Fedora Networking :: DNS Broken After Upgrade To FC10?
Oct 20, 2009
I recently upgraded my x86_64 system from FC8-FC10 using Pre-Upgrade, and here I got some help fixing all the package conflicts that resulted. Following the first reboot after this massive package update, it appears DNS doesn't work in some apps.
I could ping www.yahoo.com, and nslookup www.yahoo.com resolved the name, but firefox and links couldn't. Typing the ip addr that nslookup gives for www.yahoo.com works fine in both firefox and links. Something's obviously wrong with DNS.
I found a workaround for Firefox which is to browse to about:config and set network.dns.disableipv6 = true. Firefox started resolving names after that.
But then I noticed yum is DNS incapable as well. I don't know how to fix it. Here's what I get:
Code:
[~]$ sudo yum update
Loaded plugins: allowdowngrade, refresh-packagekit
http://linuxdownload.adobe.com/linux/i386/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (-2, 'Name or service not known')>
Trying other mirror.
[Code]....
Does anyone have any additional info on workarounds or fixes for this DNS problem?
The machine in question has a static ip addr, and I have static nameserver addrs in /etc/resolv.conf, corresponding to the static settings provided by my isp.
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Mar 26, 2009
just as the title states i need to upgrade my os from fc4 to fc10 first let me say i have no physical access to the box. all i have is root ssh access to it. So i need to know the best way of upgrading that will be safe. before i do the upgrade the server will be backed up so i will not loose any files. if the upgrade fails the data center will reload the os with what i need on it. but i would rather not have to format.
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Jun 13, 2009
After upgrading to F11 I have had a few problems with some applications most like miro I was able to fix by using yum remove and then reinstalling. It appears that after updating some applications have stayed with the fc10 versions despite fc11 versions being available.
yum list | grep fc10 | grep installed
anthy.i386 9100h-4.fc10 installed
compat-db45.i386 4.5.20-5.fc10 installed
cronie.i386 1.2-8.fc10 installed
[code]...
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Apr 20, 2009
I upgraded to fedora 10 using yum but i have a problem, the installation went fine and after rebooting i got a login screen. I typed in my user name and password and after a second it returns to the login screen. Im sure the username and password are correct. If i type in another password i get an error message. So how can i log in?
This is what i did to upgrade to Fc10:
Code:
Then i got an upgrade wizzard and selected Fedora 10 and than reboot.
In the grub menu only one kernel is present which is the Fc10 so couldn't use the old one.
I've tried to edit the kernel with single for single user that works gives me a command line but im just not experienced enough to figure out how i can use the command line to login.
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Jun 22, 2009
I've been running FC10 with all updates and had downloaded the FC11 DVD. Yesterday I upgraded to FC 11 using the DVD and it appeared that everything went fine. However when I tried to do ayum updateI got the following error. There was a problem importing one of the Python modules required to run yum. The error leading to this problem was:
No module named yum
install a package which provides this module, or verify that the module is installed correctly.
It's possible that the above module doesn't match the current version of Python, which is:
2.6 (r26:66714, Mar 17 2009, 11:44:14)
[GCC 4.4.0 20090313 (Red Hat 4.4.0-0.26)]
go to the yum faq at: [URL] I'm not sure what to do next. I also noticed that all my previously configured repositories are lost.
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Feb 6, 2009
What is the best method to upgrade Fedora from 8/9 to 10? I have the DVD, and whenever I try to boot from the DVD it locks up the PC after selecting the default language stuff. I've run the media check on the DVD, and it passes with no problems. I am behind a firewall and for some reason the configuration is not allowing YUM to get through the firewall, but Firefox can get through (I have another post for this issue).
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May 4, 2009
I tried doing an upgrade straight from fc5 to fc10. The upgrade seemed to go all right but once it was completed I've noticed some issues. My main issues are these:
1. After the upgrade all my desktop icons have disappeared and I'm not sure how to recover them. (this applies to all user account on a home machine)
2. When I click the right mouse button on the desktop I get no context menu but I do get the menu when I right click on my top or bottom menu bars.
3. When I try to launch any applications, games, etc., I see the icon show up in the bottom menu bar for a few seconds but then it disappears and the application never launches.
Those are the primary problems I'm encountering right now. I know the files in the home directories are still there (I did CTRL-ALT-F2 into a terminal and logged in as root. Normally I would've done CTRL-ALT-F1 but when I did I saw acpid messages and no prompt.) I've looked through the forums here but nothing I came across quite seemed to fit my needs.
