Debian Configuration :: When Open A Web Browser - Can't Resolve The Host Name

Mar 29, 2011

I've just installed Debian Squeeze from a live CD. When I open a web browser (be it iceweasel or epiphany) and try to go to google.com, it tells me it can't resolve the host name. [Edit: They do, however, allow me to go anywhere on debian.org, minus the search feature] I also get the same error when I try to go to my website running on a local server. However, when I type the server's IP address (192.168.0.10), it goes to the website fine. Basically, any program I run that needs to resolve a host name returns an error, with the exception of the host command:

I've tried changing my DNS server IP from 192.168.0.1 (my router, configured to provide DNS) to 192.168.1.254 (my internet modem, also configured to provide DNS). That didn't help any. Then I changed my DNS server IP to the same one used by the modem, and now everything works.

I've tried googling my way out of the issue, and I've found where someone had the same issue as I've got and fixed it by adding "blacklist ipv6" to their /etc/modprobe.d/blacklist.conf file, but that didn't work for me.

So, recap: Why does resolving domain names fail for certain applications (except the "host" program) when the DNS server IP is that of my router or modem (which works fine for all of my other computers), but suddenly works when I point the computer straight to my ISP's DNS servers, and how can I permanently fix the problem?

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Debian Configuration :: Resolving Host - Connection When Using Browser Or Downloading Is Noticeably Slower Than When Using Windows

Mar 8, 2010

I just installed a dual boot XP/Debian 5.0.4 setup on my Dell 5100 laptop. I now have constant problems with "resolving host" when using Debian. The connection when using a browser or downloading is noticeably slower than when using Windows or my Ubuntu install on my desktop. Also, whenever using the Debian install on my laptop, both it and my desktop, which both connect through the same Linksys router, constantly show "resolving host" (Chrome browser) until it just timeouts. Rebooting the DSL modem sometimes fixes it for a while (although it's still slow even then), but it eventually happens again. Turn off the laptop/switch to the XP OS on it, and the problems disappear on both the laptop and desktop. Is this a known problem for Debian 5.0.4?

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Debian Configuration :: ProFTPd Configuration - Use To Host MySQL Databases And A Few Websites

Nov 18, 2010

I am having no luck configuring ProFTPd on a Debian Lenny production server we use to host our MySQL databases and a few websites. I had originally set it up so I could login and manage our internal sites, but I have the need to allow a few clients in to access their sites that we host. I am trying to root the users in their site directory, which would be "/sites/www.whatever.com/".

It just hit me while typing this. Is it possible to create a user without a shell to prevent login via SSH and set the home folder to /sites/whatever instead of /home/username? That would allow me to continue operating with my current configuration and root them in their site while preventing SSH logins.

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Debian Configuration :: Ssh: Could Not Resolve Hostname

Apr 18, 2011

So I recently upgraded from Debian 5 to Debian 6 and now for some reason I cant SSH into my server FROM my server. All of the following fail with the same error:

[URL]

They all come back with: ssh: Could not resolve hostname 127.0.0.1: Name or service not known. I never actually tried this before upgrading so I'm not sure if its caused by the upgrade, but I would like to get this fixed. Also, ping with all of the above hostnames fails as well. I can SSH in from other computers and I can SSH out from the server. For whatever reason, I cant SSH from the server to the server though.

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Debian Configuration :: Ssh Cannot Resolve Nodename After Wakeonlan

Jul 9, 2015

Previously, I issued a wakeonlan command to my sleeping debian (wheezy stable) server from (a mac) within my home network and then ssh in no problem. Worked like a charm. I could put it to sleep again and wake it up etc. Perfecto.

However, for some reasonI can now only ssh in once the server is rebooted (by physically switching it off then on again). If I put it to sleep then wake it, it does wake up --- however, ssh cannot then resolve the hostname:

---
>> ssh -vX bob@cerberus.local
OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011
debug1: Reading configuration data /Users/bob/.ssh/config
debug1: Reading configuration data /etc/ssh_config
debug1: /etc/ssh_config line 20: Applying options for *
debug1: /etc/ssh_config line 102: Applying options for *
ssh: Could not resolve hostname cerberus.local: nodename nor servname
provided, or not known

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Debian Configuration :: Can't Run Any Machine On VirtualBox OSE / Resolve This?

