Red Hat :: Rhel 4.8 - Nc: Connecting - Cannot Get The Tripwire Server To Talk To The Agent On The Red Hat Machine

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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Server :: RHEL - Sendmail Delay In Connecting To SMTP For Some Addresses Only

Jun 4, 2010

Sendmail on the RHEL server is set up to forward email to company internal mail server (via SMART_HOST). This has worked fine for years.

From the server, doing a sendmail, the message is sent immediately. No problems - and no change here.

From the server, doing a sendmail (compania is the part of the company in Mexico) causes a 2m40s delay before sendmail does anything.

No packets are sent until after 2m40s wait. Message is always sent after the delay. It is not clear what the server is waiting for.

For *each* user in the @compania domain specified in sendmail command, an additional 2:40 is imposed before email is sent. Email is always sent after the n*2:40 sec delay.

Sending email to is processed immediately - with a bounce email received in a couple of seconds.

Q: How do I determine where this 2m 40s delay is introduced?

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Software :: Install Xen Server On RHEL 5.3 Machine?

Jan 11, 2010

How can I install Xen server on RHEL 5.3 machine?

The server is: AMD 64bit (supports virtualization)

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General :: Connecting To VNC Server From Any Machine In House?

Jun 12, 2011

I am having trouble connecting to VNC server from any machine in my house. The server is running fedora v14.

Previously I was able to connect when i had dsl, but i have since switched to cable and am having a problem

I checked the vnc error log and saw the below error. Note these are excerpts from the file

I have checked
1. VNC server is up and running
2. My username is in the vnc file
3. the port i am trying to connect to is open.


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Ubuntu Networking :: Connecting XP Machine Using Terminal Server?

Feb 2, 2010

I'm trying to connect to an XPpro machine using terminal server, I've been to the microsoft web sight and configured xp as they explain. Which consists of "allow remote desktop connections" and "re configure the fire wall", Done. I've obtained the ip address of the router and the user name and password of the xp machine and still I cannot access it!

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Ubuntu Networking :: Connecting Xp Machine To PPTP Server

Jul 8, 2011

I have been wanting to switch from my routers VPN to my headless linux box VPN. I have everything setup in the PPTP and then forwarded the ports to it. Heres the kicker. My APPLE Iphone connects to the VPN without a problem at all. Views Intranet pages etc.

My Windoz XP is kicking and screaming and one error after another. This is my setup on XP: I entered Ip Entered exact same credentials as used for connecting with my iphone turned off "use gateway on remote network" Changed type to PPTP VPN connecting my xp machine to this PPTP server on linux?

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General :: Make A Windows XP Machine A Member Of NIS Domain Server On RHEL?

Jul 22, 2010

I have configured NIS, DNS, NFS and DHCP servers at my home network. I can easily authenticate another Linux machine to these servers and make that machine as a client and also users can locin using the automounter. My Question is, is it possible that by using the same setup I can authenticate a windows Xp machine and make it as a client, and also users can login using the passwords that I have provided on my NIS server?

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Fedora Security :: Connecting Machine To A Microsoft VPN Server Using RSA Authentication?

Jul 28, 2011

Has anyone got experience connecting a linux machine to a Microsoft VPN server using RSA authentication? What puzzles me perhaps most about this topic is the absolute dirth of information. If it is not possible, can anyone tell me why?

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Server :: NetFlow Agent (nProbe) Only Reports Server Statistics?

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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Ubuntu :: Moved A VM Server Now VMs Can't Talk

Jun 18, 2010

I'm running Ubuntu 9.10 AMD64 with KVM and several VMs running the same OS. Everything was running fine and the VMs were using the host's network via bridging. The decision was made to move the server to completely different network. I shut it down, the system was moved and hooked up, and I got it up on the new network pretty easily--just modified /etc/network/interfaces and /etc/resolv.conf. No networking problems at all.

Then I fired up virt-manager, powered up one of the VMs, and made the same kinds of changes. It's not talking beyond the VM server. I can ping the host, but can't ping the gateway. "tcpdump -i eth0" shows plenty of traffic.

