Ubuntu Networking :: RDesktop Permanent Connection Risks?
Jan 1, 2011
I have successfully setup a connection from Ubuntu 10.10 to Windows XP Pro via rDesktop, which of course was quite easy, but I intend to do permanently setup via my computers on the same connection. Like KVM switch, but what kind of risks or problems could come up? What kind of tweaks could I apply to add extra security? I would like to do a ssh connection between them, but I have had major issues with it in the past. What kind of options do I have?
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Jul 15, 2010
I've happily been using rdesktop to access my MS Vista desktop from Ubuntu (Hardy) for a few months until a couple of days ago when it stopped working. Now if I try connecting I get the following:
[Code]....
I don't believe anything's changed on the client (Ubuntu) side. The Vista box is occasionally connected to a corporate intranet via VPN and it was after such a session that rdesktop stopped working, so perhaps a Windows group policy was modified during the session. I've checked the basics - can ping 10.1.1.2 from Ubuntu, can access port 3389. Have deleted ~/.rdesktop and ~/.tsclient.
Digging around the Vista client I noticed in Control Panel > System Properties > Remote that in the Remote Desktop sub-panel the Allow connections only from computers running Remote Desktop with Network Level Authentication setting is enabled and that the other two are greyed out. Now, I don't know whether this setting has been changed but I suspect that it might be the problem.
Unfortunately, I don't know enough about Windows to know how or even whether I can change this setting to Allow connections from computers running any version of Remote Desktop (less secure) I've poked around the group policy editor (gpedit.msc) but no joy.
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Mar 26, 2009
My Fedora 10 install runs from a single PC, from a single location. I'd like the connection, via wireless, to automatically connect to my home network. Right now, I suspect that NetManager scans all the options first.But that's a waste of time. How do I set things up to skip all that and just grab the only connection that will work?I have NetManager set up to "Auto linksys" with MTU set for "automatic" too. I've Googled around for this, but maybe have missed something. Too often, at login I do NOT connect though the network is available. I suspect there's a way to lock this in that I have not yet discovered...
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May 26, 2010
I've set up a permanent DHCP lease for my MAC address. I did this hoping to resolve the fact that I share my Internet ADSL connection with my wife and my daughter (the latter a great bandwidth hog)!
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Apr 30, 2010
At work we are planning on migrating XP machines to ubuntu, and from there connect via remote desktop to a Windows Server 2008. That part is working perfectly, but our problem now is how to set up ubuntu to "share" the local webcam, so it can be used from the remote session in the server. Going through rdesktop man page there is a redirection option, but doesn't say anything about USB devices.
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May 19, 2010
Whenerver I try to log on to our Windows 2008 R2 server via rdesktop, the window stays at the same small size. I can neither enlarge the window at the borders nor maximize it. Alt+Ctrl+Enter simply gives me the same window-content on the full screen with the rest simply grey.
Is that normal behaviour for rdesktop? Is there an alternative?
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Nov 11, 2010
I have problem with login into Windows 2008 server usning rdesktop 1.6. While I'm connect Windows 2008 host, prompts username and password i get an error: "Wrong username or password" but i'm sure that username and pass are correct (I can connect this server using windows Remote Desktop). My OS is Ubuntu 10.04 64-bit.
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Sep 1, 2011
I was wondering what will happen if I cancel a partition half way through? I am using Ubuntu 8.10 (yes, I know it's outdated) and I am trying to install Windows XP alongside. Turns out GParted is trying to take about 16 hours to complete what I told it to do; shrink the Ubuntu partition to make room for Windows. I have a slight time constraint, and would rather not spend this 16 hours. If I cancel the partitioner right now and completely wipe the disk, will there be any permanent damage to the disk?
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Mar 1, 2010
Using the following command, I can access a windows 2008 server: rdesktop -u myusername -d mydomain -p - -fP -r sound:local -r disk:myhome=/home/myhome serveraddress
connection works fine, and to start with I can see my local disk "\tsclientmyhome" and navigate around + open files. If I try to delete a file or rename a folder, I get an Error 0x8007048F:The device is not connected.
After this, I can no longer access the local disk. It says: "\tsclientmyhome is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions. Attempt to access invalid address." As I understand it, I should be contacting myself about permissions... Can anyone tell me what I need to do on my local ubuntu machine to fix this?
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Mar 22, 2010
The issue i found is that when i connect from ubuntu to windows 2003 server, through rdesktop, using the numeric keypad disables automatically the caps lock setting.To reproduce the problem :
- connect to a windows remote pc through rdesktop
- open notepad
- press caps lock to set the capital letters
[code]....
The result is :
ADKLEFL2390309ajkejkjf
The caps lock has been silently deactivated. Only ubuntu clients are affected by this. I think it's a bug of rdesktop.
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Jul 17, 2010
Are there any security risks I should be aware of if I have Mono installed?
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Feb 4, 2011
I am running Ubuntu 10.10 on a Toshiba Satellite laptop and need to be able to put a permanent link to my other machine (Windows Vista) on the desktop. At the moment I have to go through the Places - Network - Windows - Network Name - Windows Shares - User rigmarole.
