OpenSUSE Network :: Dhcpcd Not Sending DHCPDISCOVER/-REQUEST At Boot, Timing Out?
Aug 2, 2010
we have a problem with dhcpcd at boot time on any openSUSE version from 11.0 to 11.3. It seems that a number of workstations never send out DHCPDISCOVER or DHCPREQUEST at boot time, we have verified this with packet dumps. The dhcp client progress bar is displayed on the console but eventually times out, goes into background and the system continues booting.This is a problem because the timeout takes a long time and users have to wait. Sometimes the display manager is even started but users cannot using LDAP authentication. Eventually these systems just continue to use their old lease and networking works.Curiously, when we do a network restart after boot, the clients send DHCPDISCOVER/-REQUEST normally, we only have this problem at boot time.
On the server side we're using ISC dhcpcd-1.3.22pl4-223.13 on SLES 10 SP2. I have read about others who had the same problem, they switched from dhcpcd to dhclient. I have also tried this, but for us dhclient is not an option for a number of other reasons. Another thing I have tried is setting DHCLIENT_SLEEP ("Some interfaces need time to initialize. Add the latency time in seconds")o two minutes to give the interface time to initialize.nfortunately this didn't change anything.
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Jan 6, 2010
I am seeing log messages that I don't understand. If I run tail -f /var/log/messages, some times I will see this this sort of repeating pattern. I don't know if I have cut at the start of the sequence or not. Incidentally, this is a normaly well-behaved client/host.
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Why is the client repeatedly sending the (1/4) message and then timing out?
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Apr 13, 2011
Does jexec need to be modified? Not clear from the error messages which jexec is
involved.
Result of zypper update...
The following package is going to be upgraded:
dhcpcd
1 package to upgrade.
There are some running programs that use files deleted by recent upgrade. You may wish to restart some of them. Run 'zypper ps' to list these programs.
The following running processes use deleted files:
You may wish to restart these processes. See 'man zypper' for information about the meaning of values in the above table.
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Apr 25, 2011
In the sys-log from server there a lot of message like this: Code: Apr 25 10:38:45 server portmap[2569]: connect from 192.168.1.3 to getport(nfs): request from unauthorized host Apr 25 10:38:46 server portmap[2570]: connect from 192.168.1.3 to getport(nfs): request from unauthorized host 192.168.1.3 is a client that want to boot from netwrok using PXE and NFS. However it doesn't boot and enters (initramfs) prompt. Seems that the server deny the connection from client.
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Oct 18, 2010
I am facing following problem when i want to start the databasewith enterprises manager .I search for the answer but nothing is workingI have install oracle 10g on fedora 12
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Jan 12, 2010
Tomorrow I decided to dedicate 100% of my disk to opensuse! So I backed up the files from the remaining windows partition, deleted them and expanded the /home partition. Well, I ran into some problems during first boot. I referred to an article at the wiki and fixed it. Although I did some small fixing manually at the fstab file. The system booted! But I can't browse anywhere outside the local network! At this forum I found some info regarding the dmesg |tail command. Here is my output:
biduzido@biduNote:~> dmesg |tail
[ 1256.061852] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 1256.061865] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current]
[ 1256.061873] sr 1:0:0:0: [sr0] Add. Sense: Logical block address out of range
[ 1256.061882] end_request: I/O error, dev sr0, sector 0
[ 1256.061890] Buffer I/O error on device sr0, logical block 0
[ 1256.062662] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 1256.062672] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current]
[ 1256.062682] sr 1:0:0:0: [sr0] Add. Sense: Logical block address out of range
[ 1256.062690] end_request: I/O error, dev sr0, sector 0
[ 1256.062697] Buffer I/O error on device sr0, logical block 0
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Apr 19, 2010
I am experiencing real buggyness in firefox 3.6.3. Sometimes when I click on any button e.g. this form (submit new thread), I get no response whatsoever. It lacks that responsive feel. Might I mention that it happened some of the time. Its probably not because of the ISP because I didn't have any problem before when I was using Vista. Maybe it was because I meddled with things like this and tweaking some stuff in the about:config. I'm out of ideas.
Box: openSUSE 11.2 | GNOME 2.28.2 | Acer RS740DVF | AMD64 X2 5600+ | Radeon HD4670 | 3GB RAM
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May 4, 2010
Anyone know what this signifies in the Apache logs files:
Code:
[Tue May 04 20:56:06 2010] [error] [client *******] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:)
[Tue May 04 20:56:06 2010] [error] [client *********] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:)
[Tue May 04 21:05:18 2010] [error] [client ********] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:)
[Tue May 04 21:05:18 2010] [error] [client ********] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:)
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Jul 25, 2010
I'm running SUSE 11.3 on a Dell Inspiron 1501. I'm trying to network it with my Windows 7 and XP boxes. I've installed Samba, activated the services Samba needs and add myself as a Samba user. My problem is that I can see and access files on the laptop from both of my desktops running Windows, but when I try to access them from the laptop I get a message saying the server timed out whenever I try to access my workgroup.
