Ubuntu Servers :: 9.04 - Configuring Primary Master DNS?
Mar 18, 2010
I am using ubuntu server 9.04 version and trying to configure a primary master DNS on my server as followed the ubuntu official documentation [URL]. The files named.conf.local, db.example.com & db.192 are almost same as the documentation. And I can restart DNS. But when I followed the troublshooting page to ping example.com
thomas@UServer:~$ ping -c 4 example.com
PING example.com (127.0.0.1) 56(84) bytes of data.
64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.047 ms
64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.067 ms
64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.058 ms
64 bytes from localhost (127.0.0.1): icmp_seq=4 ttl=64 time=0.061 ms
--- example.com ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2997ms
rtt min/avg/max/mdev = 0.047/0.058/0.067/0.009 ms
thomas@UServer:~$
It is not show my server IP. Is it correct on the configuration?
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Aug 12, 2011
I had a dedicated HTPC box running Mythbuntu 11.04 (MythTV 0.24.1, I believe) that was both a master backend and frontend. I was also running a separate box (server 10.04) as a file server, print server, etc. Very recently I decided to try to migrate the backend duties and database from the HTPC box to the server so that I only need to have one machine running 24/7. So, on the server, I installed mythtv-backend-master from the repository, which for 10.04 is version 0.23.0+fixes. You might have seen this one coming... when I try to import the database from the Mythbuntu box into the server's MythTV installation, I get an error message saying the database schema (1264) is newer than expected (1254).
So, I'm wondering about my options at this point. Is it reasonable to install the same version of MythTV on the server? What would be the best way of going about that?
Is there a way to easily revert the database schema to the earlier version that's required?
Will I just need to start over with a new database? (Hopefully not this one.)
Other options I haven't thought of?
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Nov 13, 2009
I'm managing a residential network. Each flat is its own subnet, and can only communicate with the other flats through a router (i.e. no broadcast). 95% of these 300 subnets only contains windows computers (from lambda users).
My final goal is to be able to browse the entire network from any computer.
I set up a samba server acting as a wins server, and every computer is aware of it because it is registered in the dhcp. So name resolution is working fine for everyone.
The same samba server is set to be the "Domain master browser":
workgroup = WORKGROUP
wins support = yes
prefered master = yes
local master = yes
domain master = yes
os level = 65
When I browse the network (using "net view" or "browstat view"), I can only see the servers which are in the same subnet as the domain master browser.
Now, when in a subnet the computers arrange themselves to find a "local master browser", the only visible computers are the one in that subnet.
What I don't understand is why all the local masters don't synchronize their lists with the domain master.
So, to sum up, every subnet get the following behaviour:
-if a local master is elected, the only visible computers are the one in the same subnet.
-if no local master is elected, the only visible computers are the one in the subnet of the domain master.
-if I add another samba, configured as a local master winning all elections, then the magic is working and the lists are synchronized.
What is expected:
-every computer can see all the computer from all the subnets.
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Aug 8, 2011
I have two computers (one tower, one laptop). On both the computers, I have apache & PHP & mysql running, so i can program/script anywhere I like. With a simple sync'ing program, the PHP scripts are synced between the PC's, thought the databases arent. Therefor I'm looking for a method to sync (replicate) the databases between the PC's. thought after setting up some configuration, i'm stuck... now with how to, but what to
Option 1) Multi-master replication between the PC and the laptop. With this setup, the database can ONLY sync once both the devices are turned on. Also it can only sync if they are turned on on my LAN, since they do not have an external static IP address. if I turn on both PC's on my LAN, with static IP's (from the DHCP server), this option will work. Thought, I basically never have both pc's turned on in my own home... cuz i can use only one at the time anyway.So I was thinking of another setup
Option 2) Multi-master replication with: online Server, PC and Laptop. The server basically contains the most up to date database. for example, the laptop updates the server and the server can update the PC later, once the PC is turned on. Also the other way around, the PC can update the server which can than update the Laptop.
There is, if i'm correct, only one problem: the only multi master replications setups I found, use a circulair setup... (1 updates 2, 2 updates 3, 3 updates 1) What I need is to have the PC update the server, but ALSO have the server update the PC (same for the laptop)
than there is another (little) problem: the PC and laptop cannot be reached from behind the modem, nor do they have a static IP. My question: Is it possible to sync the server with the laptop (that has no static IP), the laptop with the server (that has a static IP), and the same for the PC
PC <====> Server <====> Laptop
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Mar 21, 2011
I am attempting to setup an Ubuntu server as a secondary DNS server. It seems whenever it tries to dump the master file the system log shows Permission denied.let me know if more information is needed.NOTE: where it says example.com I have simply removed my actual Domain name.
