Debian :: Virtualbox Setup - No Internet Connectivity By Default?

Jul 9, 2011

I'm coming from CentOS background and it's first time using Debian and currently stuck with setting up a working Virtualbox Debian Guest installation

Problem 1: no internet connectivity by default, but internet works fine from within the virtualbox Debian Guest OS if i use debian's internet browser

Problem 2: only internal ip works (NAT) while my 2nd host only adaptor doesn't work out of the box

With CentOS all i needed to do it get it all working was when creating new guest on Virtualbox is setup 2 NICs, first one is NAT and second one is host-only adaptor. After installation, i can connect to internet and also from host OS connect to guest CentOS via ip. But with Debian 64bit i defined both NAT and host-only adaptors, and out the box, only is defined.

Default /etc/network/interfaces
root@debian1:/etc/network# cat interfacesbackup.txt
# This file describes the network interfaces available on your system


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Ubuntu :: Virtualbox PUEL Lost USB Connectivity After Upgrade To Karmic?

Jan 14, 2010

I am using the VirtualBox PUEL version, and I used to run Windows + the driver program of my Lexmark USB scanner - successfully. Now I have upgraded to Karmic, and when I try to attach the virtual machine to the USB scanner I see its line (and all other lines) greyed out, see the screenshot below:

Thus I have lost USB connectivity after upgrade to Karmic. Also in the yellow status box "Unavailable" appears. how to use my scanner and other USB devices again?

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Debian :: VirtualBox Guest-only Internet Access

Aug 12, 2014

Is it at all possible to disable internet access for the Debian host while providing internet access to the VirtualBox guest(s)?

I plan to only hook up the host to the internet for updates, upgrades and installations, although if I can, then I will make a Debian guest to test everything out and download the files from there and install everything on the host without even a single host connection point.

Is this the indomitable approach to intercommunication security? If not, then what haven't I thought of yet?

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Debian Configuration :: Setup Default Quota For All Users

Jun 6, 2011

I need to set up quotas so each user has a limit of 20GB (soft could be 15GB) on their homes.Is there a way to set up a default quota for all the users, or do i have to do this for the 345982374058 users in my system manually?would group quotas help? (i dont understand much of these type of quota)

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OpenSUSE Network :: Xen NAT Setup In 11.2 - No Basic Connectivity?

Feb 21, 2010

I am experimenting with Xen with the standard kernel (kernel-xen package) and utilities. I already got bridged setup to work with a single domU, but found out that because of my wireless card I cannot expect bridging to work when connected wirelessly. Now I am trying a NAT setup but I cannot seem to get any network connection from the domU to the dom0 and viceversa. Comparing the network devices and routing tables of others, I cannot see any problem.

The domU runs with IP and the dom0 has a vif with IP with a default gateway of Pinging from the domU to the dom0 and viceversa does not show any traffic at all when I use tcpdump to monitor eth0 in the domU or the vif interface in dom0. It seems that basic connectivity of the vif interface and eth0 in the domU does not work. Any tips on how to debug this problem?

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General :: Trying To Test PHP Connectivity To Postgresql 8.3.9 Setup

Aug 4, 2010

I'm learning via baptism by fire method here, and need to test PHP connectivity to a local postgresql 8.3.9 setup. (CentOS 5.5 x86_64). I have got PHP and Postgres both working; I can pull up a test PHP page via web browser, and I can login to postgres via the command line. What I can't figure out is how to test PHP connectivity to the local DB.

I found this test script:
$conn = pg_connect ('dbname=template1');

Which I've named, testdb.php - when I run ./testdb.php from the CLI though, I get:
./testdb.php: line 2: ?php: No such file or directory
./testdb.php: line 3: syntax error near unexpected token '"dbname=template1"'
./testdb.php: line 3: `$database=pg_connect ("dbname=template1");'

I've seen a LOT of pages describing the internal code of the PHP file, but as a newb to this, I don't know how to execute this test. I've ran chmod 755 against the file to verify permissions, but this didnt effect the results. I've also done a "chmod +x testdb.php"
PHP 5.1.6 (cli) (built: Mar 31 2010 02:39:17)

I realized I wasn't doing this:
php testdb.php
but when I do, I get this error message now:
"PHP Fatal error: Call to undefined function pg_connect() in /var/www/html/testdb.php on line 3"

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Debian Multimedia :: MATE Desktop - Setup Default Apps (MIME-Type)

Aug 28, 2015

I can't setup or change MIME-Types in Mate/Caja (filemanager)

I use MATE Desktop on Debian 8.1 - File Manager is Caja (1.8.2) - I put in a USB Stick whit Pics. In the Popup Window they came up, normally i can setup a Default behavior for Pics, Music ... But, in my Window the Options are not available. (Grey) The same in "Settings" from Caja (Datenträger) Data Medium.