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Jun 10, 2011
I have proxy running. I have seen LAN machines sending packets by iftop -P -F 192.168.10./24
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How do i set my iptables so that I can only send and recieve http,smtp,ssh,dns,dhcp request in and out of the proxy
[Code]...
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Oct 13, 2010
this is rather odd actually and has never happened to be before.I recently installed slackware in a toshiba satellite m40 185 laptop and during boot it doesn't get an ip address from the server. the boot messages are of the sort:
dhcpcd: v5.2.2 started
dhcpcd: waiting for carrier
dhcpcd: timed out
[code]....
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Dec 31, 2010
I have OpenSuse 64bit running a web site. I have a form on this site here:- Dynamic Systems Group The script itself works and I have tested it on another hosted server and it works fine. However on my server the email the script sends never arrives, which must be a problem with my Postfix settings I guess. However I also have two pages on my site for testing sending of mail, which BOTH report a postive result:-
[URL]
However even though these pages report successful send the mail stil never arrives. I have looked at many pages and forums on the internet and I am really, really confused as to how to set up Postfix. On the Suse box I have the Mail Server configured in Yast to send mail via my Gmail.com account using TLS and authentication but still no success!
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Nov 25, 2010
I installed WordPress 3.x on my localhost/Apache server, but I can neither install plugins nor update anything.This happens with both the stable WP3.0 version and the 3.1 beta. When I try to search the Plugin Directory from the WP dashboard, I get this message: An Unexpected HTTP Error occurred during the API request.When I run an update, I get a page asking for the login credentials for the ftp user ("To perform the requested action, WordPress needs to access your web server. Please enter your FTP credentials to proceed. If you do not remember your credentials, you should contact your web host."). Since I'm part of the 'ftp' group on the system, I enter my system login information, click Proceed -- and get a blank page that does nothing.
I've gone to YaST, and I see that the system ftp user has a 6-character password (which may or may not be mine). I'm afraid to change it and risk screwing up other ftp-related functions. I'm running openSUSE 11.3, and am obsessive about updating. I will note that I have an old 2WIRE router that often requires me (including Zypper repos) to enter IP addresses instead of DNS-based URLs to successfully download stuff. Not sure if this is related, but just in case...
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Feb 17, 2010
Does anyone know how to configure msmtp to sed mails via gmail?
In mandriva it is done by modifying a file :
etc/msmtprc.conf
where you state your gmail account details.
Currently if I try to sent an email with my recently installed msmtp, I get the following message:
msmtp: account default not found: no configuration file available
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Mar 23, 2010
In the firewall, I opened port 5900 for TCP traffic. Now the console is displaying packet information whenever a connection is made. Why does it send a message to stdout/stderr for an allowed connection? How can I stop it? Logging level is set to critical only, and not-accepted packets should only be logged for the internal and DMZ zones.
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May 16, 2010
I have a LAMP server and need a web page to send email messages. I could do it with my Win 2k server through my cable service but can't seem to get it to work here.
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Jun 25, 2010
how to redirect all client http request to https request in squid
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Feb 1, 2010
I recently installed two PC with debian lenny (kernel 2.6.26). One is called serveur-debian1 and the second one serveur-debian2. I have installed gnome,samba, mysql5, apache2, php5, and Virtualbox,bridge-tools on them. On serveur-debian2, i installed an other virtual debian lenny with apache2,mysql5,php5,nagios and centreon on it to view my network. I remember having installed a soft to access nntp on serveur-debian2 in order to test nagios.
Since a few days, i have problem to access to my servers. rom my windows 7 client, i try to ping serveur-debian1. Response is OK but not for all resquets Always from the same computer, i try to ping serveur-debian2. Response is OK but not for all again.
When i launch a ping on serveur-debian1 and serveur debian2 at the same time i have:
ping 1 to 10: serveur-debian1: response OK
serveur-debian2: no response
ping 11to 14: serveur-debian1: no response
serveur-debian2: response OK
ping 15 to 25: serveur-debian1: respone OK
serveur-debian2: @ip serveur-debian1 network unreachable (there's no error, it shows me the ip of serveur-debian1)
If i switch on the debian virtual server on the serveur-debian2, and i ping it at the same time, the response is OK for all resquests. The problem is very strange. I can't have a correct connection and when i launch a request from a software which access the mysql server, the requests failed ...