Mar 21 21:49:24 ulinux named[14418]: zone example.com/IN: Transfer started.
Mar 21 21:49:24 ulinux named[14418]: transfer of 'example.com/IN' from 192.168.0.15#53: connecte$
[code]....
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Feb 8, 2011
I need to perform instant filecopy between a pair of servers. Its loosely based on a master slave setup as we have ucarp floating a virtual IP between the two. services are on both boxes (tftp, apache). I'm happy with that, I now need a way to instantly sync files from set directories, as we could see problems if files have changed should the system fail over without being in sync
I know I could cron *1 but I don't want it running EVERY minute, in any case, if the change was within the last minute, then it wouldn't have the change anyway. I think it can be done with rsync daemons on box boxes, but I can't find a guide to to this. ATM the slave has been setup to accept rsync from the master, so I just need the config to have all changes on the master instantly replicated.
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May 4, 2011
I am trying to build my second home file server after building an experimental x386 unit.
Gigabyte x64 Motherboard with 3core processor and 4GB RAM
10 1.5TB SATA HDD (Mostly WD15EARS and W15EADS)
2 2TB SATA2 HDD (WD20EARS)
I want to create a RAID 6 Array of the 10 1.5TB drives and (1.5 TB partitons of the 2 TB drives) the remaining 0.5TB of the 2 TB drives will be used for RAID 1 arrays (SWAP, root and usr)
When i partition the drives the 1.5 TB drives can be Primary or Logical. The 2 TB drives do not give me this option.
For the 2 TB drives:
- i can partition into 8GB Swap, 20 GB root, 474GB usr and 1.5TB RAID6.
- When i select (Physical partition for RAID) I CANNOT change the Bootable FLag to ON. It always stay OFF. If i use other file systems such as exf4 it can be changed to ON.
- when i continue with the installation it fails while installing GRUB.
Questions:
Why does my 2TB drive not allow me the choice of Primary or Logical?
Is the Bootable Flag = Off the reason GRUB will not install?
How can I achieve my goal of using the 2TB drives for RAID 1 and RAID 6
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May 17, 2010
I have no idea what is going on here and this is the second time it has done this but. I just installed Lucid Lynx Desktop Edition for my Server. I have installed apache php5 mysql binarys. I have 3 ips on the machine 10.0.1.30, 10.0.1.37, 10.0.1.38. .30 is the main ip 10/100 the rest are 10,100,1000 ports. I can only access Apache 2.2 over .37 or .38 but not .30
I have not used Ubuntu alot but I am starting to and this really pisses me off since all my computer have aliases to the machine through .30
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Aug 27, 2009
Faced with disk-bound issues on a FTP server with high traffic. Would like to set up multiple FTP server nodes with dedicated storage for each node where all FTP access is managed by a master FTP server. So, a user would FTP to a single externally visible IP address for the master FTP server and then get routed to the appropriate FTP node. Are the mutiple FTP nodes required or is there a better way of doing this? Perhaps only one FTP server is required and then each node would serve as a separate file server
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Mar 23, 2011
setup - one primary dns and one slave dns. zone transfer works, internet works, dig lookup works. if i bring down the primary, everything stops working. should'nt the slave dns pick up the slack when the primary dns goes down.
zone "2.168.192.in-addr.arpa." IN {
type slave;
file "slaves/192.168.2.db";
[code]...
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Feb 20, 2010
This is the scenario: Active Directory Server = 192.168.0.1 Squid/Dansguardian Proxy Server w/NTLM Auth = 192.168.0.10 The Linux box has been integrated with AD and works fine. Users can authenticate automatically when login the AD or when they access the web through Basic authentication. That part is just fine.
But, when I add a new user, or change a users' primary group, I have to change the 'filtergroups' file in Dansguardian. I tried to make auto this process using the USERMAP and USERMAP2 scripts in [URL].. at the "Extras and Add Ons" section, but both scripts doesn't run properly in Ubuntu if they are not changed. I tried, following the instructions, but got a lot of syntax errors. So, I wrote a very simple script using 'net rpc' to retrieve all users according to the AD Security and Domain Groups. I created an output folder in dansguardian to dump the rpc outputs into files. And read the files to apply filtering groups.
[Code]...
