Networking :: Get A List Of IP Addresses Currently On The Network?
Dec 13, 2008
I am using DHCP on my home network. There could be as many as 5 computers logged in at any given time. Their IP addresses change depending on the sequence they log in.I want to be able to connect to them from any of them (some wired, some wireless) and share files by issuing a mount command for the appropriate shared drive.My question is how to get the IP of each computer when I only know the names of the computers. Pinging the computer name succeeds, but it does not give the IP.In other words I am looking for a Linux command that will come back with a list of IP's with their corresponding computer names so I can issue the right mount command. I would like to issue this command from a Linux terminal, but would also be happy to issue it from a Windows XP station.
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Jan 7, 2011
How can I find out list of multicast addresses and port in use?"netstat -ng" only gives list of multicast addresses that have been joined, it does not give port number.I have several hundred servers running application that listens to several multicast addresses on different ports. I want to write an audit script and get the list of multicast address and port numbers.
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Nov 2, 2010
I've got two NICs connected to two different routers, and on different subnets of course. Each is set for static IP. But somehow I must have mixed up the connections at some point, so the NICs don't always have the IP addresses I expect. I think there may also be a mixup with different ways of setting the network addresses. When I click the Network Icon on the Desktop, I see that each NIC has both addresses as options. The /etc/network/interfaces file has some information about eth0, but all commented out, so there must be another place the addresses get set. And I just discovered that eth0 and eth1 aren't physical but virtual. I guess eth0 is the first one that is set.
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Aug 25, 2011
I am trying to configure my IPv6 network. My computers are behind a Fedora gateway IPv6-configured, which is working great. But for computers inside my network, it seems I am getting only internal addresses from DHCP. Here is my ifconfig for an internal computer:
Quote: em1 Link encap:Ethernet HWaddr F4:6D:04:34:92:2B inet addr:192.168.0.184 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::f66d:4ff:fe34:922b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:744250 errors:0 dropped:0 overruns:0 frame:0 TX packets:548987 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:841392242 (802.4 MiB) TX ytes:60384500 (57.5 MiB) Interrupt:18 Memory:f7100000-f7120000
he-ipv6 Link encap:IPv6-in-IPv4 inet6 addr: 2001:470:1c:611::3/64 Scope:Global inet6 addr: fe80::cea7:b778/128 Scope:Link UP POINTOPOINT RUNNING NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:61 dropped:0 overruns:0 carrier:61 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
[Code]....
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Nov 27, 2015
Note the contents of my /etc/apt/sources.list. Only problem is when I run apt-get update there asome 'wheezy' update sources that I must have put it by accident. Where would they be coming from and how do I delete them?
Code: Select all#
# deb cdrom:[Debian GNU/Linux 8.2.0 _Jessie_ - Official amd64 NETINST Binary-1 20150906-11$
#deb cdrom:[Debian GNU/Linux 8.2.0 _Jessie_ - Official amd64 NETINST Binary-1 20150906-11:$
deb http://ftp.au.debian.org/debian/ jessie main
deb-src http://ftp.au.debian.org/debian/ jessie main
[Code] ....
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Feb 17, 2010
I am using 9.10, 64bit. Firefox 3.5.7. When I open a fresh instance of Firefox, I can start typing common addresses in the address field, and it will give me a list to choose from based on what I typed. However If I let the screen saver kick in, I lose that ability, until I close all open firefox windows and reopen them.
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May 16, 2010
I'd like a way to see all of the devices on my local network and what their local IP address is. I recall that I used wireshark to troubleshoot a similar problem a while back, but it doesn't seem to have a way to see all of the devices- only the traffic. (I'd like to do this without having to physically interface with my router if possible, and I am in an encrypted network if that matters)
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Jun 15, 2010
I want to find out ip addresses and also mac addressed of users connected to the same wifi router as me! how can I do that?
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Jan 27, 2010
does it still support the madwifi driver. i have tried to compile madwifi 0.94 that i got from svn and from sourceforge and it was succes, but the problem is it doesnt work. when i compile the source from subversion, i get the ath0 on iwconfig command but i can't get any wireless network on list of network. if i use the one from sourceforge, the iwconfig list even doesnt contain any ath*
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Mar 16, 2011
I'm having some problems with my wireless connection. I'm on Ubuntu 10.04, on a HP ProBook 4520s, with a RaLink RT3090 wireless network card. I installed the drivers (hopefully correctly), the wireless seems to work correctly, it scans and finds networks, but when I try to connect to one, it times out after some time, while still attempting to connect. I also have a wired connection that works correctly and without problems. Other computers that try to connect to said wireless network manage to do so without any problems, so this has left me a bit baffled, since, like I said, everything seems to be in order.
