Ubuntu :: Activate A VPN Tunnel Through Ssl, The VPN Server Starts Up "Adito" Agent?
Jul 25, 2010
Working with Amahi server and the VPN app. WHenever I want to activate a VPN tunnel thru ssl, the VPN server starts up "Adito" agent. Normally in Windows, the agent pops up with a browser and basically lets you surf inside the VPN.But when I use my Ubuntu, it says it's starting teh agent and then it just sits there and stalls out with failed to sync.I checked the logs and this is all I got:
p kernel: [29491.039030] type=1503 audit(1280097273.298:147): operation="file_mmap" pid=8323 parent=8320 profile="/usr/lib/firefox-3.6.7/firefox-*bin//firefox_java" requested_mask="mr::" denied_mask="m::" fsuid=1000 ouid=1000
[code]....
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May 21, 2010
this is an error in java not knowing its classpath. IANAP, and could use some help in resolving this.I've followed the instructions available at various sites, and the installation went fine.When I start the service I get the following in the wrapper.log:
Code:
root@twin:/etc# service adito console
Running Adito...
[code]....
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Jul 28, 2010
I just did a clean install and ran system-config-network from command line to fix my IP settings. Everything works but when I reboot, my NIC is gone from #ifconfig -a
I have to login to the GUI and go to System --> Administration --> Network --> "Click on my NIC" --> check the box that says "Activate device when computer starts"
Once this box is checked, everything works fine. - I have turned off NetworkManager and just use the network service to manage my ip settings.
I was wondering if this "Activate device when computer starts" can be done through the command line without having to access the GUI?
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Jan 4, 2011
I am trying to monitor server throughput with a centralized ntop instance running as NetFlow aggregator and various NetFlow probes (nProbe, fprobe) on the Servers.ntop shows the probe as NIC correctly and receives the data, but it only shows one Host under "Hosts", which is the server itself. I expected to see a host list just like it is shown when running ntop locally (i.e. the server ntop runs on and every host he contacted separately). This happens both when using nProbe and fprobe. Have I misunderstood the concept of NetFlow Aggregation or am I using ntop/nprobe wrong?
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Apr 14, 2011
We have to install centos 5.5 in approx 60 servers and we want to have a server in which we can create an image of 1 server and deploy it on all other severs through pxe. Mainly all servers will be having raid 5 or raid 1 configured. So the utility should be having the raid support.
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Feb 25, 2010
Alright, I've been trying to get this fixed on my own, but I think I am missing a fundamental principle and no amount of scripts or hacks is gonna take place of that. I have adito/OpenVPN installed on my media center. It runs fine and I can access adito in my internal network from other computers just fine. But, the whole point is I want to be able to access it remotely!
Now, I had previously made a run at an external FTP site and failed miserably at that, and I think its all coming down to me not knowing how to configure my own router. I have a Netgear router, I can log into it and under Router status I can get what looks to be my routers external IP address. But if I try to access it at https://XXX.XXX.XXX.XXX:4433 (didn't want to use the default port, 443) I get nothing.
So, my main problems as I understand them are:
1)I need to clear the firewall on my router to allow traffic in/out of my reserved port
2)I need to forward incoming requests on that port to the static internal IP of my media center
3)I really would like a more reliable way to verify the info im getting from my routers admin settings page is actually my external IP, is there a command for this or a website that will tell me?
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Jun 21, 2011
I try to configure nagios server in my network. In nagios server I need to configure sendmail rely agent. I configured sendmail like given below
Code:
dnl #DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
define(`SMART_HOST', `mail.mydomain.com')dnl
define(`RELAY_MAILER_ARGS', `TCP $h 25')dnl
define(`ESMTP_MAILER_ARGS', `TCP $h 25')dnl
[code].....
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Dec 7, 2010
I have tripwire enterprise (not open source) agent running on one of my rhel4.8 web servers (I have actually tried with two servers with same results). The agent is a simple install rpm bin file and appears to be running as it should and the server for tripwire enterprise is set up accordingly. A windows tripwire enterprise agent is also on a windows machine that works perfectly well. But I cannot seem to get the tripwire server to talk to the agent on the red hat machine.
I can connect to port 9898 on the server, but the agent who also talks over the same port doesn't appear to be responding to the server on this port. There are no iptables set up to block the requests, there is no firewall set up (disabled) . Network team can see the packet requests being sent over the routers fine... So can't see why there would be a problem. So i reverted to the use of net cat.
Nc -l 9898 (on the agent machine)
Telnet <agent> 9898
But I get connection refused. Is there anything I could be missing here? Redhat is not my Linux of preference and it may be something obvious!
