Qemu Eth0 Error While Getting Interface Flags No Such Device
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Error While Getting Interface Flags No Such Device Airmon-ng
srevice ssh svn system templates terminal visual studio web Windows wordpress xslt Blogroll Inventic.eu ORM Designer Ubuntu siocsifaddr: no such device eth0: ERROR while getting interface flags: No such device This article is step-by-step tutorial how to fix a problem which occured after I restored my virtual machines from
At0 Error While Getting Interface Flags No Such Device
backup to my ESXI server. ifconfig ifconfig when eth0 is not available when I used lspci, result was lspci lspci result So network adapter is correctly available in my virtual machine. As next step I need to found out which alias is used for this adapter. I didn't find any easily way than try et0,eth1,…. ifconfig eth0 eth0: android eth0 no such device error fetching interface information: Device not found ifconfig eth1 eth1: error fetching interface information: Device not found ifconfig eth2 eth2: Link encap: Ethernet HWaddr..... So, I found my network adapter. Now as last step it's necessary to update network interfaces to this adapter sudo nano /etc/network/interfaces #and change all eth0 to eth1 values /etc/network/interfaces As last step restart your machine and everything should work correctly. External links: http://www.cyberciti.biz/faq/show-ethernet-adapter-ubuntu-linux/ Posted on 2013/03/182013/03/18Author ludek.vodickaCategories LinuxTags Linux, network, virtual-machine 15 thoughts on “Ubuntu eth0: ERROR while getting interface flags: No such device” Aaron says: 2013/08/14 at 21:07 You're a lifesaver! Thanks so much, this fixed an issue I just couldn't figure out. Reply sean says: 2013/09/05 at 03:14 found 5 processes that could cause trouble. If airodump-ng, aireplay-ng or airtun-ng stops working after a short period of time, you may want to kill (some of) them! -e PID Name 580 avahi-daemon 586 avahi-daemon 789 NetworkManager 853 wpa_supplicant 5254 dhclient Process with PID 5254 (dhclient) is running on interface eth1 Interface Chipset Driver et
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titles only Posted by Member: Separate names with a comma. Newer Than: Search this thread only Search this forum only Display results as threads More... Useful Searches Recent Posts Menu Forums Forums Quick Links https://forum.proxmox.com/threads/vm-no-internet.27600/ Search Forums Recent Posts Members Members Quick Links Notable Members Current Visitors Recent Activity New Profile Posts Menu Log in Sign up Proxmox Support Forum Forums > Proxmox Virtual Environment > Proxmox VE: Networking and http://140.120.7.21/KVM-tool/MyKvmNotes.html Firewall > This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More. VM no Internet Discussion in 'Proxmox VE: Networking and Firewall' started by eiger3970, May no such 27, 2016. eiger3970 Member Joined: Sep 9, 2012 Messages: 161 Likes Received: 0 Hello, I upgraded to Proxmox Virtual Environment 4.2-2/725d76f0 and restored the VMs, but 1 VM (Ubuntu) will not access Internet? I set /etc/network/interfaces with the same config as the other VMs, but no Internet for some reason? Setting is: Code: source /etc/network/interfaces.d/* auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.1.143 netmask 255.255.255.0 network no such device 192.168.1.0 gateway 192.168.1.1 dns-nameservers 8.8.8.8 dns-nameservers 8.8.4.4 Any suggestions on the Proxmox config at all? I might remove and create a new VM and restore the VM to fix it, but I would like to know what configuration is awry. Yes, for any troll helpers, I read proxmox https://pve.proxmox.com/wiki/Network_Model #1 eiger3970, May 27, 2016 dcsapak Proxmox Staff Member Staff