Ubuntu下安装JDK+TOMCAT+MYSQL
点击Ubuntu的系统=gt;系统管理=gt;新立得软件包管理器搜索jdk mysql关键字,在搜索列表中选择要安装的软件源一:配置~/.bashrc
点击Ubuntu的系统=>系统管理=>新立得软件包管理器
搜索jdk mysql关键字,在搜索列表中选择要安装的软件源
一:配置~/.bashrc文件
JDK的默认安装路径/usr/lib/jvm/
在~/.bashrc配置文件中添加
JAVA_HOME=/usr/lib/jvm/java-1.5.0-sun
JAVA_BIN=/usr/lib/jvm/java-1.5.0-sun/bin
PATH=$JAVA_HOME/bin:$PATH
TOMCAT_HOME=/home/portal/apache-tomcat-6.0.13
CLASSPATH=.:$JAVA_HOME/lib:$TOMCAT_HOME/lib
export JAVA_HOME JAVA_BIN PATH TOMCAT_HOME CLASSPATH
二:配置/etc/environment
在/etc/environment配置文件中添加
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
LANG="zh_CN.UTF-8"
LANGUAGE="zh_CN:zh"
CLASSPATH=".:/usr/lib/jvm/java-1.5.0-sun/lib"
JAVA_HOME="/usr/lib/jvm/java-1.5.0-sun/"
三:Mysql授权远程访问
mysql>GRANT ALL PRIVILEGES ON *.* TO admin@localhost IDENTIFIED BY 'password' WITH GRANT OPTION;
mysql>GRANT ALL PRIVILEGES ON *.* TO admin@% IDENTIFIED BY 'password' WITH GRANT OPTION;
第一句增加了一个admin用户授权通过本地机(localhost)访问,,密码“password”。第二句则是授与admin用户从任何其它主机发起的访问(通配符%)。
$sudo gedit /etc/mysql/my.cnf
老的版本中
>skip-networking => # skip-networking
新的版本中
>bind-address=127.0.0.1 => bind-address= 你机器的IP
或者将bind-address=127.0.0.1=>#bind-address=127.0.0.1注注释掉
重启MYSQL服务 $sudo /etc/init.d/mysql restart
则可以远程访问MySQL了。
四:关于Ubuntu MySQL字符乱码
$sudo gedit /etc/mysql/my.cnf
[client]
default-character-set=utf8
[mysqld]
default-character-set=utf8
重启MYSQL服务 $sudo /etc/init.d/mysql restart

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To deploy a JAR project to Tomcat, follow these steps: Download and unzip Tomcat. Configure the server.xml file, set the port and project deployment path. Copies the JAR file to the specified deployment path. Start Tomcat. Access the deployed project using the provided URL.

To allow the Tomcat server to access the external network, you need to: modify the Tomcat configuration file to allow external connections. Add a firewall rule to allow access to the Tomcat server port. Create a DNS record pointing the domain name to the Tomcat server public IP. Optional: Use a reverse proxy to improve security and performance. Optional: Set up HTTPS for increased security.

To deploy multiple projects through Tomcat, you need to create a webapp directory for each project and then: Automatic deployment: Place the webapp directory in Tomcat's webapps directory. Manual deployment: Manually deploy the project in Tomcat's manager application. Once the project is deployed, it can be accessed by its deployment name, for example: http://localhost:8080/project1.

Tomcat installation directory: Default path: Windows: C:\Program Files\Apache Software Foundation\Tomcat 9.0macOS:/Library/Tomcat/Tomcat 9.0Linux:/opt/tomcat/tomcat9 Custom path: You can specify it during installation. Find the installation directory: use whereis or locate command.

The Tomcat website root directory is located in Tomcat's webapps subdirectory and is used to store web application files, static resources, and the WEB-INF directory; it can be found by looking for the docBase attribute in the Tomcat configuration file.

How to check the number of concurrent Tomcat connections: Visit the Tomcat Manager page (http://localhost:8080/manager/html) and enter your user name and password. Click Status->Sessions in the left navigation bar to see the number of concurrent connections at the top of the page.

The Tomcat port number can be viewed by checking the port attribute of the <Connector> element in the server.xml file. Visit the Tomcat management interface (http://localhost:8080/manager/html) and view the "Status" tab. Run "catalina.sh version" from the command line and look at the "Port:" line.

Running projects with different port numbers on the Tomcat server requires the following steps: Modify the server.xml file and add a Connector element to define the port number. Add a Context element to define the application associated with the port number. Create a WAR file and deploy it to the corresponding directory (webapps or webapps/ROOT). Restart Tomcat to apply changes.
