Fedora Networking :: F12 Full Crash Possibly From Dhclient?
Apr 1, 2010
I got a full system crash each time I try to do anything with network. Been fighting with this problem for weeks now. What I did: -tried every driver for broadcom4312 and it turned out that it even crashes with cable net
-got rid of networkmanager
(
Mar 11 08:01:43 geburah NetworkManager: <info> Activation (eth1) successful, device activated.
Mar 11 08:01:43 geburah NetworkManager: <info> Activation (eth1) Stage 5 of 5 (IP Configure Commit) complete.
)
used:
ifconfig eth1 up
[Code]...
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Sep 29, 2010
I am running Fedora 13 and after my machine is booted my ethernet interface eth0 does not have an IP address. Running
Code:
At the terminal does not work, and I can see that in /var/log/messages I have the following error:
Code:
I assume that the same command was attempted during the boot process (please correct me if I am wrong) to use DHCP to get an address for eth0, but failed for the same reason it is failing after boot when I run it manually, whatever that reason may be.
I noted, however, that eth0 IS in broadcast mode:
Code:
I also noted that running
Code:
Does in fact work and will run DHCP and configure eth0 with an ip address.
It is quite mysterious to me why running 'dhclient eth0' will work, but manually running 'dhclient' does not.
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Apr 30, 2010
Code:
Commands as root works well when normal user is logged in and connected to net via KDE 4 network manager, but after logoff network is gone. And it is impossible to get it back because command mentioned above stops working!
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Jul 7, 2011
I have just installled fedora, and I am puzzled by dhclient-script. Because it gives the router ip as nameserver 192.168.0.1. I have had other linux distro on same machine that resolves the correct nameserver without any configuring.
Does anyone know how to get your ISP:s nameservers instead in /etc/resolv.conf when running dhclient from CLI? I have thought about edit /sbin/dhclient-script. But if that is the case. Which option should I edit?
Quote:
My system
OS=Fedora 15
Kernel=Linux fedora_15 2.6.38.8-32.fc15.i686.PAE #1 SMP Mon Jun 13 19:55:27 UTC 2011 i686 i686 i386 GNU/Linux
Router =DLINK dir 100 (IP 192.168.0.1)
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May 9, 2011
I'm running Xubuntu 11.04 with Skype 2.2 (although the problem presents in 2.1 as well). I've found that when I'm in a call with another person, and BOTH of us are using our webcams, Skype will randomly crash the entire system and force me to hardboot. I say randomly because A) it doesn't always happen, and B) it happens at random intervals. Sometimes as quickly as a few seconds, and sometimes several minutes. The crash appears differently each time. Sometimes the entire screen just freezes, sometimes it goes black with a white cursor, sometimes it goes to a CLI with what appears to be a kernel panic, and one time it even causes a CLI with what appeared to be flashing/scrolling text. I've check syslog and kern.log, as well as Xorg.0.log.
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Feb 27, 2010
i just found out (late i know) that the knew skype beta 2 now comes with the awesome screen-sharing feature that skype for mac and skype for win comes with..so i uninstalled the old skype and installed the new beta version with lightning quickness to try that out.. (and show off my compiz effects to all my friends lol!!)anyway, it seems to only work halfway for me. sharing the FULL screen will cause my skype app to crash and close instantly. but sharing a screen selection works just fine... even though i can't resize the screen selecting area.. but it's not that big a deal for me.
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Jun 21, 2011
I'm having a strange problem with KDE, to which there may be no solution but thought I'd ask anyway. I play several games (Neverball, several MAME games and even ZSNES and others) and it seems that if I have desktop effects turned on, KWIN will crash every time I exit a full screen game such as those mentioned above and others. If I disable desktop effects before starting the game, everything is fine. The games themselves run fine while desktop effects are enabled, I don't have to remember to disable desktop effects before clicking on a game.
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Jan 31, 2011
While i am configuring network setting on backtrack4. i was running my backtrack on vmware workstation and NAT is bridged to physical mem like it was said on the tutorial that watched. i typed ifconfig eth0 up, and hit enter, as well as dhclient eth0 up, but resulted in different output. it says "no such device" is written and i would like to configre this problem.
