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@init
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#!/bin/bash
cat << EOF >/etc/apt/apt.conf.d/01InstallLess
APT::Get::Assume-Yes "true";
APT::Install-Recommends "false";
APT::Install-Suggests "false";
EOF
cat << EOF >/etc/apt/apt.conf.d/71debconf
Dpkg::Options {
"--force-confdef";
"--force-confold";
};
EOF
sed -i '/ulimit -SHn/d' /etc/profile
sed -i '/ulimit -c/d' /etc/profile
sed -i '/ulimit -d/d' /etc/profile
sed -i '/ulimit -f/d' /etc/profile
sed -i '/ulimit -m/d' /etc/profile
sed -i '/ulimit -s/d' /etc/profile
sed -i '/ulimit -t/d' /etc/profile
sed -i '/ulimit -u/d' /etc/profile
sed -i '/ulimit -v/d' /etc/profile
sed -i '/HISTCONTROL=/d' /etc/profile
sed -i '/alias reboot=/d' /etc/profile
cat << EOF >>/etc/profile
ulimit -SHn 1000000
ulimit -t 65536
ulimit -u 65536
ulimit -c 65536
ulimit -d unlimited
ulimit -f unlimited
ulimit -s unlimited
ulimit -v unlimited
HISTCONTROL=ignoredups
alias reboot="sudo systemctl reboot"
EOF
source /etc/profile
sed -i '/pam_limits.so/d' /etc/pam.d/common-session
echo "session required pam_limits.so" >>/etc/pam.d/common-session
cat << EOF >/etc/security/limits.conf
root soft nofile 1000000
root hard nofile 1000000
root soft nproc 1000000
root hard nproc 1000000
root soft core 1000000
root hard core 1000000
root hard memlock unlimited
root soft memlock unlimited
www-data soft nofile 1000000
www-data hard nofile 1000000
www-data soft nproc 1000000
www-data hard nproc 1000000
www-data soft core 1000000
www-data hard core 1000000
www-data hard memlock unlimited
www-data soft memlock unlimited
* soft nofile 1000000
* hard nofile 1000000
* soft nproc 1000000
* hard nproc 1000000
* soft core 1000000
* hard core 1000000
* hard memlock unlimited
* soft memlock unlimited
EOF
sed -i '/DefaultLimitCORE/d' /etc/systemd/system.conf
sed -i '/DefaultLimitNOFILE/d' /etc/systemd/system.conf
sed -i '/DefaultLimitNPROC/d' /etc/systemd/system.conf
cat << EOF >>/etc/systemd/system.conf
DefaultLimitCORE=1000000
DefaultLimitNOFILE=1000000
DefaultLimitNPROC=1000000
EOF
systemctl daemon-reload
sed -i '/nf_conntrack/d' /etc/modules-load.d/modules.conf
sed -i '/ifb/d' /etc/modules-load.d/modules.conf
cat << EOF >>/etc/modules-load.d/modules.conf
nf_conntrack
ifb
sch_cake
EOF
modprobe nf_conntrack
modprobe ifb
modprobe sch_cake
if [[ -n $(swapon --show) ]]; then
sed -i '/.* swap .*/d' /etc/fstab
swapoff -a >/dev/null 2>&1
rm -rf /swap >/dev/null 2>&1
systemctl mask swap.target >/dev/null 2>&1
systemctl daemon-reload >/dev/null 2>&1
fi
cat << EOF >/etc/sysctl.conf
vm.overcommit_memory = 1
vm.swappiness = 0
vm.dirty_ratio = 20
vm.dirty_background_ratio = 5
fs.file-max = 1000000
fs.inotify.max_user_instances = 819200
fs.inotify.max_queued_events = 32000
fs.inotify.max_user_watches = 64000
net.unix.max_dgram_qlen = 10240
net.netfilter.nf_conntrack_acct = 0
net.netfilter.nf_conntrack_checksum = 0
net.netfilter.nf_conntrack_events = 1
net.netfilter.nf_conntrack_timestamp = 0
net.netfilter.nf_conntrack_max = 1048576
net.netfilter.nf_conntrack_buckets = 65536
net.netfilter.nf_conntrack_tcp_loose = 1
net.netfilter.nf_conntrack_tcp_be_liberal = 1
net.netfilter.nf_conntrack_tcp_max_retrans = 3
net.netfilter.nf_conntrack_generic_timeout = 60
net.netfilter.nf_conntrack_tcp_timeout_unacknowledged = 30