Member Joined: Feb 1, 2016 Messages: 377 Likes Received: 27 could you post the config of the specific vm with Code: qm config VMID #2 dcsapak, May 27, 2016 eiger3970 Member Joined: Sep 9, 2012 Messages: 161 Likes Received: 0 Thank you. VM 141's network shows: (141 DHCP and static IP has Internet) Code: net0: e1000=02:4A:8D:18:39:63,bridge=vmbr0 VM 143's network shows: (DHCP has Internet, but static IP (preferred) has no Internet) Code: net0: bridge=vmbr0,e1000=36:64:33:61:65:63 I'm not sure why the order of the network bridge and e1000 (not sure what e1000 is) is different, so I'll research. Any help on this would be great and maybe quicker than my research. VM 141 Code: root@proxmox:~# qm config 141 bootdisk: virtio0 cores: 1 ide2: local:iso/ubuntu-16.04-server-amd64.iso,media=cdrom memory: 2048 name: vm141 net0: e1000=02:4A:8D:18:39:63,bridge=vmbr0 onboot: 1 ostype: other smbios1: uuid=bcd7c21c-69ce-4ae0-a7c2-95eed0ab2d2c sockets: 1 virtio0: local:141/vm-141-disk-1.raw,size=100G VM 143 Code: root@proxmox:~# qm config 143 bootdisk: virtio0 cores: 1 ide2: local:iso/ubuntu-16.04-server-amd64.iso,media=cdrom memory: 204
Gparted:~$ ls -l /sys/devices/pci0000:00/0000:00:03.0/net total 0 drwxr-xr-x 5 root root 0 Sep 10 20:37 ens3 Try them all, none worked. Even can no longer upgrade kernel. Because I killed some udev related files, the initrd* file failed to be regenerated. After "sudo apt-get install udev --reinstall", update-initramfs can be successfully executed. And get the "eth0" back. Basically, we can try: $ udevadm test-builtin net_id /sys/class/net/ens3 2>/dev/null PATH: enp0s3 $ cat /etc/udev/rules.d/10-network.rules SUBSYSTEM=="net", ACTION=="add", ATTR{address}=="1c:6f:65:35:14:4b", KERNEL=="enp0s3", NAME="eth0" # Probably, need to update-initramfs, since it seems "ens3" is recorded in the init ram # disk. After successfully reboot, $ sudo rm /etc/udev/rules.d/10-network.rules Edit your /etc/default/grub by modifying GRUB_CMDLINE_LINUX="" to GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0" $ sudo update-grub Sorry about this unrelated message, but rather important: When we deploy high availability virtual machines on the net, our primary concern is user friendliness. But, the ssh attacks from China occupied 1/3 of the log files in /var/log/au*. I set up /etc/hosts.deny (on av-09) as follow: $ diff /etc/hosts.deny /etc/hosts.deny.orig 20,21d19 < sshd: .cn, .cn.net, .cn.com < sshd: UNKNOWN Guess what! We have reduced the file sizes of these log files to 1/4. What this means in plain English is that our system spent much less CPU cycles handling the unwanted ssh connection requests. Or in other words, our precious CPU cycles are saved. But, in the larger picture, our precious net bandwidth can be used more wisely. I think Professor Kou can give us much more insight in this matter! How or could we set up another virtual machine to gather some meaningful statistics? This problem has bothered me for two or three years. I think this problem is significant, since the quality of tar net is much worse than that of lousy TT&T. Note: (07/13/2009) Fail2ban stopped working on Jul 12 06:25. Someone tried to login (via ssh) 9814 times from Ip address: 212.75.215.254 (Italy). We are in deep trouble. First, why and how fail2ban was disabled? Even if it were enabled, could it catch this IP address, since the ports used were changing? I think so, since if it worked normally, no login attempts exceeded 100 times. Restart fail2ban on Jul 13 09:17:02 CST 2009. Note: (06/30/2010) I also installed Debian/Lenny and upgraded to Debian/Squeeze. After several system upgradings, UUID and /dev/disk/by-uuid business failed miserably. When booting deb-sqz, all I saw was "Starting SeaBIOS" and "Unaligned Pointer" messages.