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Jan 21, 2010
Had a problem getting my internet connection working with Ubuntu, but I resolved that issue. Problem is I still have to manually run dhclient every time Ubuntu boots, because I have no network unless I do. Is there a script or something that can do this automatically?
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Jul 11, 2011
I am seeing the following error on a linux client..
daemon.info dhclient: No working leases in persistent database - sleeping
is this a problem within the client or related to interaction with DHCP server?
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Nov 28, 2010
For test purposes I'm running Ubuntu 10.10 from a USB stick with a USB WLAN stick.The system finds the WLAN router and acquires an IP6 address, but no IP4 address.With "dhclient wlan0" though it does get an IP4 address and connects o.k.How do I setup the system so that this dhclient call is done by the system at startup (or whenever it is necessary)?
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Nov 8, 2010
I have a simple server running Ubuntu Server. Usually the server connects to the network by Wifi, so there is usually no cable connected to the Ethernet port. I noticed that there is a dhclient3 running on eth0 anyway. It is causing undesirable disk activity. Obviously, it is never going to get a response as long as no cable is connected. I can kill the responsible process manually, but I wonder first what is starting the process and how I can prevent it from being started. If there is a way to get the server to boot without starting this process, I wonder whether this is the right solution. Connecting to the network by Ethernet is the failsafe when Wifi doesn't work. I guess what I would like to see would be a way for the server to detect when eth0 does not have a cable connected and not start dhclient in that case, but to activate dhclient when a cable is connected.
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May 26, 2011
i've configured the machine to use a static ip yet dhclient still runs and obtains an ip. what needs to be done to stop this? it has to be something i can put in a script since i have written a setup script to run on several machines. this setup script creates/modifies several files with a few key ones shown below:
/etc/sysconfig/network
Quote:
HOSTNAME=csec7154
NETWORKING=yes
NISDOMAIN=csma
NTPSERVERARGS=iburst
[code]....
and the files, hosts, resolv.conf, network and ifcfg-eth0 in the /etc/sysconfig/networking/profiles/default directory all link to their respective files as does /etc/sysconfig/networking/devices/ifcfg-eth0. thanx!
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Jan 13, 2011
I have the following system
# cat /etc/redhat-release
CentOS release 5.5 (Final)
# uname -r
2.6.18-194.32.1.el5
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Feb 24, 2011
I'm running Ubuntu 10.04.2 LTS and from time to time eth0 connection is lost.
Looking at syslog (below), if its a hardware (network card) problem or a software bug?
syslog file:
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Mar 11, 2010
I have a dynamic Internet connection. My eth0 is configured to DHCP client. I need to rum one personalized command all time the dhclient renew the lease. I have a program that update the /etc/hosts with the new IP and I need to run this command when dhclient receive one lease update.
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May 24, 2010
How to disable dhclient on redhat host.
I have set static IP to one of my redhat host but I don't know how it changes to some other IP after few hours.
Here is the output from ifcfg-eth0 and rc.local
Code:
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Jan 5, 2010
I used ssh to log into my sever that I had and I from there I ran the command dhclient eth by mistake on the server but the serve had an static IP address. Unfortunately I can't ssh back into the server anymore! It replies back with No route not host. Now my questions are. First of all how do I change it back into the previous setting? Secondly, can I do this remotely since the server is in another place and I don't have access to it right now or do I have to go there and sit behind it and play around with it there?
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Jun 22, 2009
On my PC (fresh FC11 i386 instllataion from CDs), dhclient doesn't work. When it tries to get an IP address with dhclient, it gets No DHCPOFFERS reveived and fails. The ethernet of my PC works fine - I can manually set IP address, netmask, gateway etc. to connect to my persoal Linksys router, but if I change to DHCP, it fails as above. So it's not the problem of the ethernet driver of FC11. I suspect that dhclient of FC11 is buggy. (For the record, DHCP works fine on FC10 and Windows XP with my Linksys router.)
