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tcpx.sh
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#!/usr/bin/env bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
#=================================================
# System Required: CentOS 7/8,Debian/ubuntu,oraclelinux
# Description: BBR+BBRplus+Lotserver
# Version: 100.0.4.5
# Author: 千影,cx9208,YLX
# 更新内容及反馈: https://blog.ylx.me/archives/783.html
#=================================================
# RED='\033[0;31m'
# GREEN='\033[0;32m'
# YELLOW='\033[0;33m'
# SKYBLUE='\033[0;36m'
# PLAIN='\033[0m'
sh_ver="100.0.4.5"
github="raw.githubusercontent.com/ylx2016/Linux-NetSpeed/master"
imgurl=""
headurl=""
github_network=1
Green_font_prefix="\033[32m"
Red_font_prefix="\033[31m"
Font_color_suffix="\033[0m"
Info="${Green_font_prefix}[信息]${Font_color_suffix}"
Error="${Red_font_prefix}[错误]${Font_color_suffix}"
Tip="${Green_font_prefix}[注意]${Font_color_suffix}"
if [ -f "/etc/sysctl.d/bbr.conf" ]; then
rm -rf /etc/sysctl.d/bbr.conf
fi
# 检查当前用户是否为 root 用户
if [ "$EUID" -ne 0 ]; then
echo "请使用 root 用户身份运行此脚本"
exit
fi
#优化系统配置
optimizing_system_old() {
if [ ! -f "/etc/sysctl.d/99-sysctl.conf" ]; then
touch /etc/sysctl.d/99-sysctl.conf
fi
sed -i '/net.ipv4.tcp_retries2/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_slow_start_after_idle/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.conf
sed -i '/fs.file-max/d' /etc/sysctl.conf
sed -i '/fs.inotify.max_user_instances/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf
sed -i '/net.ipv4.route.gc_timeout/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_synack_retries/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_syn_retries/d' /etc/sysctl.conf
sed -i '/net.core.somaxconn/d' /etc/sysctl.conf
sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_timestamps/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_max_orphans/d' /etc/sysctl.conf
sed -i '/net.ipv4.ip_forward/d' /etc/sysctl.conf
echo "net.ipv4.tcp_retries2 = 8
net.ipv4.tcp_slow_start_after_idle = 0
fs.file-max = 1000000
fs.inotify.max_user_instances = 8192
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_tw_reuse = 1
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_max_syn_backlog = 16384
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.route.gc_timeout = 100
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_synack_retries = 1
net.core.somaxconn = 32768
net.core.netdev_max_backlog = 32768
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_max_orphans = 32768
# forward ipv4
#net.ipv4.ip_forward = 1" >>/etc/sysctl.d/99-sysctl.conf
sysctl -p
echo "* soft nofile 1000000
* hard nofile 1000000" >/etc/security/limits.conf
echo "ulimit -SHn 1000000" >>/etc/profile
read -p "需要重启VPS后，才能生效系统优化配置，是否现在重启 ? [Y/n] :" yn
[ -z "${yn}" ] && yn="y"
if [[ $yn == [Yy] ]]; then
echo -e "${Info} VPS 重启中..."
reboot
fi
}
optimizing_system_johnrosen1() {
if [ ! -f "/etc/sysctl.d/99-sysctl.conf" ]; then
touch /etc/sysctl.d/99-sysctl.conf
fi
sed -i '/net.ipv4.tcp_fack/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_early_retrans/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.neigh.default.unres_qlen/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_max_orphans/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.netfilter.nf_conntrack_buckets/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/kernel.pid_max/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/vm.nr_hugepages/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.optmem_max/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.route_localnet/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.ip_forward/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.forwarding/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.default.forwarding/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.all.forwarding/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.default.forwarding/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.lo.forwarding/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.all.disable_ipv6/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.default.disable_ipv6/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.lo.disable_ipv6/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.all.accept_ra/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.default.accept_ra/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.netdev_budget/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.netdev_budget_usecs/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/fs.file-max /d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.rmem_max/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.wmem_max/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.rmem_default/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.wmem_default/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.somaxconn/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.icmp_echo_ignore_all/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.icmp_echo_ignore_broadcasts/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.icmp_ignore_bogus_error_responses/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.accept_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.default.accept_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.secure_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.default.secure_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.send_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.default.send_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.default.rp_filter/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.rp_filter/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_keepalive_time/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_keepalive_intvl/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_keepalive_probes/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_synack_retries/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_rfc1337/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_timestamps/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.ip_local_port_range/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_rmem/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_wmem/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.udp_rmem_min/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.udp_wmem_min/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_mtu_probing/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.arp_ignore /d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.default.arp_ignore/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.all.arp_announce/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.conf.default.arp_announce/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_autocorking/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_slow_start_after_idle/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.core.default_qdisc/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_notsent_lowat/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_no_metrics_save/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_ecn/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_ecn_fallback/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_frto/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.all.accept_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.conf.default.accept_redirects/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/vm.swappiness/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.ip_unprivileged_port_start/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/vm.overcommit_memory/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.neigh.default.gc_thresh3/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.neigh.default.gc_thresh2/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.neigh.default.gc_thresh1/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.neigh.default.gc_thresh3/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.neigh.default.gc_thresh2/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv6.neigh.default.gc_thresh1/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.netfilter.nf_conntrack_max/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.nf_conntrack_max/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.netfilter.nf_conntrack_tcp_timeout_fin_wait/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.netfilter.nf_conntrack_tcp_timeout_time_wait/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.netfilter.nf_conntrack_tcp_timeout_close_wait/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.netfilter.nf_conntrack_tcp_timeout_established/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/fs.inotify.max_user_instances/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/fs.inotify.max_user_watches/d' /etc/sysctl.d/99-sysctl.conf
sed -i '/net.ipv4.tcp_low_latency/d' /etc/sysctl.d/99-sysctl.conf
cat >'/etc/sysctl.d/99-sysctl.conf' <<EOF
net.ipv4.tcp_fack = 1
net.ipv4.tcp_early_retrans = 3
net.ipv4.neigh.default.unres_qlen=10000
net.ipv4.conf.all.route_localnet=1
net.ipv4.ip_forward = 1
net.ipv4.conf.all.forwarding = 1
net.ipv4.conf.default.forwarding = 1
#net.ipv6.conf.all.forwarding = 1 #awsipv6问题
net.ipv6.conf.default.forwarding = 1
net.ipv6.conf.lo.forwarding = 1
net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.default.disable_ipv6 = 0
net.ipv6.conf.lo.disable_ipv6 = 0
net.ipv6.conf.all.accept_ra = 2
net.ipv6.conf.default.accept_ra = 2
net.core.netdev_max_backlog = 100000
net.core.netdev_budget = 50000
net.core.netdev_budget_usecs = 5000
#fs.file-max = 51200
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.core.rmem_default = 67108864
net.core.wmem_default = 67108864
net.core.optmem_max = 65536
net.core.somaxconn = 1000000
net.ipv4.icmp_echo_ignore_all = 0
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.default.secure_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.all.rp_filter = 0
net.ipv4.tcp_keepalive_time = 600
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.tcp_keepalive_probes = 2
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_rfc1337 = 0
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_tw_reuse = 0
net.ipv4.tcp_fin_timeout = 15
net.ipv4.ip_local_port_range = 1024 65535
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_fastopen = 3
net.ipv4.tcp_rmem = 4096 87380 67108864
net.ipv4.tcp_wmem = 4096 65536 67108864
net.ipv4.udp_rmem_min = 8192
net.ipv4.udp_wmem_min = 8192
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_autocorking = 0
net.ipv4.tcp_slow_start_after_idle = 0
net.ipv4.tcp_max_syn_backlog = 819200
net.ipv4.tcp_notsent_lowat = 16384
net.ipv4.tcp_no_metrics_save = 0
net.ipv4.tcp_ecn = 1
net.ipv4.tcp_ecn_fallback = 1
net.ipv4.tcp_frto = 0
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.default.accept_redirects = 0
net.ipv4.neigh.default.gc_thresh3=8192
net.ipv4.neigh.default.gc_thresh2=4096
net.ipv4.neigh.default.gc_thresh1=2048
net.ipv6.neigh.default.gc_thresh3=8192
net.ipv6.neigh.default.gc_thresh2=4096
net.ipv6.neigh.default.gc_thresh1=2048
net.ipv4.tcp_orphan_retries = 1
net.ipv4.tcp_retries2 = 5
vm.swappiness = 1
vm.overcommit_memory = 1
kernel.pid_max=64000
net.netfilter.nf_conntrack_max = 262144
net.nf_conntrack_max = 262144
## Enable bbr
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_low_latency = 1
EOF
sysctl -p
sysctl --system
echo always >/sys/kernel/mm/transparent_hugepage/enabled
cat >'/etc/systemd/system.conf' <<EOF
[Manager]
#DefaultTimeoutStartSec=90s
DefaultTimeoutStopSec=30s
#DefaultRestartSec=100ms
DefaultLimitCORE=infinity
DefaultLimitNOFILE=infinity
DefaultLimitNPROC=infinity
DefaultTasksMax=infinity
EOF
cat >'/etc/security/limits.conf' <<EOF
root soft nofile 1000000
root hard nofile 1000000
root soft nproc unlimited
root hard nproc unlimited
root soft core unlimited
root hard core unlimited
root hard memlock unlimited
root soft memlock unlimited
* soft nofile 1000000
* hard nofile 1000000
* soft nproc unlimited
* hard nproc unlimited
* soft core unlimited
* hard core unlimited
* hard memlock unlimited
* soft memlock unlimited
EOF
sed -i '/ulimit -SHn/d' /etc/profile
sed -i '/ulimit -SHu/d' /etc/profile
echo "ulimit -SHn 1000000" >>/etc/profile
if grep -q "pam_limits.so" /etc/pam.d/common-session; then
:
else
sed -i '/required pam_limits.so/d' /etc/pam.d/common-session
echo "session required pam_limits.so" >>/etc/pam.d/common-session
fi
systemctl daemon-reload
echo -e "${Info}优化方案2应用结束，可能需要重启！"
}
# 函数：生成并写入 Linux 内核网络优化配置
# 参数（可选，按顺序）：
# $1: 延迟 (ms，默认 100)
# $2: 本地带宽 (Mbps，默认 1000)
# $3: VPS 带宽 (Mbps，默认 1000)
# $4: VPS 内存 (MB，默认自动获取)
optimizing_system_radicalizate() {
# 设置默认值
local latency_default=100
local local_bw_default=1000
local vps_bw_default=1000
local vps_mem_default=$(awk '/MemTotal/ {print int($2/1024)}' /proc/meminfo)
# 提示用户输入参数
echo -e "请输入参数（用空格隔开）：延迟(ms) 本地带宽(Mbps) VPS带宽(Mbps) VPS内存(MB)"
echo -e "可以输入单个或多个参数，未提供的参数将使用默认值"
echo -e "示例1（完整参数）：180 500 500 1024"
echo -e "示例2（单个参数）：200 # 结果：延迟=200ms, 本地带宽=1000Mbps, VPS带宽=1000Mbps, 内存=自动获取"
echo -e "默认参数：延迟=$latency_default ms, 本地带宽=$local_bw_default Mbps, VPS带宽=$vps_bw_default Mbps, 内存=自动获取($vps_mem_default MB)"
echo -e "将在 12 秒后使用默认参数，请输入参数并按回车提交（留空使用默认值）："
# 设置 12 秒倒计时，静默等待输入
local input
if ! read -t 12 -r input; then
echo -e "\n未输入参数或超时，使用默认参数..."
