Debian Configuration :: Keeping The Dns Server Running With Current Server Information?
Jun 26, 2010
I'm running the current release of Debian with the 2.6.26-2 kernel. This is an upgrade from an older (2.4 kernel) series redhat release. One of the things I had working in the older system was a dns server with accompanying monthly update of the root hints file. I tried working through a dns how-to to set this up again, but it seems much has moved around since I last played with this. All of the files listed in the how-to are not where it says they should be. I am looking for a better reference on keeping the dns server running with current server information.
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Nov 26, 2010
I have since a couple of days a vps. I discovered that there's is no nameserver is running.
# host google.com
Nameserver not running
google.com A record not found, try again
Also there's no resolv.config in /etc/. I re-installed the OS several times without any changes. I ask my host about this but he has not answered my questions.
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Nov 2, 2010
What would be necessary to run an ftp server (or a web server) on my local PC so that other people I know could access it and download stuff from it? The idea is to share photos, videos etc with friends/family where the files are a bit too big for email. (All 100% legal, own-content, no copyright issues, needless to say). Security isn't that vital, I'd just put files in the ftp directory, email the link and let them download the files, then remove them again. No passwords are required, and no uploads.
Obviously there's the problem that both computers have to be on at the same time, and I assume I'd have to change my computer's firewall settings and my router's settings to allow the traffic through, but my question is more basic than that - is it even possible? My internet connection is through a router, and as I understand it, my router has the IP address, not my computer. So I can connect through my router using my computer's IP address, but only my router knows my computer's IP address, and all the rest of the internet just sees my router and its IP address. Which means (I think) that I can't just send my IP address for my family to connect to, because that only gets them as far as my router, and the router would have no idea what to do with such requests. Am I right so far?
So is there any way for my family's computers to contact an FTP server or a web server running on my computer? Or does it require some kind of intermediary server to act as a traffic-forwarder? Is there such a thing? I'm assuming that setting up little private torrents would be fiddly and inefficient. Or would it be better/simpler to use one of the free filesharing services and put up with the (sometimes not too family-friendly) adverts associated with them?
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May 17, 2010
How do you setup Secondary or Slave Servers in NIS? Will the domain of the slave server be the same as the Master Server?
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Apr 5, 2011
We do have primary & backup DNS both are running in Linux. I'm planning install the 3rd DNS & move the DNS02 to this server(DNS03)& remove the DNS02 later. Ho can I do move all the information & configuration of DNS02 to the new server? configuring the DNS03 & removing DNS02.
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Jan 25, 2011
I will be relocating to a permanent residence sometime in the next year or two. I've recently begun thinking about the best way to implement a home-based network. It occurred to me that the most elegant solution might be the use of VM technology to eliminate as much hardware and wiring as possible.My thinking is this: Install a multi-core system and configure it to run several VMs, one each for a firewall, a caching proxy server, a mail server, a web server. Additionally, I would like to run 2-4 VMs as remote (RDP)workstations, using diskless workstations to boot the VMs over powerline ethernet.The latest powerline technology (available later this year) will allow multiple devices on a residential circuit operating at near gigabit speed, just like legacy wired networks.
In theory, the above would allow me to consolidate everything but the disklessworkstations on a single server and eliminate all wired (and wireless) connections except the broadband connection to the Internet and the cabling to the nearest power outlets. It appears technically possible, but I'm not sure about the various virtual connections among VMs. In theory, each VM should be able to communicate with the other as if it was on the same network via the server data bus, but what about setting up firewall zones? Any internal I/O bandwidth bottlenecks? Any other potential "gotchas", caveats, issues? (Other than the obvious requirement of having enough CPU and RAM).Any thoughts or observations welcome, especially if they are from real world experience in a VM environment. BTW--in case you're wondering why I'm posting here, it's because I run Debian on all my workstations/servers (running VirtualBox as a VM for Windows XP on one workstation).
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Jul 8, 2011
I am not seeing what i am doing wrong here, but here goes:
From my server I need to run a command for backup on 25 remote servers (through a script). Now I have pushed the public keys for remote ssh connectivity on all of them and it works ( I can push files using rsync without the need to enter passwords on the remote servers), howver, I need to run the following command:
ssh odsadmin@10.139.111.1 'cp -a /var/www/life /var/www/life-v4'
when I run this command, I keep getting asked to enter the password, I even tried putting sudo in front of the cp, but still get the request to enter the password.
