Linux

First, the Linux main file system type①ext (2/3/4) XFS FFS UFS JFS vfat NTFS② swap file System swap③ Network File System NFS Smbfs④ Distributed File System Ceph⑤ Disc File System isso9660Linux is the most traditional file system is the use of ext,

Permission Settingschmod changing the permissions of a file or directoryFormat chmod parameter file nameR-Read W-write X-ExecuteU-user owner G-group belongs to group o-others others a-all everyone+ Add a permission-Cancel a permission= gives the

This article is a summary of their work encountered in the common Linux commands, will continue to update!1. File path switchGo to CDReturn to the previous level CD.2. CopyCP source file name destination folderCP Log.log TEST53. Edit File VIWhen

Problem: Write a program, try to listen on the 21 port, the result in the execution of bind failed.Sockaddr_in sock_addr;sock_addr.sin_family = af_inet;SOCK_ADDR.SIN_ADDR.S_ADDR = host_inet_addr;Sock_addr.sin_port = htons (port); Port=21ret = bind

Because the default is GB encoding under Windows, and my vim default is Utf-8 (gedit default is also Utf-8), so open will be garbled. Modified the configuration file, so that VI support GB encoding just fine. $vi ~/.VIMRC Let

Disks and partitionsHard disk partitions are divided into primary partitions, extended partitions, and logical partitions. A hard disk can have up to 4 primary partitions, where one primary partition can be replaced with an extended partition, and a

1. I/O redirection: Modify the default input and output devicesstdout/output Redirection, code 0: Change the sent data channel (STDOUT) to output to the specified file: Saves the output to the specified file by overwriting, such as saving the

#include int main () { time_t now ; struct TM *W; Time (& now); W=localtime (& Now); printf ("%04d/%02d/%02d\n%02d:%02d:%02d\n", w->tm_year+1900 ,

a problem recently encountered by the author, the Samba service in virtual machine Linux is normally turned on and the host passes "\\192.168.229.200 "(The static address of the Linux system configuration in my virtual machine) cannot access the

Linux awk details and applications, linuxawk details This article is from my personal blog: linux awk details and Applications 1. awk Awk is a powerful text analysis tool that generates a data report by analyzing the text. The principle is to read

Litecoin mining in CentOS Litecoin (LTC) is a point-to-point electronic currency and an open source software project under the MIT/X11 license. Litecoin (one of the most promising bitcoin counterfeits after bitcoin, miners all say that if Bitcoin is

Install CentOS5.6 Install Linux**************************************** *************************************** Objective: To install the Centos5 Operating System **************************************** * ************************************ 1,

Ubuntu vim configuration script and ubuntuvim configuration script I personally think the vim configuration will be helpful to the novice, because I am also a newbie, please ignore it. When we installed ubuntu, we may not have vim. We can only use

Cramfs and cramfs First, go to the root user to ensure that cramfsprogs is installed in the LINUX system. If not, get-apt install cramfsprogs, Find the. cramfs file, enter the cramfsck-x song xxx. cramfs command, and a file named song appears in the

About how to protect your Linux System In this world, it is very important to ensure the security of Linux-based systems. But you have to know how to do it. A simple anti-malware software is far from enough. You need to take other measures to work

Linux Command learning Summary: reboot command, linuxreboot Command introduction: This command is used to restart the Linux system. It is equivalent to the restart command in Windows. Command syntax: /Sbin/reboot [-n] [-w] [-d] [-f]

One practical experience of adding a physical Nic to a Linux Server Due to business needs, three Linux servers in the foreign data center need to add one physical Nic each. Previously, no Nic operation was performed on the physical server, which is

Enable wget in centos to support resumable data transfer and download speed limit. Wget is not installed. If the network is connected, yum install wget is installed; 1. For resumable upload, you only need to add the-c parameter. Wget-chttp: //

Quickly and securely change the MySQL database name in CentOS MySQL does not seem to have a statement to change the Database Name (maybe I don't know). If you have the permission to manage the database server, you can directly change the directory

Enable MySQL to support Chinese Characters in CentOS7 In MySQL 4.1 and later versions, Character Set Support has two aspects: Character set and Collation ). The support for character sets is refined to four layers:Server(Server), Database(Database),