Understand the embedded Linux startup network parameter configuration process, will be on the network this part of the chest,after the network does not pass, there is a solution to the problem of the thinkingLu.1, the network parameter configuration
whoisFeature Description: Find and display user information.Syntax: whois [account name]Note: The WHOIS directive will go to find and display user-related information for the specified account, because it is located in the WHOIS database of network
the fourth stage of training: the relationship between the driver, the application layer, the kernel layer, and the underlying hardware. Understand the meaning of kernel-driven. Now is the first play, the front is the cushion. Before you
Directly back to the root directoryLog in as root when logged in, Su-obu user, after using the exit command directly back to the root user
File copy to remote serverCopy the Read_xml file under the/home/bin directory of the 1.1.1.6 to the 1.1.1.31
Ethtool eth0 View the settings of the eth0 corresponding network cardEthtool-i eth0 View driver information for eth0 NICethtool-s eth0 viewing network card statisticsEthtool-s eth0 speed of duplex full Autoneg off to turn off auto-negotiation, set
The DD command can be easily implemented to create a file of the specified size, such asDD If=/dev/zero of=test bs=1m count=1000Generates a 1000M test file with a file content of 0 (read from/dev/zero,/dev/zero as 0 source)However, to actually write
Under Linux, accept () passes the network error that has been waited to the newly established connection, and treats it as an error returned by the Accept (). This is different from the other BSD implementations. In order to run reliably, some
You are welcome to enter the world of the Internet of things in the cool. It has a free air and a natural atmosphere. Next I'll tell you what to do if you build your own IoT platform in one step. Since the official domain name of the current cool is
Linux Problem Set1 Linux environment variable setting and storage location1. Display Environment Variables Home$ echo $HOME/home/terry2. Set a new environment variable welcome$ exportwelcome= "hello!"$ echo$welcomeHello!3. Use the ENV command to
Sed-i "s/original string/new string/g" ' grep original string-rl. 'Format: Sed-i "s/lookup field/replace field/g" ' grep lookup field-rl path 'Turn:Bulk Replace file content under Linux 1, ready-made data format on the network: sed-i "s/lookup field/
Linux boot process and running level, linux Process LevelLinux boot process 1. Concepts
1. boot loader: leads the loader, which is commonly used (Grub, spfdisk)
2. Grub: it is a multi-operating system startup manager that leads different systems,
Deployment steps of openldap server in Ubuntu
1: Install zlib
Download zlib-1.2.3.tar.gz (or another version)
Wget http://down1.chinaunix.net/distfiles/zlib-1.2.3.tar.gz
#./Configure -- shared
# Make
# Make install
2: Install openssl
Do not
Linux logical volume Management
Linux logical volume Management
1. What is a logical volume?LVM is short for Logical Volume Manager. It is an abstraction layer built on a physical storage device that allows you to generate Logical storage volumes,
JLink V8 initializes the exynos4412 script and jlinkexynos4412/*************************************** **************************************** ** @ Author Maoxiao Hu * @ version V1.0.0 * @ date Dec-2014 ************************** *******************
X01. OS. 17: Heart changing, x01. OS. 17
Compile linux in linux, so linux has the regeneration capability. This is different from the slow evolution of nature, which can be described as high speed. -- Competing with powerful windows proves that!
Use xmanager to connect to centos
1. Take connecting to Centos6.5 as an example to disable the firewall first.
# Service iptables stop
# Chkconfig -- level 345 iptables off
2. Install XDM and use XDMCP to Manage X Display Sets
# Yum install xdm
3.
How to use linux commands to count the frequency of occurrence of a word in a text
Use this command to find out that words in the text appear frequently in descending order.
Cat words.txt | tr-cs "[a-z] [A-Z]" [\ 012 *] "| tr A-Z a-z | sort | uniq-
Irqbalance for Linux CPU Optimization
First: Service Introduction
This service is specially designed to interrupt service instructions!
Ensure reasonable allocation of multi-core CPUs at the system level!
Ii. Installation Method
# Yum-y install
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