local latency=$latency_default
local local_bw=$local_bw_default
local vps_bw=$vps_bw_default
local vps_mem=$vps_mem_default
else
# 分割用户输入
read -r latency local_bw vps_bw vps_mem <<<"$input"
# 使用默认值补齐未提供的参数
latency=${latency:-$latency_default}
local_bw=${local_bw:-$local_bw_default}
vps_bw=${vps_bw:-$vps_bw_default}
vps_mem=${vps_mem:-$vps_mem_default}
fi
# 显示最终提交的参数信息
echo -e "最终提交参数：延迟=$latency ms, 本地带宽=$local_bw Mbps, VPS带宽=$vps_bw Mbps, 内存=$vps_mem MB"
sleep 1 # 延迟 1 秒
# 检查输入参数是否有效
if ! [[ "$latency" =~ ^[0-9]+$ ]] || ! [[ "$local_bw" =~ ^[0-9]+$ ]] ||
! [[ "$vps_bw" =~ ^[0-9]+$ ]] || ! [[ "$vps_mem" =~ ^[0-9]+$ ]]; then
echo -e "Error: All parameters must be positive integers."
return 1
fi
# 检查是否有 root 权限
if [ "$EUID" -ne 0 ]; then
echo -e "Error: This script requires root privileges to write to /etc/sysctl.d/99-sysctl.conf."
return 1
fi
# 计算带宽延迟积 (BDP, 字节)：min(local_bw, vps_bw) * latency / 8
local min_bw=$((local_bw < vps_bw ? local_bw : vps_bw))
local bdp=$((min_bw * 1000000 * latency / 8 / 1000))
# 根据内存和 BDP 设置缓冲区大小 (上限不超过内存的 50%)，使用整数运算
local rmem_max=$((bdp * 2)) # 2 倍 BDP
local wmem_max=$((bdp * 3 / 2)) # 1.5 倍 BDP
local max_mem_bytes=$((vps_mem * 1024 * 1024 * 50 / 100))
[[ $rmem_max -gt $max_mem_bytes ]] && rmem_max=$max_mem_bytes
[[ $wmem_max -gt $max_mem_bytes ]] && wmem_max=$max_mem_bytes
[[ $rmem_max -lt 1048576 ]] && rmem_max=1048576 # 最小 1MB
[[ $wmem_max -lt 1048576 ]] && wmem_max=1048576 # 最小 1MB
# 根据带宽和内存设置队列长度
local netdev_max_backlog=$((min_bw * 10))
[[ $netdev_max_backlog -gt 10000 ]] && netdev_max_backlog=10000
[[ $netdev_max_backlog -lt 1000 ]] && netdev_max_backlog=1000
local somaxconn=$((vps_mem * 20))
[[ $somaxconn -gt 16384 ]] && somaxconn=16384
[[ $somaxconn -lt 512 ]] && somaxconn=512
local tcp_max_syn_backlog=$((somaxconn * 4))
[[ $tcp_max_syn_backlog -gt 65536 ]] && tcp_max_syn_backlog=65536
# 根据延迟设置初始拥塞窗口
local tcp_init_cwnd=$((latency / 20 + 10))
[[ $tcp_init_cwnd -gt 32 ]] && tcp_init_cwnd=32
[[ $tcp_init_cwnd -lt 10 ]] && tcp_init_cwnd=10
# 根据内存设置最小空闲内存 (约 10-15% 内存)
local min_free_kbytes=$((vps_mem * 1024 * 12 / 100))
[[ $min_free_kbytes -gt 524288 ]] && min_free_kbytes=524288 # 最大 512MB
[[ $min_free_kbytes -lt 65536 ]] && min_free_kbytes=65536 # 最小 64MB
# 目标配置文件
local config_file="/etc/sysctl.d/99-sysctl.conf"
local temp_file=$(mktemp)
# 定义所有参数和值（包含测试中发现的额外参数）
declare -A sysctl_params=(
["kernel.pid_max"]="65535"
["kernel.panic"]="1"
["kernel.sysrq"]="1"
["kernel.core_pattern"]="core_%e"
["kernel.printk"]="3 4 1 3"
["kernel.numa_balancing"]="0"
["kernel.sched_autogroup_enabled"]="0"
["vm.swappiness"]="5"
["vm.dirty_ratio"]="5"
["vm.dirty_background_ratio"]="2"
["vm.panic_on_oom"]="1"
["vm.overcommit_memory"]="1"
["vm.min_free_kbytes"]="$min_free_kbytes"
["net.core.netdev_max_backlog"]="$netdev_max_backlog"
["net.core.rmem_max"]="$rmem_max"
["net.core.wmem_max"]="$wmem_max"
["net.core.rmem_default"]="262144"
["net.core.wmem_default"]="262144"
["net.core.somaxconn"]="$somaxconn"
["net.core.optmem_max"]="262144"
["net.netfilter.nf_conntrack_max"]="262144"
["net.nf_conntrack_max"]="262144"
["net.ipv4.tcp_fastopen"]="3"
["net.ipv4.tcp_timestamps"]="1"
["net.ipv4.tcp_tw_reuse"]="1"
["net.ipv4.tcp_fin_timeout"]="10"
["net.ipv4.tcp_slow_start_after_idle"]="0"
["net.ipv4.tcp_max_tw_buckets"]="32768"
["net.ipv4.tcp_sack"]="1"
["net.ipv4.tcp_fack"]="1"
["net.ipv4.tcp_rmem"]="32768 262144 $rmem_max"