Apr 10, 2011

I've installed newest Debian (Squeeze) and then on fresh system made instalation of VirtualBox OSE as it is written on http://wiki.debian.org/VirtualBox.
I've also created virtual machine, however when I try to run it I got error message:

RTR3Init failed with rc=-1912(rc=-1912)
Please install the virtual-ose-dkms package and execute 'modprobe vboxdrv' as root

And later on code...

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Debian Configuration :: Cannot Resolve Local Network Names Only

Jul 25, 2010

I have three Debian systems running, along with several XP laptops, PS3 and two DirecTV systems. I use two of the three Debian systems as media servers, and the third is an older system mostly for playing around with. My home network is running fine with the following nuisance. The two newer Debian (Lenny) systems are <barney> and <mitzi>, the older is named <oscar>, running Debian Sarge 3.1. From either locally or remote login to <barney> and <mitzi> I can ssh into either of the other two systems, however when logged into <oscar> I cannot ssh by name to either of the other systems. e.g. ssh: mitzi: Temporary failure in name resolution..However, from <oscar> I can ping outside my network (e.g. ping www.google.com) with no problems.I can also ssh to the other systems via IP address, just not by name.

I've compared the /etc/ssh/ssh_config, /etc/resolv.conf, /etc/ssh/sshd_config and other files between the two systems and not seeing anything peculiar. arp, route, etc., don't show different behavior between the systems either.

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Debian Configuration :: Can't Login As Root On Gnome / Resolve This?

Mar 9, 2011

I have squeeze with gnome. Various apps let me log in as root when needed to but if I logout as a user and try to login as root it won't let me (won't authenticate password). I had this problem before and reinstalled Debian and definitely checked for it to allow me to do this and it worked for a while after new install. Apparently some update overrode my preferences. This is a major defect and may force me to abandon Debian. I don't use root often but I don't have any use for a operating system that won't let me use it. Anyone know how to correct this. I am not interested in using a terminal on a regular basis or ever for that matter.

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Debian Configuration :: 98% CPU Usage With Browser And LightDM

Jun 19, 2015

Just made a strange discovery, visiting the website: [URL] .... with iceweasel within university's network makes my computer almost unusable. htop's output indicates:

USER: 'root' CPU: '98%' Command: '/usr/bin/X :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch'

What this meant to be and/or how this could be circumnavigated?

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Debian Configuration :: Fstab Configuration - Failed To Open /proc/filesystems: No Such File Or Directory

Aug 23, 2011

I have some errors when run the mount -all command: mount: wrong fs type, bad option, bad superblock on /dev/sdc5, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail  or so Failed to open /proc/filesystems: No such file or directory

[Code]..

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Debian Configuration :: Load A Webpage Gives A Cannot Resolve Hostname Error

Jun 11, 2010

Any attempt to load a webpage gives a Cannot Resolve Hostname error. i can ping [URL], but cannot load the page. However, the page will load by typing its IP address [URL] I have been trying to figure this out for days. cat /etc/resolv.conf nameserver 192.168.1.254

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Debian Configuration :: Networking: Connected To Wifi, Webpages Won't Resolve?

Oct 2, 2010

I just installed Debian with the latest testing iso, and I'm having problems connecting to the web via browser. I can ping hostnames (i.e. google.com, debian.org, etc.) from the terminal and it resolves just fine, but if I try to load a page from Iceweasel or Epiphany it says the page won't load because it can't resolve the hostname. Can someone tell me what I'm missing?the detail that I'm running amd64. I've checked iptables and found no entries, and for good measure I flushed it to be certain. I also checked resolv.conf but that looked normal, just a nameserver entry pointing to my home router. I'm new to Debian, but have used Linux for years, and I'm genuinely stumped. I'm sure the solution will smack me in the head for its simplicity, but nonetheless I need at least a shove in the right direction.