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Jan 27, 2011
I need to change the some configuration in httpd.conf file with out affect any current status of http service.
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May 3, 2011
I have installed nfs-kernel-server on the server and nfs-common on the client. Assumeserver 192.168.1.1client 192.168.1.3
content of /etc/exports is:
/home 192.168.1.0/255.255.255.0(rw,sync,no_root_squash)
/home/nfsroot 192.168.1.0/255.255.255.0(rw,no_subtree_check,async,no_root_squash)
[code]....
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Jun 14, 2011
I wanted to setup my server as a router/gateway just for educational purposes and also when it succeeded i will keep the gateway and place it on the front line right after my modem.
My current setup as it is now :
The GATEWAY/ROUTER will be doing the main work to act as a dhcp server and firewall.
Now my setup as it is now :
So now what i ment to do was :
Let the clients connect to the gateway via ETH1 and all the stuff being router to ETH0 which is the NIC that is connected to the internet.
But now i have two huge problems :
1. The DHCP configuration seems to be fine the client machines get their ip adresses and /etc/resolve.conf looks fine to. But somehow the GATEWAY/ROUTER wont let me use the specified external DNs server so i cant do anything on these machines.
2. The firewall script [url] at line 27 should be DROP but if i use this line of code the GATEWAY/ROUTER cannot use his dns server settings so when i try to browse the internet or ping a machine outside my local network it would came up with nothing.
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Apr 2, 2010
I have installed a linux server in my office to run 16 machines. Its main use will be a internal mail server but will be also running websites.
I have installed Ubuntu 9.10 server x64 and have got apache running.
I am looking for the simplest more robust solution for smtp, pop3 and imap. I have only ever used qmail before and found it a pain to configure and its getting old so I though I should probably try something new. I have not much experience with running pop3 or imap on linux so would love a suggestion on that.
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Sep 29, 2010
have to create a webhost on an running fedora server which runs multiple webpages + a coldfusion serveri have to add an coldfusion virtual host to these.what i would do:*crate a new user & group*enter vhosts.conf and copy an existing host and modify it for the new one.*create an new folder and copy the main files (phpstarter and webroot) *chown the files for the right useri think an apache graceful would be needet
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Apr 5, 2010
I am *finally* getting around to rebuilding my file-sharing computer. I'll be sharing files with both Linux and Windoze machines. It's a home network, so there's nothing fancy needed. I know I have to tweak my smb.conf file until I'm satisfied with the features and security. I'm using SWAT and I'm starting with a bare-bones conf file. It's not secure but I can see the server and selected files/directories from my other Linux box.
My really dumb question is, do I have to reboot both the server and the client machines every time I change the SAMBA configuration? I thought I just had to stop and restart the SAMBA service in the SWAT software - but then the server disappears from my client. It looks like I need to reboot both machines for the client to see the server.
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Dec 8, 2010
In trying to help our office modernize its IT infrastructure, one of the key components is maintaing our server. We have around 50-60 people who need access to a local server primarily for secure general file storage. These employees are geographically dispersed. We currently use some(?) version of Windows Server which is maintained and updated by a IT company we keep on retainer. After doing some very basic research on Ubuntu Server, I would like to try and incorporate a pilot program utilizing the Ubuntu Server software.I was successful in installing Ubuntu Server on an unused PC that I put a clean hard drive in. I have been following the direction of the Official Ubuntu Server manual to assist in the server setup, and this has progressed my cause up to a point.
Can I run an Ubuntu Server alongside our current Windows server without bring everything to a screeching halt? Additionally, I am the only mac computer in an office filled with varying version of windows. I have begun to configure samba but need some direction from the community as to updating the workgroup so my mac can connect to the Ubuntu Server. What do I need to put in the workgroup part of the /etc/samba/smb.conf directory?I have no doubt there will be face palms by the community after reading this thread, but I am trying my best to teach myself the Ubuntu way.