["net.ipv4.tcp_wmem"]="32768 262144 $wmem_max"
["net.ipv4.tcp_mtu_probing"]="1"
["net.ipv4.tcp_notsent_lowat"]="16384"
["net.ipv4.tcp_window_scaling"]="1"
["net.ipv4.tcp_adv_win_scale"]="2"
["net.ipv4.tcp_moderate_rcvbuf"]="1"
["net.ipv4.tcp_no_metrics_save"]="1"
["net.ipv4.tcp_init_cwnd"]="$tcp_init_cwnd"
["net.ipv4.tcp_max_syn_backlog"]="$tcp_max_syn_backlog"
["net.ipv4.tcp_max_orphans"]="32768"
["net.ipv4.tcp_synack_retries"]="2"
["net.ipv4.tcp_syn_retries"]="2"
["net.ipv4.tcp_abort_on_overflow"]="0"
["net.ipv4.tcp_stdurg"]="0"
["net.ipv4.tcp_rfc1337"]="0"
["net.ipv4.tcp_syncookies"]="1"
["net.ipv4.tcp_low_latency"]="1"
["net.ipv4.ip_local_port_range"]="1024 65535"
["net.ipv4.ip_no_pmtu_disc"]="0"
["net.ipv4.route.gc_timeout"]="100"
["net.ipv4.neigh.default.gc_stale_time"]="120"
["net.ipv4.neigh.default.gc_thresh3"]="4096"
["net.ipv4.neigh.default.gc_thresh2"]="2048"
["net.ipv4.neigh.default.gc_thresh1"]="512"
["net.ipv4.icmp_echo_ignore_broadcasts"]="1"
["net.ipv4.icmp_ignore_bogus_error_responses"]="1"
["net.ipv4.conf.all.rp_filter"]="1"
["net.ipv4.conf.default.rp_filter"]="1"
["net.ipv4.conf.all.arp_announce"]="2"
["net.ipv4.conf.default.arp_announce"]="2"
["net.ipv4.conf.all.arp_ignore"]="1"
["net.ipv4.conf.default.arp_ignore"]="1"
)
# 添加文件头部注释
echo "# Generated sysctl configuration" >"$temp_file"
echo "# Latency: $latency ms" >>"$temp_file"
echo "# Local Bandwidth: $local_bw Mbps" >>"$temp_file"
echo "# VPS Bandwidth: $vps_bw Mbps" >>"$temp_file"
echo "# VPS Memory: $vps_mem MB" >>"$temp_file"
echo "" >>"$temp_file"
# 如果配置文件不存在，直接写入所有参数
if [ ! -f "$config_file" ]; then
for key in "${!sysctl_params[@]}"; do
echo "$key=${sysctl_params[$key]}" >>"$temp_file"
done
else
# 读取现有配置文件内容，去除多余空格
cp "$config_file" "$temp_file.bak"
while IFS='=' read -r key value; do
key=$(echo "$key" | xargs) # 去除首尾空格
value=$(echo "$value" | xargs) # 去除值中的多余空格
if [ -n "$key" ] && [[ ! "$key" =~ ^# ]]; then
if [[ -n "${sysctl_params[$key]}" ]]; then
echo "$key=${sysctl_params[$key]}" >>"$temp_file.new"
unset sysctl_params["$key"]
else
echo "$key=$value" >>"$temp_file.new"
fi
fi
done <"$config_file"
# 将新参数追加到临时文件
for key in "${!sysctl_params[@]}"; do
echo "$key=${sysctl_params[$key]}" >>"$temp_file.new"
done
# 合并并替换临时文件
cat "$temp_file" >"$temp_file.final"
cat "$temp_file.new" >>"$temp_file.final"
mv "$temp_file.final" "$temp_file"
rm -f "$temp_file.new" "$temp_file.bak"
fi
# 写入目标文件并应用配置
mv "$temp_file" "$config_file"
chmod 644 "$config_file"
sysctl -p "$config_file" >/dev/null 2>&1
sysctl --system >/dev/null 2>&1
echo -e "${Info}激进方案应用完毕，有些设置可能需要重启生效！"
}
#处理传进来的参数 直接优化
err() {
echo "错误: $1"
exit 1
}
while [ $# -gt 0 ]; do
case $1 in
op)
optimizing_system_old # 调用函数
exit
;;
op2)
optimizing_system_johnrosen1 # 调用函数
exit
;;
op3)
optimizing_system_radicalizate # 调用函数
exit
;;
*)
err "未知选项: \"$1\""
;;
esac
shift # 移动到下一个参数
done
# 检查github网络
check_github() {
# 检测域名的可访问性函数
check_domain() {
local domain="$1"
if ! curl --max-time 5 --head --silent --fail "$domain" >/dev/null; then
echo -e "${Error}无法访问 $domain，请检查网络或者本地DNS 或者访问频率过快而受限"
github_network=0
fi
}
# 检测所有域名的可访问性
check_domain "https://raw.githubusercontent.com"
check_domain "https://api.github.com"
check_domain "https://github.com"
if [ "$github_network" -eq 0 ]; then
echo -e "${Error}github网络访问受限，将影响内核的安装以及脚本的检查更新，1秒后继续运行脚本"
sleep 1
else
# 所有域名均可访问，打印成功提示
echo -e "${Green_font_prefix}github可访问${Font_color_suffix}，继续执行脚本..."