What can i do to set MIME Types in Mate?

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Debian :: Cannot Setup Wireless Internet?

Jun 14, 2011

I just recently switched to Debian and I am a little behind the learning curve right now. I currently need to get my wireless internet setup and download a decent web browser, but I am having a few problems.

After reading some posts in the forums I would guess that I do not have the correct firmware or drivers for my Broadcom card. However, I don't really know where to begin. I did read about how to use the command 'lscpi' to find this info. 09:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller (rev 12) 0b:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)

Secondly, In the process of trying to get my wireless setup (and trying to download a web browser) I have encountered commands like apt-get install "application" and apt-get update && apt-get upgrade Could someone explain to me just exactly how I can use these to install an application (i.e. web browser) and make sure I have all the correct dependencies, etc? I realize this is extremely basic, so if someone just points me in the direction of some documentation, wikis, or tutorials that would be great too.

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General :: Share Internet Connectivity To Another NIC?

Apr 25, 2011

I would like to share my internet connectivity on eth0 with another computer on eth1.

+-----------+ +-----------+ +-----------+
| | | | | |
|ADSL Router|-------------| Computer |-------------|NFS Client |
| | eth0| |eth1 | |
| | dhcp| |static | |
+-----------+ +-----------+ +-----------+

How can i maintain this network topology and allow internet connectivity with dns across my main computer?

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Ubuntu :: No Internet Connectivity On Win 7 Platform

Jul 20, 2011

I am using both win 7 and ubuntu using grub. If I connect to internet in ubuntu its working fine
but if I connect to net using win 7 internet is not working. However if I connect internet in ubuntu and restart win 7 without switching off router I can access net in win7 even if I switch off router and start again its working fine. But when I shut down system and router and switch on in win7 its not connection.

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Software :: Internet Connectivity Only Via IP Address?

Sep 9, 2009

I have a problem on internet connectivity. Let me explain. I'm using webkit for the browser, and when I try to connect to google, it does not connect. But if I use the ip address of this,, everything works. First of I had a suspicion from DNS but it seems ok. Because when I try to ping google, it is working again. I'm using an embedded linux, this problem on a MIPS platform, not PC. But I think there should be some settings onto webkit and this should be same with PC platform.

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Ubuntu Installation :: 10.04 New Install No Internet Connectivity / Need That

Oct 5, 2010

I just installed Ubuntu 10.04 as a dual boot with Win/XP, using the text based installer. Installation seems to have completed OK and Ubuntu boots as expected - but Firefox cannot find any web-page.

How do I start look for the problem cause?

I should say that I previously had installed Kubuntu 10.04 (64 -bit). It was installed for a few months up to May 2010, but then it suddenly lost all internet connectivity after I hibernated the system. Win/XP continued to work with no error. Despite some months of help and advice from the Kubuntu forum, I was unsable to solve the problem. Indeed one piece of advice resulted in the overwriting of my Win/XP installation. I have now re-installed Win/Xp and decided to install 32-Bit Ubuntu - but I am back into the 'no internet connection' problem again. Win/XP works fine.

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Ubuntu :: Mythbuntu 10.10 - Lost Internet Connectivity?

May 2, 2011

The internet has been working happily on my Mythbuntu machine for many months but stopped working overnight.If I try to do "sudo start networking" I get a "Job failed to start" message.There's also a solid orange light on the ethernet socket.As it's been working for months, I don't think my interfaces config needs updating.Looking at what's been updated recently on the system:

1) I've configured the machine to wake from USB. It was working for a couple of days so I don't believe this is the issue.

2) I set up wake-on-lan with ethtool. Again, this was working (although it did seem to disable wake-on-usb and required a reboot to fix)

3) Update to 11.04 - I said no to this, as 10.10 was working very nicely indeed.

I've disabled wake on lan and rebooted. No joy.

ethtool detects the ethernet controller ok and it's listed in lshw.