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Aug 6, 2010
I have installed Openshot Video editor, then it did not work (due to some python bindings I guess) so I uninstalled it. After that everything seems to start failing including, running aptitude and apt-get. Here is a message when I try to run apt-get from command line (sudo apt-get install -f)
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.
1 not fully installed or removed.
After this operation, 0B of additional disk space will be used.
Setting up shared-mime-info (0.71-3) .....
Here is I am trying to run synaptic from command line:
synaptic: /usr/local/lib/libz.so.1: no version information available (required by /usr/lib/libxml2.so.2)
/usr/bin/python: /usr/local/lib/libz.so.1: no version information available (required by /usr/bin/python)
/usr/bin/python: /usr/local/lib/libz.so.1: no version information available (required by /usr/bin/python)
synaptic: symbol lookup error: /usr/lib/libxml2.so.2: undefined symbol: gzopen64
This is from "/usr/lib$ ls libz* -al"
-rw-r--r-- 1 root root 90284 Dec 28 2009 libz.a
lrwxrwxrwx 1 root root 16 Jun 29 23:18 libzbar.so.0 -> libzbar.so.0.2.0
-rw-r--r-- 1 root root 183284 Jun 9 11:13 libzbar.so.0.2.0
lrwxrwxrwx 1 root root 18 Jun 15 21:13 libzephyr.so.4 -> libzephyr.so.4.0.0
-rw-r--r-- 1 root root 51396 Nov 29 2009 libzephyr.so.4.0.0
lrwxrwxrwx 1 root root 15 Jun 16 20:40 libz.so -> libz.so.1.2.3.4
lrwxrwxrwx 1 root root 15 Jun 15 20:27 libz.so.1 -> libz.so.1.2.3.4
-rw-r--r-- 1 root root 79980 Dec 28 2009 libz.so.1.2.3.4
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May 5, 2011
Right now i have a HP DL 180 Server with 130 Gb Hard Disk & 8 Gb ram after Raiding0+1. i want to configure Domain Controller Server for my office for 200 to 300 Users. what should the partition size must be mentioned in my 130 Gb Hard Disk, is that going to be Sufficient for ME ?
i am bit confused about /Usr /Var /Boot partitions, as i need to manage perfectly in 130 GB
if i go with 4 Gb swap and remaining for " / " is that will be fine ? should i need to specify partition sizes separately for / tmp /var / usr ..
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Dec 13, 2010
I need a quick script that will help me keep only the most recent 10 files in a directory.
The files look something like this:
-rw-r----- 1 root root 34816 Dec 13 13:06 3_270_737318733.dbf
-rw-r----- 1 root root 709120 Dec 13 13:06 3_271_737318733.dbf
-rw-r----- 1 root root 63488 Dec 13 13:06 3_272_737318733.dbf
-rw-r----- 1 root root 316416 Dec 13 13:06 3_273_737318733.dbf
-rw-r----- 1 root root 113664 Dec 13 13:06 3_274_737318733.dbf
code....
I need to eliminate the older files, and keep only the most current.
I've done a ls -l | sort -r and written that to a file i can read into a loop. That's where i'm running into difficulty. The difficulty being, that I don't know how to keep only the most current 10 files.
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Oct 15, 2010
Running AQemu says me the following:
Could Not Get USB Information From System!
USB Support is Disabled.
Add Support proc FS TO YOUR Kernel.
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Aug 28, 2011
i followed a Tutorial about configuring apache to have HTTPS Protocole , but since i ask for a certificate , i can't input information such country code etc , i'm runing this configuration on Webmin , i'm using Debian of course so how can i input the code ?
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Mar 4, 2010
I'd like to install Lucid on a spare hard drive I have, so I can do my bit for testing it. I have a feeling that if I just burn the latest alpha .iso and install from that, it will replace my current GRUB, whereas I would prefer to simply add the Lucid install as an option in my current GRUB.
Of course I might be wrong, I just wanted to check before I went ahead with it. I was unable to find the info I needed via searching.
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Jun 8, 2010
I would like to keep track of not only what bash commands I used and when, but also where they were issued from, i.e. what was the current working directory when I issued "foobar" on a particular day and time. Can we ask bash history to keep track of working directories too? I have tried to get an idea of this reading the enormous "man bash", but I don't seem to have an answer yet either way.