net.netfilter.nf_conntrack_tcp_timeout_fin_wait = 30
net.netfilter.nf_conntrack_tcp_timeout_time_wait = 30
net.netfilter.nf_conntrack_tcp_timeout_close_wait = 15
net.netfilter.nf_conntrack_tcp_timeout_close = 5
net.netfilter.nf_conntrack_tcp_timeout_last_ack = 30
net.netfilter.nf_conntrack_tcp_timeout_syn_recv = 30
net.netfilter.nf_conntrack_tcp_timeout_syn_sent = 30
net.netfilter.nf_conntrack_tcp_timeout_established = 3600
net.netfilter.nf_conntrack_sctp_timeout_established = 3600
net.netfilter.nf_conntrack_udp_timeout = 15
net.netfilter.nf_conntrack_udp_timeout_stream = 45
net.core.somaxconn = 65536
net.core.netdev_max_backlog = 262144
net.core.optmem_max = 8388608
net.core.rmem_default = 8388608
net.core.wmem_default = 8388608
net.core.rmem_max = 33554432
net.core.wmem_max = 33554432
net.mptcp.enabled = 1
net.ipv4.conf.all.arp_accept = 0
net.ipv4.conf.default.arp_accept = 0
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
net.ipv4.conf.all.rp_filter = 0
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
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.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.all.route_localnet = 1
net.ipv4.route.flush = 1
net.ipv4.ip_local_port_range = 1024 65535
net.ipv4.ip_forward = 1
net.ipv4.conf.all.forwarding = 1
net.ipv4.conf.default.forwarding = 1
net.ipv4.ip_no_pmtu_disc = 0
net.ipv4.udp_rmem_min = 262144
net.ipv4.udp_wmem_min = 262144
net.ipv4.tcp_mem = 8388608 8388608 8388608
net.ipv4.tcp_rmem = 8192 262144 16777216
net.ipv4.tcp_wmem = 8192 262144 16777216
net.ipv4.tcp_max_tw_buckets = 131072
net.ipv4.tcp_max_orphans = 131072
net.ipv4.tcp_max_syn_backlog = 32768
net.ipv4.tcp_limit_output_bytes = 1048576
net.ipv4.tcp_adv_win_scale = 1
net.ipv4.tcp_moderate_rcvbuf = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_workaround_signed_windows = 0
net.ipv4.tcp_mtu_probing = 0
net.ipv4.tcp_mtu_probe_floor = 48
net.ipv4.tcp_base_mss = 1024
net.ipv4.tcp_no_metrics_save = 0
net.ipv4.tcp_no_ssthresh_metrics_save = 1
net.ipv4.tcp_sack = 1
net.ipv4.tcp_dsack = 1
net.ipv4.tcp_frto = 0
net.ipv4.tcp_recovery = 1
net.ipv4.tcp_early_retrans = 3
net.ipv4.tcp_min_rtt_wlen = 120
net.ipv4.tcp_reordering = 3
net.ipv4.tcp_ecn = 0
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_fastopen = 3
net.ipv4.tcp_fastopen_blackhole_timeout_sec = 0
net.ipv4.tcp_fastopen_key = 00000000-00000000-00000000-00000000
net.ipv4.tcp_keepalive_time = 7200
net.ipv4.tcp_keepalive_intvl = 75
net.ipv4.tcp_keepalive_probes = 9
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_syncookies = 0
net.ipv4.tcp_tw_reuse = 2
net.ipv4.tcp_syn_retries = 3
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_retries1 = 3
net.ipv4.tcp_retries2 = 8
net.ipv4.tcp_orphan_retries = 0
net.ipv4.tcp_challenge_ack_limit = 100000
net.ipv4.tcp_slow_start_after_idle = 0
net.ipv4.tcp_autocorking = 0
net.ipv4.tcp_rfc1337 = 1
net.core.default_qdisc = cake
EOF
sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
if [[ $(uname -r) =~ "bbrplus" ]]; then
echo "net.ipv4.tcp_congestion_control = bbrplus" >>/etc/sysctl.conf
else
echo "net.ipv4.tcp_congestion_control = bbr" >>/etc/sysctl.conf
fi
sync
sysctl -p >/dev/null 2>&1
dpkg --configure -a
cat << EOF >/etc/apt/sources.list
deb https://cloudfront.debian.net/debian bookworm main contrib non-free non-free-firmware
