Linux

tab: Auto-completion command or path ESC+u: Capitalize character lowercase ctrl+s: Freeze Stdinctrl+ q in terminal: Restore Stdinctrl in terminal+ A: Cursor moves to the beginning of CTRL+e: The cursor moves to the end of the lineCtrl +C: kills the

Common parametersFormat: lsb_releaseFormat: lsb_release-vView the version information for the LSB itself.Format: lsb_release-aPrint all information about the distribution of this system, such as the ID of the distribution, description information,

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Fstab File DescriptionThe Fstab file contains information about the storage device and its file system on your computer. It is a file that determines how a hard disk (partition) is used or integrated into the entire system. Specifically: Using Fstab

What is LVM?LVM is a logical volume manager that can integrate multiple physical partitions to look like a large disk, and the greatest use of LVM is to elastically adjust the file system's capacity.Several concepts related to LVM The PV

in the How to record terminal operations on LinuxRecording a terminal operation can be an easy way to help others learn Linux , display a series of correct command-line operations, and share knowledge. For whatever purpose, copying and pasting

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1) Install Pipwget--no-check-certificate https://pypi.python.org/packages/e7/a8/ 7556133689add8d1a54c0b14aeff0acb03c64707ce100ecd53934da1aa13/pip-8.1.2.tar.gz#md5= 87083c0b9867963b29f7aba3613e8f4a2) Install django1.9.7Pip install django==1.9. 7Tar

1, first plan to install on the virtual machineAllocate a total of 200G of disk space, planning partitions four are:/(similar to the C-drive sda2 in Windows),/boot (similar to Windows hidden files, is the system startup related files, in Linux is

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Dump the traffic on a network. Packet analysis tools that intercept packets on the network based on the user's definition.It can intercept the "head" of packets sent from the network to provide analysis.It supports filtering on the network layer,

1. Display the line beginning with at least one blank character in/boot/grub/grub.conf;[[email protected] ~]# grep ' ^[[:space:]]\+ '/boot/grub/grub.conf root (hd0,0) kernel/vmlinuz-2.6.18-128.e L5 ro root=label=/rhgb quiet

The user's environment variable profile does not present a problem=================================================Simulation Environment:[Email Protected]_apache ~]# su-12[Email Protected]_apache ~]$ ll-aTotal 24DRWX------. 2 4096 Jul 18

1.linux Configuration ip:ifconfig Command Temporary configuration ifconfig eth0 192.168.254.200 netmask 255.255.255.0Setup tool permanently configures Setup service network restartModify the network configuration file

1. command formatls [OPTION] ... [FILE] ...2. Command functionList all subdirectories and files in the destination directory3. Command Parameters- A lists all files under the directory, including the. the implied file at the beginning. -B lists

The execution name of this program$n the nth parameter value of this program, n=1..9$* all parameters of this program, this option can have more than 9 parameters.$# the number of parameters for this program$$ the PID of this program (the current

1. Producer--Consumer modelThe function to use:Sem_init () initializationSem_destroy () DestructionSem_wait () Application, consumption resources (hang up when the application is not reached)Sem_post () Production resourcesSingle producer-Single

Prerequisites: Xshell is already installed in the Windows system, and virtual machine software and Linux systems are installedStep 1. Under root in the Linux system, use the Ifconfig command to view the IP address of the virtual system Linux.

Notes for shared libraries in linux-fpic, linux shared library-fpic -Fpic must be added to the compilation shared library. Why? First, let's look at a simple example: #include int fun1(){ printf("fun1\n");} Generate a library without

Linux ring buff simulates multi-thread semaphore operations, linuxbuff The mutex variable value is not 0, that is, 1. It can only be used to represent critical resources in two states. Semaphores are similar to the one used to represent available