I'm a new Ubuntu user, so please tell me what other information I need to provide in order to easily and successfully facilitate troubleshooting this, because it is, as you can imagine, quite aggravating, having a laptop that needs to be connected to the internet through a cable.
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Jul 23, 2011
I want to set multiple IP addresses onto my server and I can then put under an alias.
But is it possible to somehow create a script in perl example that can do this for or is it only possible manually?
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Sep 13, 2011
I have created my own distribution with susestudio.com , based on jeOS template and it works well But I have some problems with network configuration. I make a default configuration with susestudio ( configuration -> General -> network ) and I put for example 172.16.0.185 address. I also put a script which configures IP address with different informations coming from for example a serial port to make my own IP address. This script make the new address and call the ifconfig system program. For example, the script calls "ifconfig eth0 172.16.0.182". And now, I can ping the two addresses, 172.16.0.185 and 172.16.0.182. Is this normal ? I thought the new command "ifconfig eth0 172.16.0.182" would overwrite the old value ( 172.16.0.185 ). It works as this on other distribs ( like ubuntu ) but not on opensuse.
I know that I can have 2 addresses but using the following syntax : "ifconfig eth0:1 A.B.C.D" (if kernel supports aliases ) , and I don't know if it is normally possible to have 2 address from the same subnet. How can I overwrite the default config , and not to have the first address available ?
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May 2, 2010
I have four PC's in a home network setup, no server just peer to peer using ssh. I have tended to use wicd to set static IP addresses because Network Manager didn't always perform as I thought it should. Now that I have installed 10.04 I cannot see how to set static addresses using Network Manager so I installed wicd, and disabled Network Manager. After setting the address with wicd it shows that the computer is connected to the internet however I cannot get internet access, though I can network with my other computers. I've uninstalled and reinstalled a few times just to check that I haven't been careless but the results are still the same.
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Feb 19, 2010
How do I assign IPv4 and IPv6 static addresses permanently in OpenSUSE 11.2? Currently I am only able to assign either IPv4 or IPv6 static address not both. I cannot find even the interfaces file(/etc/sysconfig/network/interfaces).
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Jul 21, 2010
The default installation of 11.3 has ipv6 enabled.When accessing a site using any browser, there was a considerable delay before the page would appear.I disabled ipv6 and things are normal.Is my computer going to explode in a couple of months from all the backed up addresses? Seriously, Is there something wrong with my setup?Why would ip6 be enabled by default if it slows things way down?There are just so many things I don't know.
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Jun 9, 2009
I'm in the process of setting up a script in perl to make 1,000's of curl calls to my companies application on our test server. Our software does all sorts of tracking of data based on IP addresses using geoIP, so i was wondering if anyone knew of a way to fake these addresses to the server?I know a big issue with the IP faking is the return path but i dont really need this. I also cant do it on the hardware level since the script is going to be picking lots of different IP's at random.Anyone have any idea if this is possible and if so, are there any known libraries i can use for this? I prefer perl but any Linux compatiblie scripting language is fine.
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Mar 12, 2011
I am working for a community where several people are engaged for 4 different development projects. we are planning to have a samba server to store our data.Now the problem is that I have created a share in which @groupa, @groupb and @groupc are allowed to read and write. But three of the members of @groupb are only allowed to for read permission only.
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Apr 29, 2011
I'm running Fedora 14 and when I'm surfing the web, it seems to lag in between pages. I don't think its my net connection, I just wiped windows 7 off my system for Fedora and it did not suffer from the same lag issues.I've tried adding in google's alternate dns server 8.8.8.8 but it didn't seem to fix the issue. I ran into this issue a couple years back on Ubuntu 8.1 or something like that, and I never could find out what I needed to configure.My second problem is that when I try to connect to other Windows systems on my wlan or wired connection, it gives the error "failed to retrieve share list from server". I'm not experienced in networking, can someone explain this to me?
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Oct 29, 2010
Does anyone know a good program to log ip addresses when visited or connecting to your machine? Something like tcpdump but for ip addresses, I forgot what its called.