fi
}
#检查连接
checkurl() {
local url="$1"
local maxRetries=3
local retryDelay=2
if [[ -z "$url" ]]; then
echo "错误：缺少URL参数！"
exit 1
fi
local retries=0
local responseCode=""
while [[ -z "$responseCode" && $retries -lt $maxRetries ]]; do
responseCode=$(curl --max-time 6 -s -L -m 10 --connect-timeout 5 -o /dev/null -w "%{http_code}" "$url")
if [[ -z "$responseCode" ]]; then
((retries++))
sleep $retryDelay
fi
done
if [[ -n "$responseCode" && ("$responseCode" == "200" || "$responseCode" =~ ^3[0-9]{2}$) ]]; then
echo "下载地址检查OK，继续！"
else
echo "下载地址检查出错，退出！"
exit 1
fi
}
#cn处理github加速
check_cn() {
# 检查是否安装了jq命令，如果没有安装则进行安装
if ! command -v jq >/dev/null 2>&1; then
if command -v yum >/dev/null 2>&1; then
sudo yum install epel-release -y
sudo yum install -y jq
elif command -v apt-get >/dev/null 2>&1; then
sudo apt-get update
sudo apt-get install -y jq
else
echo "无法安装jq命令。请手动安装jq后再试。"
exit 1
fi
fi
# 获取当前IP地址，设置超时为3秒
current_ip=$(curl -s --max-time 3 https://api.ipify.org)
# 使用ip-api.com查询IP所在国家，设置超时为3秒
response=$(curl -s --max-time 3 "http://ip-api.com/json/$current_ip")
# 检查国家是否为中国
country=$(echo "$response" | jq -r '.countryCode')
if [[ "$country" == "CN" ]]; then
local suffixes=(
"https://gh.con.sh/"
"https://gh-proxy.com/"
"https://ghp.ci/"
"https://gh.m-l.cc/"
"https://down.npee.cn/?"
"https://mirror.ghproxy.com/"
"https://ghps.cc/"
"https://gh.api.99988866.xyz/"
"https://git.886.be/"
"https://hub.gitmirror.com/"
"https://pd.zwc365.com/"
"https://gh.ddlc.top/"
"https://slink.ltd/"
"https://github.moeyy.xyz/"
"https://ghproxy.crazypeace.workers.dev/"
"https://gh.h233.eu.org/"
)
# 循环遍历每个后缀并测试组合的链接
for suffix in "${suffixes[@]}"; do
# 组合后缀和原始链接
combined_url="$suffix$1"
# 使用 curl -I 获取头部信息，提取状态码
local response_code=$(curl --max-time 2 -sL -w "%{http_code}" -I "$combined_url" | head -n 1 | awk '{print $2}')
# 检查响应码是否表示成功 (2xx)
if [[ $response_code -ge 200 && $response_code -lt 300 ]]; then
echo "$combined_url"
return 0 # 返回可用链接，结束函数
fi
done
# 如果没有找到有效链接，返回原始链接
else
echo "$1"
return 1
fi
}
#下载
download_file() {
url="$1"
filename="$2"
wget "$url" -O "$filename"
status=$?
if [ $status -eq 0 ]; then
echo -e "\e[32m文件下载成功或已经是最新。\e[0m"
else
echo -e "\e[31m文件下载失败，退出状态码: $status\e[0m"
exit 1
fi
}
#檢查賦值
check_empty() {
local var_value=$1
if [[ -z $var_value ]]; then
echo "$var_value 是空值，退出！"
exit 1
fi
}
#检查磁盘空间
check_disk_space() {
# 检查是否存在 bc 命令
if ! command -v bc &>/dev/null; then
echo "安装 bc 命令..."