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Debian Configuration :: Systemd - NTP Host Name Not Found

Apr 14, 2016

my system keeps on telling me about an error:

Code: Select allsudo journalctl  -p 0..3
Apr 14 10:36:11 debian ntpd_intres[682]: host name not found: ptbtime1.ptb.de
Apr 14 10:36:11 debian ntpd_intres[682]: host name not found: ptbtime2.ptb.de
Apr 14 10:36:11 debian ntpd_intres[682]: host name not found: ptbtime3.ptb.de

A quick check

Code: Select allsystemctl status ntp.service
ntp.service - LSB: Start NTP daemon
   Loaded: loaded (/etc/init.d/ntp)
   
[code]...

3 packets transmitted, 0 received, 100% packet loss, time 1999ms.Same result when using the standard Debian ntp time servers like "server 0.debian.pool.ntp.org iburst" in /etc/ntp.conf.

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Debian Configuration :: Host Name Not Broadcast To DHCP

Dec 21, 2010

I have setup a few machines within my house. The Debian Squeeze machines do not provide a host name in the DHCP client list on my router. Strangely, my Ubuntu, Android, and Blackberry machines do show host names. I have noticed the same behavior when wirelessly tethering my Debian laptop to my Android phone (which also uses DHCP). Is there something I need to enable to have the name show up on the router?

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Debian Configuration :: Host Name Resolution Failure?

Aug 15, 2011

I am experimenting with installing a bare minimum, network capable installation of Debian Squeeze. Right now, I am having trouble getting proper host name resolution. I have provided the output of ping (which is able to resolve names), wget (which is unable to resolve names), and the contents of the files I believe to be relevant to the problem. When I installed Debian, I installed *only* the SSH Server from the list of available configurations. Since then, I have installed mdns4, dnsmasq, mdns-scan, and libnss-mdns to get name resolution to work with no success so far. All packages were installed with no recommends -- aptitude -R package name. What am I missing to get host name resolution working?

[Code]...

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Networking :: Iptables Configuration On Debian Dmz Host?

Jul 6, 2010

I am trying to set up a DMZ host - that is, one multifunctional PC between the WAN and the LAN. I've started with a basic router, and expanding upon that as the need arises. I am currently trying to gain access (from the WAN) to a website hosted on one of the servers in the LAN, but I am having trouble accessing the host from the WAN; I think my iptables configuration may be too restrictive. On the DMZ host, I'm using Debian (Etch). I have setup dhcp3-server, a script to configure iptables and pound (reverse-proxy). The (virtual) machine has 4 network cards: eth0, eth1, eth2, eth3; eth0 is the WAN, eth1 through eth3 serve 3 different virtual LANs.

All machines in the LAN (except one windows 2008 server - I might want to address that problem later) get their IP adresses correctly via dhcp from the DMZ host. All machines on the LAN can access the internet (including the 2008 server if I configure it manually) as they should. If I access http://localhost on the DMZ host, pound reports "The service is not available. Please try again later." - as it should.

I can ping the DMZ host from the WAN on 10.0.0.79 However, if I try to access the DMZ host from the WAN (http://10.0.0.79) I get "Unable to connect" from firefox. I'm sure this is not a pound problem, so I think it's in the iptables, or maybe I should be installing some extra software that I'm unaware of.

[code]....

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Debian :: Nautilus File Browser - Open Folder By Using The Shift And F4 Keys

Mar 21, 2011

In the kde realm, with the dolphin file browser, I can open a terminal in whatever folder is in the gui by using the shift and f4 keys. I'd like to be able to accomplish the same in gnome with the nautilus file browser but can't figure out how to do same. So far I have to open a terminal and then cd to the desired folder. Or do I have to use some other file browser and which one?

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Debian Configuration :: Rsync - Not Creating Files On Host

Aug 2, 2015

Having an issue with rsync

I launch the following

Code: Select allrsync -avz --remove-source-files --log-file=/home/pi/rsync.log --temp-dir
=/data/temp --partial --progress -e "ssh" 192.168.1.100://data/ext/downloads/File.ext /data/

Basically I download to main PC and rsync to my pi as the pi has a fraction of the speed for some reason when downloading form a source outside of my network.

