Ubuntu Servers :: VNC To Ubuntu Server When Not Logged In?
Jul 28, 2010
but I have a few Ubuntu server's that are Headless, and rather than walking to the server room with a display i thought, id rather push for a good challenge..So I would like to know how to remotely login to these Server's Desktop environments. not necessarily with more than one user at a time. just need to login to the machine's via VNC or RDC preferably VNC I do my admin work with Apple Remote Desktop. but I have RDC as well..
I set these systems up for my IT Department... and I need them to be super easy to access for the rest of my team. ( I am the only one aside from or Director privy to using the command line ) so in order to make it possible for normal humansI'm installing the desktop enjoyment on each of them now. but..From what I have found in my previous Linux adventures - it is not possible to VNC to system that is not already logged in, in other words if the machine is booted, but at the login window.. I have never been able to connect via VNC, I am only able to do this once the machine is physically logged in to it's desktop nvironment once that has happened I am able to connect with VNC, but,, something tells me this is possible - this is something I do on a regular basis with my OSX server's - and with RDC to manage my active directory server
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Feb 1, 2011
I'm a total Linux noob, but I've needed a working development server for a while so I've put together an old celeron box running Ubuntu Server 10.10.The box runs fine, as does the Apache and MySQL servers, even if they did take a little while to fine tune!The problem I have is that vsftpd doesn't respond unless I'm logged on locally or via putty. As long as a local user is logged in, it's fine. If I try to connect when noone is logged in, then the connection times out waiting for the server message, and thereafter I have to login and stop / restart the vsftpd to make it work again.I'm not sure if the vsftpd is set to run on boot or on login and I have no idea how to check. Vsftpd is set to allow only local users, of which there is only one - so I can't check if it would work with any user logged in
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Feb 27, 2011
logging in a server through putty in the same network when i executed last command its showing system ip logged in time and logged out time the output as followsthis is my system
oot pts1 xx.xx.xx day month date time in time out timeand similarly am geeting other than this likeroot :0day month date time still logged in this is from more than 3 days its logged in
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Feb 5, 2011
I have the system setup and working, but I want to put it in a corner and forget about it. Problem is, nothing starts running unless I'm logged in. And if I log out, everything stops again.It's running a LAMP server and has VNC and SSH servers as well. I want all of that to start without having to log in. That way I can remote reboot without worries and connect and login with either VNC or SSH.Everything seems to have an entry in /etc/init.dIs the way it's acting normal behavior? It's a fresh install, then I installed everything I needed from the repos.
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May 28, 2010
how to bind a script to a F key (F12) that will run as root even when not logged in. I have a headless server on client premises where it'd be easier for them to press F12 to run this script that will be rarely needed than to give them SSH instructions etc. I know this must be do-able, but I can't get my Google-fu on for this question. The only way that I can possibly think of doing it is to touch a file whenever that key is pressed and have the script idly checking for that file every few seconds in a loop.
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Oct 22, 2010
As far as I understand ssh runs on port 22 but in my /var/log/auth.log I see
Quote:
why is this logged 48504 different than ssh port 22?
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Dec 1, 2010
After a battle with Ubuntu, Django, Apache and wsgi i could reach the website i set up from another computer via ip-adress (10.37.129.6). i then restarted the server and after booting tried to access the website from outside - permission to / denied with the usual 403 error. trying to fix that, i logged in to the server and suddenly the website was available again. typed logout on the server - no access wt. 403. logged in - website can be accessed.i somehow suspect this is some strange permission problem, but i don't have a clue where to start searching. errorlogs just contain information that a / access request has been denied.
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Feb 18, 2011
the apche2.conf and vhost file I gave the link are the machine on LAN when site is actually hosted.When some one from internet access the site then I expect a log of IP in access.log instead of which I see the IP of machine which is working as Reverse Proxy server for all such requests.What mistake did I do above.
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Jul 12, 2010
How can I (as admin) find out when a certain user e.g. "karl" most recently logged in and most recently logged out of a system?
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Feb 24, 2011
I want to backup some data on my Fedora box to a external Hard Disk (USB). I mounted the external HD on my box. I wrote a bash script to do that and I scheduled a cronjob to execute the script. When I am online the script executes as planned. However when I am logged out the copy does not work. I also tested this with a cifs mount (via fstab) and that does not work either. I set the script to generate some output at the end and that is OK so the script does run when I am offline. I suppose the mounted locations are not reachable while logged out, is that correct? Is there a workaround so I can reach the mounted locations while logged out?