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Mar 31, 2010
I have a load balancer with 2 web servers behind it. The web servers rsync with cloud storage to update their apache directories 1 time every hour. Apache is just running php pages that pull/push data to a DB so they dont need to be updated that often. However I need to figure out how to implement a Master/Master MySQL setup to have my web servers point to for the PHP stuff. I need to implement it without having a single point of failure. The Load balancers are useless for failover as they only detect availability based on Ping request. So putting a master/master setup behind a Load Balancer is out. what is the best way to setup the master/master mysql in a HA setup without the use of a load balancer provided by the host?
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Jan 1, 2010
I am experiencing trouble configuring suPHP on my Ubuntu 8.04 web server. I've googled around quite a bit and the general consensus is that you first disable php5, then install the suphp module (I did that from the repo). I configured one of my Vhosts to use suPHP_UserGroup, but I get the following error:
Invalid command 'suPHP_UserGroup', perhaps misspelled or defined by a module not included in the server configuration
I know the module is loaded, so I'm not sure why I'm getting this error. Is a Vhost the right place for this setting? Note that I installed from the repository instead of compiling from source if that makes any difference. Any insight on this issue? I can provide configuration files if need be.
Edit: After some extended googling, from what I understand I have to recompile suPHP using the 'paranoid' mode. Am I correct?
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Jan 13, 2011
Have any detail configuring RSyslog on ubuntu 10.04? with web interface view
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Feb 8, 2010
I'm using ubuntu 9.10 64bit and I'want to configure php mysql and lampp. Also the package mysql-ser is already installed, so if I install MYSQL GUI tools(Administrator, query browser..) from my synaptic package manager will it detect the mysql already installed ? Also tried configuring lampp by extracting it in my /opt directory and i started the server, which MySQL ll it detect the one which was previously installed otr the oin that in gui tools ?
Also think the current ubuntu repository does't have latest build of mysql GUI tools, so how the above mentioned things ll change if I try to download the individual package.
Oveall what I want is to configure Mysql GUI tools, Mysql workbench, xampp and php(For this I'm using Bluefish and Komposer). Please help me out so that I can leave windows for my Web-projects.
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Feb 17, 2011
I have attempted to set up ubuntu server 10.10 on my home network. I only have one computer and access to windows is a must for me, so what I have been doing is installing the server via VMware as a virtual server. Now, I have been able to successfully set up a server that works on the LAN, but for some reason I have been unable to get access to the server via the external ip address.
I will list all known information about my network, host computer and VMware.
I'm currently using VMware Workstation. For the virtual machine I have installed, I have allocated 500 GB of space to a partition on my 2 TB external hard drive. The network is currently set to NAT, but I would much prefer to Bridge the network so that the guest would be assigned a unique LAN address.
The host computer is a laptop. It is connected to the internet through a wireless router. I can successfully host a teamspeak server that accepts incoming traffic from the internet. The operating system that is installed is Windows Vista.
The network is set up as follows:
The host's LAN address is 192.168.1.50 and is connect to the Router which has an address of 192.168.1.1. I am using a Netgear WNDR3300v1 wireless router. The webserver itself would likely have the IP 192.168.1.2 in the circumstance that the network was bridged for the virtual machine. So the WAN Interface would be the modem my company has provided which has assiged the external IP 24.113.92.228. The modem is a cable modem, the brand is a motorola surfboard.
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May 26, 2011
I'm trying to install Zimbra and Apache. I'm having difficulty setting up DNS (if necessesary) and also configuring my /etc/hosts show me what the /etc/hosts should look like.
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Mar 15, 2010
installed ubuntu 8.10 64bit on left over parts for file serving with windows 7, tried the sample config file that installed with it with no luck, then tried new config file, looking at the samba.org website and other peoples configurations i came up with this
[global]
netbios name = NETBIOS_NAME
workgroup = workgroup
security = user
[code]....
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Dec 27, 2010
i am setting up a raid 1 on a netbook with the 30gb internal ssd as the primary drive and the 32gb sd card as the mirror. i am following the instructions here...
[URL]
i have several working raid 1 arrays under my belt using usb sticks and want to try something more advanced and practical now.i have configured the internal ssd with no trouble, however, the 32gb sd card is not showing up in the installer. so i cannot configure it as the mirror. my 2gb sd cards show up when i run the installer why doesn't the 32gb sd card? if i boot into a session the primary ssd the 32gb card does show up mounted on the desktop. it shown as a dos partition.
