linux CentOS YUM 安裝 nginx+tomcat+java+mysql運行環境

Java環境配置

1 安裝JDK

查看CentOS自帶JDK是否已安裝javascript

1
[root@ test  ~] # yum list installed |grep java

如有自帶安裝的JDK,應以下操做進行卸載CentOS系統自帶Java環境php

1
2
3
4
5
6
7
8
9
10
[root@ test  ~] # java -version
java version  "1.7.0_181"
OpenJDK Runtime Environment (rhel-2.6.14.8.el6_9-x86_64 u181-b00)
OpenJDK 64-Bit Server VM (build 24.181-b00, mixed mode)
 
[root@ test  ~] # yum -y remove java-1.7.0-openjdk*
[root@ test  ~] # yum -y remove tzdata-java.noarch
 
[root@ test  ~] # java --version
- bash /usr/bin/java : No such  file  or directory

查看yum庫中的Java安裝包css

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
[root@ test  ~] # yum -y list java*
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: centos.ustc.edu.cn
* extras: centos.ustc.edu.cn
* updates: centos.ustc.edu.cn
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
Available Packages
java-1.5.0-gcj.x86_64 1.5.0.0-29.1.el6 base
java-1.5.0-gcj-devel.x86_64 1.5.0.0-29.1.el6 base
java-1.5.0-gcj-javadoc.x86_64 1.5.0.0-29.1.el6 base
java-1.5.0-gcj-src.x86_64 1.5.0.0-29.1.el6 base
java-1.6.0-openjdk.x86_64 1:1.6.0.40-1.13.12.6.el6_8 updates
java-1.6.0-openjdk-demo.x86_64 1:1.6.0.40-1.13.12.6.el6_8 updates
java-1.6.0-openjdk-devel.x86_64 1:1.6.0.40-1.13.12.6.el6_8 updates
java-1.6.0-openjdk-javadoc.x86_64 1:1.6.0.40-1.13.12.6.el6_8 updates
java-1.6.0-openjdk-src.x86_64 1:1.6.0.40-1.13.12.6.el6_8 updates
java-1.7.0-openjdk.x86_64 1:1.7.0.111-2.6.7.2.el6_8 updates
java-1.7.0-openjdk-demo.x86_64 1:1.7.0.111-2.6.7.2.el6_8 updates
java-1.7.0-openjdk-devel.x86_64 1:1.7.0.111-2.6.7.2.el6_8 updates
java-1.7.0-openjdk-javadoc.noarch 1:1.7.0.111-2.6.7.2.el6_8 updates
java-1.7.0-openjdk-src.x86_64 1:1.7.0.111-2.6.7.2.el6_8 updates
java-1.8.0-openjdk.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-debug.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-demo.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-demo-debug.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-devel.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-headless.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-headless-debug.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-javadoc.noarch 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-javadoc-debug.noarch 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-src.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java-1.8.0-openjdk-src-debug.x86_64 1:1.8.0.101-3.b13.el6_8 updates
java_cup.x86_64 1:0.10k-5.el6 base
java_cup-javadoc.x86_64 1:0.10k-5.el6 base
java_cup-manual.x86_64 1:0.10k-5.el6 base
javacc.x86_64 4.1-0.5.el6 base
javacc-demo.x86_64 4.1-0.5.el6 base
javacc-manual.x86_64 4.1-0.5.el6 base
javassist.noarch 3.9.0-6.el6 base
javassist-javadoc.noarch 3.9.0-6.el6 base

以yum庫中java-1.8.0爲例, "*"表示將java-1.8.0的全部相關Java程序都安裝上html

1
[root@ test  ~] # yum -y install java-1.8.0-openjdk*

查看剛安裝的Java版本信息。
輸入:"java -version" 可查看Java版本
輸入:"javac" 可查看Java的編譯器命令用法java

 

 

2 yum 安裝 tomcat

1、環境搭建準備
一、先到tomcat官網https://tomcat.apache.org/查看下載路徑mysql

   我下載的tomcat-9 如: nginx

http://mirrors.shu.edu.cn/apache/tomcat/tomcat-9/v9.0.16/bin/apache-tomcat-9.0.16.tar.gz

 

進入目錄:web

cd /usr/local/

  

wget下載安裝包sql

wget http://mirrors.shu.edu.cn/apache/tomcat/tomcat-9/v9.0.16/bin/apache-tomcat-9.0.16.tar.gz

 