The first few files will sync fine. Then I start getting errors like this

Code: Select allrsync: rename "/data/temp/.File.ext.y1716M" -> "File.ext": No such file or directory
(2)

The directory on the host has user and group ownership as pi. Rsync has been setup to login without a password.

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Debian Configuration :: Samba Host Name Wrong And Not Working

Jun 11, 2010

Using Debian 5.0 Stable, with all current updates, if I type \192.168.0.249 I get samba access and can use all the shared files ok.if I go via the network the computer should be called \squ-eee-zeboxserver but instead comes up as \SQU-EEE-ZEBOXSERsqu-eee-zeboxserver which when clicked gives the attached error.

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Debian Configuration :: Apache - Host-header From Requests Are Ignored

Oct 16, 2010

my server into the public internet and must have my webserver [2.2.9 (Debian)] act secure. But this does not look very easy [I am searching, reading and working on it already the whole day ]. I read the apache docs, but there is a lot of stuff, which is different in Debian [lenny, 5.0.6]. Apache ignores the host-header given by the browser: [URL] are all served, but should be blocked. I new new to apachy, but on my IIS this works as expected. All browsers act equal [so no browser header problem].I configured two VirtualHosts, an excerpt:

NameVirtualHost hugo:80
<VirtualHost hugo:80>
DocumentRoot /usr/share/doc

[code]....

The I go to my hosts file on any box, and add hugo's ip-address under the new name x. Then, x is served, although the host-header in apache Every user coming from the internet could make the same!

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Debian Configuration :: Clicking MailTo Link Opens A New Empty Browser Tab

Dec 4, 2015

SYSTEM INFORMATION
socram@t430:~$ lsb_release -a
No LSB modules are available.
Distributor ID:Debian
Description:Debian GNU/Linux 8.2 (jessie)
Release:8.2
Codename:jessie

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Debian Configuration :: Make Mailboxes For Each Virtual Host On Server?

Mar 1, 2010

I'm using Debian 5 with Exim 4 on my VPS. My purpose is to make mailboxes for each virtual host on my server. What do I have: 1. Exim is set correctly - receiving mail from [URL]... is successfull. 2. Mail for [URL]... is delivered, and the mail for [URL]... too. But [URL]... is the site written to /etc/hosts (it's localhost), and [URL]... is virtual host. But mail from both boxes writes to /var/mail/mail. Now what do I need: 1. Make mail for [URL]... store in [URL].... and mail for [URL].. store in www/Maildir. 2. Make mailboxes like [URL].... to receive mail by Thunderbird. 3. Set passwords for [URL]... and [URL]... (I don't want to enter my system user/root passwords).

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Debian Configuration :: IPTables - Local Host Cannot Get Returning Traffic

Sep 20, 2010

I have a strange iptables issues. I have just built a new Debian install and starting adding some real basic rules (see below) the problem seems to be that the localhost itself can't get any returning traffic. That is, it seems to be allowed outgoing traffic but not the connected, returning traffic. Ordinarily allowing Established Connections would resolve this, see the rule below, but it hasn't. Why this doesn't work. Removing the last DROP in the INPUT chains obviously makes the traffic work!

iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -j ACCEPT -p tcp --dport 22
iptables -A INPUT -j ACCEPT -s x.x.x.x
iptables -A INPUT -j ACCEPT -s x.x.x.x
iptables -A INPUT -j ACCEPT -s x.x.x.x -p tcp --dport 80
iptables -A INPUT -j ACCEPT -s x.x.x.x -p tcp --dport 8080
iptables -I INPUT 1 -i lo -j ACCEPT
iptables -A INPUT -j DROP

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Debian :: Configuration - Domain Name- Host Name - Resolv.conf Areas

Feb 6, 2009

I installed debian etch, it runs and does connect to the internet fine through a linksys router...the linksys router is connected to my cable modem...now..

I just registered for a domain name (ex. mydomainname.org) with Verio....this is where I am stuck.

I installed apache 2, a web server, file server (all seem to work) I need to know what files I need to configure to have my machine actually BE that domain name.

