Managing and using network connectivity on a Ubuntu system

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3
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3answers
7k views

Problem accessing Windows Share from Ubuntu using Samba

I'm trying to connect to my Windows Share from Ubuntu, and I can't access it although I can access my Users folder. The share works fine when I'm connecting from a Windows computer, so the problem ...
4
votes
2answers
244 views

Lan party network usage statistics

Me and couple of my friends have decided to make a lan party around 40 to 50 players. I have couple of conserns I need to find solutions for. DHCP server I have now installed a DHCP server (in ...
1
vote
0answers
150 views

twitter.com (ssl) not loading

If I'm trying to go on https://twitter.com it just timeout on Firefox. If I use curl : vayan@vayan-desktop:~$ curl -v https://twitter.com * Rebuilt URL to: https://twitter.com/ * Hostname was NOT ...
1
vote
2answers
825 views

Shared folder in ubuntu to windows 7

I successfully shared a folder from windows 7 to Ubuntu(in virtual box) but now I want to know how to share Ubuntu(in virtual box) to windows 7 using a command like this: net use x: \\vboxsvr\share ...
0
votes
1answer
254 views

Wifi not working after suspend

I have notebook Lenovo Z500, his wireless hw: Centrino Wireless-N 2230 (vendor - Intel). When I close the lid notebook suspends and when it is woken up wifi is disabled and there is no way to enable ...
0
votes
1answer
141 views

Problem installing Micromax MMX 355G

I'm using Ubuntu 13.10. After much this and that, I was able to install the software on my Windows XP. It then ran automatically. But when I open my Ubuntu, I cannot find a way to install it. The ...
0
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0answers
17 views

Installing drivers for my wireless adapter [duplicate]

I have installed Ubuntu 14.04 and cannot get my wireless adapter to work, also it does not show or appear in the All Settings-> Software & Updates -> Additional Drivers. I have also tried using ...
2
votes
0answers
100 views

Are there differences between ubuntu server 12.04 and 14.04 in network configuration during the installation?

I decided to turn my old laptop into a server just to learn about servers and linux. I installed the ubuntu server 12.04, I chose my wireless connection during the installation and I installed the ...
1
vote
0answers
286 views

PPTP connection failures with client VPN

I'm running trusty on AWS and am trying to connect to a client's VPN. They use Softlayer, whose docs recommend connecting with PPTP. I've been able to connect successfully, but the connection is very ...
0
votes
1answer
700 views

Ethernet network disconnected - wireless working

I experience a problem after a I moved in to my new home. I connect to internet through a router. Wireless is working just fine, but wired network is disconnected (ofcourse I plugged in the cable) :). ...
1
vote
0answers
211 views

Sharing mobile broadband connection through datacable on android device

Okay so I baught a new android device with kitkat and I'm using Ubuntu 14.04 LTS with an LTE device connected as a mobile broadband. I do have a 3g connection on my cell though but when I was browsing ...
0
votes
1answer
237 views

Spy wake up on lan packages

I have a windows computer which trunes on by magic I had long time no clue why this happens until I found the command powercfg -lastwake which told me that my NIC woke up the computer. The wired part ...
0
votes
1answer
83 views

Messed with DNS, now does not connect to Internet

So I was trying to fix this reverse DNS issue: $ dig HOSTNAME.DOMAIN.com 1.2.3.4 #example $ dig -x 1.2.3.4 OTHERHOSTNAME.OTHERDOMAIN.com I was blindly following online ...
2
votes
1answer
884 views

How to enable echo service in Ubuntu?

I want to test my UDP client send/receive cycle with echo service, but there is no /etc/inetd.conf mentioned in Wikipedia page in Ubuntu.
0
votes
1answer
453 views

How to get Internet connection working (restarting networking and network-manager does nothing)?

My Internet connection is not working since I restarted my laptop (which is very old). Here's what I've tried: Ran sudo -s then tried /etc/init.d/networking stop: * Deconfiguring network interfaces....
2
votes
3answers
3k views

I cannot create a new VPN connection 14.04

I have installed ubuntu 14.04 and it seems like I cannot actually create a VPN connectionor manage the network devices. When I am accessing the network connection using the network icon at the gnome ...
1
vote
0answers
1k views

No gateway ping in ubuntu and fedora, but ok on windows

I am facing a confusing problem. while using my home Wifi on ubuntu 14.04 amd64, my internet connection suddenly gives no response but in notification area it is shown as connected. I switched my ...
0
votes
1answer
80 views

Cannot write network share

I'm trying to set up my personal computer to access my work file shares. I mounted successfully and I can read files just fine, but I have no write access. Here is the line I added to my fstab: //...
1
vote
0answers
1k views

SSH into Ubuntu server (14.04.1) Using mac terminal (os version 10.9.4)?