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Feb 28, 2011
The IP address I want for the gateway computer is 192.168.1.100 As I have 'sharing' enabled in Network manager, there is no provision there to specify the IP address for eth0. That is, cannot manually set it there. Every time I boot up, the IP address changes to
[Code]...
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Apr 22, 2010
I have installed Fedora 11 and Fedora 8 on two differnt machines and I am doing an rdesktop to connect to a Windows 2003 server. The connectiviy is pretty fast when I try and connect the same from fedora 8 machine but it very slow when I try and connect it from fedora 11 system. I have tried using TS client but even then it is pretty slow. I have also tried using an Nvidia 8400 graphic card and Nvidia 9600 on Fedora11 OS.
I have also tried using Fedora12 OS as well. Is there any thing specific I can check on Fedora11? Or do I need to do some thing on my windows 2003 machine?
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Mar 22, 2009
how to configure rdesktop to connect to a Windows (XP/2003) computer, but going through a Terminal Services Gateway or connecting to a Terminal Services Server through TLS/SSL? The command line options or any on-line documentation I was able to find, omits this entirely. Using the Windows Remote Desktop Client (RDP6) you can configure Terminal Services Gateway connections from the Advanced Tab. I suspect that rdesktop, gnome-rdp, tsclient et el can't do this yet as they support up to RDP5. Currently I am using a WinXP VM to accomplish this, but would like to do this natively on my Linux box.
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Jan 26, 2010
Using Ubuntu which comes with grub 1.97~beta4:
root@voyager:~# grub-install /dev/sda7
grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea.
grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are unreliable and its use is discouraged.
Installation finished. No error reported.
This is the contents of the device map /boot/grub/device.map.
Check if this is correct or not. If any of the lines is incorrect, fix it and re-run the script `grub-install'.
(hd0) /dev/sda
As you can see, the installation goes well, but, why installing grub into a partition instead of MBR is a bad idea? I like to have many distros on my computer, and each one comes with their own menu.lst parameters, which also can change during updates. So it's much more pratical to create an empty partition of 64MB or less, create a /boot/grub there, install into MBR and then chainload into the other partitions.
So if I mess up with any distro, my mbr is still intact. And also if the parameters of grub setup required for a distro changes with any updates on the distro, they keep updated. So for me it is not pratical to have one distro installed on MBR controlling the other ones, having to constantly change my menu.lst. What are the risks of installing GRUB into a partition instead of MBR? Why is this message displayed? Maybe the question goes for why blocklists are unreliable or something like that?
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Oct 10, 2010
I have sent the last 5 hours (it is now 6am) and I am in no mood for lazy know-it-all'sI have returned begging and crawling back to Ubuntu (I waited a day for 10.10 to be released) and I have again stumbled across why I go back to Micro$oft's Windows.All I want to do it have a permanent share to my nas, which is on my Netgear DGND3300.I can reach it by Place -> Network -> Windows Network -> NAKALEEN -> NAS -> USB_Storagebut for the life of me I can't make it permanent. I need it as all my Movies/TV/eBooks are on this.I have followed every and I mean EVERY option I have found on Google with no luck. From the fstab/mount option to the gvfs option (as you can guess both failed)The reason it is *$&^%$^&%$ me off it that Windows can do it with a couple of mouse presses (Map Network drive). Making Ubuntu a joke in this area.
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Jul 19, 2011
Windows computer continually generates images (AutoGrabnnn). All downstream analysis on linux computer. I need analog of rsync bringing files over as they arise. rdesktop seems to be the approach. Is this already described somewhere to bypass much trial-and-error?
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May 1, 2010
I have been successfully creating permanent windows share mounts on Ubuntu since v8.04 by following the instructions in [URL] My fstab file has this line
Code:
//192.168.0.2/office_d /media/office_d cifs credentials=/home/peter/.smbcredentials,dir_mode=0777,file_mode=0777 0 0
which in the past has mounted the windows share without any problems.For some reason this doesn't work anymore. The .smbcredentials file is in the same place it has been since it was created. I have verified that .smbcredentils is in the correct place.In order to find out what the problem might be, I tried
Code:
dmesg | tail
and got the following response
Quote:
[ 18.428245] type=1503 audit(1272697118.037:15): operation="capable" pid=1249 parent=1245 profile="/usr/sbin/cupsd" name="sys_admin"
[ 18.432914] usb 1-1: usbfs: interface 0 claimed by usblp while 'usb' sets config #1
[ 19.516273] CIFS VFS: No username specified
[code]...
I can't pretend that I understand the full message, but it seems to say that it can't find/read the .smbcredentials file and as a result can't mount the share. When I change the code to
Code:
192.168.0.2/office_d /media/office_d cifs username=xxxx,password=xxxx 0 0
where xxxx is my username and password, the share mounts without any problems.I can't work out what I am doing wrong. Has the code changed? For obvious security reasons I don't want to place the username and password in the fstab file where everyone can see it.
