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1、linux 相关配置操作 待总结1. chmod 755 jdk-6u45-linux-x64.bin 2. ./ jdk-6u45-linux-x64.bin 3. vi /etc/profile 4. export JAVA_HOME=/usr/java/jdk1.6.0_45 5. export JRE_HOME=/usr/java/jdk1.6.0_45/jre 6. export JAVA_BIN=/usr/java/jdk1.6.0_45/bin 7. export PATH=$PATH:$JAVA_HOME/bin 8. export CLASSPATH=.:$JAVA_HOME
2、/lib:$JAVA_HOME/jre/lib 9. export JAVA_HOME JAVA_BIN PATH CLASSPATH 10. . /etc/profile 11. java version 出现以下错误1. rootLVS /# java -version 2. java version 1.5.0 3. gij (GNU libgcj) version 4.4.7 20120313 (Red Hat 4.4.7-16) 4. 5. Copyright (C) 2007 Free Software Foundation, Inc. 6. This is free softwa
3、re; see the source for copying conditions. There is NO 7. warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 8. rootLVS /# which java 9. /usr/bin/java 10. rootLVS /# ls /usr/bin/java -l 11. lrwxrwxrwx. 1 root root 22 Aug 10 23:39 /usr/bin/java - /etc/alternatives/java 12. ro
4、otLVS /# /etc/alternatives/java 13. Usage: gij OPTION . CLASS ARGS . 14. to invoke CLASS.main, or 15. gij -jar OPTION . JARFILE ARGS . 16. to execute a jar file 17. Try gij -help for more information. 18. rootLVS /# ll /etc/alternatives/java 19. lrwxrwxrwx. 1 root root 35 Aug 10 23:39 /etc/alternati
5、ves/java - /usr/lib/jvm/jre-1.5.0-gcj/bin/java 20. rootLVS /# alternatives -install /usr/bin/java java /usr/java/jdk1.7.0_72/jre/bin/java 300 21. rootLVS /# java -version 22. java version 1.5.0 23. gij (GNU libgcj) version 4.4.7 20120313 (Red Hat 4.4.7-16) 24. 25. Copyright (C) 2007 Free Software Fo
6、undation, Inc. 26. This is free software; see the source for copying conditions. There is NO 27. warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 28. rootLVS /# alternatives -config java 29. 30. There are 2 programs which provide java. 31. 32. Selection Command 33. - 34. *
7、+ 1 /usr/lib/jvm/jre-1.5.0-gcj/bin/java 35. 2 /usr/java/jdk1.7.0_72/jre/bin/java 36. 37. Enter to keep the current selection+, or type selection number: 2 38. rootLVS /# java -version 39. java version 1.7.0_72 40. Java(TM) SE Runtime Environment (build 1.7.0_72-b14) 41. Java HotSpot(TM) 64-Bit Serve
8、r VM (build 24.72-b04, mixed mode)tomcat 配置1. tar zxvf apache-tomcat-7.0.47.tar.gz 2. vi catalina.sh 3. JAVA_OPTS=-Xms1024m -Xmx1024m -XX:MaxNewSize=512m -XX:MaxPermSize=512m -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8 4. cygwin=falseserver.xml1. 4. 并发优化配置1. 利用 cronolog 分
9、割 Tomcat 日志1. #tar -xvzf cronolog.tar.gz 2. #cd cronolog 3. #./configure -prefix=/usr/local/cronolog 4. #make 5. #make install 6. # which cronolog 7. /usr/local/sbin/cronolog 8. # vi bin/catalina.sh1.找到 touch CATALINA_BASE/logs/catalina.out 并注释掉2.找到（注意：有两处） org.apache.catalina.startup.Bootstrap $ st
10、art / $CATALINA_BASE/logs/catalina.out 2&1 &替换为org.apache.catalina.startup.Bootstrap $ start 2&1 | /usr/local/sbin/cronolog $CATALINA_BASE/logs/catalina.%Y-%m-%d.out /dev/null &# $CATALINA_OUT 2&1 &服务安装配置1. 将$Tomcat_HOME/bin 目录下的 catalina.sh 脚本复制到目录/etc/init.d 中，重命名为tomcat2. 修改刚才复制的 tomcat 脚本：在脚本的第三
11、行后面插入下面两行# chkconfig: 2345 10 90# description:Tomcat service第一行是服务的配置：第一个数字是服务的运行级，2345 表明这个服务的运行级是2、3、4 和 5 级（Linux 的运行级为 0 到 6）；第二个数字是启动优先级，数值从 0 到99；第三个数是停止优先级，数值也是从 0 到 99。 第二行是对服务的描述在脚本中设置CATALINA_HOME和JAVA_HOME这两个脚本必需的环境变量，如：CATALINA_HOME=/usr/share/tomcatJAVA_HOME=/usr/share/java/jdkchmod a+x
12、 /etc/init.d/tomcat3. chkconfig -add tomcatMysql 安装配置1. rpm -qa|grep-i mysql 2. rpm -e mysql-libs -nodeps 3. rpm -ivhMySQL-server- 5.5.36-1.linux2.6.x86_64.rpm 4. rpm -ivhMySQL-client- 5.5.36-1.linux2.6.x86_64.rpm 5. cp/usr/share/mysql/ my-innodb-heavy-4G.cnf /etc/f 6. vi /etc/f 7. client 8. default
13、-character-set= utf8 9. mysqld 10. character_set_server=utf8 11. init_connect=SET NAMES utf81. log_bin_trust_function_creators=true 1. update user set host = % where user = root; /这个命令执行错误时可略过2. update user set Select_priv = Y, Insert_priv = Y, Update_priv= Y, Delete_priv = Y, Create_priv = Y, Drop_
14、priv = Y, Reload_priv = Y, Shutdown_priv = Y, Process_priv = Y, File_priv = Y, Grant_priv = Y, References_priv = Y, Index_priv = Y,Alter_priv = Y, Show_db_priv = Y, Super_priv = Y, Create_tmp_table_priv = Y, Lock_tables_priv = Y, Execute_priv = Y, Repl_slave_priv = Y, Repl_client_priv = Y, Create_vi
15、ew_priv = Y, Show_view_priv = Y, Create_routine_priv = Y, Alter_routine_priv= Y, Create_user_priv = Y, Event_priv = Y, Trigger_priv = Y, Create_tablespace_priv = Y where user=root and host=localhost 3. flush privileges; 4. UPDATE user SET password=PASSWORD(new password) WHERE user=root;忘记密码1. vi /etc/f 2. mys
