | * The connection fails after the "Authentication completed" step.
| |
| − | you get an error message like that:
| |
| − | NX> 1004 Error: NX Agent exited with exit status 1.
| |
| − | Can't open /var/lib/nxserver/db/running/sessionId{CBE6C1DE8281C9A77A5F72F05947EE1F}: No such file or directory.
| |
| − | mv: cannot stat `/var/lib/nxserver/db/running/sessionId{CBE6C1DE8281C9A77A5F72F05947EE1F}': No such file or directory
| |
| − | : Possible workaround: re-install the NX server
| |
| − |
| |
| − | * You get an error when logging in
| |
| − | : Test the connection using [[ssh]], there may be no lines of text sent when logging in. So, e.g. not
| |
| − | hello world
| |
| − | $
| |