Ex. my linksys DHCP IP addresses, the linksys gets an IP from the cable modem...my yquestion is ONCE I register a domain name with verio...how do I configure my end so it "knows" I am that respective domain name...I think I need to configure the following, but knot sure how to do it: resolv.conf, hosts, and interface?

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Ubuntu :: Can't Get The Browser To Open The ""Belkin Router" Configuration Page?

Jun 28, 2011

I am new to ubuntu, but recently learning a lot I from the past 2 days have been struggling to get my Wi-fi up and running, but there seems to be no success. I can't get the browser to open the ""Belkin Router"" Configuration page. I tried even reading the mannual but dosen't seem to work. I use a ""Belkin Basic N150"" router It is certainly not desinged for Ubuntu

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Debian Configuration :: NVIDIA Driver 32bit Chroot On 64bit Host?

Mar 23, 2011

I have 64bit debian 6 squeeze installed on my 64bit pc. I have an NVIDIA gpu which I have installed the drivers for and they work just fine. I also have a 32 bit chroot located at /32 which was created using debootstrap. The NVIDIA 64bit driver gives the option to install compatability driver libraries into the 32bit chroot. Whenever I run any application that uses opengl rendering within the chroot, they segfault. When I uninstalled and reinstalled the NVIDIA driver without installing the libraries to the chroot, and instead replaced them with mesa gl libraries, the programs complain about framebuffer missing. They do not segfault, and some programs that can use sdl instead will work fine. I have xhost + set to allow any programs in the chroot to use the host's xorg. I have the host's proc mounted to the chroot proc directory, and i also have dev mount --bind 'ed to the chroot.

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Debian Configuration :: VirtualBox: Host-only Networking: Static IP Guest Addresses?

Jun 6, 2011

Debian Testing host, Winduhs XP guest. Winduhs is not allowed to directly access The Internets, and I am not setting up bridging as that makes it possible for the guest to mount layer 2 attacks on the LAN. I need for the guest to tunnel through the host without being able to see anything on the host, so it can then get access to The Internets, while being protected by iptables (Shorewall).

Used to be with VMware I had host-only set and the guest in a different class c (192.168.2.1) from the host (192.168.1.1) I turned on ipforwarding, set Shorewall rules, and it all worked. Now I have everything set with VirtualBox, and it does not work. Guest can ping its interface but not host. Host can ping vboxnet0. Host is supposed to masquerade guest's 192.168.2.1 through to the default out at 192.168.1.1, but it's not. I think a clue is in routing, but I don't know what's wrong.

[code]....

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Debian Configuration :: Warning: Xfce Wiil Not Run Properly Add Debianser To The Host

Jul 12, 2011

I have a issue with my host file

127.0.0.1 debianserver
ping debianserver
ping: unknown host debianserver
# hostname
debianserver
[Code]....

I running xfce4.8 and when I start my session I get a warning: xfce wiil not run properly add Debianser to the host...

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Debian Configuration :: Visudo To Authorize User To Start Only One Application With Sudo On One Peculiar Host

Jul 14, 2015

I would like to configure visudo to authorize user to start only one application with sudo on one peculiar host and forbid everything else so, after reading the man, I came up with :

Code:

Select alluser       ALL = (ALL:ALL) !ALL
user       host_name = /usr/bin/application

But it does not seem to work.

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Ubuntu Networking :: Could Not Resolve Host Name?

Apr 29, 2010

I'm having an issue where some of my machines hostnames are no longer able to be resolved after setting up a mythbuntu backend to allow netboot. Also it seems that which machines hostnames get resolved is not consistent. (ie sometimes one gets resolved and sometimes it doesn't) I suspect that it has something to do with the changes I made to "/etc/ltsp/dhcpd.conf" to get the netboot running.

I have a Verizon DSL modem/router as 192.168.1.1. Up until playing with the "/etc/ltsp/dhcpd.conf" I saw hostnames of all of my machines show up in its network map. Now, some of my machines still get network access but their hostnames are no longer resolved. What did I do wrong? Here is my dhcpd.conf file:

Code:
# Default LTSP dhcpd.conf config file.
authoritative;
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.2 192.168.1.250;

[Code]...

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