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21 lines
589 B
21 lines
589 B
6 years ago
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_open_bbr() {
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sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
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sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf
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echo "net.ipv4.tcp_congestion_control = bbr" >>/etc/sysctl.conf
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echo "net.core.default_qdisc = fq" >>/etc/sysctl.conf
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sysctl -p >/dev/null 2>&1
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echo
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_green "..由于你的 VPS 内核支持开启 BBR ...已经为你启用 BBR 优化...."
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echo
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}
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_try_enable_bbr() {
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local _test1=$(uname -r | cut -d\. -f1)
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local _test2=$(uname -r | cut -d\. -f2)
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if [[ $_test1 -eq 4 && $_test2 -ge 9 ]] || [[ $_test1 -ge 5 ]]; then
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_open_bbr
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enable_bbr=true
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fi
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}
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