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0answers
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Ubuntu 14 lts request host-name update by dhclient

In ubuntu 12 lts, for update the hostname by our dhcp server, we have juste to edit /Etc/dhcp/dhclient.conf and set request or require host-name and del the /etc/hostname. I try this in ubuntu 14 but ...
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1answer
130 views

How can I reload dhclient without restarting network?

I am using ubuntu 14.04 on ec2 instance, I am changing dhcp settings as part of the provisioning process, and I cant find a way to reload the dhclient. Infact, theres no way to restart network on ...
0
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1answer
184 views

Correct DHCP client configuration

I have two dhcp directories in /etc: /etc/dhcp and /etc/dhcp3 Which one is the correct direcotry for editing my dhcp client configuration? I want to send the hostname with dhcp and so was trying to ...
0
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1answer
82 views

Is it possible to periodically repeat a dhcp request?

I have my ubuntu server set to get addresses from a dhcp server. However, if that dhcp server is not currently active, the server will just stay with no address. Is there some mechanism to ...
2
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2answers
437 views

Cannot access local hosts by name, but can by IP address

I'm new to Ubuntu and a novice in networking. I cannot access the hosts on the local network by name from my freshly installed 13.10 (no GUI) server. It is not configured as a DHCP server. I use a ...
0
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1answer
358 views

dhclient.conf supersede stanzas ignored

I'm putting the following lines at the top (also tried the bottom) of my dhclient.conf file: send host-name "hostname"; supersede domain-name "my-domain-name" supersede domain-search "my-domain-name" ...
0
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1answer
288 views

Is network manager called from an /etc/init.d script?

I want to run a script to set the hostname on a heavy customized liveUSB version of ubuntu 10.04 (customized means I'm not ready to update to latest version) I need the script to run before the ...
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0answers
404 views

Mininet problem in allocating IP address

I have encountered a problem in Mininet. The eth0 is allocated to NAT in Mininet and has a certain IP address to connect to the internet. But when I define a host only adaptor, the IPv4 is allocated ...
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0answers
221 views

Running openvpn with dhclient without messing up name resolution

I connect to an Openvpn server that requires me to set up the tap interface with dhclient after establishing the connection. I run and exit dhclient like this: /sbin/dhclient -nw -v tap0 ...
1
vote
2answers
1k views

Problems running dhclient

After running apt-get upgrade and restarting an Ubuntu Server install I noticed the computer didn't have a network connection. I checked ifconfig ~$ ifconfig lo Link encap:Local Loopback ...
0
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1answer
2k views

How to start dhclient at boot?

Here's the problem: root@home:~# ping 8.8.8.8 connect: Network is unreachable root@home:~# dhclient eth0 RTNETLINK answers: File exists root@home:~# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) ...
0
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1answer
432 views

Many dhclient processes running?

Is it OK to have many dhclient processes running? Or is this an error and you should always have one such a process? What does it mean? Why is it listening? Is this computer a DHCP client or is it a ...
0
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1answer
60 views

how do I get dhclient to start when I login and start as root?

I've messed up my ubuntu. I uninstalled something that network-manager depended on and now I have to start the dhclient manually every time I log in. I've got a script that does the sudo dhclient eth0 ...
4
votes
1answer
3k views

How do I turn off avahi-daemon on boot? [duplicate]

I just switched from Windows 8 to Ubuntu 13.04. I installed UFW GUI interface for the firewall. In the listening report it shows the something called dhclient and avahi-daemon running in a few ports. ...
1
vote
1answer
2k views

Regenerate resolv.conf from dhclient.conf without releasing/renewing IP?

When I make changes to dhclient.conf such as modifying the DNS search path (so that the changes don't get lost on reboot or DHCP renews), how do I regenerate /etc/resolv.conf? That page suggests ...
1
vote
1answer
1k views

eth0: PACKET SNIFFER(/sbin/dhclient

Im new to Ubuntu and would like help please, I ran ProShield and got this error - eth0: PACKET SNIFFER(/sbin/dhclient I ran the following programs below and nothing came up as far as I can see. ...
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2answers
4k views

How to force dhclient to run?

I usually run with eth0 config'd statically from info in /etc/network/interfaces, but sometimes need to use a dhcp acquired config. Running dhclient just tells me it's now an upstart job and suggests ...
1
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2answers
4k views

internet issues after upgrading to Ubuntu 12.10

I upgraded to Ubuntu 12.10 using update manager. After the upgrade, the wifi gets connected but would not display any webpages. If I ping 8.8.8.8 or google.com, there is response. I managed to fix ...
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0answers
145 views

Cannot get Dell Dimension 3000 to get DHCP from DCP3010 Charter cable modem [closed]

I am trying to set up a firewall on a Dell Dimension 3000 with server 12.04. I have a DCP3010 cable modem from Charter, when I plug my Win7 laptop directly into the modem I get an IP address through ...
3
votes
2answers
5k views

How can I automate a root command after (not during) startup?

I'm using Ubuntu 12.04 LTS, but I need to run the following command: sudo dhclient after startup to acquire a stable ethernet connection. I am running dhclient during startup already, through the ...
1
vote
3answers
7k views

Two “search” entries in resolv.conf

I am using 12.04 and have a problem with my resolv.conf There are 2 search lines there. But I can only explain one. I would like to get the other one removed. carsten@myubuntubox:~$ cat ...
0
votes
2answers
427 views

Internet doesn't work by default

After upgrading to Precise, I am required to run 'sudo dhclient eth0' in a terminal in order to get the internet to work. Everything worked perfectly fine on Oneiric, so It's really puzzling me. I'm ...
1
vote
1answer
3k views

Why does dhclient <interface> return a services related message?

I'm trying to use dhclient to set up a tether with dhclient, which worked in 11.04. However, upon upgrading to 11.10, I get the following message when trying to use it. Rather than invoking init ...
3
votes
1answer
421 views

Sify broadband dialer client fail to install

A few days ago I tried to migrate directly towards ubuntu 11.04,but find it difficult,because my internet connection doesn't works as it depends on sify dialer login GUI program provided on windows. ...
3
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2answers
5k views

Can't get ipv6 address using dhcp

I can get the ipv4 address using dhcp,But can't get the ipv6 address. the dhcp server also support the ipv6 service. ifconfig eth0 eth0 Link encap:Ethernet HWaddr: 00:21:85:d3:a3:36 ...
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5answers
9k views

Why is dhclient saying: “SIOCSIFADDR: Permission denied”?

I have encountered a very weird error on ubuntu-server (8.04), I have no idea why dhclient is not allowed to set the network settings! I'm not the one who installed the server in the first place, so i ...