a command from Linux POSIX operating system able to give information about the IP network.

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375 views

Concise IP information in OS X Terminal

Is there a command for the OS X Terminal that shows you only the most vital IP configuration information about your machine? I know there is "ifconfig" but that brings up a bunch of (in most cases) ...
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2answers
322 views

Ethernet and PPPoE conflict with each other

I have an old computer in my dorm room. It acts as a gateway and traffic-shaper (htb) for me and my roommates. Debian is installed into it. It has been working quite good for a year. Nothing ...
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1answer
661 views

`ifconfig` isn't showing stats for an alx gigabit card

So I just setup conky on my arch box for monitoring various stats on the desktop, and I'm having a small problem. The relevant text in my conky config: down $alignr ${downspeedf enp9s0} kb/s - ...
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1answer
170 views

EC2 instance with two internal IPs - using ifconfig

I am trying to allocate another internal IP to an EC2 (classic - not VPC) instance with the following command. sudo ifconfig eth0:0 inet 10.80.7.40 netmask 255.255.255.0 Here, 10.80.7.40 is just a ...
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1answer
3k views

How do I use a single wireless adapter for both an access point and client on raspberry pi?

I have been able to create a wireless access point (on my raspberry pi) using a usb wifi dongle using hostapd on wlan0. What I would like to be able to do is have the access point be on some virtual ...
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1answer
350 views

What causes a TX overrun, and how to troubleshoot?

On a Linux machine acting as a router I have a large number of TX 'overruns'. The machine routes through a tunnel interface (which is where the overruns are occuring). What would cause these ...
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1answer
333 views

ifconfig fails to install route if interface ip is existing broadcast address

Consider the following setup: X@Y:~$ sudo ip link add link eth0 name eth0.3 type vlan id 3 X@Y:~$ sudo ip link add link eth0 name eth0.2 type vlan id 2 X@Y:~$ sudo ifconfig eth0.2 192.168.2.1/30 ...
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1answer
207 views

how to force an illegal netmask in ubuntu

I want to force a netmask on my Ubuntu machine. For example, I want 11.0.0.1 to get a netmask of 255.255.255.0 I tried editing /etc/network/interfaces and I forced the desired netmask, but as soon as ...
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1answer
285 views

CE interface in Solaris 10 drops mac address (per ifconfig)

I recently installed Solaris 10 1/13 and proprietary TCP PEP software on a new hard drive within an old Sun v210. When the PEP software starts, the Sun's CE0 interface loses its "ether" address, ...
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1answer
350 views

how to change ip address in the correct way on linux?

I'm working with wheezy. I have configured the /etc/network/interfaces file so that the wlan gets the ip address from the dhcp server. after that I have imposed a different static ip address in the ...
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1answer
646 views

why does “ipconfig getifaddr ppp0” fail?

I am trying to find my IP on VPN (PPTP) so I tried "ipconfig getifaddr ppp0" but it gave me "get if addr ppp0 failed, (os/kern) failure." Why does it fail and what should I do instead? ifconfig shows ...
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1answer
148 views

Configure the Ethernet Interface from the Command Line

I have connected to a Virtual Server with an SSH client using IP address: 172.xx.xx.154/22 I have been asked to configure eth1 to 172.xx.xx.155/24 with gateway IP Address of: 172.xx.xx.1 Any help ...
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0answers
303 views

Script to join WPA2 Enterprise wifi

When I head to work with my MBP running OSX 10.7, I have to go through this series: Join Other Network Enter SSID select Security = WPA2 Enterprise generate a pw via my RSA soft token Join ...
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0answers
13 views

FreeBSD turning off offloading

How can I turn off the following in FreeBSD? tx checksum offloading rx checksum offloading tcp segment offloading large segment offloading
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0answers
311 views

Why does “sudo ifconfig eth0 down” followed by “sudo ifconfig eth0 up” stop dhcp?

I am playing around in Ubuntu 12.04 trying to learn about networking. I learned that you can delete a network interface by running sudo ifconfig name_of_network_interface down However, when I do ...
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0answers
4k views

Ubuntu network keeps giving Network Disconnected - You are now offline message

On the face of it, you will find that this is a common question but please read it completely to understand the specific issue that I have. I am running Ubuntu 12.04.4. I keep getting this network ...
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0answers
36 views

ifconfig shows no active connection (Mac os X)

I'm running os x 10.9.1. In terminal, just ran the ifconfig command, and despite having an active internet connection via USB dongle, none of the interfaces read any inet or inet6 address (except ...
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0answers
53 views

Why can we add virtual interface using `iw dev <devname> interface add…`

I knows that with mac80211 we can create multiple virtual interfaces on one physical device. From iw's official docs I found this could be done by these two commands: iw dev <devname> interface ...
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0answers
28 views

IP for virtual interface gets assigned to physical interface

I'm configuring a physical NIC and a virtual interface based on it as follows in /etc/network/interfaces: auto eth0 iface eth0 inet dhcp auto eth0:1 iface eth0:1 inet manual post-up ifconfig ...
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0answers
24 views

Will dead network hardware still show up in Ubuntu ifconfig?

I have an Intel NUC and I suspect the onboard ethernet port died, but I'm surprised it still shows up in Ubuntu as eth0 in ifconfig. Is this behavior to be expected, or should I suspect some other ...
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0answers
54 views

How to create new localhost interface in Windows?

In *unix you can write: sudo ifconfig lo0 127.0.2.1 up But how to do this command line in Windows?
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0answers
124 views

VMware Fusion 5 Ignoring dhcpd.conf

I'm trying to set a static IP for my CentOS 6.4 VM that I'm running via VMware Fusion 5. Steps I took: ran ifconfig, copied HWaddr shut down VM. added to the end of /Library/Preferences/VMware\ ...
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0answers
813 views

ifconfig won't let me set MAC address that doesn't begin with 00:26

I have an Intel 1000 BGN Wi-Fi card and I tried to set its MAC address to 00:00:de:ad:be:ef, but this didn't work: [root@localhost .]# ifconfig wlan0 hw ether 00:00:de:ad:be:ef SIOCSIFHWADDR: Cannot ...
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0answers
957 views

why does my time warner cable modem connection enter dead period states every 20 mins?

My wifi connection (from my MacBook running Snow Leopard) to a Time Warrner cabel model and router has a recurring connection problem. Every 20 minutes or so it will enter a "dead state" where no ...