Fedora: System & Network¶
Disable IPv6¶
sudo su -
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
Delete old kernels¶
Check installed kernels¶
rpm -q kernel
Delete old kernels (count = number of kernel wanted to left)¶
dnf install yum-utils
package-cleanup --oldkernels --count=2
Make these changes permanent¶
Edit /etc/yum.conf or /etc/dnf/dnf.conf and set installonly_limit:
installonly_limit=2