CentOS7上編譯多版本PHP並同時運行及systemd設置
CentOS7最大改變是systemd代替過去的systemV服務，因而配置服務的方式改變了，用systemctl替代過去的service, chkconfig等命令。
php
網站搬遷服務器，全新服務器固然用新系統，因而安裝上CentOS7。mysql
PHP5.4編譯參數：linux
./configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu \ --with-layout=GNU \ --prefix=/usr/local --exec-prefix=/usr/local \ --sysconfdir=/etc --libdir=/usr/local/lib/php \ --sbindir=/usr/local/sbin --sharedstatedir=/usr/com --datadir=/usr/local/share \ --includedir=/usr/local/include --libexecdir=/usr/local/libexec \ --localstatedir=/run --mandir=/usr/local/share/man --infodir=/usr/local/share/info \ --with-config-file-path=/etc --with-config-file-scan-dir=/etc/php.d \ --with-pic --with-curl --with-freetype-dir --with-png-dir \ --with-gettext=shared --with-gmp=shared --with-iconv --with-jpeg-dir --with-png-dir \ --with-openssl --with-libxml-dir --with-pcre-regex \ --with-mcrypt --with-zlib --with-mhash \ --with-pear --with-gd --enable-gd-native-ttf --enable-calendar=shared \ --enable-exif --enable-ftp --enable-sockets --enable-bcmath=shared \ --enable-pcntl \ --enable-intl --enable-mbstring \ --enable-zip --with-bz2 \ --without-unixODBC --enable-mbregex \ --enable-fpm --with-fpm-user=www --with-fpm-group=www \ --disable-tokenizer --disable-phar \ --enable-sysvsem --enable-sysvshm --enable-sysvmsg \ --disable-cgi \ \ --with-pgsql=/usr/pgsql-9.4 --with-pdo-pgsql=/usr/pgsql-9.4 \ \ --with-pdo-mysql --with-mysql --with-mysql-sock=/var/lib/mysql/mysql.sock \ --with-mysqli=shared --enable-mysqlnd \ \
nginx1.8.0編譯參數nginx
./configure --prefix=/usr/local/nginx --conf-path=/etc/nginx/nginx.conf \ --sbin-path=/usr/local/sbin/nginx --user=nginx --group=www \ --with-http_ssl_module --with-http_realip_module \ --with-http_stub_status_module \ --with-file-aio \ --pid-path=/run/nginx.pid \ --lock-path=/run/nginx/nginx.lock \ --http-log-path=/var/log/nginx/access.log \ --error-log-path=/var/log/nginx/error.log \ --http-client-body-temp-path=/run/nginx/client \ --http-proxy-temp-path=/run/nginx/proxy \ --http-fastcgi-temp-path=/run/nginx/fcgi \ --with-debug \ --without-http_ssi_module \ --without-http_scgi_module \ --without-http_uwsgi_module \ --without-http_autoindex_module \ --without-http_memcached_module \ --without-http_proxy_module \ --without-http_map_module \ --without-http_geo_module \ --without-http_auth_basic_module \ --without-http_upstream_ip_hash_module \ --without-http_split_clients_module \ --without-select_module \
/etc/php-fpm.conf:sql
[global] pid = /run/php-fpm/php-fpm.pid error_log = /var/log/php-fpm.log log_level = warning emergency_restart_threshold = 10 emergency_restart_interval = 60 process_control_timeout = 300s daemonize = yes rlimit_files = 10240 [www0] prefix = /run/php-fpm/pools/$pool listen = /run/php-fpm/php-fpm0.sock listen.backlog = 2048 listen.owner = www listen.group = www listen.mode = 0666 user = www group = www pm = static pm.max_children = 30 pm.max_requests = 500 pm.status_path = /status request_terminate_timeout = 600 request_slowlog_timeout = 30 slowlog = /var/log/nginx/slow.log env[TMP] = /run/php-fpm/tmp env[TMPDIR] = /run/php-fpm/tmp env[TEMP] = /run/php-fpm/tmp [www1] prefix = /run/php-fpm/pools/$pool listen = /run/php-fpm/php-fpm1.sock listen.backlog = 2048 listen.owner = www listen.group = www listen.mode = 0666 user = www group = www pm = static pm.max_children = 10 pm.max_requests = 500 pm.status_path = /status request_terminate_timeout = 600 request_slowlog_timeout = 30 slowlog = /var/log/nginx/slow.log env[TMP] = /run/php-fpm/tmp env[TMPDIR] = /run/php-fpm/tmp env[TEMP] = /run/php-fpm/tmp
