????????θ?Linux????????????????????????????????????ò????????顣??????????Σ????????к???衢???????????ε???????????鷳????????Щ??????￡????????
??????????MySQL
????mysql -h 192.168.1.100 -u root -p
??????MySQl??root??????????
?????????user  ????? 23456 ?????testDB?????????б??select??insert??update??delete????
????grant select??insert??update??delete on testDB.* to user @'%' identified by ' 23456';
???????????
????flush privileges;
????MySQL?2?????????
????show variables like 'max_connections';
??????????????
????vi /etc/my.cnf
???????max_connections= 00(???????????)???????
????max_connections= 500
????????????Linux??????
??????????????????????Linux?????????????Windows????
??????windows??
??????cmd??????У?
????ssh-keygen -t rsa
????????3????????????C????????μ?.ssh????????????

????id_rsa??????id_rsa.pub??????
??????linux??
??????У?
????ssh-keygen -t rsa
????????3?????????cd .ssh/ ?????????
????id_rsa  id_rsa.pub
????????????????????????????????authorized_keys
????touch authorized_keys
???????????????600
????chmod 600 ~/.ssh/authorized_keys
??????windows?????id_rsa.pub???д??authorized_keys?У????漴?ɡ?
?????????????
??????????JDK??????????????jdk-8u65-linux-x64.rpm?AuthParam= 445848743_f 62eddc392f630f3b 4bcded3bc3f 9???????jdk-8u65-linux-x64.rpm?????????￡?
????mv jdk-8u65-linux-x64.rpm?AuthParam= 445848743_f 62eddc392f630f3b 4bcded3bc3f 9 jdk-8u65-linux-x64.rpm
???????JDK
????????JDK
????wget http://download.oracle.com/otn-pub/java/jdk/8u65-b 7/jdk-8u65-linux-x64.rpm?Auth Param= 445848743_f 62eddc392f630f3b 4bcded3bc3f 9
??????????????????jdk -8u65-linux-x64.rpm????777???
????`chmod 777 jdk-8u65-linux-x64.rpm`
???????
????rpm -ivh jdk-8u65-linux-x64.rpm
??????
????java -version
???????????????
????????????????????
????vi + /etc/profile
?????????????????????????
????JAVA_HOME=/usr/java/jdk .8.0_65
????JRE_HOME=/usr/java/jdk .8.0_65
????PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
????CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
????export JAVA_HOME JRE_HOME PATH CLASSPATH
??????????????Ч??
????source /etc/profile
????centos???yum???nginx
???????????
????rpm -ivh http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
??????yum??nginx?????
????yum info nginx
?????????
????yum install nginx
???????nignx??
????service nginx start
???????????????????
????http:// 92. 68. . 00/
??????????
????Welcome to nginx!
????If you see this page?? the nginx web server is successfully installed and working. Further configuration is required.
????For online documentation and support please refer to nginx.org.
????Commercial support is available at nginx.com.
????Thank you for using nginx.
????????????
????* ?????????Щ????????????????(????Linux?汾????????????)