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General :: Internet Connectivity Via Dial-up Connection

Feb 17, 2009

I'm using Linux Mandrake 9.0 on my Dell 750MHz laptop. Linux is not making a dial-up connection, but modem test showed passed. Is there any utility to fix this problem. I have to often use dial-up connection.

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Red Hat / Fedora :: Upgrading System Without Internet Connectivity

Aug 23, 2009

I am using fedora 8. I want to upgrade my system but I don't have internet connectivity I cannot use yum can any body tell me from which site I can get all the rpm packages specially gcc, glibc so that I can take them in my pen drive and install in my f8.

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Red Hat / Fedora :: Enable Internet Connectivity At Boot Up

Mar 27, 2011

I am new to linux. Whenever I boot my system. I always have to click on system eth0 to enable internet connection in network settings. How can I make it permanent so that as system boots up, network connectivity is itself enabled.

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Networking :: Internet Connectivity Drops With Ubuntu 10.10

Jan 23, 2011

I had my desktop running ubuntu 10.10 at my sisters house hooked up to a router sharing internet with her boyfriend never had a problem with it there. I moved into my own apartment this week plugged the cable modem directly into the broadcom ethernet card and couldn't get an ip or anything it wouldn't connect period so I ended up hooking it up usb which works but only at speeds of 5-7mbit when I have 15mbit connection. So I put another ethernet card in hoping it was just problem with the card and tried it that worked.

I got a connection but it was incredibly slow like getting maybe 5k a second so I open network tools in administration menu and start pinging google. While I'm waiting on a bandwidth test to complete and it takes off getting like 20mbit keeps that connection for a while then out of nowhere just drops to almost nothing. Again for a few minutes then falls off completely so I restart and it does the exact same thing starts off slow then something clicks and it works great for 5 min then nothing?

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Software :: Virtualizing Web Server And Connectivity To Internet

May 30, 2011

I have a host on ubuntu and I think I would like to virtualize my web-server. So, to be more clear I have for instance the ip to the main server (where virtualbox will be installed). After I will install the web-server into virtualbox it will have the address

So, how can I specify on the main server that all the requests on port 80 to be transfered on (virtual machine). The problem is that on I don't have access to the router/switch. Is there a possibility to make this forward from the main machine

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CentOS 5 :: Unable To Use The CDMA Internet Connectivity

Jul 17, 2010

I use Cricket Broadband. I set up my USB modem using the exact same init strings, settings and other info that makes my modem work in other distros. I don't see a way to call a PPP application to make the system dial out on my CDMA modem. Where do I find one using this Live 32 bit CD?

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Fedora Networking :: Dual NICs And Internet Connectivity On F10

Apr 23, 2009

I've just installed Fedora 10 to basically work as a NAS for another machine - but also serve a couple of web pages. After having alot of issues with network manager (with it changing the subnet so nothing would work), I'm now almost there:

I have two network cards connected in the server:
1) eth0 connects to a switch that ultimately connects it to the net (on a 10.0.0.* network)
2) eth1 connects directly into another server for backups (192.168.0.* network).

Now when I setup eth0, I get network access can ping/ update/ surf the net - absolutely no problems, but when I connect eth1 in - the net dies and nothing works, I can ping devices on both the 10.0.* and 192.168.* networks, just nothing past the gateway. I presume this is either a route or DNS issue, but am unsure about where its falling foul - both the resolv.conf file looks fine as do the ifcfg-ethx scripts.

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Ubuntu :: Measure Internet Connectivity (Failure Rate)

Jan 26, 2010

Lately, my internet connection stops for several minutes and then re-connects. Since there are few issues to debug here (router, modem, ADSL, internet provider), I would like first to measure the failure rate. Is there a utility or script that will do the following: Wake every 1-2 minutes, verify a certain web page is available (doesn't matter which). If it fails: dump a line to a log file and get back to sleep. If OK - get back to sleep. Is there such a utility?

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Ubuntu Networking :: Get Internet Connectivity To Phone Through Wifi?

Apr 21, 2010

I have an iphone, I am trying to get internet connectivity to that phone through wifi. I dont have a wifi router. But i do have a laptop with wifi card. I am connecting to internet via cable modem. In win7 I used to create an accesspoint and do the ics from ethernet card to share via wifi card. It used to work perfectly.

Now as I am sing ubuntu, i want to do the same. I have intalled firestarter, and shared the internet connection through wifi card(wlan0).After this I created an accesspoint using the gnome network applet. Now i can connect my ifone to ths accesspoint. But there is no internet connectivity in my fone.

