Ubuntu 23.04 IPv6を無効にする方法
環境
Ubuntu 23.04
操作方法
1.設定内容を/etc/sysctl.confに保存します
# echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
2.設定内容を反映します
# sysctl -p net.ipv6.conf.all.disable_ipv6 = 1
3.IP確認
# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 1000 link/ether 00:0c:29:8b:a6:ea brd ff:ff:ff:ff:ff:ff altname enp2s1 inet 192.168.44.130/24 brd 192.168.44.255 scope global dynamic noprefixroute ens33 valid_lft 1305sec preferred_lft 1305sec