# 检查系统类型并安装相应的 bc 包
if [ -f /etc/redhat-release ]; then
yum install -y bc
elif [ -f /etc/debian_version ]; then
apt-get update
apt-get install -y bc
else
echo "无法确定系统类型，请手动安装 bc 命令。"
return 1
fi
fi
# 获取当前磁盘剩余空间
available_space=$(df -h / | awk 'NR==2 {print $4}')
# 移除单位字符，例如"GB"，并将剩余空间转换为数字
available_space=$(echo $available_space | sed 's/G//')
# 如果剩余空间小于等于0，则输出警告信息
if [ $(echo "$available_space <= 0" | bc) -eq 1 ]; then
echo "警告：磁盘空间已用尽，请勿重启，先清理空间。建议先卸载刚才安装的内核来释放空间，仅供参考。"
else
echo "当前磁盘剩余空间：$available_space GB"
fi
}
#安装BBR内核
installbbr() {
kernel_version="5.9.6"
bit=$(uname -m)
rm -rf bbr
mkdir bbr && cd bbr || exit
if [[ "${OS_type}" == "CentOS" ]]; then
if [[ ${version} == "7" ]]; then
if [[ ${bit} == "x86_64" ]]; then
echo -e "如果下载地址出错，可能当前正在更新，超过半天还是出错请反馈，大陆自行解决污染问题"
#github_ver=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | head -n 1 | awk -F '"' '{print $4}' | awk -F '[/]' '{print $8}' | awk -F '[_]' '{print $3}')
#github_tag=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep 'Centos_Kernel' | grep '_latest_bbr_' | head -n 1 | awk -F '"' '{print $4}' | awk -F '[/]' '{print $8}')
#github_ver=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'rpm' | grep 'headers' | awk -F '"' '{print $4}' | awk -F '[/]' '{print $9}' | awk -F '[-]' '{print $3}')
#check_empty $github_ver
#echo -e "获取的版本号为:${Green_font_prefix}${github_ver}${Font_color_suffix}"
#kernel_version=$github_ver
#detele_kernel_head
#headurl=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'rpm' | grep 'headers' | awk -F '"' '{print $4}')
#imgurl=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'rpm' | grep -v 'headers' | grep -v 'devel' | awk -F '"' '{print $4}')
#headurl=https://github.com/ylx2016/kernel/releases/download/$github_tag/kernel-headers-${github_ver}-1.x86_64.rpm
#imgurl=https://github.com/ylx2016/kernel/releases/download/$github_tag/kernel-${github_ver}-1.x86_64.rpm
headurl=https://github.com/ylx2016/kernel/releases/download/Centos_Kernel_6.1.35_latest_bbr_2023.06.22-0855/kernel-headers-6.1.35-1.x86_64.rpm
imgurl=https://github.com/ylx2016/kernel/releases/download/Centos_Kernel_6.1.35_latest_bbr_2023.06.22-0855/kernel-6.1.35-1.x86_64.rpm
check_empty $imgurl
headurl=$(check_cn $headurl)
imgurl=$(check_cn $imgurl)
download_file $headurl kernel-headers-c7.rpm
download_file $imgurl kernel-c7.rpm
yum install -y kernel-c7.rpm
yum install -y kernel-headers-c7.rpm
else
echo -e "${Error} 不支持x86_64以外的系统 !" && exit 1
fi
fi
elif [[ "${OS_type}" == "Debian" ]]; then
if [[ ${bit} == "x86_64" ]]; then
echo -e "如果下载地址出错，可能当前正在更新，超过半天还是出错请反馈，大陆自行解决污染问题"
github_tag=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep 'Debian_Kernel' | grep '_latest_bbr_' | head -n 1 | awk -F '"' '{print $4}' | awk -F '[/]' '{print $8}')
github_ver=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'deb' | grep 'headers' | awk -F '"' '{print $4}' | awk -F '[/]' '{print $9}' | awk -F '[-]' '{print $3}' | awk -F '[_]' '{print $1}')
check_empty $github_ver
echo -e "获取的版本号为:${Green_font_prefix}${github_ver}${Font_color_suffix}"
kernel_version=$github_ver
detele_kernel_head
headurl=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'deb' | grep 'headers' | awk -F '"' '{print $4}')
imgurl=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'deb' | grep -v 'headers' | grep -v 'devel' | awk -F '"' '{print $4}')
#headurl=https://github.com/ylx2016/kernel/releases/download/$github_tag/linux-headers-${github_ver}_${github_ver}-1_amd64.deb
#imgurl=https://github.com/ylx2016/kernel/releases/download/$github_tag/linux-image-${github_ver}_${github_ver}-1_amd64.deb
headurl=$(check_cn $headurl)
imgurl=$(check_cn $imgurl)
download_file $headurl linux-headers-d10.deb
download_file $imgurl linux-image-d10.deb
dpkg -i linux-image-d10.deb
dpkg -i linux-headers-d10.deb
elif [[ ${bit} == "aarch64" ]]; then
echo -e "如果下载地址出错，可能当前正在更新，超过半天还是出错请反馈，大陆自行解决污染问题"
github_tag=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep 'Debian_Kernel' | grep '_arm64_' | grep '_bbr_' | head -n 1 | awk -F '"' '{print $4}' | awk -F '[/]' '{print $8}')
github_ver=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'deb' | grep 'headers' | awk -F '"' '{print $4}' | awk -F '[/]' '{print $9}' | awk -F '[-]' '{print $3}' | awk -F '[_]' '{print $1}')