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Mar 23, 2010
I am facing login issues when i try to login as admin using phpldapadmin into ldap server. Installed phpldapadmin for administering ldap server from the repository:
1)[url]
2)yum install phpldapadmin
Able to see the default phpldapadmin login page.
ldapadmin throws the error as "Bad username/password.Please try again"
But when i login as anonymous i am able to login but the web page asks whether to create the root domain?
whether anything needs to be done for making it login as admin.
The details of my set up are as follows:
My slapd configuration:
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Dec 21, 2010
I setup logging in through putty client with keys, and password disabled, could log in from all machines on my network (xp and 7) with putty.When I finished hut down the server.Today I turned on the server box and thought I'd try logging in through putty. It kept telling me the server was rejecting my key.I plugged in a monitor and keyboard into the server and logged in via password then had no problem logging in through putty client.Question is, every time I shut the server down do I have to plug in the monitor and keyboard, then login, to be able to login remotely?
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Sep 4, 2010
Possible Duplicate: Automatically start VNC server on startup I have a Linux server at home, and by default no-one is logged in to that box. I'd like to establish a remote desktop connection to it with VNC but this fails, unless I log in first physically. It's strange to me that VNC Viewer doesn't even ask for credentials, it just displays a "connection refused" error message. What's the best way to do this? I'm running Ubuntu 10.04 on the server.
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Nov 3, 2010
I have scripted this code to ssh into my remote server and log back some info.
Quote:
import sys, os, re, optparse, traceback, types, time, getpass
import pexpect, pxssh
import readline, atexit
begin = time.time()
os.system('nc -l 2222 > log%s &' %begin)
time.sleep(50)
child = pexpect.spawn ('ssh david@192.168.0.14')
child.expect ('password:')
[Code]...
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Nov 25, 2010
I'm trying to install phpMyAdmin on my Ubuntu 10.10 server. I type the following command (I don't use "sudo" because I'm logged in as root, I know its not safe):
Quote: apt-get install phpmyadmin and go through the installation. I allow the installation to configure the database, and I chose the correct server (Apache2), when it asks for passwords, I use the same password that I use for the rest of the server (i.e. it is the account password for root, sudo, and my account). Once the installation is complete, I try and access it from a computer on the same network. I type "http://***.***.*.*/phpmyadmin" and I get the message saying the directory isn't there. I go into Webmin to confirm that the directory isn't there, and it isn't.
My questions are (1) Why isn't the phpmyadmin directory in my Apache Server root? (2) Is it installed with apt-get, if so, where? (3) How do I know what server I selected for it to install to? (4) What do I need to do to get it to install correctly?
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Feb 11, 2011
I was running 10.04 LTS and had decided to stick to the LTS versions as I'm now running my machine as a server and don't want to be updating regularly.Every time I logged in via SSH I got a message telling me there where packages to update including a security update. So I did a search to find out how to perform an update on Ubuntu server from the command line.What I found was to do this:sudo apt-get updatesudo apt-get dist-upgradeAfter doing that I rebooted but now my machine gives me this message:
init: ureadahead-other main process (794) terminated with status 4Your disk drives are being checked for errors, this may take some timePress C to cancel all checks currently inprogressI'm not pressing C yet and leaving it alone to finish, but I noticed when the machine booted that one of the options for booting talked about Ubuntu 10.10, so I'm worried that I've updated from 10.04 LTS to 10.10 by accident?
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Nov 1, 2010
I try to write a script which would kill processes of users who are not logged in. My approach is to find out what users are logged in and then kill processes of all nonsystem users who fail the test of being logged. I use `w` for finding all logged in users, but apparently there are users on the list which `w` gives me who own absolutely no process in the output of `ps aux`. How do I log off those users, since killing their processes wont work (since they own no processes)?
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Sep 6, 2010
Been using CentOS for a couple of weeks and have a few quirks I need help with.
This is a fresh install of CentOS 5.5. I'd love for VNC Server to start up as soon as the computer reboots. It seems my VNC Server only works when I log in using the GUI at the computer itself. After a reboot I can remotely SSH into it successfully, but cannot VNC to it. I then have to physically get to the computer and log into the GUI, and wa-la I can VNC to it. I have not edited any conf files - seeing as my last attempt at getting this working got me nowhere. I have only enabled Remote Desktop through the GUI.
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Mar 4, 2011
I recently installed FC14 as my server and is able to ssh and vnc into the server when locally logged in. If i logged out (at login screen) then i cant ssh or vnc into the server. It is pointless to have a server if i am not able to remote in via ssh and vnc.
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Jul 31, 2010
When I'm logged on to another host (e.g via ssh), how do I connect to the XServer of that machine (same user is logged in and is running a desktop (gnome))?