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Mar 1, 2010
I'm using Postgresql 8.4.2-2. I'm trying to remote into my server securely. I figure I could do so with ssh. Apparently I figured correctly, as per, [URL] and [URL] I setup the ssh tunnel. ssh -L 5432:serverip:5432 Then I setup pgadmin3 to connect as follows:
host: localhost
port: 5432
user: postgres
maintenance db: postgres
And I receive the following error:
An error has occurred: Quote: An error has occurred: Error connecting to the server: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request.
I'm not sure what the problem is. I can connect with Code: psql from the cli after connecting to the terminal via ssh. So I know that I'm using the correct password.
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Jan 11, 2011
Does anyone know the best and simplest way to do this? I'd like the share to be mounted over the tunnel on boot with as little scripting as possible and be as secure as possible without exposing more than one port to the outside. I will be trying this method: [URL]... once the tunnel is established and 'always on' NFS would take care of the file system mount obviously. Lots of the information I have been reading is not up to date it seems. Does anyone have any experience with this?
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Jul 19, 2011
I use two Ubuntu machines, one at home and one at work. In order to connect to the machine at work from home I need to connect through a "tunnel server" that controls all the traffic to the machines at work.I am able to connect with ssh to the tunnel server and from the tunnel server ssh my own machine at work. My question is how do I retrieve files form my work machine to the home machine. How do I sync folders between the machines using rsync when the "tunnel server" is in between?
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Jul 7, 2010
I'm working remotely at the minute, but have several 'incoming' automatic reverse shells connecting to a dedicated server. This dedicated server does not have X, but several of the 'incoming' shell servers do. Basically, take three machines, laptop, server, client. Laptop and client have X, server does not. All three machines have password-less logins to each other (laptop > server, server > client) and can password-lessly establish a shell.
I've tried ssh -X user@server "ssh -X user@client gui-application" and, no suprise, I'm getting 'Cannot open Display" messages. Does anyone know I nice one-liner for this kind of tunnelling?
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Jan 15, 2010
I'm trying to tunnel and SSH connection through another server.for the tunnel is ran:ssh -L 8112:yy.yy.yy.yy:22 -N user@xx.xx.xx.xxBut when I try to ssh to localhost -p8112 I get an immediate error saying "exited: remote closed the connection
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Apr 5, 2010
I am building up a site-to-site OpenVPN tunnel between two locations. I am setting this up in two CentOS 5.4 boxes each containing two NIC's. I can get the tunnel up and running, and I can ping across the tunnel, however, from the client end of the tunnel I can not ping anything behind the server end of the tunnel. In other words, I can't ping anything on the server's LAN. On both servers, eth0 is the WAN side and eth1 is the LAN side.
OpenVPN server:
eth1 - 10.10.202.2/24
OpenVPN client-server:
eth1 - 192.168.204.1/24
I have IP forwarding enabled in the kernel on both machines.
Code:
[root@vpn01 openvpn]# cat /proc/sys/net/ipv4/ip_forward
[Code]...
I'm sure that the answer is right in front of me, but I can't seem to get it cleared up. I can't hit anything on the 192.168.1.0/24, 192.168.2.0/24, 10.10.4.0 or 10.10.202.0 networks from the client server.
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Mar 12, 2011
I need a to allow a user to tunnel an ssh session but disallow them a bash shell. # chsh -s /sbin/nologin {username} won't cut it...? would permissions be the way to go with it? But how? Setup a group and add the user to that group? Or add all other users to that group... I'm confused
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Jul 9, 2010
I am trying to have the SSH tunnel Remote forwarding command in a shell script. I should be able to do 2 tasks, but unable to get that going.1) I have 3 servers Server 1, Server 2, Server 3.I have my Database running on Server 1 and my script running on Server 2 which should be able to do port forwarding from Server 1 to Server 3.so for example on Server 2ssh -i $ssh_key -R 9000:Server1:3333 root@Server2.
I need to be able to stick this in a shell script something like
getTunnel()
{
[code]...
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Mar 18, 2010
I currently have a gui running on port 8000 on some of my remote servers, unfortunately i do not control the firewall so can not open that outbound port to access it from hereIs there a way with an ssh tunnel to redirect that to another port so i can access it from here?
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May 20, 2010
I'm currently tunnelling to my Ubuntu pc at home from my laptop in order to bypass my schools false-positive prone filter. Is there a way to record traffic that both comes to and is delivered by my pc?
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Jan 4, 2010
The title pretty much says it all. Once I get past GRUB, the font becomes HUGE and starts off screen. It appears to be center zoomed because I cannot see the login prompt nor anything I type. It's not really an emergency, I installed OpenSSH during the OS installation and can just turn it on and log in over SSH or start up Webmin. It just bugs me that I cannot figure this out.