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Jul 8, 2009
I'm having a problem getting BIND to start after doing the FC10->FC11 upgrade. Others have been reporting some bad symbolic links, but this isn't that problem. I've searched the forums here, but I don't see anything like this anywhere.
Here's what I see:
Code:
[root@atomu etc]# /etc/init.d/named start
Starting named: [FAILED]
So, no error message. Logs read as follows:
Code:
Jul 8 00:38:00 atomu named[2414]: starting BIND 9.6.1-RedHat-9.6.1-2.fc11 -u named
Jul 8 00:38:00 atomu named[2414]: built with '--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu' '--target=x86_64-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc'
[code]....
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Jan 23, 2010
After the Upgrade of my Fedora Insatallation (FC 10 => 12) I have some problems with Gnome and the Login via console. The system actually boots fine and all kind of services like Postfix, IMAP, Samba, SSHD, Apache, etc. are avialable normally.
If I try however to work directly on the server I only see the completed Fedora progress icon and not as hoped for, the Login to Gnome. Also the attempt to change to a plain console with ALT-CTRL-F1 fails.
Since actually everything seems to work quite fine, I am somewhat helpless, according to should I look for, to get Gnome and the Console Login working again.
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Aug 2, 2009
How can I force the upgrade FC10 -> FC11 with online download? Somewhere in Software Update settings?
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Oct 19, 2009
I recently upgraded my x86_64 system from FC8 to FC10 using Pre-Upgrade. (related blog link) It appears that the upgrade process installed a steaming pile of i386 packages that are duplicates of existing x86_64 packages. I now get update errors because of this package clash. I have searched the fora and the most progress I've been able to make so far is: I apparently had 8 unfinished yum transactions so I did yum-complete-transaction 8 times and have no more incomplete transactions.
The output of package-cleanup --dupes is not very helpful:
Code:
[tim@servy ~]$ sudo package-cleanup --dupes
Setting up yum
Loaded plugins: refresh-packagekit
Yet I still get transaction errors when I run updates via synaptic. It checks dependencies and downloads everything and errs when testing changes. This is the error it gives at the moment:
Code:
Test Transaction Errors: file /etc/gconf/schemas/gweather.schemas from install of libgweather-2.24.2-1.fc10.x86_64 conflicts with file from package gnome-applets-1:2.20.1-1.fc8.i386
[code]...
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May 20, 2010
I have a number of CentOS 5.4 machines that use kerberos to authenticate. This works fine. However, after upgrading one of them to CentOS 5.5 it is no longer possible to log in.
In 5.4, I get this in the log:
> called to authenticate 'hans', realm 'MYREALM'
> authenticating 'hans@MYREALM'
> not using an entered password for 'hans', allowing libkrb5 to prompt for more
> authenticating 'hans@MYREALM' to 'krbtgt/MYREALM@MYREALM'
[code]....
Note the absence of the line where libkrb5 asks for a password. Running "kinit hans" on the machine (as root, who can log in) works as it should, so I don't think anything is wrong with kerberos as such (as I did yesterday, in [URL]. Clients still running 5.4 have no problems, so the problem was introduced in 5.5.
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Mar 27, 2009
I recently upgraded from FC7 to FC10 (Also, the Kernel from 2.6.22.9 to 2.6.27.19).I did the upgrade through Yum (First installed the fc10 rpms, then did yum upgrade).Now the new Kernel won't boot.These are the options in GRUB for the new Kernel
Code:
root(hd0,1)
kernel /boot/vmlinuz-2.6.27.19-170.2.35.fc10.x86_64 ro root=LABEL=/ rhgb debug
[code]....
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Feb 6, 2009
I'm currently running FC9 and I have no problem with my network connection. Now I just installed FC10 on another partition too try it out, but I don't seem to get it work. I disabled the NetworkManager (like in FC9) and enabled the Network. I'm using static IP, when in go in Network Configuration/Ethernet Device/General, the subnet mask is always taking the address of the Default gateway address when I press OK.
my subnet mask is 255.255.255.0, and my gateway is 192.168.1.1, but after I press ok they both go back to 192.168.1.1
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Mar 21, 2009
I and my friend use FC10 on our laptops. We want to share our data by creating a wired network between our machines because a wireless router is something what our pockets can't afford. What should I do for it? What type of wires and stuffs do I need? I Googled for some link for doing so in FC10 but couldn't find.
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May 10, 2010
I have a thinkpad using the iwl3945 driver (Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26ks).
This worked flawless until I upgraded to 10.04. Now after a while my connection drops. Syslog is appended.
