forked from hongwenjun/vps_setup
-
Notifications
You must be signed in to change notification settings - Fork 0
/
bbr.sh
executable file
·344 lines (302 loc) · 10.9 KB
/
bbr.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
#!/usr/bin/env bash
#
# Auto install latest kernel for TCP BBR
#
# System Required: CentOS 6+, Debian7+, Ubuntu12+
#
# Copyright (C) 2016-2018 Teddysun <[email protected]>
#
# URL: https://teddysun.com/489.html
#
red='\033[0;31m'
green='\033[0;32m'
yellow='\033[0;33m'
plain='\033[0m'
cur_dir=$(pwd)
[[ $EUID -ne 0 ]] && echo -e "${red}Error:${plain} This script must be run as root!" && exit 1
[[ -d "/proc/vz" ]] && echo -e "${red}Error:${plain} Your VPS is based on OpenVZ, which is not supported." && exit 1
if [ -f /etc/redhat-release ]; then
release="centos"
elif cat /etc/issue | grep -Eqi "debian"; then
release="debian"
elif cat /etc/issue | grep -Eqi "ubuntu"; then
release="ubuntu"
elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
release="centos"
elif cat /proc/version | grep -Eqi "debian"; then
release="debian"
elif cat /proc/version | grep -Eqi "ubuntu"; then
release="ubuntu"
elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
release="centos"
else
release=""
fi
is_digit(){
local input=${1}
if [[ "$input" =~ ^[0-9]+$ ]]; then
return 0
else
return 1
fi
}
get_valid_valname(){
local val=${1}
local new_val=$(eval echo $val | sed 's/[-.]/_/g')
echo ${new_val}
}
get_hint(){
local val=${1}
local new_val=$(get_valid_valname $val)
eval echo "\$hint_${new_val}"
}
#Display Memu
display_menu(){
local soft=${1}
local default=${2}
eval local arr=(\${${soft}_arr[@]})
local default_prompt
if [[ "$default" != "" ]]; then
if [[ "$default" == "last" ]]; then
default=${#arr[@]}
fi
default_prompt="(default ${arr[$default-1]})"
fi
local pick
local hint
local vname
local prompt="which ${soft} you'd select ${default_prompt}: "
while :
do
echo -e "\n------------ ${soft} setting ------------\n"
for ((i=1;i<=${#arr[@]};i++ )); do
vname="$(get_valid_valname ${arr[$i-1]})"
hint="$(get_hint $vname)"
[[ "$hint" == "" ]] && hint="${arr[$i-1]}"
echo -e "${green}${i}${plain}) $hint"
done
echo
read -p "${prompt}" pick
if [[ "$pick" == "" && "$default" != "" ]]; then
pick=${default}
break
fi
if ! is_digit "$pick"; then
prompt="Input error, please input a number"
continue
fi
if [[ "$pick" -lt 1 || "$pick" -gt ${#arr[@]} ]]; then
prompt="Input error, please input a number between 1 and ${#arr[@]}: "
continue
fi
break
done
eval ${soft}=${arr[$pick-1]}
vname="$(get_valid_valname ${arr[$pick-1]})"
hint="$(get_hint $vname)"
[[ "$hint" == "" ]] && hint="${arr[$pick-1]}"
echo -e "\nyour selection: $hint\n"
}
version_ge(){
test "$(echo "$@" | tr " " "\n" | sort -rV | head -n 1)" == "$1"
}
get_latest_version() {
latest_version=($(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/ | awk -F'\"v' '/v[4-9]./{print $2}' | cut -d/ -f1 | grep -v - | sort -V))
[ ${#latest_version[@]} -eq 0 ] && echo -e "${red}Error:${plain} Get latest kernel version failed." && exit 1
kernel_arr=()
for i in ${latest_version[@]}; do
if version_ge $i 4.14; then
kernel_arr+=($i);
fi
done
display_menu kernel last
if [[ `getconf WORD_BIT` == "32" && `getconf LONG_BIT` == "64" ]]; then
deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/ | grep "linux-image" | grep "generic" | awk -F'\">' '/amd64.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${deb_name}"
deb_kernel_name="linux-image-${kernel}-amd64.deb"
modules_deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/ | grep "linux-modules" | grep "generic" | awk -F'\">' '/amd64.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_modules_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${modules_deb_name}"
deb_kernel_modules_name="linux-modules-${kernel}-amd64.deb"
else
deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/ | grep "linux-image" | grep "generic" | awk -F'\">' '/i386.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${deb_name}"
deb_kernel_name="linux-image-${kernel}-i386.deb"
modules_deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/ | grep "linux-modules" | grep "generic" | awk -F'\">' '/i386.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_modules_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${modules_deb_name}"
deb_kernel_modules_name="linux-modules-${kernel}-i386.deb"
fi
[ -z ${deb_name} ] && echo -e "${red}Error:${plain} Getting Linux kernel binary package name failed, maybe kernel build failed. Please choose other one and try again." && exit 1
}
get_opsy() {
[ -f /etc/redhat-release ] && awk '{print ($1,$3~/^[0-9]/?$3:$4)}' /etc/redhat-release && return
[ -f /etc/os-release ] && awk -F'[= "]' '/PRETTY_NAME/{print $3,$4,$5}' /etc/os-release && return
[ -f /etc/lsb-release ] && awk -F'[="]+' '/DESCRIPTION/{print $2}' /etc/lsb-release && return
}
opsy=$( get_opsy )
arch=$( uname -m )
lbit=$( getconf LONG_BIT )
kern=$( uname -r )
get_char() {
SAVEDSTTY=`stty -g`
stty -echo
stty cbreak
dd if=/dev/tty bs=1 count=1 2> /dev/null
stty -raw
stty echo
stty $SAVEDSTTY
}
getversion() {
if [[ -s /etc/redhat-release ]]; then
grep -oE "[0-9.]+" /etc/redhat-release
else
grep -oE "[0-9.]+" /etc/issue
fi
}
centosversion() {
if [ x"${release}" == x"centos" ]; then
local code=$1
local version="$(getversion)"
local main_ver=${version%%.*}
if [ "$main_ver" == "$code" ]; then
return 0
else
return 1
fi
else
return 1
fi
}
check_bbr_status() {
local param=$(sysctl net.ipv4.tcp_congestion_control | awk '{print $3}')
if [[ x"${param}" == x"bbr" ]]; then
return 0
else
return 1
fi
}
check_kernel_version() {
local kernel_version=$(uname -r | cut -d- -f1)
if version_ge ${kernel_version} 4.9; then
return 0
else
return 1
fi
}
install_elrepo() {
if centosversion 5; then
echo -e "${red}Error:${plain} not supported CentOS 5."