deb https://cloudfront.debian.net/debian-security bookworm-security main contrib non-free non-free-firmware
deb https://cloudfront.debian.net/debian bookworm-updates main contrib non-free non-free-firmware
deb https://cloudfront.debian.net/debian bookworm-backports main contrib non-free non-free-firmware
EOF
apt update --fix-missing && apt upgrade --allow-downgrades -y
apt full-upgrade -y && apt --purge autoremove -y && apt clean -y && apt autoclean -y
[[ -n $(dpkg -l | awk '{print$2}' | grep '^haveged$') ]] && apt remove --purge haveged
[[ -n $(dpkg -l | awk '{print$2}' | grep '^os-prober$') ]] && apt remove --purge os-prober
[[ -n $(dpkg -l | awk '{print$2}' | grep '^systemd-timesyncd$') ]] && apt remove --purge systemd-timesyncd
unset aptPKG
[[ -z $(dpkg -l | awk '{print$2}' | grep '^sudo$') ]] && aptPKG+=(sudo)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^wget$') ]] && aptPKG+=(wget)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^curl$') ]] && aptPKG+=(curl)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^git$') ]] && aptPKG+=(git)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^locales$') ]] && aptPKG+=(locales)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^ethtool$') ]] && aptPKG+=(ethtool)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^ca-certificates$') ]] && aptPKG+=(ca-certificates)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^apt-transport-https$') ]] && aptPKG+=(apt-transport-https)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^gnupg2$') ]] && aptPKG+=(gnupg2)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^unzip$') ]] && aptPKG+=(unzip)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^jq$') ]] && aptPKG+=(jq)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^rng-tools-debian$') ]] && aptPKG+=(rng-tools-debian)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^chrony$') ]] && aptPKG+=(chrony)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^irqbalance$') ]] && [[ $(nproc --all) -gt 1 ]] && aptPKG+=(irqbalance)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^libjemalloc2') ]] && aptPKG+=(libjemalloc2)
[[ -z $(dpkg -l | awk '{print$2}' | grep '^google-perftools') ]] && aptPKG+=(google-perftools)
[[ -n $aptPKG ]] && apt update && apt install $(echo ${aptPKG[@]})
[[ -f "/etc/ld.so.preload" ]] && sed -i "/libjemalloc/d" /etc/ld.so.preload
ldconfig
cat << EOF >/etc/default/rng-tools-debian
# -*- mode: sh -*-
#-
# Configuration for the rng-tools-debian initscript
# Set to the input source for random data, leave undefined
# for the initscript to attempt auto-detection. Set to /dev/null
# for the viapadlock driver.
#HRNGDEVICE=/dev/hwrng
#HRNGDEVICE=/dev/null
HRNGDEVICE=/dev/urandom
# Additional options to send to rngd. See the rngd(8) manpage for
# more information. Do not specify -r/--rng-device here, use
# HRNGDEVICE for that instead.
#RNGDOPTIONS="--hrng=intelfwh --fill-watermark=90% --feed-interval=1"
#RNGDOPTIONS="--hrng=viakernel --fill-watermark=90% --feed-interval=1"
#RNGDOPTIONS="--hrng=viapadlock --fill-watermark=90% --feed-interval=1"
# For TPM (also add tpm-rng to /etc/initramfs-tools/modules or /etc/modules):
#RNGDOPTIONS="--fill-watermark=90% --feed-interval=1"
# If you need to configure which RNG to use, do it here:
#HRNGSELECT="virtio_rng.0"