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CentOS 5 :: Two RHEL 5 Servers Connecting With A SAN

Nov 14, 2009

I wanted to access a SAN partion from my two CentOS 5 servers.

1. i wanted to get mounted the partition which i have created in the SAN.for example /dev/sdb is the partition
2. at the same time i wanted to store (Read and write )data in the SAN partition from those two CentOS server.
3. Can we use GFS? or what is the best way?

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Software :: Edit Configuration File Of Talk Server?

Jan 25, 2010

How we edit the configuration file of talk server.

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Networking :: Configuring 2 Nics To Talk To Two Different Subnets On A Sles10sp3 Server?

Nov 27, 2009

I am trying to setup a HP blade (BL460) server with 2 nics on sles10sp3. I want one nic to connect to a management vlan and and second to connect to the standard network. It should be possible for a desktop in the standard network to connect to either nic by providing the correct ip address.use this server as our first virtualisation hosts server using Xen. I dont want traffic used to upload / download images to the server through nic1 to effect the users traffic on the standard network on nic2. However any attempt at routing (which Im not good at) has led to the tx traffic all going out the default route (users subnet).

Each time I setup the nics via yast2 lan I can get the standard lan nic working ok. but cannot get the management nic working correctly. The server can ping a workstation on another vlan, but the workstation cannot ping the management nic. The default route appears to be forcing all traffic on the host out through this route, which I presume is normal behaviour. Using tcpdump I can see the ping packets received by the server, the server then responds through the default gateway, which the workstation does not see.

However, this normal behaviour will result in extra traffic on the users network when image downloads are initiated from the management interface.If I use a network routed through router setup as our management vlan , and with router as our lan for general users. Where server ips are nic1 and nic2 My workstation would be If I ping the server at
I get no response. If I ping the server at no problem.

Basically I used the network setup recommended by vmware to manage a virtual server. I actually have 4 nics, I thought by just talking about 2 nics the problem would be easier to explain. vmware specify that two nics should be used for management and two for the Lan. This is what I am trying to achieve, but both subnets must operate independently.

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Programming :: C Program - To Make Scripts That Can Talk To Server's Parallel Port

Jun 27, 2010

I need to make some C program under linux to make some scripts that can talk to my Server's Parallel port by sending some quare signal as high or low, so what i can do ?

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Server :: Deploy Centos 5.5 Through Pxe Agent On Multiple Servers?

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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Server :: Edit The Default RHEL CD To Have It Automatically Install RHEL Based Off Of A Kickstart File

Mar 2, 2011

is possible to edited the default RHEL CD to have it automatically install RHEL based off of a kickstart file that I will store locally on the CD. My plan would be to put a cd in a server and have the OS automatically being installed.

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General :: Black Screen Getting After Some Time Login When Connecting Through Vnc To Rhel 5.3?

Mar 25, 2010

as after connecting thru vnc (any tightvnc or real vnc),after some time of the connecting the Linux server RHEL 5.3,screen goes black screen with X mouse movement,getting after some time login all the things are visible even we can open the terminal & any application thru taskbar option,but after some time the screen goes black with big X. eventhough I tried to disable the screen saver option then also is happening.

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Server :: Configuration Difference Between RHEL 3 To RHEL 5 For Webserver Installations?

Feb 1, 2011

We are planning to migrate our LINUX server from RHEL 3to RHEL 5. What are the configuration difference between RHEL 3 to RHEL 5 for webserver installations?

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Server :: Sendmail Rely Agent Unable To Send The Mail

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


dnl #DAEMON_OPTIONS(`Port=smtp,Addr=, Name=MTA')dnl
define(`SMART_HOST', `')dnl
define(`RELAY_MAILER_ARGS', `TCP $h 25')dnl
define(`ESMTP_MAILER_ARGS', `TCP $h 25')dnl


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Server :: Major Differences Between Rhel 5.2 And Rhel 5.4?

