Du-h--max-depth=1 work/testing Viewing the size of a file Df-h viewing the size and usage of your hard disk DF probably ibid. Rm-f Force Delete RM-RF forced recursive deletion Cp-rp./top/*./sharm/recursive replication Mysql-u database name-p
Zhou clan, finishing technical documents, for the next generation to stay a little tutorial ...The system defaults to the most installed students know, basically the home partition is very big, but in reality, our home does not need so big, most of
Linux viewing system Information is a relatively basic knowledge, so this should all need to be mastered, commands and explanations are as follows:#uname-A view operating system, kernel, CPU information#head-n 1/etc/issue viewing operating system
1. Centos 6.5 Mini mode after installing a lot of components are not installed, after adding the network card using the commandLs/etc/sysconfig/network-scripts/does not have the corresponding network card information.2. Using the command DMESG |
are used in the work, solve the problem first, superficial understanding, afraid to forget again, so record, do not spray.CatXxx.20140725. log |grep,,2,,1,,|sed 's/,,/\t/g'|Cut-F1,Ten|awk '{a[$0]++}end{for (i in a) print i}'|awk '{a[$2]++}end{for (i
1. Compress the MyData directory below the/home directory to Mydata.zipZip-r Mydata.zip MyData #压缩mydata目录2. Unzip the mydata.zip under the/home directory into the Mydatabak directoryUnzip mydata.zip-d Mydatabak3, the home/home directory below the
when the server is placed under poor thermal conditions, this can cause premature hard drive damage, and the other components of the server will quickly fail. When the modern server board detects that the CPU is overheating, it usually limits the
Modify the Linux User Name and Linux User Name
You need to modify two files:
/Etc/hosts
/Etc/sysconfig/network
Then restart
How to change the user name in a linux Command
Use the terminal to enter the root folder under the root directory,
Linux zip compression and decompression operations, linuxzip decompression operations
1. compress the mydatafile under the/home directory as mydata.zip.Zip-r mydata.zip mydata # compress the mydata directory2. Decompress mydata.zip in
Interrupt (1) -- Definition and initialization of the Interrupt Descriptor Table (based on 3.16rc14); symbol table 3.16rc14
1. Definition of the Interrupt Descriptor Table (/arch/x86/kernel/traps. c)
1 gate_desc debug_idt_table[NR_VECTORS]
Centos service optimization operation instructions
Service name suggestionsNetworkManager OFF is a background process that automatically switches network connections. Many laptop users need to enable this function, which enables you to switch
Various operations of linuxzip compression and decompression
1. compress the mydatafile under the/home directory as mydata.zip.Zip-r mydata.zip mydata # compress the mydata directory2. Decompress mydata.zip in the/homecatalog to the mydatabak
[Linux & amp; Unix -- exec and fock System Call]
If you have any shortcomings, please kindly advise. Reprinted Please note: @ CSU-Max
Series of blog posts:
Linux and Unix -- file descriptors and permissions
The second bullet in Linux and Unix
Centos6.4 Forget Password Change root password on a single machine
It is a headache to forget the root password of Centos, but if you are already in the system, it will be easy to solve, enter the command # passwd root to change the New root
The website has 0.56 billion PVS per month, but only 25 servers are used.The Q & A community network StackExchange consists of more than 100 websites, including StackOverflow, which is ranked 54th by Alexa. StackExchang has 4 million users, with a
Install Apache2.4.9 in the source code of CentOS7
1. Prepare the environment
Centos7 minimal installation
Install wget, vim, gcc, gcc-c ++, and cmake in yum.
2. Install apache2.4.10
Official Website: http://httpd.apache.org/
Download the source code
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service