編輯php-fpm啓動配置文件 /etc/systemd/system/php-fpm.serviceshell
[Unit] Description=The PHP FastCGI Process Manager After=syslog.target network.target Before=nginx.service [Service] Type=forking #Type=notify PIDFile=/run/php-fpm/php-fpm.pid ExecStart=/usr/local/sbin/php-fpm --fpm-config /etc/php-fpm.conf ExecReload=/bin/kill -USR2 $MAINPID PrivateTmp=true [Install] WantedBy=multi-user.target
/etc/systemd/system/nginx.service服務器
[Unit] Description=The nginx HTTP and reverse proxy server @ifxdb After=network.target remote-fs.target nss-lookup.target php-fpm.service [Service] Type=forking PIDFile=/run/nginx.pid ExecStartPre=/usr/local/sbin/nginx -t ExecStart=/usr/local/sbin/nginx ExecReload=/bin/kill -s HUP $MAINPID ExecStop=/bin/kill -s QUIT $MAINPID KillMode=process KillSignal=SIGQUIT TimeoutStopSec=5 PrivateTmp=true [Install] WantedBy=multi-user.target
編輯虛擬文件配置 （Centos7的/run是用tmpfs掛接的，重啓後目錄會消失並從新生成指定默認的）session
/etc/tmpfiles.d/php-fpm.conf
curl
# systemd tmpfile settings for php-fpm and nginx # See tmpfiles.d(5) for details d /run/nginx 0755 nginx root - - d /run/nginx/client 0755 nginx root 10d - d /run/nginx/fcgi 0755 nginx root 10d - d /run/nginx/proxy 0755 nginx root 10d - d /run/nginx/cache0 0755 nginx root 10d - d /run/nginx/cache1 0755 nginx root 10d - d /run/nginx/cache2 0755 nginx root 10d - d /run/nginx/cache3 0755 nginx root 10d - d /run/php-fpm 0755 www www 10d - d /run/php-fpm/tmp 0755 www www 3d - d /run/php-fpm/session 0755 www www 1d - d /run/php-fpm/pools 0755 www www 3d - d /run/php-fpm/pools/www0 0755 www www - - d /run/php-fpm/pools/www1 0755 www www - - d /run/php-fpm/pools/www2 0755 www www - - d /run/php-fpm/pools/www3 0755 www www - - d /run/pear 0755 www www 3d - d /run/pear/tmp 0755 www www 3d -
重啓服務器一次
socket
編譯配置完畢。啓用和啓動服務
sudo systemctl daemon-reload sudo systemctl enable nginx php-fpm sudo systemctl start nginx php-fpm
---------------------------------------------------------------------
PHP5.4有點老了，準備裝個最新穩定版5.6試試而且爲即將到來的PHP7作準備。之前是在單獨的一臺服務器上跑測試，如今一臺服務器上該如何設置呢？
先編譯PHP5.6，注意前綴變成了 /opt
./configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu \ --with-layout=GNU \ --prefix=/opt/local --exec-prefix=/opt/local \ --sysconfdir=/etc --libdir=/opt/local/lib/php \ --sbindir=/opt/local/sbin --sharedstatedir=/usr/com --datadir=/opt/local/share \ --includedir=/opt/local/include --libexecdir=/opt/local/libexec \ --localstatedir=/run --mandir=/opt/local/share/man --infodir=/opt/local/share/info \ --with-config-file-path=/opt --with-config-file-scan-dir=/opt/php.d \ --enable-opcache --with-fpm-acl \ --with-pic --with-curl --with-freetype-dir --with-png-dir \ --with-gettext=shared --with-gmp=shared --with-iconv --with-jpeg-dir --with-png-dir \ --with-openssl --with-libxml-dir --with-pcre-regex \ --with-mcrypt --with-zlib --with-mhash \ --with-pear --with-gd --enable-gd-native-ttf --enable-calendar=shared \ --enable-exif --enable-ftp --enable-sockets --enable-bcmath=shared \ --enable-pcntl \ --enable-intl --enable-mbstring \ --enable-zip --with-bz2 \ --without-unixODBC --enable-mbregex \ --enable-fpm --with-fpm-user=www --with-fpm-group=www --with-fpm-systemd \ --disable-tokenizer --disable-phar \ --enable-sysvsem --enable-sysvshm --enable-sysvmsg \ --disable-cgi \ \ --with-pgsql=/usr/pgsql-9.4 --with-pdo-pgsql=/usr/pgsql-9.4 \ \ --with-pdo-mysql --with-mysql --with-mysql-sock=/var/lib/mysql/mysql.sock --enable-mysqlnd \ \