May 10 20:16:04 gimli NetworkManager: <info> Activation (wlan0) starting connection 'Auto my-network'
May 10 20:16:04 gimli NetworkManager: <info> (wlan0): device state change: 3 -> 4 (reason 0)
[Code].....
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Mar 4, 2009
I'm bonding the two NICs on my FC10 server to create a bonded LAG between it and my Cisco Catalyst switch, but during kernel init, the system always give me a notice that "bond0 doesn't appear to exist" so it skips it.Once I log in, I can always open Network Manager and the bond0 interface goes from "Inactive" to "Active" and bond0 immediately works, and I can restart the appropriate network services and everything is fine. But any idea why this bonding wouldn't be initializing during boot up? The ports on the Cisco are configured for hard set speed and duplex and portfast is turned off on them.Is there a guide for best practices for creating LAGs (bonded interfaces) between FC10 and Cisco switches?
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Aug 1, 2009
How can i run internet in FC 10(KDE). I have wireless lan card in my pc.
TPLink TL WN353G.
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Jun 9, 2010
I recently upgraded Ubuntu 9.10 to 10.04 and my wireless stopped working. It can detect that there are networks around, what their signal strength is, and then try to connect to one, but it just keeps connecting. After around 5 minutes, this stops and nm-applet says no network connection.
After I try to connect, dmesg is spammed with hundreds of the same message. I can not post these here, as I am writing from a different computer and I have no internet access from my main computer.Also, there is nothing in interfaces.conf other than lo. For some reason, my card is referred to as both wlan0 and wmaster0, with this changing depending upon where I look.Most interesting of all is that, even after I reinstalled 9.10, wireless is still broken, even though it wasn't before. It also used to work under liveCD.
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May 18, 2010
I had a working client installation with CentOS 5.4, using kerberos and PAM to authenticate. After an upgrade to 5.5, logins for users are no longer possible. Instead I get this:
/var/log/messages: gdm: Couldn't set acct. mgmt for <user> /var/log/secure: gdm: pam_krb5: authentication fails for '<user>': (<user@domain>): Authentication failure (Cannot read password) gdm: pam_krb5: account checks fail for '<user>': unknown reason -1765328254 (Cannot read password) gdm: pam:krb5: User not known to the underlying authentication module (Client not found in Kerberos database) "kinit <user>" still works as expected, and <user> has no problems logging in from other types of clients. Something kerberos-related apparently broke in CentOS 5.5,
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Mar 16, 2009
Since 2.6.27.19-170.2.35.fc10.x86_64, dhclient wlan0 doesn't seem to work any more.
However, bizarrely, dhclient eth0 does (to the same D-link wireless router).
The AP shows connected - tail /var/log/messages
No working leases in persistent database - sleeping.
WINXP connects just fine. This (B43) has worked nicely ever since FC10 came out, and I was able to use the WiFi at all kinds of places on a recent trip. Other than a couple of yum updates, I don't think anything else has changed since. Other devices on the wlan are getting their DHCP requests satisfied correctly.
Is anyone else having this problem since about a week ago? Perhaps there's something really obvious I'm missing. I can manually assign an IP address to wlan0, manually edit the routing tables and edit /etc/resolv.conf, and then Wifi seems to work OK, so it doesn't seem to be b43 itself unless it is dropping DHCPOFFERS. If this isn't a regression, does anyone have any tips about how to debug this?
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Aug 4, 2009
my eth0 suddenly stopped working on FC10. i have been using it the whole time, and now it refuses to even ping the gateway. dhclient is not receiving a dhcp offer and when i put in the information manually, it is not even able to ping the gateway. netstat -rn shows that the destination of the router is going nowhere.
i do not think it is the hardware/software, but rather maybe the provider? i am from central europe but just moved up to great britain and working at a friends place. i can connect the mac powerbook without a problem (it will get an ip with dhcp), but not the linux machine.it is a normal ethernet modem connection here. can it be, that it checks MAC addresses or even the computer names? the powerbook also has a really weired IP address: 77.102.xxxxx
i am not using network manager, but command line tools and have nm uninstalled. does anyone have a clue, what this could be about? i am not a newbie, but this is really puzzling me.....
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Sep 2, 2009
I have just updated KDENetwork to this level and now my F10 doesn't find any wifi connection. By the way, I have been working with F10 for some months without any problem on wlan.
iwconfig now says:
wlan0 IEEE 802.11bg ESSID:""
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Tx-Power=0 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
[code]...
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Jun 13, 2010
I was trying to clean up packages after an upgrade and I broke yum.
Quote:
There was a problem importing one of the Python modules required to run yum. The error leading to this problem was:
Please install a package which provides this module, or verify that the module is installed correctly.