解壓:apache

tar -zxvf apache-tomcat-9.0.16.tar.gz

目錄說明:

bin             --啓動命令目錄
conf           --配置文件目錄      *重點
lib              --庫文件目錄
logs           --日誌文件目錄      *重點
temp         --臨時緩存文件
webapps  --web應用家目錄    *重點
work         --工做緩存目錄

 

5. 啓動Tomcat:

./bin/startup.sh

6 關閉Tomcat:

./bin/shutdown.sh

  

7 開機啓動:

在/usr/lib/systemd/system目錄下增長tomcat9.service文件,內容以下:

[Unit]
Description=Tomcat
After=syslog.target network.target remote-fs.target nss-lookup.target
  
[Service]
Type=oneshot
ExecStart=/usr/local/tomcat/bin/startup.sh
ExecStop=/usr/local/tomcat/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
RemainAfterExit=yes
 
[Install]
WantedBy=multi-user.target

  

退出並保存,執行systemctl enable tomcat使tomcat9隨開機啓動

systemctl enable tomcat9.service

 

另外命令 

systemctl start tomcat9.service    啓動tomcat

systemctl stop tomcat9.service    關閉tomcat   

systemctl restart tomcat9.service    重啓tomcat 

固然啓動和結束tomcat也能夠到tomcat的安裝目錄的bin目錄下執行shutdown.sh  startup.sh來完成

 

四、查看tomcat默認端口8080是否開啓

複製代碼
[root@localhost ~]# netstat -ntlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN      1/systemd           
tcp        0      0 0.0.0.0:6000            0.0.0.0:*               LISTEN      3832/X              
tcp        0      0 192.168.122.1:53        0.0.0.0:*               LISTEN      3739/dnsmasq        
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      3378/sshd           
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      3380/cupsd          
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      3655/master         
tcp        0      0 127.0.0.1:6010          0.0.0.0:*               LISTEN      9873/sshd: root@pts 
tcp        0      0 127.0.0.1:6011          0.0.0.0:*               LISTEN      6137/sshd: root@pts 
tcp        0      0 127.0.0.1:6012          0.0.0.0:*               LISTEN      10234/sshd: root@pt 
tcp6       0      0 :::8009                 :::*                    LISTEN      9804/java           
tcp6       0      0 :::3306                 :::*                    LISTEN      7196/mysqld         
tcp6       0      0 :::111                  :::*                    LISTEN      1/systemd           
tcp6       0      0 :::8080                 :::*                    LISTEN      9804/java           
tcp6       0      0 :::6000                 :::*                    LISTEN      3832/X              
tcp6       0      0 :::22                   :::*                    LISTEN      3378/sshd           
tcp6       0      0 ::1:631                 :::*                    LISTEN      3380/cupsd          
tcp6       0      0 ::1:25                  :::*                    LISTEN      3655/master         
tcp6       0      0 ::1:6010                :::*                    LISTEN      9873/sshd: root@pts 
tcp6       0      0 ::1:6011                :::*                    LISTEN      6137/sshd: root@pts 
tcp6       0      0 ::1:6012                :::*                    LISTEN      10234/sshd: root@pt 
tcp6       0      0 127.0.0.1:8005          :::*                    LISTEN      9804/java     
複製代碼

3、瀏覽器打開:http://192.168.0.8:8080  出現如下界面說明成功

 

 

centos7系統庫中默認是沒有nginx的rpm包的,因此咱們本身須要先更新下rpm依賴庫

1.)使用yum安裝nginx須要包括Nginx的庫,安裝Nginx的庫

#rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm

 

2.使用下面命令安裝nginx

#yum install nginx

3.啓動nginx

#service nginx start
或者
#systemctl start nginx.service

4.中止nginx

nginx -s stop

5.從新加載nginx配置文件

nginx -s reload

6.nginx指定項目路徑 注:修改配置文件默認用戶名爲root

 

 

1、安裝Nginx

下載源:wget http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm

安裝源:yum install nginx-release-centos-6-0.el6.ngx.noarch.rpm -y(注意-y參數)

安裝Nginx:yum install nginx

啓動Nginx服務:service nginx start

中止Nginx服務:service nginx stop

查看Nginx運行狀態:service nginx status

檢查Nginx配置文件:nginx -t

服務運行中從新加載配置:nginx -s reload

添加Nginx服務自啓動:chkconfig nginx on

2、修改防火牆規則

修改Nginx所在主機的防火牆配置:vi /etc/sysconfig/iptables,將nginx使用的端口添加到容許列表中。

例如:-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT (表示容許80端口經過)

