تغییر اتمیک nftables؛ برگشت زمان‌دار رو قبل از قطع دسترسی تمرین کن

ترمینال ماشین مجازی آزمایشی قابل‌حذف

sudo systemctl stop 'academy-nft-rollback.timer' 'academy-nft-rollback.service' || exit 1
sudo systemctl stop 'academy-nft-rollback-rehearsal.timer' 'academy-nft-rollback-rehearsal.service' || exit 1
systemctl show 'academy-nft-rollback.timer' 'academy-nft-rollback.service' -p Id -p ActiveState -p SubState
server_pids=$(sudo ip netns pids 'academy-nft-server') || exit 1
client_pids=$(sudo ip netns pids 'academy-nft-client') || exit 1
printf 'server namespace PIDs: %s\nclient namespace PIDs: %s\n' "$server_pids" "$client_pids"
test -z "$server_pids" || exit 1
test -z "$client_pids" || exit 1
sudo ip netns del 'academy-nft-server' || exit 1
sudo ip netns del 'academy-nft-client' || exit 1
sudo ip netns list