I am having difficulty connecting remotely to the ubuntu server from the mac terminal. So far I have run: sudo apt-get install openssh-server when I try to connect via the ip address I get an error:...
1
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0answers
942 views

WIFI working but Wired Connection not working: Ubuntu 14.04

I have successful connection through WIFI in both Ubuntu and Windows. (I have dual boot:Ubuntu 14.04 installed & upgraded to 14.04.1 and Windows 8.1) But I have problem in wired connection in ...
0
votes
2answers
868 views

Cannot connect to wireless router with TL-WDN4800 card on ubuntu 12.04

My wifi card detects my router, but can't connect to it. On windows 8.1, it connects with no trouble. I have made sure that I selected the right security mode, and I have entered the router's mac ...
1
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2answers
763 views

how to setup split-dns for vpn with network-manager

I want to create a split-DNS config on a 14.04 desktop machine with both a local eth network and a VPN connection. Ie I should send DNS lookups for address ranges that are accessed via the vpn to the ...
1
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0answers
143 views

Any way to connect to my PPTPD (VPN) while port 1723 is blocked?

I've set up a VPN/PPTPD Network on my VPS with the intention to bypass the blocked ports at my work and in the train so I can watch youtube and stuff. Now the problem is that when I try to connect to ...
1
vote
1answer
107 views

Problem connecting to ssh server that is behind another ssh server in nautilus

So I have this school server that I am trying to connect to via nautilus. In terminal it's all easy but I want to be able to open it also in nautilus. In terminal my way of doing it looks like this: ...
1
vote
1answer
4k views

Attach a failover ip OVH

today i bought 4 ips from OVH for my dedicated server and i want to attach them . The documentation says to add a new auto eth0:0 in to the network/interface but i want to make sure that this is ...
0
votes
1answer
655 views

SoftLayer Desktop VPN client

I'm having an issue using SoftLayer's Desktop VPN client for linux. I've found that I am only able to successfully connect to my VPN secured services the first time I run the client. Every subsequent ...
1
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0answers
185 views

create a new connection and connect to hidden network disappears from network bar

My wireless network card is broadcom b4313,the default wireless driver installed with ubuntu 14.04 was not supporting access point mode. So I removed the default driver and installed brcmsmac driver ...
0
votes
1answer
1k views

Lubuntu 14.04 internet connection very slow (ethernet)

my internet connection is very slow. I have also windows XP installed and it does not have any problem. The PC is an HP Pavilion t3320.it the ethernet adaptor is "rtl8100"
-1
votes
1answer
1k views

How do I make my laptop act as an NTP server in LAN without connecting to the internet?

I need to set my laptop as an NTP server within my own local area network. From what I notice, I am able to sync the client to my NTP server in a local area network ONLY when a.) There is an ...
1
vote
2answers
148 views

Working with two internet connections

That's my server network setup: /etc/network/interfaces auto ethLAN iface ethLAN inet static address 192.168.10.3 netmask 255.255.255.0 network 192.168.10.0 broadcast 192.168.10.255 auto ethOI ...
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0answers
627 views

I can ping but can't browse

I have Xubuntu 14.04 with the latest update and having issues connecting to the university's network. I'm running xubuntu on my chromebook and the internet works at home but I just started school and ...
2
votes
0answers
177 views

How do I find which OS layer (iptables, rp_filter, etc) is dropping a packet?

Let's say that I'm running a ping towards a machine and I see from tcpdump that the icmp echo reply is being received at the ethernet port but the ping program is not getting it. So I know that ...
1
vote
2answers
421 views

Ubuntu Server not reading /etc/network/interfaces

So after getting frustrated searching online and only ever coming up with posts about how to change EM1 to ETH0, I have come here to ask this question: What would cause Ubuntu Server to not load ...
1
vote
1answer
488 views

How to compress syslog-ng's network link, now that zlib is disabled in openssl?