修改Tomcat所在主機的防火牆配置:vi /etc/sysconfig/iptables,將tomcat使用的端口添加到容許列表中。

例如:-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT (表示容許8080端口經過)

若是主機上有多個tomcat的話,則按此規則添加多條,修改對應的端口號便可。

保存後重啓防火牆:service iptables restart

3、Tomcat負載均衡配置

Nginx啓動時默認加載配置文件/etc/nginx/nginx.conf,而nginx.conf裏會引用/etc/nginx/conf.d目錄裏的全部.conf文件。

所以能夠將本身定製的一些配置寫到單獨.conf文件裏,只要文件放在/etc/nginx/conf.d這個目錄裏便可,方便維護。

建立tomcats.conf:vi /etc/nginx/conf.d/tomcats.conf,內容以下:

upstream tomcats { ip_hash; server 192.168.0.251:8080; server 192.168.0.251:8081; server 192.168.0.251:8082; }

修改default.conf:vi /etc/nginx/conf.d/default.conf,修改以下:

#註釋原有的配置 #location / { # root /usr/share/nginx/html; # index index.html index.htm; #} #新增配置默認將請求轉發到tomcats.conf配置的upstream進行處理 location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header REMOTE-HOST $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://tomcats; #與tomcats.conf裏配置的upstream同名 }

保存後從新加載配置:nginx -s reload

4、靜態資源分離配置

修改default.conf:vi /etc/nginx/conf.d/default.conf,添加以下配置:

#全部js,css相關的靜態資源文件的請求由Nginx處理 location ~.*\.(js|css)$ { root /opt/static-resources; #指定文件路徑 expires 12h; #過時時間爲12小時 } #全部圖片等多媒體相關靜態資源文件的請求由Nginx處理 location ~.*\.(html|jpg|jpeg|png|bmp|gif|ico|mp3|mid|wma|mp4|swf|flv|rar|zip|txt|doc|ppt|xls|pdf)$ { root /opt/static-resources; #指定文件路徑 expires 7d; #過時時間爲7天 }

5、修改SELinux安全規則

若是訪問Nginx時出現502 Bad Gateway錯誤,則多是Nginx主機上的SELinux限制了其使用http訪問權限引發的,輸入命令setsebool -P httpd_can_network_connect 1 開啓權限便可。

文件/etc/nginx/nginx.conf完整配置以下:

user  nginx; worker_processes auto; error_log /var/log/nginx/error.log warn; pid /var/run/nginx.pid; worker_rlimit_nofile 100000; events { use epoll; multi_accept on; worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log /var/log/nginx/access.log main; sendfile on; server_tokens off; #tcp_nopush on; keepalive_timeout 65; gzip on; gzip_disable "msie6"; gzip_static on; gzip_proxied any; gzip_min_length 1000; gzip_comp_level 4; gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript; include /etc/nginx/conf.d/*.conf; }

文件/etc/nginx/conf.d/default.conf完整配置以下:

server { listen 80; server_name localhost; #charset koi8-r; #access_log /var/log/nginx/log/host.access.log main; #location / { # root /usr/share/nginx/html; # index index.html index.htm; #} location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header REMOTE-HOST $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://web_servers; } location ~.*\.(js|css)$ { root /opt/static-resources; expires 12h; } location ~.*\.(html|jpg|jpeg|png|bmp|gif|ico|mp3|mid|wma|mp4|swf|flv|rar|zip|txt|doc|ppt|xls|pdf)$ { root /opt/static-resources; expires 7d; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root /usr/share/nginx/html; } # proxy the PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ \.php$ { # proxy_pass http://127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # #location ~ \.php$ { # root html; # fastcgi_pass 127.0.0.1:9000; # fastcgi_index index.php; # fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name; # include fastcgi_params; #} # deny access to .htaccess files, if Apache's document root # concurs with nginx's one # #location ~ /\.ht { # deny all; #} }

注意:若是執行命令時沒有root權限,請在命令前面加上 sudo 執行。

bin             --啓動命令目錄
    conf           --配置文件目錄      *重點
    lib              --庫文件目錄
    logs           --日誌文件目錄      *重點
    temp         --臨時緩存文件
    webapps  --web應用家目錄    *重點
    work         --工做緩存目錄
相關文章
相關標籤/搜索