ip network name spaces

ipnetns.sh

#!/bin/bash

sudo ip netns add tgspace
sudo ip netns exec tgspace ip link set lo up
sudo ip link add veth0 type veth peer name veth1
sudo ip link set veth1 netns tgspace
sudo ip addr add 192.168.123.1/24 dev veth0
sudo ip link set veth0 up
sudo ip netns exec tgspace ip addr add 192.168.123.2/24 dev veth1
sudo ip netns exec tgspace ip link set veth1 up
sudo ip netns exec tgspace ip route add default via 192.168.123.1
#sysctl net.ipv4.ip_forward
sudo iptables -t nat -A POSTROUTING -s 192.168.123.0/24 -o enp3s0 -j MASQUERADE
#sudo mkdir -p /etc/netns/tgspace
#echo "nameserver 8.8.8.8" | sudo tee /etc/netns/tgspace/resolv.conf
#echo "127.0.0.1	myhostname" | sudo tee /etc/netns/tgspace/hosts
#sudo ip netns exec tgspace openvpn --data-ciphers AES-128-CBC --config ~/vpngate/w/japan-tokio-003.ovpn
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#sudo ip netns exec tgspace sudo -u seva  ~/Telegram/Telegram 
#sudo ip netns exec tgspace sudo -u seva bash -c "XDG_RUNTIME_DIR=/run/user/1000  ~/Telegram/Telegram"
#