Linux environment (JDK 7 + Tomcat 7 + MySQL5.5) _ MySQL

Linux (JDK 7 + Tomcat 7 + MySQL5.5) deployment environment Tomcat 7 Tomcat

JDK 0: Download JDK http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html 1: Uninstall (root user) 1.0: query installed jdk # rpm-qa | grep jdk *** # rpm-qa | grep java *** 1.1: remove by name (-e indicates deletion,-nodeps indicates forced deletion to prevent association between JDK and program, resulting in deletion failure !) # Rpm-e-nodeps *** 1.2: run java-version again. if the prompt-bash: java-version: command not found is displayed, the following scheme does not need to be continued. jdk is deleted successfully. 1.3: manually delete folders (-f indicates deleting the entire folder and sub-directories) # rm-f/usr/bin/java # rm-f/usr/bin/javac # rm-f/etc/alternatives/java # rm-f/etc/alternatives/javac 2: installation (root user) 2.1: add operation permissions to each user # chomd + x jdk _*. *. *. rpm 2.2: install JDK # rpm-ivh jdk _*. *. *. rpm 2.3: modify the following configuration file | -- # cd/switch to the root directory | -- # cd ect configuration file directory | -- # vi. /profile modify the/etc/profile File (all users in the world) | -- # Open the profile and press I to enter the editing mode. add the following content at the end: # set java environment export JAVA_HOME =/usr/share/ Jdk1.7.0 _ 60 export PATH = $ JAVA_HOME/bin: $ PATH export CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar | -- # Press catl + c to enter the Normall mode. input # wq to save and close | -- # find-name. bash_profile: locate bash_profile. /skel /. bash_profile | -- # vi. /skel /. bash_profile. modify. bash_profile file (which allows a user to use these environment variables) | -- # After opening the profile, press I to enter the editing mode, and add the following at the end: export JAVA_HOME =/usr/java/jdk1.7.0 _ 60 # first check whether your jdk is also in this directory. export PATH = $ JAVA_HOME/bin: $ PATH ex Port CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tools. jar | -- # Press catl + c to enter Normall mode. input # wq to save and close | -- # source/etc/profile takes effect after execution 2.4: Test [root @ localhost ~] # Vim Hello. java public class Hello {public static void main (String [] args) {System. out. println ("hello World") ;}} [root @ localhost ~] # Javac Hello. java [root @ localhost ~] # Java Hello World 3: More details http://www.2cto.com/os/201211/171035.html------------------------------------------------------------------------------------------------------------------Tomcat 0 :: http://tomcat.apache.org/download-70.cgi 1: unzip tomcat # unzip xxx.zip # zip unzip # tar-zxvf xxx.tar. gx # tar extract 2: move tomcat to/usr/java/tomcat [version]; (recommended) # mv-rf tomcat_x.x.x/usr/java/tomcat [version] 3: configure tomcat environment (optional) # vim/etc/profile = # add the following configuration to the end: export TOMCAT_HOME =/usr/java/tomcat7/bin export CATALINA_HOME =/usr/java/tomcat7 # its purpose: it can be executed in any directory. /shutdown. sh OR. /startup. sh 4: Test access: http://localhost:8080 5: then you can package the web project into a zip file and upload the project to the server through pscp xx user @ ip: // xx in the cmd window. Then decompress the package on the server and restart tomcat to run the package: http://blog.sina.com.cn/s/blog_866c5a5d0101cn1l.html------------------------------------------------------------------------------------------------------------------MySql 0: Download website: http://dev.mysql.com/downloads/mysql/5.1.html 1: install server [root @ localhost ~] # Rpm-ivh xxx. emp; 2: install client [root @ localhost ~] # Rpm-ivh xxx. emp; 3: MySql important directory | -- Database Directory [root @ localhost ~] #/Var/lib/mysql | -- configuration file [root @ localhost ~] #/Usr/share/mysql (mysql. server and configuration file) | -- related command [root @ localhost ~] #/Usr/bin/(mysqladmin | mysqldump) | -- start the script [root @ localhost ~] #/Etc/rc. d/init. d (Directory of the mysql startup script file) 4: start mysql [root @ localhost ~] #/Etc/init. d/mysql start 5: check the port number in use (if 3306 is enabled successfully) [root @ localhost ~] # Netstat-nat Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 127.0.0.1: 2208 0.0.0.0: * LISTEN tcp 0 0 0.0.0.0: 776 0.0.0.0: * LISTEN tcp 0 0 0.0.0.0: 3306 0.0.0.0: * LISTEN tcp 0 0 0.0.0.0: 111 0.0.0.0: * LISTEN 6: After the password is set, mysql has a default user root, no password. [Root @ localhost ~] #/Usr/bin/mysqladmin/-u root-p password 123456 7: log on to mysql [root @ localhost ~] # Mysql-u root-p 123456 8: Query Database show databases 9: query table use test show tables 10: stop mysql [root @ localhost ~] #/Usr/bin/mysqladmin-u root-p shutdown 11: Common Cause 11.1: mysql 13: 07 after linuxe is started, mysql of linuxe cannot be connected in windows. error: 1130-host... is not allowed to connect to this MySql server open mysql remote connection without using localhost solution http://www.cnblogs.com/xyzdw/archive/2011/08/11/2135227.html Grant all privileges on *. * TO 'username '@' % 'identified by 'password' with grant option; flush privileges; 12: for details, refer: http://www.t086.com/article/638------------------------------------------------------------------------------------------------------------------

During our study, we will all encounter many strange problems, but such a strange problem is a valuable experience for us to improve. Therefore, do not worry too much or blame yourself. Patiently calm down and solve the problem.