Linux learning document-Enthusiasm & nbsp; 10 years

Global Environment Variable: etcprofile (the system takes effect when a user logs on) for example: exportJAVA_HOMEusrjavajdk1.6.0_20exportPATH $ PATH: $ JAVA_HOMEbinexportCLASSPATH.: $ JAVA_HOMElibdt.jar: $ export global login

 

Global Environment Variable:/etc/proFile(The system takes effect when a user logs on)
For example:ExPort JAVA_HOME =/usr/java/jdk1.6.0 _ 20
ExportPATH = $ PATH: $ JAVA_HOME/bin
Export CLASSPATH =.: $ JAVA_HOME/lib/dt. jar: $ JAVA_HOME/lib/tooLs. Jar
Export JAVA_HOME PATH CLASSPATH

Global logon self-run program settings:/etc/bashrc (executed when a user logs on to the system)

User-level environment variables :~ /. Bash_profile (the system takes effect when the user logs on)
User-level logon self-running program settings :~ /. Bashrc (executed when the user logs on to the system)

Set auto-start service:ChkconfigOr add it to the/etc/rc. local file.

Modify the startup level:
In the/etc/inittab file
Id: 5: initdefault
3: With Network ServicesCommandRow Mode
5: graphic user interface mode

Start X Window: startx or xinit.

System firewall: service iptables start | stop | restart

FtpService (vsftp ):
Start: service vsftpd start
Disable: service vsftpd stop
/Etc/rc. d/init. d/vsftpd start | stop | restart
Default root directory:/var/ftp/
Anonymous user: anonymous
File structure of vsftp:
/Usr/sbin/vsftpd ---- main program of VSFTPD
/Etc/rc. d/init. d/vsftpd ---- start the script
/Etc/vsftpd. conf ---- main configuration file
/Etc/pam. d/vsftpd ---- PAM Authentication File
/Etc/vsftpd. ftpusers ---- disable VSFTPD User List Files
/Etc/vsftpd. user_list ---- prohibit or allow VSFTPD User List Files
/Var/ftp ---- anonymous user home directory
/Var/ftp/pub ---- download directory of Anonymous Users
/Etc/logrotate. d/vsftpd. log ---- log File

MySQL database:
Start:/etc/init. d/mysql start
Stop:/usr/bin/mysqladmin-u root-p shutdown
Set password:/usr/bin/mysqladmin-u root password 123456
Run the SQL file: source SQL file;
Logon: mysql-u root-p
Username: root
Password: tiger

Apache server:
Start | stop | restart:/mine/apache2/bin/ApachectlStart | stop | restart

ToMcAt container:
Start:/mine/tomCat6/bin/startup. sh
Or/mine/tomcat6/bin/catalina. sh
Stop:/mine/tomcat6/bin/shutdown. sh
Username: admin
Password: admin

Common commands:
Ls ---- display file. -L: displays details. -A: displays all files.
Chown---- Change the file owner
Chmod---- Change File Permissions
More---- View File Content
Mount "device name" "directory name" ---- mount a device
Find.-Name perl * ---- search for files starting with perl in the current directory.
Grep---- Comprehensive searchRegular ExpressionExpression and print it out
Rpm ---- (rEdHat package manage ). -Qa: view all installed software packages.
-E: "name": uninstall the "name" package. -Ivh: "name" to install the "name" software package.
-I: installation. -V and-h: output the installation information.
GZip-D ---- SolutionCompressionGz file. -D:Extract.
Tar-xvf ---- decompress the tar file. -X: extract. -V: detailed process description. -F: file.
Ps-ef | gref tomcat ---- view the process information with the tomcat name. Ps: Observe which processes are available.-ef: lists all processes in the current system.
Kill-9 process ID ---- forcibly kill the process with the ID. -9: force-killing.
Wget http: //... ---- access the Internet through the command line.
Halt---- Shutdown