Linux

How to create a file system after partitioning a hard disk (how Windows is formatted for partitions, formatted with the FAT32 file system, or formatted with the NTFS file system). Linux mainly uses EXT2,EXT3 partition format for partition format.

First, grepgrep familygrep, Egrep, FgrepGlobally search a Regular Expression and PrintFind according to the pattern we provide and display the matching lines in the filePattern: pattern, a match condition consisting of a pure string or a

1. System startup and server Process ManagerRH5 6 Start the init process first System VRH7 using SYSTEMD is the manager of the system startup and server processesCharacteristics:parallelization function, 10-process parallel bootStart the daemon on

This article summarizes from:Https://www.ibm.com/developerworks/cn/linux/l-cn-hardandsymb-links/index.html#fig2A file can be represented by:where the filename is the name we can see.The inode is included in the metadata (metadata), which records

I. Introduction to the command lineThe command line is a text-based interface that you can use to enter instructions into a computer system.the Linux command line is provided by a program called Shell. When a normal user enables the shell, the

Root node:/, all files are mounted under this, directory structure and partition devices are not related, different directories can span different disk devices and partitions1. View partitions:[Email protected] downloads]#

disk array-the integration of multiple disks into a larger disk through a certain technology, not only increased capacity, but also the data on the disk has the function of maintenance, recovery, read faster. RAID has different common

Theory: 1. Common file Systems Linux文件系统: ext2, ext3, ext4, xfs, btrfs, reiserfs, jfs, swap（交换分区）iso9660(光盘) Windows：fat32, ntfs Unix: FFS, UFS, JFS2 网络文件系统：NFS, CIFS 集群文件系统：GFS2, OCFS2 分布式文件系统：ceph, moosefs, mogilefs, GlusterFS,

Linux notebook machine must be shut down immediatelysudo shutdown -t nowSet fish as the default shellchsh -s /usr/bin/fishInstalling the SSH Servicesudo apt install sshdMake your sudo taunt you with the wrong passwordsudo visudo然后在配置中加入如下一行：Defaults

Linux common commands (Common Commands for Linux)1. Statement, this article only write based on the Bash shell commonly used commands, if you encounter the command in the course of use, may be updated, the command has been replaced, please go to the

View the status of the current SELinux[Email protected] ~]# GetenforceTemporarily close SELinux[Email protected] ~]# Setenforce 0Permanently close SELinux[[email protected] ~]# vim/etc/selinux/config change selinux=enforcing to selinux=disabled

2.27linux and Windows inter-pass filesWith Xshell Software#yum install-y LrzszLinux to Windows, command for #sz a.txt save to Windows as promptedWindows to Linux, command to select Windows files for #rz, then save to current directory3.1 User

Disk Quotas--linux as a multi-user operating system, in real life will occur in a common use of a disk, in order to ensure the effective use of a disk, the use of disk must be limited, so disk quotas (quota) is a very useful tool

First, prefaceWhen a user-space program calls the SWI instruction to initiate a kernel service request, the program actually completes a "traversal" that passes from the user state to the kernel state. This process is a bit like the weekend you at

First, prefaceThis paper mainly describes the synchronous processing in the main scheduler (schedule function).Ii. Introduction of process schedulingThere are two kinds of process switching, one is that when a process cannot continue because it

JDK configuration tutorial in Linux and linuxjdk configuration tutorialJDK configuration tutorial in Linux Download JDK from linux View the local linux version Command: uname-a: The 64-bit system is displayed.Download the appropriate jdk version

Linux Nginx installation tutorial and linuxnginx tutorial Linux Nginx installation tutorial. 1. Download Nginx. Wget http://nginx.org/download/nginx-1.6.2.tar.gz 2. Install prec? ? Yum install prec-devel-y 3. Install OpenSSL? ? Yum-y install

Deep understanding of sudo, [Root @ cairui ~] # Cat/etc/sudoers # Sudoers allows special users to run varous commands as # the root user, without needing the root password. # sudoers allows specific users to execute various commands as rot without

How to add a virtual IP address (VIP) to centos 7 in Linux O & M The role of virtual ip in high availability will be discussed later. Today, let's look at how to configure a virtual IP address for the server, that is, to allocate multiple IP

How can I resize A Linux partition when it is full ?, Linux partition full resizing The figure shows that the usage of the mount point "/" has been moved to 100%, and the space is insufficient. Therefore, you need to partition the mount point. 1.