There is no graphical environment installed, so it's not a video card issue. I tried adding vga=ask as a kernel flag and then tried several options, but to no avail.
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Feb 28, 2011
We have following setup,
1. Webserver (Centos 5.5)
2. Mail server (Centos 5.5)
We have configured autossh successfully to create/manage the ssh tunnel into mail server in order to dump all emails to localhost port.
To auto start autossh in boot time we have included following into /etc/rc.d/rc.local,
Quote:
So whenever our web application wants to send out emails it dump all emails to localhost:33465 port, easy piecy, all are working great
Now we have a requirement that logwatch reports should get delivered via the same ssh tunnel rather than installing postfix and configuring as a relay.
In logwatch is there a way to achieve that?
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Jun 7, 2011
When i try to open a connection to start querying i get this message:
Cannot Connect to Database Server
Cannot start SSH tunnel manager
1 Check that mysql is running on server 127.0.0.1
2 Check that mysql is running on port 3306 (note: 3306 is the default, but this can be changed)
3 Check the root has rights to connect to 127.0.0.1 from your address (mysql rights define what clients can connect to the server and from which machines)
4 Make sure you are both providing a password if needed and using the correct password for 127.0.0.1 connecting from the host address you're connecting from
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Feb 26, 2010
I have a machine running karmic server and it will not let me mount a USB drive unless I go throught the terminal process of mounting the drive. How to activate automount on a server edition. My workstations do it automatically, why can't my server?
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Aug 4, 2010
I installed OpenVPN and gadmin-openvpn-server from the repos and I can't seem to activate the openvpn server in the gui. I have the server certificate generated, and all the information on encryption protocols setup, and accounts named and ready, despite accounts that were already there, such as www-data, bind, ossec, etc being listed. The server log states:
PLUGIN_INIT: could not load plugin shared object /usr/lib/openvpn-pam-auth.so: /usr/lib/openvpn/openvpn-pam-auth.so: cannot open shared object file: No such file or directory.
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Aug 25, 2009
After install rhel 5.1 is there any way to activate rhn support.because at the time of insatalltion have choosed i will do it later.
now i have to take the updates from redhat server.
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Jan 10, 2010
I have installed Slackware13, it is awesome.but I have couple of issues,I need to install adobe flash plugins to my firefox browser, the automatic install option failed for no reason and gave me manual option. I have downloaded tar extension file and don't know what to do next.
My package update manager is not working when I choose that option, it says smart manager need to be installed, not sure how it install it.while installing what kind of packages I can select for slackware e.g debian type, rpm type etc.How to activate ssh server?
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Mar 29, 2010
the server is restarting once the syslogd restart. I checked the /var/log/ message.
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Jan 17, 2010
I wrote a small script :
#cat myscript.sh
NEWFILE=dojas.sh
touch $NEWFILE
in that script I create some alias commands an pipe them to a new shell script (called dojas.sh) however after execution of that script , I do not see the aliases jan1 and jan2 in my terminal. Even if I execute the dojas.sh srcipt manually , I do not see the aliases in the alias output of my terminal. The only way I can make the aliases active is do the following : cat dojas.sh copy and paste the alias rules, and they are active in my session. How can I make sure that I can activate aliases and they are active in my terminal from a script ?
Note : I am not interested in .bashrc file, I want them to be active in my current session.
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May 6, 2009
I have installed apache on my linux server successfully but just found out that i needed to secure my apache server with SSL. When installing apache I didn't do this line:
./configure
--prefix=/srv/webserver/apache2
--enable-ssl <------------------------ didnt do this line
My installation does not have the mod_ssl. How do I activate the SSL on my apache without having to install it all over again?
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Feb 9, 2011
I want to install MATLAB 2009 on a ubuntu server 10.04 amd64 which has NOT any gui. The installation was successful however when it comes to activate, it says "Could not open display. Exiting.". Here is what I did:
1- ssh -X user@server
2- verified that I can see "xclock" and "xcalc". Yes I can see...
3- cd /mnt ; ./install
4- I can see the GUI wizard since the X11 forward is working. Installation done successfully.
5- cd /opt/Matlab/bin ; ./activate_matlab.sh
it says: Could not open display. Exiting.
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May 14, 2010
I recently upgraded my Dell Vostro V13 from 9.04 to 10.04. All seemed to go well, but now the keyboard (and touchpad) aren't being recognized on bootup. I can get to single user mode OK --- keyboard is fine, but something is badly amiss as I can't use the mouse or keyboard when the X-server starts.
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