learning process for Linux
the course system of Linux
version of Unix:
version of Linux
linux shutdown, user logon, user logoff
use of the VI editor
Files directory for Linux:
Note:The/usr directory is equivalent to the program files on Windows, the default path for software Installation
Management of Linux users
Linux RunLevel: Similar to Windows startup mode, Safe mode, normal operation mode, etc.
to resolve the method of modifying the error configuration
Note: The system does not scan the contents of/etc/inittab files only when the single user mode is started. In addition, user passwords can be modified in single-user mode. Space 1 Press B to restart the system into single user mode
Common commands:Find
REDIRECT :
file owners, groups, and other groups
file owner
The group where the files are
change the group in which the files are
Add a group, specify a group
file Permissions
Modify permissions for a file or directory
Linux installation Java in virtual machines
Note: Package The Linux installation package for the software you need to install into an ISO file and then load it into the CD-ROM
To mount the optical drive:In/Catalog input: mount/mnt/cdrom/
To unmount the optical drive:umount/mnt/cdrom/
second type of mount-shared folder:
installation of Java
Note: You need to first copy the software to the/home directory Bin File installation method: 1)./*.bin2) Enter Yes to agree to its terms tar.gz file installation method: TAR-ZXVF *.tar.gz
Adding environment Variables1.vi/etc/profile2.3. Log out and re-login to take effect
installation and startup, shutdown of EclipseAfter installing Eclipse 1) startx into graphical interface 2) 3) Close, close the Eclipse window directly, and then logout into the text interface Note:./eclipse & Place Eclipse in the background
MyEclipse installation and start-up, shutdown1)./*.bin2) automatically enters the graphical interface 3) Select the installation directory for Eclipse 4) Select MyEclipse installation directory 5) Start eclipse (./eclipse)
Tomcat installation and startup, shutdown1) Install: TAR-ZXVF *.tar.gz2) Configure Tomcat and JDK location on Eclipse 3) build project, publish, view in browser
MySQL, Oracle installation and startup, shutdown
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installation of entertainment software
installation of Realplay1) Install:./*.bin2) Start:./realplay
Linux Partitioning
several partition-related commands:To view the instructions for which partition a directory is in: [[email protected] ipnet]# Df/boot
Filesystem 1k-blocks used Available use% mounted on
/DEV/SDA1 297485 29486 252639 11%/boot
[[email protected] ipnet]# mount the disk to a directory: mount/dev/sda1/test/uninstall uname/test/
Drive Distinction:[Email protected] ipnet]# fdisk-l
disk/dev/sda:21.5 GB, 21474836480 bytes
255 heads, Sectors/track, 2610 cylinders, total 41943040 sectors
Units = sectors of 1 * MB = bytes
Sector size (logical/physical): bytes/512 bytes
I/O size (minimum/optimal): bytes/512 bytes
Disk identifier:0x0004af36
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 616447 307200 Linux
/dev/sda2 616448 37814271 18598912-up Linux
/dev/sda3 37814272 41943039 2064384, Linux Swap/solaris
You have new mail in/var/spool/mail/root
[Email protected] ipnet]#
Note: 1, 2, 3 are primary partitions view files larger than 1G find. -size +1000000
partitioning recommendations for Linux
shell-similar to Dos
Shell Learning Books recommended
Common Shell Categories
View the currently used shellEnv Modify Shell
Note: To allow the modified shell to take effect, log out
Command Completion command
HistoryOSI and TCP/IP protocol
recommended Books for TCP/IP learningQQ chat to explain TCP/IP:
IP Address:
How to configure network adapter for Linux
Note: This configuration is temporary and will expire after a reboot.
RPM Package
the name format of the RPM package
common commands for RPM
installation of RPM packages
Upgrade RPM Package
installation of Samba services
unloading of RPM packages
crontab
Threads and Processes
PS Command
Information options for PS
Stop process command Kill/killall (Kill the sub-process altogether)
TOP
description of the top parameter
Setting the system time
command to display network statistics netstat
NETSTAT-ANP ==lsof
Traceroute/route
MySQL
installation of MySQL under Linux
notes:
Add the MySQL bin path to the root environment variable
Note: A logout operation is required after adding an environment variable.or you can add to/etc/profile (this is the system environment variable, each user is applied) file.
use of MySQL database
back up the MySQL database
Note: The current root user does not have a password
schematic diagram of the SSH tool
Recommended Use ToolsSSH Secure Shell
Supplement
set up Tomcat to start when a user logs onModify the. bashrc file under the current user's home directory as follows:
Note: If you want all users to do this, you can add commands directly to the/ETC/BASHRC
temporarily add environment variables (no more after exiting)
wildcard, escape character
aliases
Linux Start-up process
zip compression and unzip decompression
gzip compression and Gunzip decompression
Hanshunping Linux Video Teaching study notes
