Linux

See Dr. Zhao Jiong's "Linux 0.11 source code comment" has been two or three weeks, starting from today, some personal summary and sentiment sub-standard inscribed out, chat for memory for later review.In the/linux/boot/bootsect.s of linux0.11 source

1) &Example: Ping baidu.com &This is used at the end of a command, you can put this command in the background to execute, but this is also possible because the terminal exit causes the process ye to exit2) nohup background operation ( recommended

CD commandUseful: Jump DirectoryUsage: Enter the CD plus the directory you want to jump to, here are a few thingsExample:One, enter the subdirectory of the current directoryMy current directory is/home/jim,　　There are a lot of folders under this

The Find command is a common file Finder tool for Linux systems, and can also be used to perform appropriate operations on files found.FormatFind [path found] [find condition] [processing action]Default behavior:Find path: Default is not specified

Linux files are usually divided into 7 major categories File type Abbreviation English name Normal file - Regular file Catalog files D Directory file Block device

1, configure LINUXIP address #setup2. Start the network card# Vi/etc/sysconfig/network-scripts/ifcfg-ech0Change Onboot=no to Onboot=yes3. Restart the NIC service# Service Network Resart4, set the virtual machine network connection mode (cont.)VMNET0

How does a computer work? (summary)--Three magic weapon Stored program computer working model, the most basic logical structure of computer system; The function call stack, the high-level language to run the foundation, only the machine

Learning Linux also has a period of time, say how you feel now. From the Windows colorful interface, suddenly turned to the dark command line, suddenly feel very good. In addition to feeling a great accident, in fact, I do not have anything. The

PS. He Bong Original works reproduced please specify the source "Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-10000290001.mykernelExperimental Guidance (how the operating system works)Use the lab building virtual machine

Pwd-p returns the true path of the linkCd/usr/srcCd..CD-CD HomeLs-alLs-ld/rootLs-ltCp/etc/hosts/tmp/hostCp-r/var/log//tmpFind-name Hello.docFind/root-name "*.log"Find-iname "Jacob"Find/-emptyFind/-group TomFind/-mtime-3Find/-mtime +4Find/-mtime

Text processing on Linux "threesome"grep, Egrep, Fgrep: Text Search tool; Search operations on a given text based on "pattern";Regular Expressions: Regular expression, REGEX, a pattern written by a class of special characters and text characters,

Many windows are familiar with the ipconfig command-line tool, which is used to obtain and modify network interface configuration information. The Linux system has a similar tool, the ifconfig (Interfaces config). You typically need to log in as

Errors that may occur when Insmod: (question 5 is the actual problem you are experiencing, others are learning from his experience)1.warning:function declaration isnt a prototypeThis kind of error is also very common, mainly for some of the

　A What is Umask?　　         when we log into the system and create a file that always has a default permission, how does this permission come from? That's what Umask did. Umask set the user to create the default permissions of the file, it is the

Summary of Common commands in Linux (7) Security Settings and Common commands in linux Security Settings Category Command Option Annotation Security PolicySelinux Setenforce Number (0, 1)

Summary of common Linux commands (5) disk management and common linux commands Disk Management Command Option Annotation Example Df [Option] Display disk space usage Displays the disk

User and permission management in centos 7 1. user, group knowledge is related commands A. user category: Administrator: root Common users: System User: Used to run service programs only; Login User: normal user of system resources; User ID: UserID,

Inotify + rsync for real-time synchronization deployment, inotifyrsync 1. Architecture Planning 1.1.1 Architecture Planning preparation Server System Role IP Centos6.7 x86_64 NFS-server-inotify-tools) 192.168.1.14

Linux Telnet Service Linux Telnet Service Compared with ssh, telnet provides low security performance. However, you must enable this service when upgrading the ssh version or in other cases. The services provided by linux are executed by daemon, the

Elasticsearch 2.2.0 Word Segmentation: Chinese Word Segmentation Elasticsearch has many built-in analyzers, but the default word divider does not support Chinese very well. Therefore, you need to install plug-ins separately. The common ones are the