Linux

Here is mainly a summary of some things to listen, thanks to lamp brother____ Installing the virtual machineVMware 8.0.4, because the high version occupies a large space, no needCent OS 6.3 Linux version____linux system1, partitionPrimary partition

The firewall is turned off/iptables:firewall is not running.Selinux=disabledInstalling NFS ServicesThe installation of NFS is very simple, requires only two packages, and is normally installed as the default package for the system.nfs-utils-*:

Linux kernel design and implementation reading notes--chapter III Process Management20135111 Li Guangji3.1 Process1. The process, which is at the execution stage, is not confined to an executable code, but is a generic term for the program in its

The MMU is made up of one or a group of chips, whose function is to map the logical address to a physical address for address translation (the MMU is part of the CPU)Machine instructions still specify the address of an operand or an address of an

I've been reading this book for the last few days about the development of embedded Linux applications in the middle school, which was a complete understanding of the book yesterday afternoon. In addition to the first chapter of the

1. Copy the JDK to the installation directory(1) Assuming that the JDK installation file is on the desktop, the installation directory that we specified is:/usr/local/java. However, after the system installed in the/usr/local and there is no Java

Lesson 9:vi Editor Vi,vim,emacs function is also strong Vim can start the Vim editor, vim+ the path of the target file, if the target file is present and open, does not exist automatically created VIM has three modes: Command mode

In this modern time, the security of Linux operating system is very important. But you have to know how to do it. A simple antimalware software is not enough, you need to take other measures to work together. The following are some of the common

Created by Janie Go to meta data startPre-installation work1. First check whether the OPENJDK exists,Enter the following command: java -version  2. Enter if it exists: rpm -qa | grep java  

#Linux重装系统后SHH登录服务器报错@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ warning:remote HOST Identification has changed! @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@IT is POSSIBLE this SOMEONE is DOING SOMETHING

Application Examples:1. Add Newuser2 to the group staff# Usermod- g staff newuser22, modify the NewUser user name is Newuser1# Usermod- l newuser1 newuser3. Lock Account Newuser1# Usermod- L Newuser14, release the lock on the Newuser1# Usermod- u

SYSCTL Kernel Variable Configurationusage:sysctl [Options] [Variable[=value] ...]  namesysctl-configure kernel parameters at Runtime descriptionsysctl are used to modify kernel parameters at RU Ntime. The parameters available is those listed

In the work of this situation, you need to display all the files, in chronological order or file size successively sorted displayCommand: LS1. Sort the display files by time[Email protected]> ll-rt2. Sort files by file size (file size unit:

Always use FTP to upload downloaded files to Linux before using Lrzsz, and after installing Lrzsz on SECURECRT, individuals feel that it is easier to operate than to use FTP. And it is convenient to transfer files between local PC and remote server.1

Http://news.chinaunix.net/opensource/2009/1114/56836.shtmlLinux talent demand is high, UNIX and win demand flatThe survey found that as more and more units of the domestic use of Linux, the demand for relevant talent immediately arose, and showed a

First knowledge of linux services, first knowledge of linux 1. daemon and service In order to implement some functions, the system must provide some services. However, the provision of services always requires the running of processes. The program

Linux date command The date command is a commonly used command in Linux and is mainly used to display the current time of the local machine. As follows: In my Linux operating system, the date command is implemented by default in the format of

[Ubuntu] deb software source, ubuntudeb software source Although ubuntu's Chinese server is already very fast, it is inevitable that there will be poor network conditions, so modifying the software source address is a basic knowledge point. There

Linux Command operator (1) 1 ctrl + alt + t shortcut to open the Ubuntu Terminal2 alt + f4 close a terminal 3 ls view all files in the current directory 16 ls-a ---- show all files, including hidden files. a indicates all. The hidden file starts. 17

Linux partition scheme Linux hard disk space: 500 GB.The following linux partitions are required:The/var partition must be large (whether it is a postfix email or a lamp web Server ).Preferably GB or above. The specific/boot only needs