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going_tech
Posted on: Dec 30 2004, 10:56 PM


Whats this Lie-nix Thing?
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I tried all the combinations hda-hdc, hda1-4, hdd1-4, etc, but found nothing. So I ran the CentOS installer up to Disk Druid to get the partition info. Disk Druid found both the SCSI and the IDE drives and identified the size of each correctly. Disk Druid identified the IDE drive as hdb1, but when I restart and allow the system to boot, fdisk does not show any info for that partition. Does this make any sense? What could cause this? I am inclined to think that the drives are OK, but the system files have been damaged; however, I am very much a Linux novice.
  Forum: Technical Support · Post Preview: #19788 · Replies: 4 · Views: 3,484

going_tech
Posted on: Dec 30 2004, 06:13 PM


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OK, I got a list of partitions on my SCSI drive, /dev/sda1 to sda3, and all have the Linux file system. I installed CentOS on the SCSI drive because it was only 4GB, and used an 80GB IDE for the fileserver, but I get no listing of any hd partitions. Does this mean that the IDE drive has failed?
  Forum: Technical Support · Post Preview: #19786 · Replies: 4 · Views: 3,484

going_tech
Posted on: Dec 30 2004, 04:32 PM


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I didn't see the harddrives listed on boot, and I don't remember what they are from when I installed. What command do I use to list the harddrives or devices?
  Forum: Technical Support · Post Preview: #19784 · Replies: 4 · Views: 3,484

going_tech
Posted on: Dec 30 2004, 01:26 PM


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I have a fileserver running CentOS 3.1 and Samba. The box has dual Pentium 200Mhz and CentOS is installed on a SCSI drive. I have an 80GB IDE drive installed for Samba. Apparently, someone decided to reboot the server by turning the power off to resolve problems with clients connecting. It was done repeatedly, even though it did not resolve the problem. All the files on the server disappeared (which are backed up so that is no big deal) and I get errors when booting up. When prompted to "Force file system integrity check" I press "Y" and allow it to contiue, but after some checks I get the folllowing errors.


Checking Filesystems
/home: recovering journal
/boot: 50/26104 files (10.0% non-contiguous), 29047/104391 blocks
JBD: failed to read block at offset 150
/home: Attempt to read block from file system resulted in short read while reading block 676

fsck.ext3: Attempt to read block from filesystem resulted in short read while trying to re-open /home
e2fsck: io manager magic bad!



***An error occured during the filesystem check
***Dropping you to a shell; the system will reboot
***when you leave the shell.

Give root password for maintainence
(or type Controll-D to continue)



What do I need to do to repair/restore these files? The files on the server are backed up so I am not worried about losing data, but I would like to fix this if I can. Thanks.
  Forum: Technical Support · Post Preview: #19780 · Replies: 4 · Views: 3,484

going_tech
Posted on: Oct 4 2004, 08:16 PM


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Well, I think that I finally have the problem solved. Apparently, I did not get my information on setting up Samba from the right place, because on the Samba.org website, it says "All TCP/IP addresses have been hard coded." So I set gave all computers on the network static IPs and everything worked. Hopefully, this will help somebody avoid the frustration that I had with this problem. unsure.gif blink.gif mad.gif huh.gif wink.gif smile.gif laugh.gif biggrin.gif
  Forum: Technical Support · Post Preview: #17858 · Replies: 3 · Views: 2,624

going_tech
Posted on: Sep 25 2004, 05:05 PM


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Well, I took a different tack and installed Redhat 9 on a different machine, because I thought the problem might be with a slow HD and processor; however, the problem remains. It has been confined to 2 machines running Windows XP Pro, both are Dell Optiplex Gx 110's, one at 700Mhz the other at 800Mhz. The problem was centered in the 4 Dell Optiplex Gx 110's that are on the network, but two of them cleared up, one after I changed the computer name and the other for an unknown reason. All 4 have the same ethernet cards from 3Com, which have the most up to date drivers. All 4 run Windows XP Pro, and the two that still have problems, sometimes cannot "see" all the computers in the workgroup. This problem has me completely stumped, because I cannot determine where the problem lies. I have changed my focus to an internal Windows problem, but am still no closer to a solution. Any help would be appreciated. Thanks.
  Forum: Technical Support · Post Preview: #17725 · Replies: 3 · Views: 2,624