exit 1
fi
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
if centosversion 6; then
rpm -Uvh http://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm
elif centosversion 7; then
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
fi
if [ ! -f /etc/yum.repos.d/elrepo.repo ]; then
echo -e "${red}Error:${plain} Install elrepo failed, please check it."
exit 1
fi
}
sysctl_config() {
sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf
sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
echo "net.core.default_qdisc = fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control = bbr" >> /etc/sysctl.conf
sysctl -p >/dev/null 2>&1
}
install_config() {
if [[ x"${release}" == x"centos" ]]; then
if centosversion 6; then
if [ ! -f "/boot/grub/grub.conf" ]; then
echo -e "${red}Error:${plain} /boot/grub/grub.conf not found, please check it."
exit 1
fi
sed -i 's/^default=.*/default=0/g' /boot/grub/grub.conf
elif centosversion 7; then
if [ ! -f "/boot/grub2/grub.cfg" ]; then
echo -e "${red}Error:${plain} /boot/grub2/grub.cfg not found, please check it."
exit 1
fi
grub2-set-default 0
fi
elif [[ x"${release}" == x"debian" || x"${release}" == x"ubuntu" ]]; then
/usr/sbin/update-grub
fi
}
reboot_os() {
echo
echo -e "${green}Info:${plain} The system needs to reboot."
read -p "Do you want to restart system? [y/n]" is_reboot
if [[ ${is_reboot} == "y" || ${is_reboot} == "Y" ]]; then
reboot
else
echo -e "${green}Info:${plain} Reboot has been canceled..."
exit 0
fi
}
install_bbr() {
check_bbr_status
if [ $? -eq 0 ]; then
echo
echo -e "${green}Info:${plain} TCP BBR has already been installed. nothing to do..."
exit 0
fi
check_kernel_version
if [ $? -eq 0 ]; then
echo
echo -e "${green}Info:${plain} Your kernel version is greater than 4.9, directly setting TCP BBR..."
sysctl_config
echo -e "${green}Info:${plain} Setting TCP BBR completed..."
exit 0
fi
if [[ x"${release}" == x"centos" ]]; then
install_elrepo
[ ! "$(command -v yum-config-manager)" ] && yum install -y yum-utils > /dev/null 2>&1
[ x"$(yum-config-manager elrepo-kernel | grep -w enabled | awk '{print $3}')" != x"True" ] && yum-config-manager --enable elrepo-kernel > /dev/null 2>&1
yum -y install kernel-ml kernel-ml-devel
if [ $? -ne 0 ]; then
echo -e "${red}Error:${plain} Install latest kernel failed, please check it."
exit 1
fi
elif [[ x"${release}" == x"debian" || x"${release}" == x"ubuntu" ]]; then
[[ ! -e "/usr/bin/wget" ]] && apt-get -y update && apt-get -y install wget
echo -e "${green}Info:${plain} Getting latest kernel version..."
get_latest_version
if [ -n ${modules_deb_name} ]; then
wget -c -t3 -T60 -O ${deb_kernel_modules_name} ${deb_kernel_modules_url}
if [ $? -ne 0 ]; then
echo -e "${red}Error:${plain} Download ${deb_kernel_modules_name} failed, please check it."
exit 1
fi
fi
wget -c -t3 -T60 -O ${deb_kernel_name} ${deb_kernel_url}
if [ $? -ne 0 ]; then
echo -e "${red}Error:${plain} Download ${deb_kernel_name} failed, please check it."
exit 1
fi
[ -f ${deb_kernel_modules_name} ] && dpkg -i ${deb_kernel_modules_name}
dpkg -i ${deb_kernel_name}
rm -f ${deb_kernel_name} ${deb_kernel_modules_name}
else
echo -e "${red}Error:${plain} OS is not be supported, please change to CentOS/Debian/Ubuntu and try again."
exit 1
fi
install_config
sysctl_config
reboot_os
}
clear
echo "---------- System Information ----------"
echo " OS : $opsy"
echo " Arch : $arch ($lbit Bit)"
echo " Kernel : $kern"
echo "----------------------------------------"
echo " Auto install latest kernel for TCP BBR"
echo
echo " URL: https://teddysun.com/489.html"
echo "----------------------------------------"
echo
echo "Press any key to start...or Press Ctrl+C to cancel"
char=`get_char`
install_bbr 2>&1 | tee ${cur_dir}/install_bbr.log