Netzwerk Interface eth0 disappeared

find the name with “ip link show”

Access Single user Mode (set root passwd)

(Debian, Ubuntu)

1. Restart the server.
2. As soon as the  GRUB boot prompt appears press “e” to edit to edit the first boot option.
3. Find the kernel line (starts with “linux /boot/”) and add init=”/bin/bash” at the end of the line
4. Press CTRL-X or F10 to boot.
5. System will boot and you will see the root prompt. Type “mount -rw -o remount /” and then “passwd” to change the root password after that reboot.

“There is no public key available for the following key IDs” on apt-get update

sudo aptitude install debian-keyring debian-archive-keyring   

fixed it for me 

maybe also try apt-key update

Ubuntu mount NTFS readonly

Tags

linux, NTFS Read only, Ubuntu

One reason could be that the system might not have installed packages needed for writing to NTFS partitions.

Yoe may try to install it within a terminal by:

sudo apt-get install ntfs-3g

After rebooting your system you should now be able to write to the NTFS drive.

Ubuntu Static IP in /etc/network/interfaces

to set a static IP in ubuntu you have to edit the interfaces file

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
#iface eth0 inet dhcp  – This was the standard DHCP configuration
iface eth0 inet static   – set to static for a static IP
address 192.168.1.xxx   – set the IP you wish
netmask 255.255.255.0 – netmask
gateway 192.168.1.1 – IP of your gateway (Firewall..)
dns-nameservers 192.168.1.xxx 192.168.1.xxx – IP(s) of your nameserver(s) – space separated