The time of the Linux concept

Linux Tuning system time zone:Locate the appropriate time zone file/usr/share/zoneinfo/asia/shanghaiReplace the current/etc/localtime file with this fileIt's time for a date to be CST.If not, change the value of the TZ environment variable.Many

Several Linux system monitoring tools required by the administrator

Need to monitor Linux server system performance? Try these tools built in or attached to the system below. Most Linux distributions are equipped with a large number of monitoring tools. These tools provide metrics that can be used to obtain relevant

Linux Start-up process

NanyiSix months ago, I wrote, "How does a computer start?" To explore the role of BIOS and master boot records.The article does not cover the operating system and is only relevant to the Board's onboard program. Today, I would like to write down and

Special usage, continue and break usage of the while loop of the Linux learning path

In previous studies, we learned that the while loop shape is:while expression;Statement...DoneThis grammatical structure loops as long as the expression meets the criteria to execute the statement in the loop body, or the loop is rolled out.Two

A detailed description of the Linux root file system

A detailed description of the Linux root file systemMost Linux versions use the FHS file organization structure, FHS is an abbreviation for Filesystem Hierarchy standard (file system directory standards), which organizes files in a tree-shaped

Linux and the storage ecosystem

Linux is the Swiss Army knife of file systems, and it also offers a wide variety of storage technologies for both desktops and servers. Beyond the file system, Linux incorporates world-class NAS and SAN technologies, data protection, storage

Linux finds files by time

Linux finds files by timeRequires a script that is processed according to the last modification time.Here's a basic use of find, depending on the size of the file, the type, or the time.  linux file three time (in the case of Find):  atime Last

Escape sequences escape sequences and Linux echo command multiple color display

Read a lot of Chinese blog posts, most of the article is about the use of echo color, I really do not love to die, trace back, really look at the escape sequence is what?Escape characters, children who have studied C are aware that some control

Linux Common Command Daquan

System InformationThe processor architecture of the Arch Display machine (1)UNAME-M Display the processor architecture of the machine (2)Uname-r displaying the kernel version in useDMIDECODE-Q Display hardware system

Using KVM in Linux

From: Listen Xen will soon be removed from the Linux kernel, Redhat and Ubuntu are also aggressively promoting KVM, So under Ubuntu, the KVM is quite easy to use, basically more easily than

Linux nohup command: The program continues to run in the background after exiting the terminal

Transferred from: Simple and useful nohup command in Unix/linux, the normal process is placed in the background with the & symbol, and if you start the program's console logout, the

Settings for Linux time

The following code can be used for reference:static void _sleep_response_timeout (modbus_t *ctx) {#ifdef _WIN32/ * Usleep doesn ' t exist on Windows */ sleep ( Ctx->response_timeout.tv_sec * + (ctx->response_timeout.tv_usec/1000));

Environment variables in Linux path

First of all, each command in Linux is essentially an executable file, with the LS command as an example. by command: $:whereis LS can view the location of the LS command under the/bin/directory. When you use the $:ls-l/bin/ls command to view the

A Linux system Recovery case due to NAS storage failure

I. Description of fault phenomenaNAS OS kernel for Linux, with the storage of 16 hard disks, a total of two groups, each set of Raid5,linux operating system does not start normally, in the service boot to cups there is stopped, the key CTRL + C

Linux Learning Notes--Example makefile Add macro definition

0. PrefaceFrom the beginning of learning C language began to contact Makefile, consulted a lot of makefile information but always feel no real master makefile, if you write a makefile always feel very laborious.    So deliberately using the blog to

How to display and set host names in Linux

Original linkAs the number of computers connected to the network grows, each computer needs to have a property that distinguishes it from other computers. Like people in the real world, computers also have a property called hostname (host name).What

Linux System Management (i)

Linux UsersLinux is a multi-user task system. Each user account can belong to one or more groups. In the/etc/passwd. Store user account information[Email protected] ~]#

Linux Learning Resources (constantly updated)

1.,linux Kernel (source code) download2.,"Linux kernel 0.11 (0.95) Full comment"3. List of books:101-In-depth understanding of the Linux Kernel (third edition English version)-1030 pages. PDF

Win/linux using Psutil to get process Cpu/memory/io occupancy information

PSUTIL-A cross-platform process and System utilities module for Python1. InstallationPIP can be installed.Need to install vs2008 under Windows, otherwise error: unable to find Vcvarsall.batIf you have already installed vs2010/vs2012, you need to set

About Linux and Windows pass file garbled problem

Linux is generally encoded with utf-8, and when we edit a file on Windows it is gb2312 encoding. So the Chinese encoding will be garbled. It's really easy to correct the problem by simply converting the file into UTF-8 encoded format and then

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