Linux

There are two main types of service installations:RPM Installation and source package compilation installation:1.RPM package View: Rpm-qa | grep Package NameUse Chkconfig--list to view service self-start commands only the service that is installed

Today is Monday, I went to the new company on the 14th day, today continue Linux under the configuration of the Ruby and rails environment variables.The first problem isMainly see ubuntu under Install rbenv,Ruby,rails development environment,　　http:/

Linux Network configuration ManagementStatically configured Ip,ifcfg-eth0 NIC configuration is as follows:Vi/etc/sysconfig/network-scripts/ifcfg-eth0Device=eth0 bootproto=static #HWADDR =00:0c:29:52:c7:4eonboot=yes #重启网卡是否激活设备TYPE =ethernetipaddr= 19

ObjectiveEvery time after reading the Linux command, the brain is always blank, good memory as bad pen, this time to write down, for later review. It's all basic, but it's practical.First day Linux Command1. Set the Start screenInit 3 Switch to

Linux Setup command to start the service name and function1 Anacron can perform work that crontab has not done in the given time. 2 ATD Single-use routine commands. 3 APMD Understand the system battery level (portable computer use). 4 Arpwatch

View and add path environment variables under Linux$PATH: determines which directories the shell will look for commands or programs, the value of PATH is a series of directories, and when you run a program, Linux searches for compiled links in these

Set PasswordmkpasswdMkpasswd-s 0Mkpasswd-s 0-1 15 Specifies the length of the password1. View the capacity of a disk or directoryDF View Disk partition usageDo not add parameters in K unitsDf-i inode number, df-h with G or t or MDf-m shown in M

Groovy is an object-oriented, dynamic programming language designed on the Java platform. Run on the JVM just like Java.First, download the binary installation package on the Groovy website: http://www.groovy-lang.org/download.htmlGroovy-binary-2.4.3

Before adding the necessary library, compile the software what please Baidu.Copy to User/srcsudo cp linux-4.0.6.tar.xz/usr/srcEnter the SRC directory:Cd/usr/srcNext unzipUnzip firstTAR.XZ file We enter firstsudo xz–d linux-4.0.6.tar.xzGet the tar

The editor is an ordinary editor, vim,emacs,gedit,katePlain text with source file type ASCII codecompile with GCC or NASM, the former compiles the T-T assembly, the latter compiles the Intel assembly8086 of the textbooks are generally used in Intel,

ifconfig Command: View and configure network status commandsIfdown network card device name : Disable the NIC deviceifup network card device name : Enable the NIC devicenetstat options : Querying network statusOption:-T: List TCP protocol ports-U:

http://user.qzone.qq.com/1401354763/2 Time is past more than four years about network security, hacker technology, or all the past, it is almost lost to forget.Or a love of literature and art, like to write, whether it was before the baptism of MLM,

Take advantage of these days to find a job, some knowledge simple collation, the formation of logic, internal absorption, and really can be easily written, ready to use, really become the bones of things rather than will "use", and will not "write"!

Well, there are more and more people who are willing to try Linux now. Normally, if you have Windows installed on a computer, and then install Linux, the Linux grub boot program will overwrite the original Windows bootstrapper stored in the MBR. If

Implement Process Switching Based on Kernel stack switching in Linux-0.11, linux-0.11 Kernel The original lack of TSS-Based Task Switching Six-segment process switching Theory 1. interrupted access to the kernel 2. Find

LEMP installation script and lemp script #! /Bin/bash# LEMP ServerUmount/dev/cdromMount/dev/cdrom/mediaIOS = "/etc/yum. repos. d/rhel-debuginfo.repo"If [$? = 0]; thenSed-I '3d '$ IOSSed-I '3i baseurl = file: // media/Server' $ IOSSed-I '4d '$ IOSSed-

Centos6.6 install the nfs Network File System, centos6.6nfs I. Introduction Most nfs network file systems are used for Intranet file sharing. For example, files uploaded to the cluster are shared and often used in the image part. Of course, when the

How to modify the host name in centos 7 Hostnamectl In version 7, hostname has three forms: Static host name) Dynamic (Transient/dynamic host name) Alias (Pretty host name) Query host names Hostnamectl or hostctl status Hostnamectl status [

Centos Nic status detectionThe ifconfig command cannot view the NIC status. There are five ways to check the NIC status and whether the NIC is connected.How to check physical Network Link Status on Linux (RHEL/Centos)Original article:

Snapshots and Cloning of CentOS under virtual machines For beginners, it is best to create a snapshot or clone after installing the system. I. Use of snapshots 1. Open the snapshot manager, 2. Start: take a snapshot, 3. the snapshot is