linux 相关配置操作 待总结.doc

linux 相关配置操作 待总结1. chmod755jdk-6u45-linux-x64.bin2. ./jdk-6u45-linux-x64.bin3. vi/etc/profile4. exportJAVA_HOME=/usr/java/jdk1.6.0_455. exportJRE_HOME=/usr/java/jdk1.6.0_45/jre6. exportJAVA_BIN=/usr/java/jdk1.6.0_45/bin7. exportPATH=$PATH:$JAVA_HOME/bin8. exportCLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib9. exportJAVA_HOMEJAVA_BINPATHCLASSPATH10. ./etc/profile11. javaversion出现以下错误1. rootLVS/#java-version2. javaversion1.5.03. gij(GNUlibgcj)version4.4.720120313(RedHat4.4.7-16)4. 5. Copyright(C)2007FreeSoftwareFoundation,Inc.6. Thisisfreesoftware;seethesourceforcopyingconditions.ThereisNO7. warranty;notevenforMERCHANTABILITYorFITNESSFORAPARTICULARPURPOSE.8. rootLVS/#whichjava9. /usr/bin/java10. rootLVS/#ls/usr/bin/java-l11. lrwxrwxrwx.1rootroot22Aug1023:39/usr/bin/java-/etc/alternatives/java12. rootLVS/#/etc/alternatives/java13. Usage:gijOPTION.CLASSARGS.14. toinvokeCLASS.main,or15. gij-jarOPTION.JARFILEARGS.16. toexecuteajarfile17. Trygij-helpformoreinformation.18. rootLVS/#ll/etc/alternatives/java19. lrwxrwxrwx.1rootroot35Aug1023:39/etc/alternatives/java-/usr/lib/jvm/jre-1.5.0-gcj/bin/java20. rootLVS/#alternatives-install/usr/bin/javajava/usr/java/jdk1.7.0_72/jre/bin/java30021. rootLVS/#java-version22. javaversion1.5.023. gij(GNUlibgcj)version4.4.720120313(RedHat4.4.7-16)24. 25. Copyright(C)2007FreeSoftwareFoundation,Inc.26. Thisisfreesoftware;seethesourceforcopyingconditions.ThereisNO27. warranty;notevenforMERCHANTABILITYorFITNESSFORAPARTICULARPURPOSE.28. rootLVS/#alternatives-configjava29. 30. Thereare2programswhichprovidejava.31. 32. SelectionCommand33. -34. *+1/usr/lib/jvm/jre-1.5.0-gcj/bin/java35. 2/usr/java/jdk1.7.0_72/jre/bin/java36. 37. Entertokeepthecurrentselection+,ortypeselectionnumber:238. rootLVS/#java-version39. javaversion1.7.0_7240. Java(TM)SERuntimeEnvironment(build1.7.0_72-b14)41. JavaHotSpot(TM)64-BitServerVM(build24.72-b04,mixedmode)tomcat配置1. tarzxvfapache-tomcat-7.0.47.tar.gz2. vicatalina.sh3. JAVA_OPTS=-Xms1024m-Xmx1024m-XX:MaxNewSize=512m-XX:MaxPermSize=512m-Djava.awt.headless=true-Dfile.encoding=UTF-8-Dsun.jnu.encoding=UTF-84. cygwin=falseserver.xml1. 4. 并发优化配置1. 利用cronolog 分割Tomcat日志1. #tar-xvzfcronolog.tar.gz2. #cdcronolog3. #./configure-prefix=/usr/local/cronolog4. #make5. #makeinstall6. #whichcronolog7. /usr/local/sbin/cronolog8. #vibin/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 $ start / $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/jdk chmod a+x /etc/init.d/tomcat3. chkconfig -add tomcatMysql安装配置1. rpm-qa|grep-imysql2. rpm-emysql-libs-nodeps3. rpm-ivhMySQL-server-5.5.36-1.linux2.6.x86_64.rpm4. rpm-ivhMySQL-client-5.5.36-1.linux2.6.x86_64.rpm5. cp/usr/share/mysql/my-innodb-heavy-4G.cnf/etc/f6. vi/etc/f7. client8. default-character-set=utf89. mysqld10. character_set_server=utf811. init_connect=SETNAMESutf81. log_bin_trust_function_creators=true1. updateusersethost=%whereuser=root;/这个命令执行错误时可略过2. updateusersetSelect_priv=Y,Insert_priv=Y,Update_priv=Y,Delete_priv=Y,Create_priv=Y,Drop_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_view_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=Ywhereuser=rootandhost=localhost3. flushprivileges;4. UPDATEuserSETpassword=PASSWORD(newpassword)WHEREuser=root;忘记密码1. vi/etc/f2. mysqld3. skip-grant-tables4. #/etc/init.d/mysqlrestart5. mysqlUSEmysql;6. mysqlUPDATEuserSETPassword=password(new-password)WHEREUser=root;7. mysqlflushprivileges;8. vi/etc/f将刚才在mysqld的段中加上的skip-grant-tables删除转移数据库目录1. #/etc/init.d/mysqlstop2. mv/var/lib/mysql/data/3. vi/etc/f4. client5. #socket=/var/lib/mysql/mysql.sock6. socket=/data/mysql/mysql.sock7. mysqld8. #socket=/var/lib/mysql/mysql.sock9. socket=/data/mysql/mysql.sock10. vi/etc/init.d/mysql11. #datadir=/var/lib/mysql12. datadir=/data/mysql13. chown-Rmysql:mysql/data/mysql/14. ln-s/data/mysql/mysql.sock/var/lib/mysql/mysql.sockMysql Error：1018：cant read dir of ./dbname 1. chown-Rmysql:mysql/data/mysql/定时任务添加1. yum-yinstallvixie-cron2. yum-yinstallcrontabs3. vi/etc/crontab4. SHELL=/bin/bash5. PATH=/sbin:/bin:/usr/sbin:/usr/bin6. MAILTO=root7. HOME=/8. #run-parts9. 01*rootrun-parts/etc/cron.hourly10. 024*rootrun-parts/etc/cron.daily11. 224*0rootrun-parts/etc/cron.weekly12. 4241*rootrun-parts/etc/cron.monthly13. 0*/2*root/opt/scripts/DBDailyBak.sh14. servicecrondstartMysql数据备份，删除10天前数据，DBDailyBak.sh1. filename=$(date+%Y%m%d%H)2. /usr/bin/mysqldump-uroot-pron-quick-all-databases-flush-logs-single-transaction/mnt/data/backup/daily/$filename.sql3. tarczvf/mnt/data/backup/daily/$filename.tar.gz/mnt/data/backup/daily/$filename.sql4. rm-f/mnt/data/backup/daily/*.sql5. find/data/backup/daily-typef-mtime+10|xargsrm-fmysql数据库是否开启了InnoDB引擎1. mysqlSHOWENGINES;2. mysqlSHOWVARIABLESLIKEhave_%;3. mysqlSHOWVARIABLESLIKEplugin_dir;4. mysqlSHOWPLUGINS;5. mysqlINSTALLPLUGINInnoDBSONAMEha_innodb.so;删除MySQL目录下的ib_logfile0和ib_logfile1相关文件，修改f 下default-storage-engine = InnoDB重启数据库；注意数据备份，防止万一出错如果是InnoDB: memory with malloc! Total allocated memory这个原因，系统内存不足修改配置文件里innodb_buffer_pool_size=2G开启linux端口1. vi/etc/sysconfig/iptables重启1. /etc/init.d/iptablesrestartlinux时间设置1. cp/usr/share/zoneinfo/Asia/Shanghai/etc/localtimelinux系统FTP服务器配置与管