Linux

Install JDK under Linux under centOS6.5Contact qq:413607496, we can discuss with each other.1, download the required JDK version, unzip the version of the.such as: jdk-7u79-linux-x64.tar.gz2, install your virtual machine, and install a good Linux

VMware Virtual machine Installation centOS6.4 x64System partitionRemote Login ToolCreate a snapshot of a virtual machineCloning a virtual machineSuspending a virtual machineThe primary partition has a maximum of 4Take one of the primary partitions

Linux:rtcHardware clock: HwclockSystem clock: DateHow to get the use of commands help :internal command: Help commandExternal command: Command HelpCommand Manual : ManualMans COMMANDCatalogue sub-chapters (Bin,/usr/bin,/user/local/bin)1: User

Bridging mode: If your host is connected to Wi-Fi (local network), then view the commands in the Windows System Ipconfig-all view the wireless network connectionThe gateway configured in Linux is the same as the local gateway, and the DNS address is

1. VersionStable version: Even version like 2.6.XIn the developing version: Odd version like 2.5.XLinux distribution contains a complete set of systems consisting of Linux kernel + free Software + documentation + fully-installed programs.2.

1. Date Display System dates2, mkdir xx create xx directoryrmdir xx Delete xx directory (empty directory)RM-RF xx Delete xx directory (not empty directory)3, vi xx Create a file to write-->esc-->:wqRm-f xx (or rm xx) Delete a fileMV X1 X2 MV can be

You can use Crontab to add Scheduled tasks, set the restartRoot user can create folder cron (mkdir cron) in the current root directoryExecute command: CD cronEdit file: Cat cron_restart > * * * sudo rebootDescription: Restart daily 18:18CTRL + D

Tag: SSAs Linu returns the start command to perform the tar execution in art LinuxAfter each basic command executes, there is a return code, which is represented by $, and the return code that executes successfully is 0, for example:If [$?-ne

1, Disk partitioningDisk partitioning is a few logical parts of a disk that are partitioned using the partition editorPartition typePrimary partition: Can only have up to 4Extended partition: Up to 1, primary partition and extended partition can

First, the network security model1. Introduction of FirewallFirewall (Firewall): Also known as a protective wall, It is a network security system located between the internal network and the external network. A set of hardware or software that works

File Lookup commandLocate: Non-real-time fuzzy query, high efficiency, according to the System file database queryManually updating the file database: UpdateDBFind: Real-time search, precise but slow-name: Exact Search by file name-iname: File name

File Management commands: CP, MV, RMCP Command: Copysource file; target file;Single source copy: CP [OPTION] ... [-T] SOURCE DESTMulti-source replication: CP [OPTION] ... SOURCE ... DIRECTORY CP [OPTION] ...-t DIRECTORY SOURCE ...Single source copy:

Command form:pushd [dir | +n |-n] [-n]1. The pushd command without parameters will exchange two directories at the top of the directory stack, equivalent to using the cd– command.2. The stack bottom of the directory stack holds the working directory

grep should be a search tool that all Linux developers use every day, with its easy-to-use, powerful win large majority of people's favorite, skilled use of grep can greatly improve the efficiency of the tool, the following summarizes my work in the

How to locate files in the file system quickly and efficiently? Linux provides us with some commands for file lookup classes, and we need to master the following commands:http://blog.csdn.net/sailor201211/article/details/53290470whichThe command

SyncToy v2.1-Microsoft Sync Tool: It keeps your files synchronized on different disks and folders and can be handled at will, even entering a UNC to process files on a network drive and information on any device.1. Installing SyncToyThe installation

When the installation file does not have permissionsPermission settingssudo chmod-r 777 file nameUnable to use sudoPkexec chmod go-w/usr/lib/sudo/sudoers.soWhen the local address can't be openedTurn off the firewall and try again.Systemctl Stop

Linux basics [Article 5], Article 5 Linux permission bit The permissions of Linux files or directories are controlled by nine permissions. Each of the three permissions is a group of file owner permissions, group permissions, and other user

Linux learning, linux Linux CommandSu: Switch the Swith user to the root user.Cat: ConcatenateUname: Unix name system nameDf: Disk free hard DiskDu: Disk usage hard Disk usageChown: Change ownerChgrp: Change group Change User groupPs: Process

Linux-graphical Remote Management Protocol, linux-Remote Management Remote Management and Control: RDP (remote desktop protocol) protocol; Telnet; SSH (Secure Shell ); RFB (Remote FrameBuffer) protocol (graphical Remote Management Protocol)