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Feb 24, 2010
I'm having some difficulty setting my txpower setting on my atheros wifi card. I am using ath_pci driver on ubuntu 8.1 64 bit. I can set the txpower to whatever, 12dBm for example, it accepts the change but quickly reverts back to a default value of 8dBm. Power saving is off. How can I make these changes permanent, or adjust the default value?
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Dec 9, 2010
I am using Ubuntu 9.10 Desktop Version and the entries did in /etc/resolve.conf all the time it is cleaning as and when i am restarting my systems. How to make is permanent solution to keep all the entries done in /etc/resolve.conf
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Jul 16, 2010
So I was trying to remotely access my XP laptop from my Ubuntu laptop. I read up on tsclient and rdesktop and tried both methods. For example, in the terminal, I typed:
rdesktop <host ip>
However, this came back with the following error:
autoselected keyboard map en-us.
ERROR: <host ip>: unable to connect.
After a bit of internet searching, I found the solution to the keyboard problem. I typed:
rdesktop -k en-us <host ip>
This yielded the following error:
ERROR: <host ip>: unable to connect.
No clarification, no explanation. nothing. Does anyone have any ideas?
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Jan 9, 2010
I'm having problems with vpnc on F12 that work fine on F10 and F11. On F12, I can connect and can do some activities, but so far I noticed the following (show-stopping) issues:Attempting to connect to an Oracle database using either sqlplus or TORa hangs and eventually times out. I tried both the 11G and 10G instant clients.Copying a file to the host via a smb:// mount in nautilus freezes. An empty file is created though.
A rdesktop client opens a "black" window and goes no further. I attempted to downgrade vpnc on my F12 workstation from vpnc-0.5.3-4.fc12.x86_64 to vpnc-0.5.3-3.fc11.x86_64 to no avail. I also downgraded libgcrypt too and this didn't help either. Moreover, I upgraded these to the F13 rawhide version - still no luck.
I also confirmed on a F11 virtual machine that these work and that it doesn't work on 2 x64 and 1 x386 F12 machines. (The configuration and the host are the same in all cases.)
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Mar 6, 2011
Are there risks of data loss when writing on a NTFS using ntfs-3g, and will windows have trouble reading from that system later?
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Apr 3, 2011
I'm trying to create a PAN (Personal Area Network) using a laptop (Siragon ML-1040) and my desktop computer, but I get the Connection Refused (111) error.
Blueman doesn't detect any network service between the two computers unless I start PAND on one of them and then it detects the NAP service. That, only after I enable the NAP/Workgroup services on the Services submenu in Blueman. However, it doesn't work neither with the NM plugins or without them (dhclient and that other one I can't remember the name of).
Any clues over here? I'm using pand 4.91 and blueman.
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Jan 24, 2010
Its a case of ".... wireless network connection active but still not internet connection .."I am using WEP - 128 key ... Works when I connect directly using ethernet cable ... but not wireless (pci and wireless router)
ubuadmin@ubucomputer:~$ ifconfig
wlan0 Link encap:Ethernet HWaddr 00:06:25:12:83:3b
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::206:25ff:fe12:833b/64 Scope:Link[code].....
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Jul 28, 2010
I'm trying to do a SSH connection between my home and work PC both machines are running ubuntu 10.04. I have read all the comunity documentation at [URL] from Work PC. I went on to the web site what is my ip address and noted down the number, From Home i opened a terminal and typed: pnig (ip address). to which their was no reply, now i'm assuming i need to configure the works router to except connection requests, is this Correct?
Also what information do i need from my works network and how do i get it? I understand that I need the routers expernal ip address, but how do i referiance a specified computer after that address? What program do i use in ubunu and how is that information applied to it?
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Jun 11, 2011
My problem is exactly the same as [URL]
but I am stuck at the last hurdle
here are the output of the command that helped to solve the case in the previous post:
ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 00:1b:77:d2:59:55
inet6 addr: fe80::21b:77ff:fed2:5955/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
[Code].....
I have also tried sudo dhclient but it hasn't helped and I am still unable to connect to the internet
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Jul 2, 2010
I'm trying to slim down the ubuntu liveCD using the instructions from the following link: [URL]
My objective is to trim ubuntu down and leave nothing but the ability to do remote desktop and use network-manager to manage the network. Everything else is not important... so no clipboard no sound no 3D no USB... nothing except network and rdesktop with the regular gnome desktop with a panel for the network-manager applet
I managed to trim the final ISO down to 290MB but I need it around 100MB and if possible 50MB.
I do want to keep the ability to do "sudo apt-get install openoffice" in the future though....
[Code]....
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Feb 25, 2011
I am having some problems getting rdesktop working with sound. From what I understand, I should be able to use the following to allow sound support:
Code:
rdesktop -r sound:local [server ip address]
I can see that Windows says that it's outputting sound to a "remote audio", but there is no sound. If I connect to the same server with a windows rdp session, everything seems to work great.
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