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Ubuntu :: Installing Firmware-b43-installer Without Internet Connectivity?

Dec 9, 2010

how to install firmware-b43-installer without internet connectivity. I downloaded firmware-b43-installer from another computer with internet. Then I found out from the error messages I also needed b43-fwcutter. So I also downloaded then installed b43-fwcutter. b43-fwcutter installed with no problems. Then I tried to install firmware-b43-installer again with no luck. I saw in the error messages it said something about broadcom-wl- I have no idea how to install a tar.bz2 file.

Here is where I downloaded the files I needed.

I have all the files now so what do I need to do to install firmware-b43-installer?

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Ubuntu Networking :: Removed Ufw And Lost All Internet Connectivity

Mar 6, 2011

I was having trouble with some software detecting ports so i removed ufw and now have no internet

Ive tried and none of these work:

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Ubuntu :: No Internet Connectivity - Cannot Check Repository / Synaptic

Mar 29, 2010

I noticed today my dropbox wouldn't connect, so I reinstalled, still nothing. Tried to reinstall from the repo, nothing. While doing this I noticed that apt cannot check repos, or synaptic. Browsers have no issue but it looks like the system itself does. Same goes for Ubuntu update manager and software center.

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Ubuntu :: Teamspeak 3 Server Connectivity - Unable To Get Network Setup Correctly To Allow People To Connect Externally From My LAN?

Jan 21, 2011

I have Ubuntu 10.04 x86 installed, trying to get teamspeak 3 beta30.I have followed this guide:

And can not get my network setup correctly to allow people to connect externally from my LAN. I have forwarded every relevant port I could find to the computer hosting TS, I forwarded them first as their respective protocols, and then as the combined UDP/TCP. I tried Forwarding single port numbers, and then port ranges.I have also tried uninstalling selinux.I have tried connecting directly to my cable modem with the server.I had this working perfectly three months ago with all the same software, using the same guide I listed above.The only thing I can imagine has changed is my operating system itself with system updates.

My network looks like:

Comcast cable modem--->Netgear WNR3500L Router----->Ubuntu 10.04 x86 desktop edition

what else I could possibly check? I can connect to and manage the TS server fine using localhost:9987 or 192.168.1.x:9987, it just wont allow any connections from outside the network.

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Debian Configuration :: Ethernet Card And DSL Modem - Internet Setup?

Feb 13, 2010

I am new to Debian. I am trying out the live cd but can't seem to find how to connect to the internet. My setup is Ethernet card and DSL modem, no routers, no wireless. How do I set this up?

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OpenSUSE Network :: 11.2 Xen Bridged Networking - Setup Multiple DomU Through The Default Bridge Setup

Feb 4, 2010

Im trying to setup multiple domU through the default bridge setup. I am able to access only one of them through the network at a time. If you ping one of the domU it works perfectly but you cannot ping any of the others until you stop pinging the one and even then it takes a bit before you can. Ive looked around for a while and seen similar problems but nothing ever seems quite the same. Im probably missing something really stupid. Or is this the way the bridge is supposed to behave? Do i need to use a routed virtual network?


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Fedora Networking :: No Internet Connectivity - Status Inactive PAN0

Mar 3, 2009

I'm new to Fedora 10 and still a newbie with Linux in general. I installed F10 on an old PC I had....and the install went well..however, I'm having Internet Connectivity issues.

Here is what I did so far:
Did an ifconfig command and I have the following:
pan0 Link encap: Ethernet HWaddr D2:30:36:AF:61:95
inet6 addr: fe80::d030:36ff:feaf:6195/64 Scope: Link
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes: 0 (0.0 b) Tx bytes: 8676 (8.4 KiB)

When I go to the Network Configuration Panel I see the following:
Status: Device: Nickname: Type:
Inactive pan0 pan0 Ethernet

Tried to activate and it states Activating network device pan0, please wait... determining IP information for pan0.... A few minutes pass by then. It indicates it failed. Cannot activate network device pan0! I have disabled the Controlled by NetworkManger and enabled the Activate device when computer starts.

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Fedora Networking :: Lost Internet Connectivity After Installing New NM Packages

Mar 12, 2009

On one of my F10 boxes yesterday, I installed several NM packages with yum update after being advised of their availability. Today, (the first reboot since installation) I no longer have network access on that box.

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