而後編輯 /etc/php-fpm2.conf，注意php-fpm2.pid
pid = /run/php-fpm/php-fpm2.pid ; ....... 刪除[www0] [www1]小結， 其餘不變 [www2] prefix = /run/php-fpm/pools/$pool listen = /run/php-fpm/php-fpm2.sock listen.backlog = 2048 listen.owner = www listen.group = www listen.mode = 0666 user = www group = www pm = static pm.max_children = 20 pm.max_requests = 500 pm.status_path = /status request_terminate_timeout = 600 request_slowlog_timeout = 30 slowlog = /var/log/nginx/slow.log env[TMP] = /run/php-fpm/tmp env[TMPDIR] = /run/php-fpm/tmp env[TEMP] = /run/php-fpm/tmp [www3] prefix = /run/php-fpm/pools/$pool listen = /run/php-fpm/php-fpm3.sock listen.backlog = 2048 listen.owner = www listen.group = www listen.mode = 0666 user = www group = www pm = static pm.max_children = 20 pm.max_requests = 500 pm.status_path = /status request_terminate_timeout = 600 request_slowlog_timeout = 30 slowlog = /var/log/nginx/slow.log env[TMP] = /run/php-fpm/tmp env[TMPDIR] = /run/php-fpm/tmp env[TEMP] = /run/php-fpm/tmp
而後複製php.ini
sudo cp -p /etc/php.ini /opt/php56.ini
php5.6的配置相對5.4沒啥變化，除了 default_charset = "UTF-8" 這個須要設置
=======================
關鍵來了，如何配置php-fpm服務呢？
編輯 /etc/systemd/system/php-fpm2.service
[Unit] Description=The PHP FastCGI Process Manager @develop After=syslog.target network.target Before=nginx.service [Service] #Type=forking Type=notify PIDFile=/run/php-fpm/php-fpm2.pid ExecStart=/opt/local/sbin/php-fpm -c /opt/php56.ini --fpm-config /etc/php-fpm2.conf ExecReload=/bin/kill -USR2 $MAINPID PrivateTmp=true WatchdogSec=30 Restart=always [Install] WantedBy=multi-user.target
注意上面PIDFile, ExecStart的參數變化了。另外Type用原來的forking也行，不過改爲notify有個好處下面說。
修改 /etc/nginx/nginx.conf文件
http {
upstream php_servers{
server unix:/run/php-fpm/php-fpm0.sock;
server unix:/run/php-fpm/php-fpm1.sock;
#server unix:/run/php-fpm/php-fpm2.sock ;
#server unix:/run/php-fpm/php-fpm3.sock ;
}
upstream php_servers2{
#server unix:/run/php-fpm/php-fpm0.sock;
#server unix:/run/php-fpm/php-fpm1.sock;
server unix:/run/php-fpm/php-fpm2.sock ;
server unix:/run/php-fpm/php-fpm3.sock ;
}
而後修改nginx站點配置，在測試網站指定使用php_servers2做爲解析
location ~ \.php$ {
try_files $uri =404; # 屏蔽日誌中 Primary script unknown
access_log off;
log_not_found off;
#fastcgi_pass php_servers;
fastcgi_pass php_servers2;
include fastcgi.conf;
}
重啓服務
sudo systemctl daemon-reload sudo systemctl start php-fpm2 sudo systemctl reload nginx
這樣多版本PHP就同時跑起來了。
看看php-fpm2.service 的狀態呢
$ sudo systemctl status php-fpm2 php-fpm2.service - The PHP FastCGI Process Manager -develop Loaded: loaded (/etc/systemd/system/php-fpm2.service; enabled) Active: active (running) since Thu 2015-09-24 16:19:08 CST; 1 day 4h ago Main PID: 21928 (php-fpm) Status: "Processes active: 1, idle: 39, Requests: 197553, slow: 0, Traffic: 17.2req/sec" CGroup: /system.slice/php-fpm2.service ├─ 2841 php-fpm: pool www3 ├─ 2845 php-fpm: pool www3 ├─ 2846 php-fpm: pool www2 ├─ 2847 php-fpm: pool www3
看到這一行沒？
Status: "Processes active: 1, idle: 39, Requests: 197553, slow: 0, Traffic: 17.2req/sec"
這就是notify類型的特點，能夠提供實時統計數據。
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