going_tech
Posted on: Sep 19 2004, 11:44 AM


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I have a CentOS 3.0 server running Samba, but I am getting frequent errors that deny access to users in the workgroup. The error says that access was denied becuase a duplicate name exists. Changing the computer name does not necessarily make the error go away, and even if it does it is only a temporary fix, since the same computer will get the error again. Another funny thing is that the error is not consistant. A reboot sometimes fixes it and sometimes accessing the server from the same computer via a different path works, i.e reusing the drive mapping tool in My Computer, locating the drive in My Network Places again or doing both at the same time. I have it set to share level access so no user name or password are required. Pleas let me know if additional information would be helpful. Thank you. smile.gif
  Forum: Technical Support · Post Preview: #17605 · Replies: 3 · Views: 2,624

going_tech
Posted on: Jul 10 2004, 07:33 PM


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If I remove the CD Drive and set up two master and two slaves will that work or will I still need a seperate IDE controller?
I read about the Raid 5 but I don't get how parity works, that is why I was leaning toward mirroring. With mirroring the data is supposed to all be there, right? And with parity it just checks to make sure the drives have equal amounts of data, right? If I understood Raid 5, one harddrive could go out and all data could be lost, is that right? I know I am being paranoid, but I want to set this up to keep from losing alot of data....again. blink.gif
By the way, did I mention that I don't know how to set up just a regular Linux server? biggrin.gif unsure.gif
  Forum: Technical Support · Post Preview: #15398 · Replies: 7 · Views: 3,640

going_tech
Posted on: Jul 8 2004, 04:22 AM


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OK, I read up on RAID and I have some better answers. I would like to do software RAID with IDE drives. I am leaning towards RAID 1+0, because data loss in more of a concern than performance increase. I am using an older desktop, 300Mhz with 192MB RAM. Will that be enough or do I need to upgrade? Do I need to keep my server configuration simple in order to accomidate RAID? Will RAID work with Samba or do I need to setup a domain? Is there a reason that Noob and Boob rhyme? blink.gif
  Forum: Technical Support · Post Preview: #15286 · Replies: 7 · Views: 3,640

going_tech
Posted on: Jul 7 2004, 10:08 PM


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Which RAID is better hardware or software? Is there a big difference between them? I would use IDE drives, because I have a few of them laying around. (Thought I was kidding when I said I was a Noob, didn't ya?!?) blink.gif
  Forum: Technical Support · Post Preview: #15282 · Replies: 7 · Views: 3,640

going_tech
Posted on: Jul 7 2004, 09:08 PM


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I would like to setup an Samba server with Raid on my computer running Redhat 9.0. Is this too difficult a project for a Linux Noob? Is Redhat 9.0 a good distro for this?
  Forum: Technical Support · Post Preview: #15278 · Replies: 7 · Views: 3,640

going_tech
Posted on: Jun 10 2004, 02:04 PM


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I thought that we were through, but...I followed the instructions below, and got the correct message, and all computers were able to connect. I thought that the problem had been fixed but there are computers on the network that continue to be pointed to 192.168.0.1 as the default gateway. I checked the Linux box and DHCP was still on. How do I permanently disable it? huh.gif


/etc/init.d/dhcpd stop

then do:

chkconfig --del dhcpd

then do:

chkconfig --list dhcpd

it should say:

service dhcpd supports chkconfig, but is not referenced in any runlevel (run 'chkconfig --add dhcpd')
  Forum: Technical Support · Post Preview: #14034 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 7 2004, 03:51 PM


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Yeppers! That's got it! Once again, thank you! biggrin.gif
  Forum: Technical Support · Post Preview: #13903 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 4 2004, 02:09 PM


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OK, I have one additional problem. Apparently, DHCP is still active because some computers on the network are pointed to 192.168.0.1 as the default gateway and some to 192.168.0.254. I thought that DHCP was turned off, but I guess not. What do I need to do to stop DHCP completely? (By the way, I did not see DHCP in the boot sequence as one of the services that had been started, if that means anything.) blink.gif
  Forum: Technical Support · Post Preview: #13812 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 2 2004, 06:13 PM