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Jun 13, 2011
I recently installed Ubuntu 10.04.2 Server on a small desktop to use as a print server. During installation I marked the sSH, Print, and Samba services.I can ssh into it just fine and that's how I'm configuring it. I have a hp Deskjet F2210 connected to it.My end goal is to be able to use the scanner from my *buntu desktop and from a desktop running XP. All of these being connected via ethernet router.
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Apr 22, 2010
I'm replacing an ancient Netware server with a new Ubuntu 8.04 box running samba and LDAP. I want to see if there's a way to get Samba to emulate the way permissions propagate through Netware. Namely, if I see a directory structure like this:
[User Cant See]
--- [User Cant See]
------- User Can Edit.txt
------- User CANT Edit.txt
With Netware I can give permission to User to edit "User Can Edit.txt" and the permissions will propagate in reverse to allow User to see the two [User Cant See] directories and edit the text file. "User CANT Edit.txt" will still be invisible to User. This is very convenient as I can simply give user access to one file, they can navigate to it through the directory structure, and all files not explicitly given access to will still be invisible.
With Samba the only way I've been seeing to get this would be to explicitly give User access to both [User Cant See] directories, give him access to the "User Can Edit.txt" and remove any access to "User CANT Edit.txt" and every other file in the latter two nested directories.
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Nov 14, 2010
I have installed Redmine according to the instructions on [url] according to the mod_cgi instructions which seem to be the easiest to follow.
The script installed in the installation directory was called 'dispatch.fcgi', and not parsing when I visited the page through the browser, just displaying the contents of the script. OK, so I installed the apache mod libapache2-mod-fastcgi using apt-get. Then 'a2enmod fcgid' followed by an apache restart.
Now when I visit the Redmine folder through the web browser I get 'Forbidden You don't have permission to access /redmine/dispatch.fcgi on this server.'
I checked to ensure www-data owns all files and has correct permissions to the folder. But this doesn't seem to work.
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Jun 23, 2011
It appears that my ISP is blocking port 80, so I can't set up a proper website on my home computer. I'd like to choose a different port to use (they block 443 also), and I'm not sure how to do this with Fedora (or any Linux flavor for that matter
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Sep 29, 2010
I want to know the configuration steps for 2 mail servers on diferent IPs. But I want this setup on single vmware machine(debian).
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Oct 7, 2010
I have one PC with Ubuntu 10.04 LTS installed, and so far I've configured it and installed it with so many packages and settings. Now, that I want to install the same Ubuntu version on my Notebook. The question is : Can I 're-master' my Ubuntu on my PC with all of the packages, settings and drivers installed? so I will have an ISO file complete with all of those packages and I just install it to my notebook without having to re-installing the packages?
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Oct 18, 2010
Dell Inspiron 9400/E1705. In earlier versions of the sound settings in Ubuntu, I could press CTRL, then MASTER, PCM and LFE, and the volume buttons, whether on the front, using Fn + UP/DOWN or the slider in the systray would also lower or raise the volume of the subwoofer, because they would all be "bonded" together.
I have tried several things to make this work in later versions of Ubuntu, but nothing's worked. alsamixer won't allow it, sound settings are too simple, the ALSA-packages are so numerous it would take me months to check them all.
I know the solution is as simple as making the volume controls regulate all three, but I don't know how to do it anymore. And it's a real shame actually, because that's the only thing not working on this machine, and it was such an easy fix up until 9.10 (I think)
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Jun 7, 2011
How do I get to a "master" inbox in Evolution? One that shows all emails from all inboxes of all accounts I have integrated? There is one that looks like it should be the one (under a heading titled "On This Computer"), but it is not showing any emails.
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Jun 14, 2010
I am doing a small research using Kismet. I need help configuring Kismet with my Asus A52J. The Wireless card in my laptop is AR5B95. When I start Kismet I get the following error
[Code]...
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Aug 6, 2010
Code:
root@Atlantis:~# iwconfig wlan0 mode master
Error for wireless request "Set Mode" (8B06) :
SET failed on device wlan0 ; Invalid argument.
root@Atlantis:~# iwconfig wlan1 mode master
Error for wireless request "Set Mode" (8B06) :
SET failed on device wlan1 ; Invalid argument.
All other modes except secondary work fine.
The wireless cards are both PCI, a Netgear WG311v1 and a Linksys WMP54Gv4.1, though I'm not sure which is which.
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Aug 14, 2010
i'm about to perform a fresh ubuntu install, and i was wondering if anyone knew whether installing on the slave or master drive mattered. i know if you're installing on the same drives it's slightly faster for ubuntu to be installed first, but that doesn't seem to be the case since i have two separate drives
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