Linux

Device The code of the device within Linux IDE Hard Drive /DEV/HD[A-D] SCSI HDD /DEV/SD[A-P] U disk /DEV/SD[A-P] (same as SCSI HDD) CDROM /dev/cdrom

The operating system manages and allocates hardware resources to the upper output system to invoke excuses, simplifying the design of the application. If you want to use system resources, you need a voucher: UserCreate, modify, and delete user

Linux system autofs automatic mount ServiceAuto-Mount AutoFS commandInvolving the service Haldaemon and Messagebus two services related to ensure that two services are turned on.Now you want to automatically mount the/share/soft and/share/iso two

First day content:1. Preparation of class environment2. Basic knowledge of computer and operating system3. Basic knowledge of computer and operating system 24, Linux system installation and preliminary understandingFirst, blogging requirements: 5w1h

User account Management:User account management, add, delete, modifyUser Password ManagementUser Group ManagementFirst, user account management1. Add User, Useradd#useradd option User Name-C Comment Specifies a descriptive description of the

1. Vmtool >> only use mode >> SVGA log2. Sougou >> emacs Emacs Php-mode Emmet-mode >> chromium and Flash >> FIREFOX Developer Edition and FLA SH >> xampp >> bootstrap bootstrap-snippet >> jQuery >> thinkphpClose Guest >> Close lock screen >> create

1.CD entering the catalogue2../shuntdown.sh Stop Tomcat 3.ps-ef |grep + process name View process status 4. Kill+ process name strong kill kill-9 + process5./startup.sh & Background Launch6.tail-f catalina.out Console viewing logs7. output file:

Command formatID [OPTION] ... [USERNAME]Command parameters-AIgnored and designed only for compatibility with other versions.-Z,--contextDisplays only the security environment for the current user.-G,--groupOnly valid user group IDs are displayed.-G,-

# uname-a # View kernel/Os/cpu information# head-n 1/etc/issue # view OS version# cat/proc/cpuinfo # View CPU Information# hostname # View computer name# LSPCI-TV # list all PCI devices# LSUSB-TV # list all USB devices# lsmod # List of loaded kernel

Scp-r/home/space/music/[Email protected]:/home/root/others/remote server copy fileCopy from remote to localSCP [Email protected]/172.19.2.75:/home/root/full.tar.gz/home/daisy/full.tar.gzLS-LHT will list the size of all files in the current directory

The PS command is used to list the processes currently running on the system. Use this command to determine which processes are running and running, whether the process is complete, if the process is dead, which processes are consuming too many

Let's take a look at the permissions of these two files:[Email protected] ~]# ls-ld/usr/bin/passwd/tmpDRWXRWXRWT 4 root root 4096 June 2 17:33/tmp-rwsr-xr-x 1 root root 22984 Jan 7 2007/usr/bin/passwdThe S and T here are for execution

Chapped Linux Rootpassword:After the boot. Click "E" to enter maintenance mode. Select "Kernel Options", for example, to see the following

650) this.width=650; "src=" http://blog.chinaunix.net/attachment/201209/23/26495963_1348382510SRUx.png "border=" 0 " height= "402" width= "474" style= "border:0px;" alt= "26495963_1348382510srux.png"/>Start the first step --load the BIOSwhen you

SVN download ProjectThis address: Http://blog.csdn.net/caroline_wendyUse SVN. Download the project on Git.$ mkdir Chunyu_trunkCreate a Directory$ lsView List$ svn Co https://dev.cxxxyx.mobi/svn/android/SxxxxRxxxDxxxx/branches/recode_60/ .Checkout

System# uname-a # View kernel/Os/cpu information# head-n 1/etc/issue # view OS version# cat/proc/cpuinfo # View CPU Information# hostname # View computer name# LSPCI-TV # list all PCI devices# LSUSB-TV # list all USB devices# lsmod # List of loaded

First, download the QT source package to this machine, and then unzip#tar zxvf qt-x11-opensource-src-4.3.2.tar.gz-c/usr/local//Unzip the qt-x11-opensource-src-4.2.3.tar.gz source package to/usr/ Local directory (recommended decompression

Start the virtual machine system, the popup error box prompt does not start:The virtual machine ' cntos7.1 ' have terminated unexpectedly during startup with exit code 1.Return code:Ns_error_failure (0x80004005)Component:MachineInterface:Imachine {66

System settingsDefault output device: Standard output,stdout,1Default input device: standard input,stdin,0Standard error Output:STDERR,2Standard input: KeyboardStandard output and Error output: Display1. Output redirection  >: Overwrite output>>:

When we put the Java program into a jar, and put it on Linux to execute via Putty or other terminal, if we follow the following: Java-jar Xxxx.jar execution, when we exit putty or terminal, Xxxx.jar This program will also stop. In order to ensure