1. File type:
Query all files in the bin directory:
-: file
Beginning: soft link
d Start: Directory file
2. File permissions:
r: read permission
w: write
Category: Linux
Linux is a free-to-use and freely disseminated Unix-like operating system. It is a multi-user, multi-tasking, multi-threaded and multi-CPU operating system based on POSIX and UNIX. It can run major UNIX tools, applications, and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits Unix’s network-centric design philosophy and is a multi-user network operating system with stable performance.
Common Linux command
common linux commands
Task Manager: top
View the specific available parameters and object format of the command
Display string or variable in terminal
Display system time an
NFS sharing service
NFS Network File System C/S
rpc 111 remote procedure call mechanism
S: set a shared directory
C: mount Use this shared directory to mount
Server
yum -y install nfs-uti
Install Yum in Linux Environment
If the following error occurs, it means you need to reinstall yum:
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
There are no
[Linux] CP bulk copy file
[Requirements]:
There are 2 folders a, b, now you need to copy all the files (aa.py, a2.py, a3.py) in folder a to folder b (empty folder)
[Solution Method]:
The first thing that c
Linux-w Displays user information of current login systems
The Linux w command is used to display the information of the user currently logged in to the system.
Execute this command to know who is currently logged in to the system and the process the
Linux temperature – 4- file link
ln can link files, similar to windows shortcuts
ln -s zxw.txt z.lnk
Delete the original file
rm zxw.txt After the source file is deleted, as shown in the figure below, the path s
Install the RPM package in the off-network state
Experimental platform: CentOS7
Experimental analysis: The source rpm package in the Linux system is stored in the official yum warehouse, usually We can call the rpm package in the yum wareho
Solve SELINUX can’t start after the Apache changes the port
systemctl start httpd # After changing the default port of Apache to 90, it prompts failure when starting Apache
< span style="font-size: 16px;">systemctl status httpd # View the status of Ap
The creation and expansion of the Linux system LVM logical volume (detailed explanation, graphic
LVM introduction: LVM (Logical Volume Manager) Chinese name: Logical Volume Manager, essentially a virtual device driver, is a new addition between the block device and the physical device in the