CentOS

The virtual machine is configured as a static IP to ensure that the virtual machine's IP remains intact each time the host machine restarts, which is useful for learning about software in a clustered environment, such as a Hadoop cluster, a DB

Open CentOS, enter username and password query ip:ifconfigeg:inet addr:192.168.12.107 Open CRT right click Sessions-->new Sessions Click Next in hostname enter the IP address in username Enter user name creation complete right click

The perfect combination of WINDOWS10 and CentOSBecause Linux has recently been learning Linux, it is very useful, but because the system was previously installed WINDOWS10, it had to re-partition the disk so that Linux and Windows systems can

One: View CPUMore/proc/cpuinfo | grep "model name"grep "model name"/proc/cpuinfoIf you feel the need to see more comfortablegrep "model Name"/proc/cpuinfo | Cut-f2-d:Two: View memorygrep memtotal/proc/meminfogrep Memtotal/proc/meminfo |

SSH password-free login to use public and private keys. You can use Ssh-keygen to generate a public/private key pair under Linux.1. Generate a public/private key pair under a machine$ssh-keygen-t rsa-p "'-P for the password,-p ' means the empty

CentOS system Start-up processPOST--Boot Sequence (BIOS)--Boot Loader (MBR)--Kernel (ramdisk)--Rootfs (readonly)--Switchro OT--/sbin/init (CentOS 5,6,7 different)--set the default run level--run the system initialization script, complete the system

To install the configuration steps:RPM -ivh/opt/bak/vsftpd-2.2.2-11.el6.x86_64.rpm - Local installation vsftpd ll/etc/vsftpd/ -- view vsftpd 's configuration file There are a total of four configuration files:Vsftpd.conf is the main

The host name is not set up to cause the following 2 issues:1, CentOS start time sendmail, sm-client wait long.2, SendMail ErrorWorkaround: Correct the hostname and restart it.two places need to be modified : One is/etc/sysconfig/network and the

in theLinuxunder DeploymentJavadeveloped byWebapplications, generally usingTomact+jreEnvironment (You do not needApache), inRHELand theCentOS, you can useYumOnline Automatic installation method installation, the specific operation is as follows:1 ,

Generally I have seen the company has to do mode=4, next I want to practice is to do mode=6 a mode (Bonding mode:adaptive load Balancing)System environment:$ Cat/etc/issuecentos Release 6.7 (Final) Kernel \ r on an \mNeed a bond port custom created$

Using Docker for a long time, from CENTOS6 to 7, 6 is annoying the need to upgrade the kernel, Docker is not added to the System package by default.This is the main record of the installation configuration steps in the 7.2 environment.Installation

How to view physical CPU information in CentOS1. Concept[1] Physical CPU: The number of CPUs on the slot in the actual server.Number of physical CPUs: There are several physical ID numbers that can be duplicated.[2] Logical CPULinux users are

=============================== Network Configuration ===============================1 eth0 interface

Method:1) [[email protected] ~]# cat/proc/versionLinux version 2.6.18-194.el5 ([email protected]) (GCC version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Fri APR 2 14:58:14 EDT 20102)[Email protected] ~]# uname-aLinux localhost.localdomain 2.6.18-194.

1. Set the network connection mode of the virtual machine to bridge2, close the CentOS firewall, here I was directly from the page closed, no use of command3, the installation of the CentOS IP is static address, not allow automatic acquisition, so

First, local Yum source1, the system is installed by default can use Yum package, so you can directly configure:[[email protected] ~]# Cd/etc/yum.repos.d/yum Source configuration file Drop directory[[Email protected] yum.repos.d]# mv

Installing CentOS on a virtual machine does not have to say, install Linux first is to surf the internet, just like windows, have the Internet is king.First of all, the network mode of the virtual machine is bridge mode; Enter the Linux terminalRun:

Optimize content: (1. Set the history record (2. Add a normal user, set sudo permissions (3. Disable SELinux (4. Configure Iptables (5. Disable root remote user login (6. Modify the remote port (7. Thin boot server (8. Modify the maximum number of

background : The company itself with Extmail Mail server has been a period of time, the domain name for eeee.com (here is a pseudonym), the company built a new warehouse, ready to the warehouse also build a play, domain name for mmmm.comPreparatory

Installing NFS servers on Linux and setting up client accessServer side: 192.168.10.11Client: 192.168.10.20Server-side && clientYum-y Install Rpcbind nfs-utils (Linux 6.0 or later)Yum-y Install Portmap nfs-utils (version 5.0)Server-sideEcho-e