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Feb 24, 2010
I am trying to install dhcp server on F12 with yum, but at the time I issue yum install dhcp, I got the following message:
Transaction Summary:
Install 1 Package(s)
Upgrade 0 Package(s)
Total size: 821 k
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Check Error:
file /usr/share/man/man5/dhcp-eval.5.gz from install of dhcp-12:4.1.1-5.fc12.i686 conflicts with file from package dhclient-12:4.1.0p1-17.fc12.i686
file /usr/share/man/man5/dhcp-options.5.gz from install of dhcp-12:4.1.1-5.fc12.i686 conflicts with file from package dhclient-12:4.1.0p1-17.fc12.i686
And I see that if I uninstall the dhclient package, I will lose my networkmanager, which I also need, is there a way to have a dhcp server as well as dhclient utility on fedora as it is possible on rhel?
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Mar 17, 2010
Latest FC12 update included dhclient-4.1.1-9.fc12 which fails to configure eth0 after restarting the computer. Had to remove/downgrade to 4.1.0* (and reinstall dracut and NetworkManager(-glib)). There is no config file in /etc/dhcp/dhclient.d so I don't know how to reset dhcp/eth0 to connect. Thought some one smarter than me might have noticed this by now and worked out a solution. Can't tell that anything in Bugzilla sounds like my problem. Might only be x86_64 or KDE-4.4 problem as my 32-bit Gnome install is not affected. Easy enough to grab the rpms, just annoying. Still haven't learned how to keep a package at version x.x with Fedora yet but that's another topic.
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Sep 10, 2009
I have a Broadcom NetXtreme BCM5754 NIC and I cannot seem to get the NIC to auto link at Gig speeds. It will only link @ 100/full.
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May 24, 2009
Could someone please explain what does "BGP default / metro / full tables" means?I have to sign a contract with my ISP for BGP peering, and I have to choose between those three BGP tables... What does that mean? If I choose only metro, will my IP class (the one I'm gonna route through my ISP) have access to the whole internet or will I be stuck in the ISPs metropolitan network?
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Jun 14, 2011
I'm running Fedora 15 with current updates and kernel. I do not have anything special or non-standard about my configuration or setup. I use grsync to sync my home folder files to a remote rsync server on my network. I've checked my hard drives and my memory and everything else I can think. Here is the problem:
grsync will run for some time and once it nears completion it will crash. This, however, is no standard crash. It literally shuts my computer "OFF". I have shared the remote rsync folder through CIFS as well and I can copy those exact same files through nautilus with drag and drop without issue. I have had a few occasions where the rsync process will complete without issue, but this is a rare occasion. Since it powers my computer completely off I do not enjoy the luxury of having any log files or messages to attempt to diagnose from.
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Dec 4, 2010
I'm a bit concerned about this. I've installed Kubuntu 10.10 tonight, and had tried it a week ago briefly without updates. Both times I've had this really loud sound which I'm guessing is the fan going a bit mad. Is this related to a newer kernel or something? Is it dealt with easily? This is a Toshiba Equium laptop from 2 1/2 years ago. I've got the Powersave setting on now in the hope this might stop it happening while I'm trying to read up on this and get advice.
After all the observed Linux progress since I've been using it I'd be quite annoyed if something botched in the OS kills my laptop. The computer got quite hot, even though its feet are rested on a wooden board that normally prevents this.
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Oct 28, 2010
had 10.04 and one day the pictures on facebook stopped showing up. like the display pics. i figured it was an error so i finally got the error fixed, but the facebook picture problem was still there. i thought upgrading to 10.10 would fix it, but it didn't. anyone know why the pictures won't show up? this never happened using windows and they ppear on every other windows computer i use
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Jun 28, 2010
Currently have multiple small DNS-323 NAS-in-a-box that need to be replaced with a single storage server.
Since the setting is for an advanced home server (2-3 simultaneous clients max) that will hold movies and application/game ISO's, I was originally going to go with a simple RAID6 on freenas. As I learned about silent data corruption, and with a max of 3 simultaneous users, I don't see a need for a hardware raid processor. So I gathered that software RAIDZ (RAIDZ2) based on ZFS or BTRFS that prevent silent data corruption would be a better match (please correct me if I am wrong).