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Nov 2, 2010
when I boot my PC I get two password request, one is for it to be able to log in the wifi catcher and the other is just a pain in the ***, how can I set it to get just one again,
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Feb 1, 2011
I have this annoying problem, when I boot my PC I get two password request, one is for it to be able to log in the wifi catcher and the other is just a pain in the ***, how can I set it to get just one again, or what could have happened? because I before I just got one.
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Jul 27, 2011
This is a thread I've moved over from the install forum and is hopefully more focused. Sorry if I have violated some protocol. Problem I have a new machine build configured to dual-boot Windows 7 and OPENSUSE 11.4. Network performance in Windows is very good but network performance in OPENSUSE is very poor.
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May 12, 2011
I have an opensuse 11.3 install which I want to set up as a network boot server to install Solaris 10 on a Sun Ultra 10 client. According to what I've read, this requires rarpd and tftpd which I've set up on opensuse, but also bootparamd which I can't find for 11.3. It seems it was last included with opensuse 9.2. Does anyone know if it's available, if I could use the suse 9.2 version, or any alternative?
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Sep 14, 2010
I have an OpenSuSE 11.1 in vmWare ESX and every other boot I can't access any running network services (ssh, webmin, qmail, mysql, ...) from outside. I just need to login, reboot and voila - network services are working.I gradually updated to 11.2 and 11.3 by following the wiki with success but this problem remained. So I reverted to snapshot of 11.1 and now I would like to identify and solve the problem here first.I also looked at /var/log/messages /var/log/boot.msg /var/log/lastlog but can't find anything usefull. I will now compare those files from the working and non-working boot but meanwhile someone already has an idea or experience what could be wrong?
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Dec 10, 2008
I am not a networking expert by any means (in fact I have never taken a networking course), but I have taken several security courses, and generally we wind up discussing replay attacks. For example, the Needham-Schroeder protocol (using symmetric-key cryptography anyway) is flawed because it allows for replay attacks, and I understand why.
I guess my question is actually how someone would perform a replay attack. I know I can sniff network traffic by downloading wireshark. I also have downloaded winpcap and npg on my WinXP virtual machine. I'm trying to use this guide to help me, but I'm quite lost:[URL]What I did was to post a "link" to my facebook profile and I sniffed the traffic using wireshark. What I would ultimately like to accomplish is to copy that packet out of the wireshark output, and then use a tool like npg to transfer the raw packet back to facebook, which should result in a second, redundant post. I just can't figure out how to do that.
I'm pretty sure this should be possible. Facebook only uses an SSL session for authentication during login. After that, the information is just sent in the clear, so I'm pretty sure this should be possible.Can anyone explain how to do such a thing? It would really help my research paper that I'm working on this semester if you can. As of right now the attack we are trying to demonstrate/defend against is using a Windows VM, which is why I'm using winpcap/npg. The attack is actually possible using just about any OS (depending on the exploit used), but our POC is Windows only at the moment
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Feb 12, 2010
What i am i doing wrong? i download these very good app's from yast
and at times i run into a problem when you click on the app and it looks like it wants to open,the application's icon is on the bottom panel and the icon is bouncing up and down where there cursor is and then eventually it disappears.Is it timing out?
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May 13, 2011
I have to keep doing "dhclient eth0" every time I boot up. What should be in charge of doing this automatically at boot, and how do i fix it?
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Feb 13, 2011
My two machines are both running Ubuntu 10.10. I want to transfer program files between them using a local area network.
My Ubuntu machines can both see the Window machines on the network, and get files from them. But my Ubuntu machines do not detect each other as being on the network. Nor can my Windows machines detect my Ubuntu machines.
From what I can tell, that's normal, and I've become resigned to using a pendrive to transfer files between the two machines. Or even sending files as email attachments.
there is a clean and easy way to transfer files between two Ubuntu machines on the same local area network.
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Jul 3, 2010
i am using centos 5.4 (5.5?) gnome on multiple machines in a local network.is there a program available that does the following:you type a message in a 'note'screen on one computer and can send it to one (to choose) or all machines in the local network that are online, so you can read the message on these other machines screens.
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Jan 20, 2011
I just realized that since I reinstalled slackware on my laptop, the machine is not obtaining an IP from my router during the startup proccess like it used to do before.
Now I see something like:
Code:
dhcpcd: eth0: waiting for carrier
dhcpcd: eth0: timed out
dhcpcd: eth0: waiting 8 sec
and it fails. After I login in KDE, I need to manually renew (or acquire) an IP. Issuing the command
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Nov 19, 2010
I manage to connect to my wifi using
Iwconfig wlan1 essid "mywlan" key 1234567890
Then iwconfig wlan1 gives me:
Im using a Alfa Awus036h wifi dongel under Arch disc install, only got wifi on other computer.
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