LiNux Second Week study notes (a)2.18 Special Permissions Set_uidSet_uid: This permission is for the binary executable, so that the file has the file owner's permissions during the execution phase. ----------------------------------------------------
I used to think that learning Linux is boring, and the command is tedious and difficult to remember, in fact, Linux also has a lot of fun commands, these commands may immediately let your B-grid ascension, or become a programmer to the girl's
Linux Second week study notes (TEN)2.16 Umask umask command: Used to change the default permissions for files and directories, in the format: umask * * * ( *** represents 3 number). View the value of umask umask you can. By default,
The 1.echo output character, or the value of the output variable. 2.date%y: Year;%m: month;%d: day;%H: Hour, 24-hour system,%I: Hour, 12-hour system,%m: minutes,%s: seconds,%F: year-month-day,%T: hour-minute-second;-S: set date and time; 3.reboot
Last chapter, this chapter is the Linux remote login system operation NoteFirst, Linux is generally used as a server, but the server is in the room, it is not often run to the computer room to the operating system, so the use of remote login system,
Recently in the use of CentOS7 desktop version, when typing with Wubi, some words do not come out, such as "overlay." But it can be played under win.From the Internet to find the reason, it is necessary to change to the GBK character set. Here's how:
1. System directory structure: root//boot: Storage System boot must file/etc: Storage of system and program configuration files/dev: Storage of hard disk, CD-ROM, mouse and other hardware equipment files/bin: Storage System common user Basic command
Sort Commandis very useful in Linux, it will sort the files and output the sorting results standard. The sort command can get input from either a specific file or from stdin.GrammarSort (options) (parameters)Options-B: Ignores the space character
1.[[email protected] ~]# Mkdir/dataMake directory Create directory[Email protected] ~]# Ls-ld/dataDrwxr-xr-x. 2 root root 6 Jan 23:28/data2.~ on behalf of the home directory/Represents the root directory3.[[email protected]/]# CD/Change Directory
Linux Bond modeThrough multiple network card binding technology can not only increase the reliability of the server, but also increase the available network broadband, to provide users with uninterrupted network services;Seven types of bond
Recently in the learning go language, want to install IDE liteide, in accordance with this tutorial to install, when the implementation ./build_linux.sh of the qmake commend not found word, so in the online search, said that the cause of this
Linux Second week study notes (9)2.15 change owner and owning group ChownChown (change owner) command: change the owner, or change the owning groupChown-r command: the chown command only takes effect on the file or directory, only the user and the
Transferred from: http://www.cnblogs.com/kerrycode/p/4391859.htmlIn the Windows system, we can use the TreeSize tool to find some large files or folders, very convenient and efficient, in the Linux system, how to search for some of the larger files?
Find CommandThe Find command is used to search for additional search commands: LS \whereis locate (yum install-y mlocate after installation received manual generation of corresponding database updatedb)Format: find[path [Type]Find [path]-name
Mounting a windows nfs network hard disk in linux
Set NFS server in Windows
1. Install hanewin nfs servergfb
Bfv2
2. Double-click the installation package to install it.
3. Localization and Registration
Chinese: copy the chinese. ini folder
Linux Command: ss, linux Command ss
Ss is short for Socket Statistics. As the name suggests, the ss command can be used to obtain socket statistics, which can display content similar to netstat. But the advantage of ss is that it can display more
Question: iptables filters the address of the mongodb link, iptablesmongodb
HOST: aws ec2 linux
Service: mongodb
Iptables rules:
1. The host allows the specified pc to access port 27017.
Iptables-I INPUT-p tcp -- dport 51376-m mac --
Use pscp to remotely copy files between Windows and Linux servers.
During work, each time you deploy an application, you need to copy files from the local Windows server to Linux, and sometimes copy the files on Linux to the local computer. These
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