在centos系统shell脚本中cat和重定向符号<

98 阅读 0 评论 65 点赞

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
#!/bin/sh
#the script is install nginx
#echo "add user mars"
#groupadd xiaoyao && useradd -g xiaoyao xiaoyao && sed -i 's/#PermitRootLogin yes/PermitRootLogin no/g' /etc/ssh/sshd_config && service sshd restart && passwd xiaoyao
echo "configure sysctl"
mv /etc/sysctl.conf /etc/sysctl.conf.bak
cat >>/etc/sysctl.conf<<EOF
net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_rmem = 4096 87380 4194304
net.ipv4.tcp_wmem = 4096 16384 4194304
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 262144
net.core.somaxconn = 262144
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_fin_timeout = 1
net.ipv4.tcp_keepalive_time = 30
net.ipv4.ip_local_port_range = 1024 65000
EOF
sysctl -p
echo "configure sysctl is complete!"
yum install -y gcc gcc-c++ openssl openssl-devel pcre-devel
cd /data/tools
tar -zxvf pcre-8.37.tar.gz -C /usr/local/src/
cd /usr/local/src/pcre-8.37/
./configure --prefix=/usr/local/pcre
make &&make install
cd /data/tools
tar -zxvf libevent-2.0.22-stable.tar.gz -C /usr/local/src/
cd /usr/local/src/libevent-2.0.22-stable/
./configure --prefix=/usr/local/libevent
make && make install
cd /usr/local/libevent/
ln -s /usr/local/libevent/include /usr/include/libevent
echo "/usr/local/libevent/lib" >>/etc/ld.so.conf.d/libevent.conf
ldconfig -pv | grep libevent
groupadd nginx
useradd -r -g nginx -s /sbin/nologin -M nginx
cd /data/tools
tar -zxvf nginx-1.8.0.tar.gz -C /usr/local/src/
cd /usr/local/src/nginx-1.8.0/
 ./configure 
--conf-path=/etc/nginx/nginx.conf  
--error-log-path=/var/log/nginx/error.log 
--http-log-path=/var/log/nginx/access.log 
--pid-path=/var/run/nginx.pid  
--lock-path=/var/lock/nginx.lock  
--user=nginx  
--group=nginx  
--with-http_ssl_module 
--with-http_flv_module 
--with-http_stub_status_module 
--with-http_gzip_static_module 
--http-client-body-temp-path=/var/tmp/nginx/client/ 
--http-proxy-temp-path=/var/tmp/nginx/proxy/ 
--http-fastcgi-temp-path=/var/tmp/nginx/fcgi/ 
--with-pcre=/usr/local/src/pcre-8.37
ln -s /var/log/nginx/error.log /etc/nginx/error.log
ln -s /var/log/nginx/access.log /etc/nginx/access.log
ln -s /var/run/nginx.pid /etc/nginx/nginx.pid
ln -s /var/lock/nginx.lock /etc/nginx/nginx.lock
make && make install
cd /usr/local/nginx
mkdir -pv /var/tmp/nginx/client
mkdir -pv /var/tmp/nginx/proxy
mkdir -pv /var/tmp/nginx/fcgi
echo "PATH=$PATH:/usr/local/nginx/sbin" >>/etc/profile
source /etc/profile
cat >>/etc/init.d/nginx<<EOF
#!/bin/bash
# chkconfig: 2345 65 45
# description: nginx serverdaemon
prog=/usr/local/nginx/sbin/nginx
lockfile=/var/lock/nginx.lock
pidfile=/var/run/nginx.pid
start(){
#以下的$、`、#前都加了转义符号""
      [ -f $lockfile ] && echo"nginx is started." && exit
      echo -n "nginx is starting.."
      sleep 1 && echo -n"."
      $prog &&  echo -e  "$space[33[32m OK33[0m]" && touch $lockfile || echo  -e "$space[33[31m failed33[0m]"
}
stop(){
      [ ! -f $lockfile ] && echo"nginx is stopped." && exit
      echo -n "nginx is stopping.."
      sleep 1 && echo -n"."
      $prog -s stop && echo  -e "$space[33[32m OK 33[0m]"&& rm -f $lockfile || echo  -e"$space[33[31m failed 33[0m]"
}
status(){
      [ ! -f $pidfile ] && echo"nginx is stoped" || echo "`cat $pidfile`,nginx is running"
}
case "$1" in
start)
      start
      ;;
stop)
      stop
      ;;
restart)
      stop
      start
      ;;
status)
      status
      ;;
*)
      echo "UASGE IS:start|stop|restart|status"
      ;;
esac
EOF
#生成后，需要将“#”修改会“#”，而“`”及“$”则会自动转为“`”以及“$”
sed -i 's/\#/#/g' /etc/init.d/nginx
chmod  +x /etc/init.d/nginx
chkconfig --add nginx
chkconfig --list nginx
service nginx start
echo "suessfull!!"