You may ask way I wish to do that: There are commands that don't open an X-Window, e.g. xinput, xhost, etc.. and there are situations where you want to run them from remote.
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Mar 23, 2011
We have one ftp server. Number of users are using it remotly. My requirement is that suppose any user is not connecting to the server using FTP for 15 days then account should get expired/locked automatically. Is it possible?
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Jan 30, 2011
My University gives us access to a Linux server, named stud1.
Code:
me@stud1:~$ uname -a
Linux stud1.some.univ.ac 2.6.9-89.31.1.ELsmp #1 SMP Mon Oct 4 21:41:59 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
Apparently I was logged in, and never logged out sometime:
Code:
me@stud1:~$ who
<snip>
me pts/37 Jan 30 13:27 (6.6.66.66)
<snip>
me pts/58 Dec 30 19:13
but when trying to find out why I'm still logged in, I can't find it:
Code:
me@stud1:~$ ps faux |grep me
root 30030 0.0 0.0 51128 4360 ? Ss 13:27 0:00 \_ sshd: me [priv]
me 30033 0.0 0.0 51132 2336 ? S 13:27 0:00 \_ sshd: me@pts/37
[code]....
how can I logout this unused session?
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Nov 24, 2009
I am running a mail server with combination of dovecot,sendmail and squirremail as web client. I want to change the password of the user if he/she not logged in for 21 days.
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Dec 15, 2008
How i would find out who has logged in to my server using the root login, does it store a log anywhere. im running fedora core 4.
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Aug 6, 2010
I am looking for the syntax for a sendmail ruleset to log the message subject to the syslog service. I have found a few posts on the web, but none seem to work. The basic appear to be - add the following to the sendmail.mc file then compile the sendmail.cf file using M4. The syntax suggested follows (I believe the rewrite rule is incorrect)(I and using <T> to indicate tabs):
LOCAL_CONFIC
Klog syslog
HSubject:<T>$>Check_Subject
LOCAL_RULESETS
SCheck_Subject
R$*<T>$:<T>$(log Subject=$1<T>$)<T>$1
sendmail.cf compiles and when used as the config file for sendmail - everything appears to work, but no subject is logged.
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Mar 1, 2011
We have 4 servers having rhel 5.2. We have several users logged in on one of them. We have nis server/client running on them and have common home area mounted on all of them. Now we want to disable/block the accounts of the users who have not accessed our servers in last 2 months from today.What logic should we apply to do so? We were checking stat of .bashrc of each user but is not correct logic. We are going to write shell script for the same. We dont want to do anything in users home area or their files.
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Oct 22, 2010
On my server I some times login from my home where I have an internet connection which does not have a static IP each time I switch on my modem a dynamic IP isgenerated.I see in auth.log logs of following lines Quote:reverse mapping checking getaddrinfo forkkts-kk-dynamic-01.1.168.192.some_broadband.in [192.168.1.2] failed - POSSIBLE BREAK-IN ATTEMPT Accepted publickey for root from 192.168.1.2 port 22852 ssh2when ever I login to my server from home.In this case I do know that it was me who logged in but still why do I see such a log.What is this complaining about?
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Apr 11, 2011
status is httpd dead but pid file exists ang logged caught SIGTERM, shutting down.
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May 10, 2010
i found this video, and i really want to do the same. *newbie needs to learn [URL]...my question is, what need to be installed and how?
is there any specific configuration to make it works?
and will it work if i want to connect from Ubuntu to Fedora ?
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Apr 1, 2011
I'm curious if anybody can shed some light for me in this department. We're in a large environment with a Windows DHCP Server. We have been tinkering with LTSP on Edubuntu as thin and fat clients. It works great, but right now we just have 1 server handling the lab, which works fine unless we want to expand, which may be very possible.
These are the instructions I received:
Login to your windows server and load the DHCP configuration screen
Create a DHCP reservation for the MAC address you obtained
Add the configuration options below to enable the machine to boot from the LTSP server
017 Root Path: /opt/ltsp/i386
066 Boot Server Host Name: <ip address>
067 Bootfile Name: ltsp/arch/pxelinux.0 # Specify CPU architecture in place of 'arch', for instance 'i386'
From: [url]
I'm curious, what if I want to have multiple Ubuntu servers on the network that I want to have bootable? For example, let's say I have 3 labs, and 3 servers. Server A to Lab A, Server B to Lab B, and Server C to Lab C. I want all C's computers to boot to C, and B to B, A to A, etc.
1 - How would I add multiple entries on the Windows DHCP Server to allow all 3 (A B C) servers to boot?
2 - How would I be able to isolate the clients so ONLY Lab A clients boot to Server A, etc?
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