echo -e "获取的版本号为:${Green_font_prefix}${github_ver}${Font_color_suffix}"
kernel_version=$github_ver
detele_kernel_head
headurl=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'deb' | grep 'headers' | awk -F '"' '{print $4}')
imgurl=$(curl -s 'https://api.github.com/repos/ylx2016/kernel/releases' | grep ${github_tag} | grep 'deb' | grep -v 'headers' | grep -v 'devel' | awk -F '"' '{print $4}')
#headurl=https://github.com/ylx2016/kernel/releases/download/$github_tag/linux-headers-${github_ver}_${github_ver}-1_amd64.deb
#imgurl=https://github.com/ylx2016/kernel/releases/download/$github_tag/linux-image-${github_ver}_${github_ver}-1_amd64.deb
check_empty $imgurl
headurl=$(check_cn $headurl)
imgurl=$(check_cn $imgurl)
download_file $headurl linux-headers-d10.deb
download_file $imgurl linux-image-d10.deb
dpkg -i linux-image-d10.deb
dpkg -i linux-headers-d10.deb
else
echo -e "${Error} 不支持x86_64及arm64/aarch64以外的系统 !" && exit 1
fi
fi
cd .. && rm -rf bbr
BBR_grub
echo -e "${Tip} 内核安装完毕，请参考上面的信息检查是否安装成功,默认从排第一的高版本内核启动"
check_kernel
}
#安装BBRplus内核 4.14.129
installbbrplus() {
kernel_version="4.14.160-bbrplus"
bit=$(uname -m)
rm -rf bbrplus
mkdir bbrplus && cd bbrplus || exit
if [[ "${OS_type}" == "CentOS" ]]; then
if [[ ${version} == "7" ]]; then
if [[ ${bit} == "x86_64" ]]; then
kernel_version="4.14.129_bbrplus"
detele_kernel_head
headurl=https://github.com/cx9208/Linux-NetSpeed/raw/master/bbrplus/centos/7/kernel-headers-4.14.129-bbrplus.rpm
imgurl=https://github.com/cx9208/Linux-NetSpeed/raw/master/bbrplus/centos/7/kernel-4.14.129-bbrplus.rpm
headurl=$(check_cn $headurl)
imgurl=$(check_cn $imgurl)
download_file $headurl kernel-headers-c7.rpm
download_file $imgurl kernel-c7.rpm
yum install -y kernel-c7.rpm
yum install -y kernel-headers-c7.rpm
else
echo -e "${Error} 不支持x86_64以外的系统 !" && exit 1
fi
fi
elif [[ "${OS_type}" == "Debian" ]]; then
if [[ ${bit} == "x86_64" ]]; then
kernel_version="4.14.129-bbrplus"
detele_kernel_head
headurl=https://github.com/cx9208/Linux-NetSpeed/raw/master/bbrplus/debian-ubuntu/x64/linux-headers-4.14.129-bbrplus.deb
imgurl=https://github.com/cx9208/Linux-NetSpeed/raw/master/bbrplus/debian-ubuntu/x64/linux-image-4.14.129-bbrplus.deb
headurl=$(check_cn $headurl)
imgurl=$(check_cn $imgurl)
wget -O linux-headers.deb $headurl
wget -O linux-image.deb $imgurl
dpkg -i linux-image.deb
dpkg -i linux-headers.deb
else
echo -e "${Error} 不支持x86_64以外的系统 !" && exit 1
fi
fi
cd .. && rm -rf bbrplus
BBR_grub
echo -e "${Tip} 内核安装完毕，请参考上面的信息检查是否安装成功,默认从排第一的高版本内核启动"
check_kernel
}
#安装Lotserver内核
installlot() {
bit=$(uname -m)
if [[ ${bit} != "x86_64" ]]; then
echo -e "${Error} 不支持x86_64以外的系统 !" && exit 1
fi
if [[ ${bit} == "x86_64" ]]; then
bit='x64'
fi
if [[ ${bit} == "i386" ]]; then
bit='x32'
fi
if [[ "${OS_type}" == "CentOS" ]]; then
rpm --import http://${github}/lotserver/${release}/RPM-GPG-KEY-elrepo.org
yum remove -y kernel-firmware
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-firmware-${kernel_version}.rpm
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-${kernel_version}.rpm
yum remove -y kernel-headers
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-headers-${kernel_version}.rpm
yum install -y http://${github}/lotserver/${release}/${version}/${bit}/kernel-devel-${kernel_version}.rpm
fi
if [[ "${OS_type}" == "Debian" ]]; then
deb_issue="$(cat /etc/issue)"
deb_relese="$(echo $deb_issue | grep -io 'Ubuntu\|Debian' | sed -r 's/(.*)/\L\1/')"
os_ver="$(dpkg --print-architecture)"
[ -n "$os_ver" ] || exit 1
if [ "$deb_relese" == 'ubuntu' ]; then
deb_ver="$(echo $deb_issue | grep -o '[0-9]*\.[0-9]*' | head -n1)"
if [ "$deb_ver" == "14.04" ]; then
kernel_version="3.16.0-77-generic" && item="3.16.0-77-generic" && ver='trusty'
elif [ "$deb_ver" == "16.04" ]; then
kernel_version="4.8.0-36-generic" && item="4.8.0-36-generic" && ver='xenial'
elif [ "$deb_ver" == "18.04" ]; then
kernel_version="4.15.0-30-generic" && item="4.15.0-30-generic" && ver='bionic'
else
exit 1
fi
url='archive.ubuntu.com'
urls='security.ubuntu.com'
elif [ "$deb_relese" == 'debian' ]; then