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Jun 15, 2010
I'm currently setting up a server with 2x 1TB disks in raid1. (Centos 5.5)In the future, if the storage is insufficient and I decide to upgrade the disks to 2x 2TB, could I just:
- dump ghost image of the array on usb drive
- replace hdd's and build new array
- ghost array with image created previously
Would the above work, will the new partition automatically resize to 2TB or do I need to partition right now with LVM? would it work with LVM?
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Sep 23, 2010
I am learning japanese and I would like to be able to switch between english and japanese input while keeping an english interface. How would I achieve that? I am using KDE, by the way.
In the Kiten documentation I read that pressing Shift+Space would enable japanese input (built-in in Kiten, according to the documentation). But that does not seem to work in my system.
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Mar 9, 2010
After each boot I find 2 occurrences of WARING! Can't find hypervisor information in sysfs!
in /var/log/boot. This box is running as KVM-host, so I am a bit worried about 'warings' like these...
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May 14, 2011
Sendmail isn't sending mail for some reason and keeping it in the Queue. I attemped to flush them but it deferres the connection to the server in which it is trying to relay the message to. I have checked to see if there is a DNS error or anything like that. I attemped to flush the messages through webmin.
This is the result.
Code:
I am not finding anything in the logs to let me know their is an error. I can ping the mail servers that it is trying to send to. Now it has started delaying when ping MX servers. So I knew something was starting to mess with it. I have checked the /etc/hosts. It is correct. The server isn't black listed. Mail to root just gives me.
Code:
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Mar 3, 2011
The server I'm running runs Debian Etch, Squid and Shorewall. Every 24 hours the server gets a new internet IP so I need to use dyndns to keep the dns pointing to the correct PC.
I have a webserver that is running behind the debian server and am having trouble with it. When I enter the web address, it gets a timeout.
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Jun 15, 2011
I am running virtualbox on a Mac Mini Server. I would like to install Debian on it and give it an internal static IP address. E.g. 192.168.1.xxx
I am looking at all the downloads. The Mac Mini Server Snow Leopard has no CD/DVD but plenty of disk space.
It will be used as a LAMP webserver, Java, Ghostscript and pdftk but also install ISPConfig on it.
I was looking at this ISO: [URL] Is this ok?
The Mac is a 64 bit Intel based machine. If I wanted 64 bit on the VirtualBox, which 64 bit ISO should I get?
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Jan 31, 2010
How to backup incremental running debian server using rsnapshot?
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Mar 13, 2011
Kernel version: 2.6.26-2-686
Java version: 1.6.0_0
I'm going to run a full system update, but I doubt that'll work.
What happens is I turn the computer on, log in, start the application with:
java -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui
and it will work fine for a while, but then, while we're playing, it'll become unresponsive and crash. I then go over to the physical computer, wake the monitor up by pressing the down arrow, delete the "[[B" that appears, and try to issue the applications stop command to save and close the application. This doesn't work. The computer registers what I type and registers the return, but nothing happens. I switch over to my second console, log in, find the PID of java, and attempt to kill the java process as root. It accepts the command and gives me another line of prompt, but when I switch back to the first console, nothing has happened.
I then switch back and try to issue a shutdown for right now, and it'll get to "Sending processes the SIGTERM signal", and then it waits for them to be killed, but will not progress further than that. I then have to either force the shutdown with the 3-second hold for the power button, or I have to turn off the power bar it's attached to.
Also, if I'm at the prompt and press backspace, which gives me a system beep, it doesn't stop. Instead of one, short beep, I get a never-ending tone, as opposed to the beep.
The computer does run a little hot; It's in a closet and it's kind of crammed, but it's never so hot that you can't handle the computer.
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Jul 26, 2011
I am currently running a Debian 4.0 (etch) PC and I can't upgrade to a newer distribution for legacy software reasons.
It is currently running on Kernel 2.6.18-4-686 and I would like to upgrade it to Kernel 2.6.22-3-686 (whilst keeping my current Debian 4.0 Etch installation). Does anyone know how this could be possible?
Prefereably I would like to instal Kernel 2.6.22-3-686 along side my current Kernel 2.6.18-4-686 with the option to specify which kernel to use when booting.
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