# Use this instead of sysfsutils, which starts too late.
EOF
systemctl restart rng-tools
cat << EOF >/etc/chrony/chrony.conf
server time.cloud.tencent.com iburst
server time4.cloud.tencent.com iburst
server time5.cloud.tencent.com iburst
server ntp.aliyun.com iburst
server ntp6.aliyun.com iburst
server ntp7.aliyun.com iburst
driftfile /var/lib/chrony/chrony.drift
logdir /var/log/chrony
maxupdateskew 100.0
rtcsync
makestep 1 3
leapsectz right/UTC
EOF
systemctl restart chrony
systemctl enable chrony >/dev/null 2>&1
localeSet=`cat << EOF
LANG=en_US.UTF-8
LANGUAGE=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=en_US.UTF-8
EOF
`
if [[ -z $(locale -a | grep "en_US.utf8") ]]; then
echo "$localeSet" >/etc/default/locale
echo "en_US.UTF-8 UTF-8" >/etc/locale.gen
locale-gen "en_US.UTF-8"
update-locale LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8 LC_ALL=en_US.UTF-8
fi
[[ $(date +"%Z %z") != "CST +0800" ]] && timedatectl set-timezone "Asia/Shanghai"
timedatectl set-local-rtc 0 >/dev/null 2>&1
timedatectl set-ntp true
[[ -f "/etc/rc.local" ]] && rm -rf /etc/rc.local
if [[ -n $(systemctl list-unit-files --type=service | grep 'rc_online') ]]; then
systemctl stop rc_online
rm -rf /etc/systemd/system/rc_online.service
systemctl daemon-reload >/dev/null
fi
cat << EOF >/etc/rc_online.local
#!/bin/bash
echo madvise >/sys/kernel/mm/transparent_hugepage/enabled
$(which ip) route show table local | grep ' dev lo ' | while read line; do
line=\$(echo \$line | awk -F' mtu ' '{print\$1}')
$(which ip) route change \$line mtu 65520 initcwnd 1000 initrwnd 1000 fastopen_no_cookie 1 congctl lock cubic
done
NIC_local=\$($(which ip) route | grep -v 'scope link' | awk -F' dev ' '{print\$2}' | cut -d' ' -f1)
$(which ip) route show table local | grep " dev \$NIC_local " | while read line; do
line=\$(echo \$line | awk -F' mtu ' '{print\$1}')
$(which ip) route change \$line mtu 1500 fastopen_no_cookie 1 congctl lock $(sysctl net.ipv4.tcp_congestion_control | awk -F' = ' '{print$2}')
done
$(which ip) route | grep " dev \$NIC_local " | while read line; do
line=\$(echo \$line | awk -F' mtu ' '{print\$1}')
$(which ip) route change \$line mtu 1500 fastopen_no_cookie 1 congctl lock $(sysctl net.ipv4.tcp_congestion_control | awk -F' = ' '{print$2}')
done
NIC_device=\$(find /sys/class/net ! -type d | xargs --max-args=1 realpath | grep 'device')
for ifb in \$(echo \$NIC_device | xargs -n 1 | grep 'virtual' | awk -F'/' '{print\$NF}' | grep '^ifb'); do
$(which ip) link set \$ifb down
$(which ip) link delete \$ifb
done
$(which ip) link set lo qlen 1000000 mtu 65520
$(which tc) qdisc del dev lo root >/dev/null 2>&1
$(which tc) qdisc add dev lo root cake unlimited rtt 10us diffserv4 dual-srchost no-split-gso no-ack-filter raw egress
$(which ip) link add name ifb4lo type ifb >/dev/null 2>&1
$(which tc) qdisc del dev lo ingress >/dev/null 2>&1
$(which tc) qdisc add dev lo handle ffff: ingress
$(which tc) qdisc del dev ifb4lo root >/dev/null 2>&1
$(which tc) qdisc add dev ifb4lo root cake unlimited rtt 10us diffserv4 dual-dsthost no-split-gso no-ack-filter raw ingress
