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Command summary:mkdir Create directory make Directorys (full name)-P (Recursive)Ls-l (Long) d (dieectory) displays the directory or file name list. -A (can show hidden files)Ls-f=ls-p (to view the file with different symbols at the end of the

The following describes the Linux security settings, network firewalls (iptables, NAT, Layer7, diff, Patch, SELinux)First, the firewall1. Firewall Foundation(1), firewallFirewall, which is an isolation tool that works on the host and network edge.

Introduction to Linux Primer basics1. Introduction of computer hardware compositionThe computer is mainly composed of CPU (calculator, controller), memory, I/O, external storage and so on.CPU is mainly used for binary data operation, it extracts

Useradd Useradd [-C comment] [-D Home_dir] [-E Expire_date] [F Inactive_time] [G Initial_group] [G group[,...]] [m [-K Skeleton_dir] |-m] [-s Shell] [-U uid [-O]] [-N] [-R] Login useradd-d [G Default_group] [-B default_home] [F

Bash commandBasic commandsFile Operations CommandText commandSystem common CommandsSoftware source (software warehouse)VI directiveUbuntu DirectoryExecutable fileFile type (typically the first character of a file listed with the LS command)Ubuntu

1. System Management class command     shutdown [option]  time        -r:  Restart          -h:  shut down         -c:  cancel restart shutdown command          2. Time Format     now        +#  : #分钟以后 DATEDATEMMDDHHMM[CC]

ctrl + a  switch to the command line start this operation is the same as the home implementation, but home in some UNIX environment can not be used, it is possible to use this combination; Vim under Linux, this is also valid; In many of the Windows

The CD command is used to switch the working directory to dirname. Where dirname notation can be either an absolute path or a relative path. If the directory name is omitted, it is transformed to the user's home directory (that is, the directory

What is the difference between anftp get command and a mget command ?get Download only one file at a time, mget can download more than one file at a time, and support wildcard characters, it is necessary to note that in mget, you need to choose y/n

Recently in learning Linux from 0, it took 10 days to get basic commands and a realistic use of operational learning points fur. Many Linux commands are summarized here for reviewDirectory structure:/: root directory, usually under the sub-directory,

wildcard characters are typically used for the user's command-line Bash environment, while Linux regular expressions are used in Grep/sed/awk scenarios. * --wildcard characters (0 to more )? --wildcard character, representing any 1 characters;

The previous chapter has been talking about the operation of vim text, this chapter is mainly about vim file operation.Some of the concepts and traditional text editors in this chapter are different. Therefore, it is necessary to pay attention to

First, the HTTPS service must be built with an HTTPS certificate. This certificate can be viewed as an application-level certificate. The reason for this is that the HTTPS certificate is generated based on the CA certificate. For official websites,

LoggingLogging moduleLet's look at an example.Import logginglogging.debug ("This isdebug message") logging.info ( "This isinfo message") logging.warning ("Theiswarning message ")Operation Result:WARNING:root:this is WARNING messageNote: Three

What is SHTML The HTML file name extension using SSI (server Side include), SSI (server Side include), commonly referred to as "server-side Embedded "or" server-side contains "is a kind of ASP-like server-based Web page production technology. How

The OS module provides new/delete/view file properties for directories or files, and also provides path actions for files and directories. For example: absolute path, parent directory ... os.sepCan replace the operating system-specific path

DOS command (i) md--to build subdirectories 1. Function: Create a new subdirectory 2. Type: Internal command 3. Format: md[Letter: [path name]〈 subdirectory name] 4. Instructions for use: (1) "Disk character": Specifies the letter of the disk drive

Too simple to say, just find a manual can find, here to say some tips, but also recently used to force out of the study, hehe, but quite convenient. 1. Global replacement(1) v + G + $ Select all, then enter: s/original string/target

The following instructions are reproduced directly in the Frankie author. How to run Frankie Linux LiveCD from the hard drive 1. All content on the disc is copied to a FAT32 partition [e.g. D:/frankie, note file name must be less than 8 letters in

First, the system installation 1, according to the WINDOWS2003 installation CD-ROM prompts installation, by default, 2003 did not install IIS6.0 installed in the system. 2, the installation of IIS6.0 Start Menu-> Control Panel-> Add or Remove