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Feb 10, 2010
Is it possible to configure two IP addresses using one NIC? I'm implementing a VPN server on network 192.168.1.0, ultimately to be accessed over the Internet and through an ADSL router with port-forwarding to the server. Right now I'd like to test it on the LAN, but with the VPN client and server both on the 192.168.1.0 network, that test would not be be valid.
If I had a spare NIC I could put the server on both the 192.168.1.0 network and, say, a 10.0.0.0 network, configure the client on 10.0.0.0 and test. Not having a spare NIC, I'm wondering if it is possible to configure the server with two IP addressese NIC.Virtualising hosts are able to do something similar when running guests with NICs in bridged mode. Log files show they switch eth0 into promiscuouse.In case it matters the server OS is Slackware 13.0.
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Mar 11, 2010
Can I set 2 addresses for the *1* Ethernet card that I have on my motherboard? How would this scenario work?
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Apr 24, 2011
I've used two internet services to show me my IP address, and I get different results:1. Whatsmyip.org : ***.**.109.***2. ipchicken.com : ***.**.111.***All the * numbers are same, except 109 and 111. (or link me to explanation) of which one's which?
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Nov 19, 2010
How can I get two ip addresses to communicate with each other which are not in the same 255 range?
Like:
192.168.0.1
and
192.168.1.1
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Sep 25, 2010
My machine has ONE ethernet card and is on a LAN.IP address is assigned to hosts using DHCP.I can have more than one MAC address on LAN by running Virtual Machine and setting network to bridged. This way, my virtual machine simply acts like there is one more machine in the network.Running VMWare for this job is a a bit heavy on resources. Is there a way so that I can I can have 2 or more ip addresses with different MAC address on the same machine without having to run VirtualBox.
By googling, I think its related to bridging and tap. And, I am sure thatts NOT IP-ALIASING because in ip-aliasing both the ip addresses have the same MAC address.Basically, I want my system to have interfaces like:-eth0 - which was originally presentlo- thats always present :|newint0 - New interface with new MAC address and IP addresses which can access my LAN directly. Its like if I bind, let us suppose curl to this interface, its like a different connection
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Apr 27, 2010
I have a Samba server running in my Lan (mainly for file and print service). This server will act as a PDC (don't ask why...). I have a question: Under a share I can use the "read list" and "write list" options with groups (eg @users). Is that group a Linux or Samba group? If it's the later, am I forced to use the net groupmap command, or it is sufficient to have a group name in the /etc/group file? Should I add samba/linux users to that group (with net rpc) or is sufficient to have the group membership set in the linux?
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Jul 29, 2009
I have connected my computer to network. Computers in network have dynamic ip address which is assigned by ADSL modem's DHCP. Besides this I want to have static IP address for same NIC. So is it possible to have both static and dynamic IP address for single NIC? If so how can I assign it using command and also in GUI?
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Feb 24, 2010
I have a Dell Inspiron 1545 with Ubuntu Karmic that was working like a charm until last week.When I'm using my college's wireless I can browse just fine, but when I'm in my home's network the web addresses cannot be resolved.I was suspecting of DNS error, but it's the same DNS address in all the other computers, and the whole network is working just fine.The thing is that if I use the IPs, for instance 64.233.163.104 for Google, it works fine, both pinging and browsing. So the problem is in resolving the addresses...
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Jan 12, 2011
I am running a dual boot PC, Ubuntu 10.10 & Win7. I do sticky static IPs on my local network, but it doesn't work cause the Ethernet adapter gets a different MAC address in Windows 7 (EF:9F:E9:F7:F7:F7) than it shows for Ubuntu 10.10 (00:13:74:00:5C:3. I am not sure if this is a Windows problem or something up with Ubuntu. The card is an on-board Atheros L2 fast Ethernet adapter. I have tried updating the drivers in Windows & nothing is working.
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Nov 30, 2010
I would like to know if a rule has been applied to the iptables.active file to accept direct connections on port 22 through an IP address, can I also add a mac address/addresses to the rules such that if I am not on the network with the accepting IP address, that my MAC address will still get me in?
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May 23, 2011
I would like have a password for accessing my web site which works fine. I also want for the specific site to allow access only for a specific range of ips. Right now the following config should forbid my access, as my ip is different from 200.200.200.*
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