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Nginx反向代理及负载均衡实现过程
1 2 3 | [root@nginx ~] # ntpdate 202.120.2.101 [root@web1 ~] # ntpdate 202.120.2.101 [root@web2 ~] # ntpdate 202.120.2.101 |
1 2 3 4 5 6 7 8 9 10 11 12 | [root@nginx ~] # service iptables stop [root@nginx ~] # chkconfig iptables off [root@nginx ~] # getenforce Disabled [root@web1 ~] # service iptables stop [root@web1 ~] # chkconfig iptables off [root@web1 ~] # getenforce Disabled [root@web2 ~] # service iptables stop [root@web2 ~] # chkconfig iptables off [root@web2 ~] # getenforce Disabled |
1 2 3 4 | [root@nginx src] # groupadd -g 108 -r nginx [root@nginx src] # useradd -u 108 -r -g 108 nginx [root@nginx src] # id nginx uid=108(nginx) gid=108(nginx) 组=108(nginx) |
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 | [root@nginx ~] # cat /etc/init.d/nginx #!/bin/sh # # nginx - this script starts and stops the nginx daemon # # chkconfig: - 85 15 # description: Nginx is an HTTP(S) server, HTTP(S) reverse \ # proxy and IMAP/POP3 proxy server # processname: nginx # config: /etc/nginx/nginx.conf # config: /etc/sysconfig/nginx # pidfile: /var/run/nginx.pid # Source function library. . /etc/rc .d /init .d /functions # Source networking configuration. . /etc/sysconfig/network # Check that networking is up. [ "$NETWORKING" = "no" ] && exit 0 nginx= "/usr/sbin/nginx" prog=$( basename $nginx) NGINX_CONF_FILE= "/etc/nginx/nginx.conf" [ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx lockfile= /var/lock/subsys/nginx make_dirs() { # make required directories user=`nginx -V 2>&1 | grep "configure arguments:" | sed ‘s/[^*]*--user=\([^ ]*\).*/\1/g‘ -` options=`$nginx -V 2>&1 | grep ‘configure arguments:‘ ` for opt in $options; do if [ ` echo $opt | grep ‘.*-temp-path‘ ` ]; then value=http://www.mamicode.com/` echo $opt | cut -d "=" -f 2` if [ ! -d "$value" ]; then # echo "creating" $value mkdir -p $value && chown -R $user $value fi fi done } start() { [ -x $nginx ] || exit 5 [ -f $NGINX_CONF_FILE ] || exit 6 make_dirs echo -n $ "Starting $prog: " daemon $nginx -c $NGINX_CONF_FILE retval=$? echo [ $retval - eq 0 ] && touch $lockfile return $retval } stop() { echo -n $ "Stopping $prog: " killproc $prog -QUIT retval=$? echo [ $retval - eq 0 ] && rm -f $lockfile return $retval } restart() { configtest || return $? stop sleep 1 start } reload() { configtest || return $? echo -n $ "Reloading $prog: " killproc $nginx -HUP RETVAL=$? echo } force_reload() { restart } configtest() { $nginx -t -c $NGINX_CONF_FILE } rh_status() { status $prog } rh_status_q() { rh_status > /dev/null 2>&1 } case "$1" in start) rh_status_q && exit 0 $1 ;; stop) rh_status_q || exit 0 $1 ;; restart|configtest) $1 ;; reload) rh_status_q || exit 7 $1 ;; force-reload) force_reload ;; status) rh_status ;; condrestart|try-restart) rh_status_q || exit 0 ;; *) echo $ "Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}" exit 2 esac |
1 | [root@nginx ~] # chmod +x /etc/init.d/nginx |
1 2 3 4 | [root@nginx ~] # chkconfig --add nginx [root@nginx ~] # chkconfig nginx on [root@nginx ~] # chkconfig nginx --list nginx 0:关闭 1:关闭 2:启用 3:启用 4:启用 5:启用 6:关闭 |
1 2 | [root@nginx ~] # service nginx start 正在启动 nginx: |
1 2 | [root@nginx ~] # netstat -ntlp | grep :80 |
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Nginx反向代理及负载均衡实现过程
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