maintenance mode

Feel yourself Right Linux understanding has not been enough, so recently turned to read a "Brother Bird's Linux Private Cuisine ". This is a basic book, lofty high-rise floor, will not much but can learn. This is a few of my knowledge points,

Hard disk partition:First sector (512bytes):Msr:master Boot Record (446bytes) primary boot partitionPartion table: (64bytes) partition table, four. It can be a primary partition (primary) or an extended partition (Extended), with each table pointing

Linux startup processReference: http://www.ruanyifeng.com/blog/2013/08/linux_boot_process.html The loads the kernel, first reading the kernel files in the/boot directory. The initiates the initialization process/sbin/init, which

The last time I wrote Linux files and operations, this time continue to write Linux disk and file management system.First, we need to get to know the EXT2 file system, which is the most traditional Linux disk system.1.EXT2 File SystemBefore you say

POST (Power on Self Test) power-on from the BIOS (Boot Sequence)--MBR (bootloader)-->kernel--INITRD---Rootfs (/SB In/init)Here is a detailed explanation of each startup process:Post (Power onself Test) power-on self-test The computer itself does not

1. User identifier UID and GID/etc/passwd articlePiece structure: There are several lines that represent a few accounts in your system with each line: Split, altogether 7 fields.               1. Account name 2. Password: Get up early Unix, now put

Environment: Debian 7.0Load BIOS1. Starting with the click of the Power key, first load the BIOS for hardware detection, then read the boot device according to the configuration, then read boot Loader, the main boot Loader in Linux is grub. The boot

To change the root password:$ passwd root or sudo passwd root$password: (requires an old password)$new Password: (enter two times new password)What if I forget the root password? You do not need to reinstall to log in in single-player maintenance

Hello everyone, today is a good day, also just contact with Cisco's new online conferencing equipment, initially thought does not support SSL certificate, and later by looking at this device is the perfect support of our SSL certificate, has

About the router's fault there are many, many people do not understand its troubleshooting methods, the following to the network router for example, to introduce a more complex fault, this fault is representative. First, the network router as a

SCO OpenServer 5.0.5, as a highly efficient and stable multi-user operating system with high security performance, has been widely used in finance, insurance and telecommunication departments. In the daily maintenance work of the system, some system

Upgrade Serial number: XMQ2Y-4T3V6-XJ48Y-D3K2V-6C4WT How to upgrade to the official version of the VS2008 trial version vs. VS2008 Trial Expiration Solution [registration code] The VS2008 trial period will come, or has expired, or after the

WIN8 system or Win8.1 system to set the charging threshold method. Lenovo Notebook is the first choice for many small partners, there are also some special features, such as in WIN8 or Win8.1 system can set the battery charge threshold, the charging

Install Equation Editor in Word2003 (1) When you install Office 2003, the Equation Editor will not be installed by default if you use a typical installation method. Therefore, if the user cannot find the Microsoft Formula 3.0 option in the Object

Laravel Factory has a user authentication system, we look at the routes.php, if deleted, add on: Route::controllers ([ ' auth ' => ' auth\authcontroller ', ' password ' => ' Auth\passwordcontroller ' )] ; You can use the PHP

This article introduces the basic usage of the Mount/umount command in Linux and automatic mount, the following methods are as follows: The Mount command format is as follows: Format: Mount [-parameters] [device name] [Mount Point] Among the

First, directory structure The overall directory structure of Linux is to follow FHS (filesystem hierachy Standard); /bin: The instructions that are used to store the boot and the instructions that can be used in the single user maintenance mode;/

The powerful Linux system service management tool that has recently come into contact with Systemctl, in addition to the 3 common instructions for System V, service, and Chkconfig, has a number of practical features that are commonly used

Introduction and features of Minidao Minidao is JEECG's own persistence solution, which integrates hibernate entity maintenance and mybaits SQL separation advantages. Has the following characteristics L/O mapping do not need to set XML, 0

If a user has a detailed understanding of a command, you can use the Man command. For example, to understand the details of the LS command, the command line writing format is as follows: [Root @teacherroot]# Mans ls Note: Commands are case-sensitive