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Network & IP

BBR, bandwidth and latency tests, binding additional IPs and IPv6 on JUSTG servers.

Network & IP

root@vps: ~ $ uname -r$ systemd-detect-virt$ sysctl net.ipv4.tcp_available_congestion_cont… Network & IP How to Enable TCP BBR on a Linux VPS (Debian, Ubuntu, CentOS, Rocky Linux) Enable TCP BBR congestion control on a Linux VPS with sysctl to raise TCP throughput on long-distance routes, then verify it with sysctl and lsmod. 12 min read 16199 Read tutorial

root@vps: ~ $ apt update && apt install -y iperf3$ dnf install -y iperf3$ ufw allow 5201/tcp Network & IP VPS Speed Test: How to Test Server Bandwidth and Latency with iperf3, Speedtest CLI and curl Test VPS bandwidth and latency with iperf3 (both directions), Speedtest CLI and curl, and read the results against a 500Mbps port. 13 min read 1 Read tutorial

root@vps: ~ $ ip -br a$ ip route show default$ ip addr add 203.0.113.11/24 dev eth0 Network & IP Linux Add Additional IP Address: Bind Extra IPv4 on Ubuntu, Debian, CentOS and Rocky Linux Add an additional IPv4 address on Linux: ip addr add for testing, persistent netplan, ifupdown and nmcli config, and binding a full /24. 15 min read 1 Read tutorial

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