How to disable IPv6 in Ubuntu To disable ipv6, you have to open /etc/sysctl.conf using any text editor and insert the following lines at the end: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 If ipv6 is still not disabled, then the problem is that sysctl.conf is still not activated. To solve this, open a terminal(Ctrl+Alt+T) and type … Read more
sudo privileges to an existing user in ubuntu If you have already created the user, you can add the user to the sudo group by running the following command in a Terminal: sudo usermod -a -G sudo username
UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY means there is some file system error in the disk. Try this: fsck /dev/sda1 (where /dev/sda1 is the partition mentioned) And enter Yes(y) to all errors Then reboot and it should be fine.
kill is a shell builtin in most Bourne-derived shells such as Bash and Zsh. The command behavior is slightly different between the shells and the standalone /bin/kill executable. Use the type command to display all locations on your system containing kill: type -a kill