1. 변경할 인터페이스
2. 그것의 gateway와 metric값 취득
3. 변경.(nmcli변경후 재부팅 또는 ip명령으로 기존값 제거)
nmcli con mod <con> ipv4.route-metric <new value>
ip route del default via <gateway ip> metric <old value>
ip route del default via 192.168.222.1 metric 100
Docker ubuntu 20.04 install gcc-10.3.0
apt-get install -y build-essential install libgmp-dev libmpfr-dev libmpc-dev \
gcc-multilib libc6-dev-i386
wget https://ftp.gnu.org/gnu/gcc/gcc-10.3.0/gcc-10.3.0.tar.gz
tar xfz gcc-10.3.0.tar.gz
cd gcc-10.3.0
mkdir build
../configure --prefix=/usr/local –enable-multilib
make -j32
make install
echo "192.168.10.19 happycpu-P620.local" | sudo tee -a /etc/hosts