It's possible that the above module doesn't match the current version of Python, which is:
Go to the yum faq at:[url]
I tried to download the RPM and install manually but I was getitng digest mismatch errors.
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Mar 16, 2010
I would like to ask whether somebody has had the similar experience after KDE 4.4 upgrade.
1. From the attached picture you can see that an icon for xine has a different size. When I change it manually and align the icon, it has previous status after the restart. If I delete that icon and recreate it again, it's smaller than other icons. Icon size for desktop is set up to 32, Desktop Activity.
2. Minimizing/maximizing e.g. Firefox breaks all icons in task bar. I am able to refresh only Firefox/Thunderbird icons.
What can cause these issues? Maybe:
1. my nouveau driver
2. bugs in KDE 4.4.
3. my theme
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Jan 28, 2011
I recently upgraded to Fedora 14 from F13 using Yum, it worked to my amazement except now yum appears to be broken because of a massive amount of dependency issues. It appears the old F13 packages are still around and yum is unable to get ride of them because their dependency with F14 packages of the same name. I tried yum distro-sync, and I tried yum resolvedep $(package-cleanup --orphans) --skip-broken but to no avail. Package--cleanup--orphans identifies all of the left over F13 packages.
I also can't install or upgrade anything using Yum, does give me a reason except the massive amount of dependency issues with the left over F13 packages. When I use the graphical software update it tells me among other things that Yum and RPM have updates but of course it won't update. I did follow the instructions and used yum update yum before I upgraded to F14, maybe it didn't take? Anyway to resolve this issue other than a clean install?
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Jun 2, 2009
I recently built my second general-purpose server, and recently installed fedora core 10 on it. The first thing I attempted to set up after installation was the network - and that's where it's gone wrong When editing a network device using the graphical system-config-network utility, I find that the subnet mask is being automatically changed to match the default gateway address every time I attempt to modify any of its settings (or sometimes even when I cancel the changes). This also means that I cannot set the subnet mask, as it simply won't accept my setting for it. I seem to be able to get around this glitch by setting the subnet mask using the shell version of the same utility, but that doesn't solve my network issue.
Even when I use the shell utility to fix the subnet mask, I'm unable to ping other computers or routers on the network even when ifconfig indicates that the desired ip address has been taken, and other computers on the network are also unable to see the server. I'm using a wired connection and a static IP address on a network with no DHCP.
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Jun 20, 2009
I'm having trouble getting my wifi devices to work on my 128bit WEP network. I have a new Thinkpad T400, with an internal Intel PRO/Wireless 5100 AGN. I also have some cardbus cards: a Lucent ORiNOCO Gold, a Linksys Wireless-G, and a TRENDnet TEW-421PC. I have them set up as interfaces eth2, eth1, and eth3. (The TRENDnet isn't recognised as a network card at all, so no interface for it.) I have installed the latest firmware for the Linksys card.
The /etc/sysconfig/network-scripts/ifcfg-* files are virtually identical for all of them, differing only in the HWADDR and DEVICE lines. So here's the behaviour:
1. The Lucent card comes up just fine.
2. The internal 5100AGN and the Linksys cards won't come up, and watching with iwconfig shows that they're either associated with my AP OR they've got an encryption key set -- but not both.
3. When trying to bring up the 5100AGN, I get the following messages:
iwlagn: index 0 not used in uCode key table
iwlagn: index 3 not used in uCode key table
/var/log/messages shows DHCPDISCOVER requests being sent, but they're bound to fail since the association with the AP with WEP isn't being completed. And yes, the ifcfg-* files really *are* identical except for the DEVICE and HWADDR lines. The /etc/udev/rules.d/70-persistent-net.rules file correctly maps the interfaces to the MAC addresses. So why does my antique ORiNOCO card work and thew newer ones fail? How can I track down what's being done wrong/not being done?
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Mar 3, 2009
I have been running FC8 on this IBM T23 with a D-Link wireless adapter. Using MadWifi this has worked fine with Network Manager disabled. But now I have nuked that installation and replaced it with FC10. Network Manager is nice, and I would like to use it. And it kind-of works. Network Manager recognizes my router and all my neighbor's routers, but I can't connect.
[Code]....
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Sep 1, 2011
I was having a problem with a fresh 11.04 install and the VPN software I use for work. I found the fix was to upgrade the software, so I downloaded an RPM, converted it to .deb and installed it via dpkg. The install worked and the VPN software now works, but Package Manager says I have a broken package and wants to 'upgrade' to the older broken one. How can I fix this without breaking my VPN SW again?
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