Linux

　　To partition large files in Linux, such as a 5GB log file, it is necessary to divide it into smaller files, which are segmented to facilitate reading by the normal text editor.Sometimes, you need to transfer large files of 20GB, Linux training

Linux Training Tutorial Git's use under Linux* Initialize git repository, use git init command* Add files to git repository in two steps:1, use git add filename, can be used several times, add multiple files to staging area2 , using git commit-m

Content of this week's job:1, create a 10G partition, and the format of the Ext4 file system;(1) The block size is required to 2048, the reserved space percentage is 2, the volume label is MyData, the default Mount property contains ACLs;[Email

Yum Install GCC GCC bzip2 bzip2-devel ncurses ncurses-devel curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel Open SSL Openssl-devel openldap openldap-devel nss_ldap openldap-clients openldap-servers--devel means the

This blog is for the future, because Red Hat Enterprise Linux is already the best Linux system, so choose CENTOS7 as: Learning samples of Linux.Because CENTOS7 now has no free book published, I understand Soliria Unix system. So, we can write blog,

I. Modifying host names1. Zero modification[Email protected] network-scripts]# hostname jw07And then you can see that our hostname has been modified.2. Permanently modify the host name[Email protected]/]# Hostnamectl set-hostname LiutaoRestart

Displays all files or directories in the/var/directory that start with 1, end with a lowercase letter, and have at least one digit in the middle (which can have other characters).Command:Ls-d/var/1*[0-9]*[a-z]Displays files or directories that start

System Information The processor architecture of the Arch Display Machine (1) UNAME-M display the processor architecture of the Machine (2) uname-r display the kernel version dmidecode-q display hardware system parts-(SMBIOS/DMI) Hdparm-i/dev/h DA

################## two file addressing ###########Absolute path: file in the real location of the system , the file name begins with "/"relative path: The name of the file relative to the current location of the shorthand , which does not start with/

Detecting new hardware with hardware detection program Kuduz: Service kudzu start (or restart) View CPU information: Cat/proc/cpuinfo View card information: CAT/PROC/PCI View PCI information: LSPCI (compared to CAT/ PROC/PCI more intuitive) View

Linux serial port and windows have some differences, the following will introduce the Linux under the serial communication managementTo see if a USB port is supported:#lsmod | grep usbserialIf there is no information: sudo apt-get install

The head was a little big and wasted some time. Buffer After tomorrow .1. What is the difference between a stored procedure and a trigger?A: (1) triggers are executed primarily through event execution, and stored procedures can be called directly by

I. Introduction of AWKAho, Weinberger, Kernighan co-developed by three peopleReport Generator, formatted text outputAvailable in multiple Versions: New awk (Nawk), GNU awk (gawk)Mainstream version on Linux: gawk– mode scanning and processing

a , the composition and function of computerThe basic structure of modern computers is made by the Hungarian-American scientist von · Neumann was introduced in 1946. So far, all the computers that have entered the utility are press von Neumann

in Linux, use the pwd command to view the full path to the current working directory. Simply put, you will have a current working directory every time you operate in a terminal. When unsure of the current location, PWD is used to determine the exact

$sduo apt-get install openssh-serverreading Package lists ... Donebuilding dependency treereading state information ... Donepackage openssh-server is not a available, but was referred to by another package. This may mean. The package is missing,

September 30, Microsoft recently announced that the core chakracore of the Chakra JavaScript engine running Edge browser and UWP apps has been able to run on some OS X and Linux system versions.Microsoft has previously launched the Chakracore Open

Use of new Linux APIs signalfd, timerfd, and eventfdUse of new Linux APIs signalfd, timerfd, and eventfd Three new versions of fd added to Linux kernel: Signalfd: 2.6.22 Timerfd: 2.6.25 Eventfd: 2.6.22 Three fd meanings: Lsignalfd The traditional

RHEL7 modifies the SSH default port and SELinux running status, rhel7selinux After RHEL7 is installed, the SSH service is enabled by default for remote configuration, but the default port 22 is not safe. Generally, we do not recommend that you use

SHELL: Write NGINX Service Control script, shell: Write nginx script Nginx installed in the source code package cannot use "service nginx start" or "/etc/init. d/nginx start" for operations and control. Therefore, the following service control