Dec 14, 2010

what are the major differences between rhel 5.2 and rhel 5.4

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Red Hat :: Duplicating A RHEL 5.1 32bit Server On RHEL 5.4 64 Bit

Dec 9, 2009

I have a database server running RHEL 5.1 32 bit that suffered some catastrophic failures about 6 months ago. We were able to patch it back together and keep it running, but now the manufacturing site it supports is going to shut down for two weeks and I would like to replace it permenantly. Does anyone have any guidance for that sort of thing? I'd like to have the new server up and running before hand, basically changing the hostname/ip and restoring the databases only on conversion day. I've done this in the past with HP UX - Red Hat conversions, but this is my first red hat to red hat move. Any advice or shortcuts?I forgot to add the other wrinkle. The new server will be running 64bit linux.

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General :: Install RHEL 6 On A Machine Without A Monitor?

Jan 18, 2011

I am trying to install RHEL 6 on a machine without a monitor. After reading through their installation guide I have decided to try a vnc installation using my laptop. The guide says: To activate the VNC connect mode, pass the vncconnect boot parameter:

boot: linux vncconnect=HOST

The problem is that I have never had to do this before, I have no idea what "pass a boot parameter" means.

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Software :: Running Rhel 5.5 On And Amd 64 Machine - Scoop?

Oct 5, 2010

Is VirtualBox on RHEL a good Idea? I am running rhel 5.5 on and amd 64 machine. The internet reviews rated VirtualBox pretty high. What is the real scoop?

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Red Hat :: Loading RHEL 6 On Machine With Two RAID Arrays

Apr 15, 2011

Have a customer who is due for a new system. AS they just renewed their RHEL entitlement, they plan on ordering a Dell server without a OS preload. Two questions:

- Will RH let them download RHEL6 just by maintaining the entitlement when their current version is RHEL 3?

- The server will have two RAID arrays - one intended for /home, one for "everything else". As I've never done a clean load with two arrays, how do I select what file systems go on which array?

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Red Hat :: Network Installation Of RHEL On Virtual Machine?

Feb 1, 2010

I am preparing for the RHCE and would like to get some feedback on network installation.
1. How can we practice network installation on the Vista? I have installed CentOS installed using VMware desktop on Vista windows?
2. In exam do we get network server installed or we have to install it?

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General :: Connecting To A SonicWall VPN From A Machine?

May 16, 2010

Is there a SonicWall client for Linux? When I searched around I could only find answers several years old.

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General :: Connecting To A VBoxHeadless Machine(s)

Nov 30, 2010

I have virtual machines running "headless" (using virtual box); I started the machines with this command...

/usr/bin/VBoxHeadless --startvm machine1

How can I connect to the console?

I know I can use "rdesktop" to connect to the machines...but I can only connect to the first would I do it if I want to connect to another running instance? Currently I have 4 virtual machines running...

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Red Hat / Fedora :: Unable To Install RHEL 5.2 On I686 Machine

Jun 16, 2010

I am not very new to LINUX. I was using UBUNTU for the last 1 year and I have switched to Redhat now because I am thinking of taking a RHCE certification now. Actually the problem is that I am unable to install RHEL 5.2 i386 on my i686 machine, I have bought it recently 1 week ago. I tried to use the boot parameter "linux noprobe" then it said drivers not found after 2 steps when it loads drivers.

When I tried to make a GUI install it hanged after "loading /sbin/loader" and said "kernel panic - not syncing". And when I tried to make a text install it said hanged agin after "loading /sbin/loader" and said something like "Oops: 0000 [#1] SMP". If drivers are needed then when can I get those and how can I install those drivers? here is my hardware information as "lspci" says:

00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 10)
00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express Integrated Graphics Controller (rev 10)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01)
00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 01)
00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 01)
00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev 01)
00:1d.0 USB Controller: Intel Corporation N10/ICH7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 01)
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)

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General :: Partition And Install RHEL And WinXP On Same Machine?

Jan 4, 2011

How do i create two partition on my hdd and install rhel on one and windows xp on the other

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General :: View All The Installed Software On RHEL 5 Machine?

Feb 2, 2010

view all the software installed on my RHEL 5 machine. Can we find any utility like Add/Remove Programs in Windows?

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