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Fantastic!! That has got it. (The other problem was I had the cable connected to the wrong ethernet card, there are 3. That must be why I could see it on the Network Neighborhood, but was denied access.) I ran those commands, rebooted and now I have full access. Thank you! tongue.gif biggrin.gif laugh.gif
  Forum: Technical Support · Post Preview: #13738 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 2 2004, 05:34 PM


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OK, the network did need to be restarted. (I wonder why, I just rebooted!) I can now see the server on the Windows Network Neighborhood, but I am denied access. I am in as root on the Linux Server, but when I tried to check the Samba info with

/etc/samba/smb.conf

I got

Permission denied

Also, when I tried to restart Samba,

/etc/init.d/samba restart

I got

No such file or directory

What do I need to do now?
  Forum: Technical Support · Post Preview: #13735 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 2 2004, 04:50 PM


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Well, I typed in "ifconfig" and got nothing. The prompt went to the next line and displayed no info. What do I do now?
  Forum: Technical Support · Post Preview: #13732 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 1 2004, 10:01 PM


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I do want to stop DHCP, because this will now be a file server exclusively. I have a Freesco box that handles the routing and firewall now.

I'll give you an update tomorrow, after I try the fixes you suggested. Thank you. biggrin.gif
  Forum: Technical Support · Post Preview: #13678 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 1 2004, 01:43 PM


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Have you tried turning off your firewall?

Try this:

/etc/init.d/iptables stop
(Assuming you use iptables instead of ipchains)


I went into the Redhat setup program, (Typed "setup" at the command prompt) and chose to disable DHCP and iptables. I will try your suggestion, because I was wondering if editing it at the command line would prevent the setup program from altering the startup options. In other words, if what I did had acutally made any changes. Also, I do not know whether I am using iptables or ipchains, because I inheirited this machine, and have never spoken to the person that set it up. Does that make a difference? (I have virtually no Linux knowledge.)


You say you cannot see it on the network. I assume you use windows machines for everything else, and don't see this particular machine in network neighboorhood?

Yes, this is the only linux machine on this network, and I cannot see it on the network neighborhood.


Does samba have the correct values for things such as your workgroup name, and have you tried restarting samba? (/etc/init.d/samba restart) I know you said it worked prior to the move, but perhaps you recently changed the workgroup names on some of the machiens? =) Look in /etc/samba/smb.conf for the WORKGROUP name.

I didn't change any of the workgroup names, and I do not think anyone else did. All the other office computers show up on the network neighborhood, but I will look at the samba settings to confirm.


Find the server's IP address on your network by typing 'ifconfig', and try pinging it from another machine.

I will check the ip address, I am thinking that the server is still trying to run the network(DHCP and NAT), because when I change the connection from eth1 to eth2 I get a "Martian error", what does that mean?


Does it reach? If not, then your firewall is still on, you have a bad cat cable, your NIC card is dead, etc. =D

I think it is recognizing both ethernet cards. When the machine boots, I get confirmation that the interface for both is working, even though I only have one connected at a time. And since I get the "Martian error" when I switch connections, I think that the cable must be ok, but it still could be a dead card on eth1, right?

To view your firewall rules, type 'iptables -L', which might help you find the problem.

I will check the rules. Is there a way to disable the firewall by editing the rules?


Thank you for your help. I will let you know how it works out, and I may have additional questions. Here is one for you. How did you learn Linux, and do you have a way that you would recommend. I have a Linux box at my house, but I have only installed the software, beyond that I am a bit apprehensive. Once again, thank you. Have a great day! biggrin.gif
  Forum: Technical Support · Post Preview: #13660 · Replies: 16 · Views: 7,107

going_tech
Posted on: Jun 1 2004, 09:52 AM


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but I am migrating those duties to a dedicated Freesco box. The problem is that I cannot see the server on the network. I think that it is still trying to handle routing, but I have tried to turn off routing and firewall. I am running Redhat Linux 8.0, it has samba enabled and worked fine as a file server on the network before the switch. (In case you are wondering why I switched. We moved to an old building....1803 old. The service connection for internet is in a location that is damp at best, so I decided not to risk the server in that environment.) Also, I am trying to learn Linux, so I am not very familiar with it.( I inheirited this server) I am used to using the command line, so if I get instructions I should be able to handle any fixes. Please let me know if you need additional info. Thanks in advance. Have a great day.
  Forum: Technical Support · Post Preview: #13649 · Replies: 16 · Views: 7,107


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