In our servers infrastructure, for logging, we use a client/server setup, using syslog-ng, and stunnel as a mean of compression at the network level, through zlib at the SSL layer (syslog-ng doesn't ...
2
votes
1answer
538 views

Ubuntu 14.01 LTS can't access some websites

Something is wrong with Ubuntu Kernel and Windows DHCP,DNS Server. First i will explain my problem in few words and then ill post all my configurations. My ubuntu computer is behind a all-in-one ...
1
vote
2answers
59 views

Networking OK during install but not after reboot

(note wired not wireless) I just put 14.04 server onto an old-ish dell box with a realtek ethernet card on eth1 (eth0 is dead). lspci reports it as RTL-8100/8101L/8139. I did a complete reformat/...
1
vote
1answer
1k views

Ubuntu server 14.04.1 LTS wont install any packages after reboot

I just installed Ubuntu server 14.04.1 LTS on my old gaming pc to run a file server on. I got it all installed on the PC and was able to apt-get update and apt-get upgrade and install samba, openssh-...
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0answers
27 views

Does the desktop version have a limitation on TCP connection number?

We have a server application in JAVA, these days when the TCP connection number is more than 1000, I get the error message "too many open files", although I have increased the number of file ...
0
votes
1answer
135 views

Why is Ubuntu suddenly crippling my network?

I'm running Xubuntu 14.04 64-bit. I have recently started noticing randomly that my wireless adaptor suddenly becomes a jamming device for the network I'm connected to! I see 0Kbit/s in my network ...
0
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0answers
20 views

Networking - how to allow from second lan interface to access first lan interface? [duplicate]

I have one box with 2 ethernet interface: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 192.168.2.1 netmask 255.255.255.0 #network 192....
2
votes
3answers
11k views

Lenovo g5030 not having any hardware switch for wifi or bluetooth after installing ubuntu 14.04

In rfkill it shows wifi is hard block and bluetooth is also hardblock. Bluetooth soft unlock is working but wifi soft unlock is not working. Bios wifi is enabled. Can any body help me fix this?
2
votes
0answers
635 views

Why are browsing samba shares from Ubuntu (Nautilus) so much slower than browsing from Windows

I have a samba share over the a vpn server. Browsing the share takes 60 times longer from Ubuntu than it takes from Windows. From a Windows 7 Virtual Box (and any other machine in the shop) it takes ...
0
votes
1answer
45 views

Program that simply slows down a network?

This may seem like an odd question, but I have my reasons. I wanted to ask whether there is a specific program or shell that I can run to just make constant requests to a network which just eats ...
1
vote
1answer
380 views

14.04 - Network Manager takes too much time reconnecting after resume/wake

I have an Intel wireless network card in my notebook. Whenever I resume/wake/unhibernate my computer it takes about a minute or so in order to be able to connect to the Internet again. It's just too ...
0
votes
1answer
496 views

softether VPN access list not working

I installed softether as VPN server on UBUNTU 12.4. nOW I add anonymous user for special range of ips. as you see blow i created a user named 'all' : and i created an access list to deny access ...
-1
votes
1answer
549 views

Very slow Internet speed due to proxy

I have just installed Ubuntu and I am totally a noob. My proxy was 172.31.1.4:8080 and i added these settings to run the internet mozilla get the normal speed but when i try to download anything from ...
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0answers
368 views

Slow network and file copy performance

I'm experiencing a weird problem with my Kubuntu installation. I'm running 14.4 now that was upgraded at least twice using the built-in distribution upgrade. The problems started after the last ...
0
votes
1answer
333 views

Ubuntu 14.04 32/64 bits no usb mouse keyboard no network waiting for network configuration

i am used ubuntu and now i am reinstalled 14.04 64 and no mouse or keyboard or network i am use rescue console from install cd to gather this hw info my network card is qualcomm atheros AR8161 ...
1
vote
1answer
1k views

Can't ping Arch Linux machine from Ubuntu Server

I have a server and a desktop. Server: OS: Ubuntu Server 14.04.1 IP address: DHCP from Asus router, allocated by MAC address to 192.168.1.4 Connection: wired Ethernet, always on Desktop: OS: ...
2
votes
0answers
77 views

How do I create a DHCP server, with a router that doesn't allow me to disable DHCP?

I have an Actiontec V1000H Modem/Router from my ISP Telus, they have blocked access to all their 'advanced' settings like DHCP/Bridging. I have setup a MAAS server I have a few things I'd like it to ...