Ubuntu :: How To 're-master' 10.04
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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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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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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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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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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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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Sep 17, 2010
Can I set a master password for the system and I am the main user and have my password and then set password for all the other user
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Mar 19, 2011
How to overclock my computer, I just got a master gear so I can overclock computer till I can upgrade the cpu. Its AMD.
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Jul 22, 2011
On my backup drive I can no longer see any files. According to Testdisk program the master file table (MFT) is bad. How do I restore or rebuild the MFT?
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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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Jan 30, 2010
Ever since upgrading to Karmic, I haven't been able to adjust master volume when my USB headphones are chosen as the output device. If I try to adjust my master volume (via the media keys on my keyboard or gnome-volume-control), the output volume doesn't change until it's entirely muted. I can adjust the master volume fine when I'm outputting through internal audio.I am able to adjust the volume fine on an application-specific basis, but this becomes quite a nuisance, especially when I switch between internal audio (where master volume is regulated) and USB audio (where master volume is always at full-blast). This worked fine in Jaunty, and stopped working once I updated to Karmic. My USB headphones are listed as "Storm HP-USB500 5.1 Headset".
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Jan 31, 2010
When I try to set my Realtek Semiconductor Corp. RTL8187 Wireless Adapter to master mode I get the following error.
Code:
$ sudo iwconfig wlan0 mode master
Error for wireless request "Set Mode" (8B06) :
SET failed on device wlan0 ; Invalid argument. Is this the result of a driver or hardware incapability?
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Apr 29, 2010
I want to install more than on linux distribution on one computer (and the computer has Windows XP, too). How do you make a master grub2 installation that is in its own partition and that has entries that chainload different linux distributions that may have grub2 or grub?
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Jun 2, 2010
Upgraded to 10.04 and now ubuntu will not load and we are sent to a grub shell. Tried reinstalling grub without success. can't find /boot/grub/stage1.can't reinstall system from CD.Partitioner fails with?
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Dec 5, 2010
My master password is not saving any passwords in Firefox. I use this also in Windows XP, and all my passwords get saved. Furthermore, is this even a good idea to begin with? Can the passwords be stolen easily?
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May 1, 2011
I have an EeePC 901, with a 4gb SSD and a 16gb SSD installed. Trying to get Natty installed and hit a few problems not least of which, that it won't fit on the 4gb drive! However in my BIOS setup under HDD config it says:
Secondary Master=4gb
Secondary Slave=16gb
I have no other devices attached. Why aren't they Primary? And I can't seem to switch them round.
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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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Jan 21, 2010
I just tried out setting a master password for Firefox saved passwords and compared the old and new (before and after setting the master password) signons.sqlite files. Although passwords were not stored in plain text in either of the files, I did notice that the files were exactly the same. Am I wrong in assuming that setting the master password did not encrypt anything at all, or am I simply looking at the wrong file?
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Apr 24, 2010
I am running ubuntu 9.04 in my laptop. I want to change the wireless card mode of my laptop to master mode so that it can work like a access point.
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May 7, 2010
I am using ubuntu 9.10 on my desktop having a belkin wireless usb card. I want to change the mode of it to master mode. How can I do it?
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Jul 1, 2010
Windows' Master Boot Record seems to be damaged on my dual-boot.Here are the details.
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> HP/Gateway is installed in the MBR of /dev/sda
[code].....
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Oct 9, 2010
I've just removed PulseAudio and installed Envy24Control in order to make sound working with my M-Audio Delta 1010LT, it's working fine now, but the only problem is that the master volume control disappeared, and the buttons on my keyboard (volume + and volume -) are not working (with PulseAudio they were fine). Using Ubuntu 10.10
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Nov 27, 2010
I think I managed to corrupt my master boot record, or have a very intractable problem with Grub.
I'm not sure how I did this, but my desktop will boot Ubuntu fine from a USB, but every time I try to install it, the install seems to go fine, but when I finish the install and the machine tries to boot the OS from it's hard drive, it does not work. The monitor does not get a signal and it just goes to sleep.
I tried posting here to resolve the problem before, tried everything on this thread: [URL]
But nothing worked.
I have even tried running the system from a USB, running a "shred" command for the hard drive and then reinstalling - my theory was that the shred command would destroy all the data on the hard drive anyway, and allow a "clean" install from whatever was corrupt on it, but no luck - when I installed Ubuntu on the hard drive, same problem.
I'm not clear where the problem lies now, I'm assuming there is something up with it's master boot record, but there are no partitions on it's hard drive and I started with a completely blank, unformatted drive.
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Mar 12, 2011
I'm running Ubuntu 10.10 and try to get my wifi to work in master mode. The dongle is a Asus 167g v3 and I'm using the rtl8192SU driver. I can connect to a network or put the dongle in Ad-hoc mode without a problem. It's when I try to put in master mode some problem occurs. When I do:
Code:
sudo iwconfig wlan1 essid test mode master
This is the output I'm getting:
Code:
wlan1 unassociated Nickname:"rtl_wifi"
Mode:Master Access Point: Not-Associated Sensitivity:0/0
[Code].....
The dongle is in master mode but it fails to assign a SSID. I also tried to set it up in /etc/network/interfaces but the result is always the same... No SSID
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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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Mar 23, 2010
I want to back up the master boot on my hard drive, in case something screws it up. What software do you recommend for this?
My first idea is to boot from a Linux CD and dd the first 512 bytes of /dev/sda, and dd it back to recover. Will this solution work, and is it safe?
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Feb 1, 2010
I have a Acomdata external hard drive enclosure with a PATA hard drive set to Master. I want to just be able to read and write to it as a storage drive, lsusb sees the enclosure Acomdata but not the drive, what do I have to do to read/write to the hard drive ??
tail -f /var/log/messages ;
localhost kernel: usb 2-3: new high speed USB device using ehci_hcd and address 6 localhost kernel: usb 2-3: New USB device found, idVendor=0c0b, idProduct=b157
localhost kernel: usb 2-3: New USB device strings: Mfr=10, Product=11, SerialNumber=3
localhost kernel: usb 2-3: Product: DMI USB2.0 Storage
localhost kernel: usb 2-3: Manufacturer: DMI
localhost kernel: usb 2-3: SerialNumber: 2009102609E0
[Code]......
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