How to Upgrade Centos 8 Linux to Centos 8 Stream

Ftr20

# cat /etc/centos-release CentOS Linux release 8.5.2111 1. Take note the list of enabled repos in the Centos 8 Linux server. sudo yum repolist sudo yum repolist enabled > /tmp/pre.update.dnf.repo.txt 2. Installing CentOS Stream packages using the following commands: sudo…

How to Disable IPv6 on Linux Operating System

Ftr20

1. Open a terminal window. 2. Change to the root user. 3. Type these commands: sysctl -w net.ipv6.conf.all.disable_ipv6=1 sysctl -w net.ipv6.conf.default.disable_ipv6=1 sysctl -w net.ipv6.conf.tun0.disable_ipv6=1 To re-enable IPv6, type these commands: sysctl -w net.ipv6.conf.all.disable_ipv6=0 sysctl -w net.ipv6.conf.default.disable_ipv6=0 sysctl -w net.ipv6.conf.tun0.disable_ipv6=0 sysctl…