deb_ver="$(echo $deb_issue | grep -o '[0-9]*' | head -n1)"
if [ "$deb_ver" == "7" ]; then
kernel_version="3.2.0-4-${os_ver}" && item="3.2.0-4-${os_ver}" && ver='wheezy' && url='archive.debian.org' && urls='archive.debian.org'
elif [ "$deb_ver" == "8" ]; then
kernel_version="3.16.0-4-${os_ver}" && item="3.16.0-4-${os_ver}" && ver='jessie' && url='archive.debian.org' && urls='archive.debian.org'
elif [ "$deb_ver" == "9" ]; then
kernel_version="4.9.0-4-${os_ver}" && item="4.9.0-4-${os_ver}" && ver='stretch' && url='archive.debian.org' && urls='archive.debian.org'
else
exit 1
fi
fi
[ -n "$item" ] && [ -n "$urls" ] && [ -n "$url" ] && [ -n "$ver" ] || exit 1
if [ "$deb_relese" == 'ubuntu' ]; then
echo "deb http://${url}/${deb_relese} ${ver} main restricted universe multiverse" >/etc/apt/sources.list
echo "deb http://${url}/${deb_relese} ${ver}-updates main restricted universe multiverse" >>/etc/apt/sources.list
echo "deb http://${url}/${deb_relese} ${ver}-backports main restricted universe multiverse" >>/etc/apt/sources.list
echo "deb http://${urls}/${deb_relese} ${ver}-security main restricted universe multiverse" >>/etc/apt/sources.list
apt-get update || apt-get --allow-releaseinfo-change update
apt-get install --no-install-recommends -y linux-image-${item}
elif [ "$deb_relese" == 'debian' ]; then
echo "deb http://${url}/${deb_relese} ${ver} main" >/etc/apt/sources.list
echo "deb-src http://${url}/${deb_relese} ${ver} main" >>/etc/apt/sources.list
echo "deb http://${urls}/${deb_relese}-security ${ver}/updates main" >>/etc/apt/sources.list
echo "deb-src http://${urls}/${deb_relese}-security ${ver}/updates main" >>/etc/apt/sources.list
if [ "$deb_ver" == "8" ]; then
dpkg -l | grep -q 'linux-base' || {
wget --no-check-certificate -qO '/tmp/linux-base_3.5_all.deb' 'http://snapshot.debian.org/archive/debian/20120304T220938Z/pool/main/l/linux-base/linux-base_3.5_all.deb'
dpkg -i '/tmp/linux-base_3.5_all.deb'
}
wget --no-check-certificate -qO '/tmp/linux-image-3.16.0-4-amd64_3.16.43-2+deb8u5_amd64.deb' 'http://snapshot.debian.org/archive/debian/20171008T163152Z/pool/main/l/linux/linux-image-3.16.0-4-amd64_3.16.43-2+deb8u5_amd64.deb'
dpkg -i '/tmp/linux-image-3.16.0-4-amd64_3.16.43-2+deb8u5_amd64.deb'
if [ $? -ne 0 ]; then
exit 1
fi
elif [ "$deb_ver" == "9" ]; then
dpkg -l | grep -q 'linux-base' || {
wget --no-check-certificate -qO '/tmp/linux-base_4.5_all.deb' 'http://snapshot.debian.org/archive/debian/20160917T042239Z/pool/main/l/linux-base/linux-base_4.5_all.deb'
dpkg -i '/tmp/linux-base_4.5_all.deb'
}
wget --no-check-certificate -qO '/tmp/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb' 'http://snapshot.debian.org/archive/debian/20171224T175424Z/pool/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb'
dpkg -i '/tmp/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb'
##备选
#https://sys.if.ci/download/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb
#http://mirror.cs.uchicago.edu/debian-security/pool/updates/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb
#https://debian.sipwise.com/debian-security/pool/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb
#http://srv24.dsidata.sk/security.debian.org/pool/updates/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb
#https://pubmirror.plutex.de/debian-security/pool/updates/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb
#https://packages.mendix.com/debian/pool/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3_amd64.deb
#http://snapshot.debian.org/archive/debian/20171224T175424Z/pool/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3+deb9u1_amd64.deb
#http://snapshot.debian.org/archive/debian/20171231T180144Z/pool/main/l/linux/linux-image-4.9.0-4-amd64_4.9.65-3_amd64.deb
if [ $? -ne 0 ]; then
exit 1
fi
else
exit 1
fi
fi
apt-get autoremove -y
[ -d '/var/lib/apt/lists' ] && find /var/lib/apt/lists -type f -delete
fi
BBR_grub
echo -e "${Tip} 内核安装完毕，请参考上面的信息检查是否安装成功,默认从排第一的高版本内核启动"
check_kernel
}
#安装xanmod内核 from xanmod.org
installxanmod() {
echo -e "xanmod这个自编译版本不维护了，后续请用官方编译版本，知悉."
#https://api.github.com/repos/ylx2016/kernel/releases?page=1&per_page=100
#releases?page=1&per_page=100
kernel_version="5.5.1-xanmod1"
bit=$(uname -m)