NEEDS: The needs (in addition to prevention of silent data corruption) are basically online capacity expansion (OCE), and 2+TB volumes (64bit LBA); with a preference for the ability to spin down idle drives. I'm going to make the assumption that any solution I go with will allow me to read/monitor actual SMART drive data.
STUMBLING BLOCK(S):
1. Would someone validate the (perhaps mistaken) assumption that since BTRFS is integrated into the latest Linux kernel, it is mature enough for NAS candidacy.
2. Please validate: Forward-compatibility of BTRFS has been stated (no need to reformat with subsequent BTRFS updates).
3. Am I missing any NAS software (open-source or otherwise) that would meet these requirements and provide a nice pretty graphical interface?
4. What software solution would you recommend? (btrfs on xxxxx? zfs-fuse? linux+xfs (+mdadm)? ..?)
5. What are my next steps?
Accumulated hardware for project:
SERVER: 3u chassis with 16hot swap trays. Tyan S5360G2NR i7520 mainboard. Single Intel 2.8Ghz CPU (dual-capable). 4GB ECC RAM (do i need more?). Dual hot-swappable 550W psu. CD-ROM
DRIVES: Eight 1.5Tb SATA drives, plus an additional four that are in-use in the DNS323 that I will migrate over using OCE. Four 750 SATA drives that are also in-use and can be migrated over via OCE. One 16Gb SATA SSD, intended for Boot OS and logs.
INTERFACE CARDS: Two 3Ware Escalade 9500S-8 8Port SATA RAID (PCI-X, 64bit) [can change these to something else].
UPS: 1500VA
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Sep 22, 2010
I have an OpenSSH server running on Ubuntu 10.04, and it works fine.
I'm concerned that my SSH key may have been compromised and would like to replace it.
I tried replacing keys before and reinstalling OpenSSH and SSH before but ran into terrible trouble so I'm asking for instruction before touching anything this time.
Code:
laeg@skyrocket:~/.ssh$ ls
authorized_keys id_rsa id_rsa.ppk id_rsa.pub known_hosts
Code:
laeg@skyrocket:/etc/ssh$ ls
[Code]....
So can I just synpaptic 'fully' uninstall SHH (although probably even less necessary than..) and OpenSHH, backup sshd_config, delete the two dirs referenced above, reinstall both packages, insert my sshd_config backup, and then start from scratch following the guides linked below?
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Feb 13, 2011
I have an HP laptop. I had Ubuntu 9 running perfectly for months and now it won't boot at all. When I start the computer it begins with the BIOS screen (and option to enter startup/boot menu). Then, that's it! Black screen, no matter how long you wait. I am running Ubuntu live off of a USB stick so I know all my hardware is fine.
When it crapped out:
I was doing basic things such as I had Gedit, FireFox and Chrome (for emails) running. I wanted to do some image, batch edits and after googling a bit decided to install Picasa. The install seemed fine and I had Picasa up and running. All of a sudden a text file I wanted to edit with Gedit gave me an insufficient permissions error warning.
I do not remember exactly what I did from there but basically I closed out everything and shut down the computer, it hasn't booted since.
I really don't want to have to reinstall/reconfig my whole computer again. However I am not all that savvy with computers let alone Ubuntu, so if it's going to be a long, drawn out process trying to recover...
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Apr 12, 2011
I recently followed a tutorial on how to get OpenLDAP running with Samba on Lucid. It worked pretty well.Here's my very frustrating problem with it. For the first 5 - 10 minutes after rebooting, password handling (possibly PAM?) is hosed, including for users in LDAP authenticating via Samba.In fact, I think the only reason I can SSH into the machine during that window is because I happen to have certificate authentication enabled and my client uses that.When I try to do a sudo command after logging in, though, and have to enter the password, it hangs. I've searched logs and haven't come up with much.I *think* it's related to this bug, but I'm not sure.And here's what's killing me ... it's not easy for me to figure out how to ensure that slapd starts before smbd and rsyslog (I read somewhere else that it needs to start before that for some reason) b/c most of the jobs are upstart jobs, but slapd is not.By default it runs at S19 in rc2.d, and I've tried manually lowering that as far as S05 or S07, but I'm still having trouble.
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