Linux

     What is a . inode ? (index node)              Understanding inode  need to know the file storage, the file is stored on the hard disk , when the operating system reads the hard disk, it reads multiple sectors (the smallest storage unit of the

When the Ubuntu operating system is published, in order to reduce the size of the operating system, only the main system software, application software. Most of the software that we need to use in our development needs to be updated from the Web.If

18th Chapter Commissioning20135307 together 18.1 preparing to start a bug in the 18.2 kernel There are many bugs in the kernel, and they can be produced for countless reasons, and their appearances are changeable, from unmistakable

1.ifconfig Interface Up/down/mtu/netmask/broadcast Ifconfig eth0 192.168.1.1 #不加参数, automatically add masks by standard A/B/C class Ifconfig eth0 192.168.100.100 netmask 255.255.252.0 MTU 8000 Ifconfig eth0:0 192.168.100.101 #给一张网卡添加多个ip

An order explains:DD: Copies a file with a block of the specified size and makes the specified conversion at the same time as the copy.Note: Where the number is specified, the number is multiplied by the following character:

First, the command aliasAlias rm= ' Rm–i ': The prompt will appear at any time when the command is deleted; alias Vi=vimAlias does not add parameters, so the command alias is displayed in the system.Unalias Canceling aliasesIi. Order of

A: Basic review1: File Empty[Email protected] test]$ >log.txt2: Normal and Error redirect outputNormal and error append output to same place[Email protected] test]$ ifconfig &>>log.1Normal output redirect[Email protected] test]$ ifconfig >logError

in this series, the author outlines several main means of inter-process communication between Linux. Pipelines and well-known pipelines are among the earliest inter-process communication mechanisms, pipelines can be used for communication between

Experimental environmentCentOS 6.5ipaddr=192.168.1.229Yum-y Install SambaConfiguration fileVim/etc/samba/smb.conf[Global] ParametersWorkgroup = Workgroup #工作组Server string = Samba server Version by Ltiaw #显示名称NetBIOS name = Fileserver

Some users when using Azure Linux virtual machine installation software, some software license and the current system's MAC address binding, then the Azure VM restart, Reszie (change size), stop and then boot, the virtual machine MAC address will

STEP 1: Building the directory structureCreate the root file system directory, mainly including the following directories/dev/etc/lib/usr/var/proc/tmp/home/root/mnt/bin/sbin/sys#mkdir/home/rootfs#cd/home/rootfs#mkdir Dev etc Lib usr var proc tmp

What is an Integer Overflow? Storing a value greater than maximum supported value is called integer overflow. Integer overflow on its own doesnt leads to arbitrary code execution, but an integer overflow might leads to stack overflow or heap

Linux Mounted USB DriveA. Linux Mount USB drive:1, insert the U disk to the computer, if the current only inserted a U disk and your hard disk is not a SCSI hard disk interface, then its hardware name is: SDA1, you can use "fdisk-l" to view the

First Use Usbwriter. Make a Startup disk. Insert a USB flash drive. When installing under VMware: Add Hardware--choose to use a physical disk. In the drop-down box for the device: a PhysicalDrive1 appears. (It is the logo of the USB stick, if

Compression tools are: Zip, gzip, bzip2, XZArchive tools are: tar, cpioOne, the compression toolZip1. Compression[Email protected] tmp]# zip messages.gz messages Adding:messages (deflated 86%) [[email protected] tmp]# Ls-ltotal 420 -RW-------1 root

Linux kernel source code scenario analysis chap 2 Storage Management (4)Usage and turnover of physical pages 1. Several terms 1.1 virtual storage pages A fixed size in a virtual address space. The boundary is 4 kb aligned with the page size and its

Install CentOS6 on the Dell R710 Server Use a USB flash drive to install CentOS6 Note: here using the notebook test, after using the Dell R710 results the same, just modify the bios boot slightly different reference: http://www.osyunwei.com/archives/

Linux shell BASICS (6) and Linux shell Basics6. Detailed description of Shell script programming links the content of the above five parts to increase understanding of Shell 01. shell script shell: ## perl # python # php # Different jsp scripts

Build an ASP. NET Core cross-platform runtime environment in Linux (Ubuntu) You do not need to install mono. in Linux (Ubuntu), you can build an ASP. NET Core environment to continue. NET cross-platform Previous Article: Use VS Code to Develop ASP.

Install Message Queue Mosquitto on Ubuntu/Debian MQTT is an instant messaging protocol developed by IBM. MQTT is a connection protocol for M2M and Iot. It uses a lightweight publishing and subscription message transmission mechanism. Mosquitto is an