$(which ip) link set ifb4lo qlen 1000000 mtu 65520
$(which ip) link set ifb4lo up
$(which tc) filter add dev lo parent ffff: matchall action mirred egress redirect dev ifb4lo
echo \$NIC_device | xargs -n 1 | grep 'virtual' | awk -F'/' '{print\$NF}' | grep -v 'docker' | grep -v 'ifb' | grep -v '^lo\$' | while read line; do
MTU_NUM=\$(< /sys/class/net/\$line/mtu)
ifb4eth=\$(echo "ifb4\$line" | cut -c 1-15)
$(which ip) link set \$line qlen 4096 mtu \$MTU_NUM
$(which tc) qdisc del dev \$line root >/dev/null 2>&1
$(which tc) qdisc add dev \$line root cake unlimited rtt 10us diffserv4 dual-srchost nonat nowash no-split-gso ack-filter raw overhead 18 mpu 64 noatm egress
$(which ip) link add name \$ifb4eth type ifb >/dev/null 2>&1
$(which tc) qdisc del dev \$line ingress >/dev/null 2>&1
$(which tc) qdisc add dev \$line handle ffff: ingress
$(which tc) qdisc del dev \$ifb4eth root >/dev/null 2>&1
$(which tc) qdisc add dev \$ifb4eth root cake unlimited rtt 10us diffserv4 dual-dsthost nonat nowash no-split-gso ack-filter raw overhead 18 mpu 64 noatm ingress
$(which ip) link set \$ifb4eth qlen 4096 mtu \$MTU_NUM
$(which ip) link set \$ifb4eth up
$(which tc) filter add dev \$line parent ffff: matchall action mirred egress redirect dev \$ifb4eth
done
echo \$NIC_device | xargs -n 1 | grep -v 'virtual' | awk -F'/' '{print\$NF}' | while read line; do
MTU_NUM=\$(< /sys/class/net/\$line/mtu)
ifb4eth=\$(echo "ifb4\$line" | cut -c 1-15)
$(which ip) link set \$line qlen 4096 mtu \$MTU_NUM
$(which tc) qdisc del dev \$line root >/dev/null 2>&1
$(which tc) qdisc add dev \$line root cake unlimited rtt 1ms diffserv4 dual-srchost nonat nowash split-gso ack-filter ethernet egress
$(which ip) link add name \$ifb4eth type ifb >/dev/null 2>&1
$(which tc) qdisc del dev \$line ingress >/dev/null 2>&1
$(which tc) qdisc add dev \$line handle ffff: ingress
$(which tc) qdisc del dev \$ifb4eth root >/dev/null 2>&1
$(which tc) qdisc add dev \$ifb4eth root cake unlimited rtt 1ms diffserv4 dual-dsthost nonat nowash split-gso ack-filter ethernet ingress
$(which ip) link set \$ifb4eth qlen 4096 mtu \$MTU_NUM
$(which ip) link set \$ifb4eth up
$(which tc) filter add dev \$line parent ffff: matchall action mirred egress redirect dev \$ifb4eth
$(which ethtool) -s \$line duplex full >/dev/null 2>&1
$(which ethtool) -K \$line rx on rx-all on rx-gro on tx on sg on tso on gso on gro on >/dev/null 2>&1
done
$(which ip) tcp_metrics flush
$(which ip) route flush cache
EOF
chmod +x /etc/rc_online.local
mkdir -p /etc/systemd/system/networking.service.d/
cat << EOF >/etc/systemd/system/networking.service.d/override.conf
[Service]
ExecStartPost=/etc/rc_online.local
EOF
systemctl daemon-reload >/dev/null
/etc/rc_online.local
crontab -l 2>/dev/null >/tmp/now.cron
sed -i '/\/etc\/rc_online.local/d' /tmp/now.cron
cat << EOF >>/tmp/now.cron
EOF
crontab /tmp/now.cron
rm -rf /tmp/now.cron
date -s "$(wget -qSO- --max-redirect=0 aliyun.com 2>&1 | grep Date: | cut -d' ' -f5-8)Z" | grep -v ' 08:00:00 '
[[ $? -ne "0" ]] && date -s "$(wget -qSO- --max-redirect=0 baidu.com 2>&1 | grep Date: | cut -d' ' -f5-8)Z"
hwclock -w