method One: Install Node.js from Epel library
An effective and simple way to install node.js is to download the installation from the official library, first ensuring that you have access to the Epel library, and you can install it by running the
Different Linux copy files commonly used in 3 ways, the first is FTP, which is one of the Linux installation FTP Server, so you can use the FTP client program to copy the file. The second approach is to use the Samba service, similar to the Windows
First, download
Download Address: http://apache.etoak.com/hadoop/common/
Open will find different versions, I choose here is: hadoop-1.0.3.tar.gz
Download location to:/data/software
Second, the installation
Using the command tar to decompress the
If SSH service is not installed, install by command:
sudo apt-get install SSHTo start the SSH service:
Service sshd Restart
ssh Password-free login principle is as follows
If a machine wants to access B machine via SSH without password, it needs
Description of the operating system: CentOS 6.0 encountered a problem: Forget the Administrator account root password, can not enter the system solution: Reset the root password is 123456 operation: Boot system, in the system before entering the ESC
Preparation: 1,centos 6.5 minimal Desktop2, configure CentOS to access the Internet
Starting: 1, using the command yum install XDM installation XDm
Manage X-Monitor collection with XDMCP support
2, modify the/etc/x11/xdm/xaccess file and
Ifup, Ifdown:linux command
Real-time manual modification of some network interface parameters, you can use ifconfig to achieve, if you want to directly to the configuration file, in the/etc/sysconfig/network-scripts inside the IFCFG-ETHX and other
A To modify the DNS configuration file for the corresponding network card
sudo vi/etc/resolv.confModify the following content
NameServer 8.8.8.8 #google域名服务器NameServer 8.8.4.4 #google域名服务器
b Modify the configuration file of the gateway that
Use of third party rpmfusion source warehouses in CentOS 6.X
First, look at the open Yum
Yum Repolist
Second, the installation of Rpmfusion Warehouse bag, before this need to install a first called Epel-release bag
RPM-IVH http://mirrors.ustc.edu.cn/
Recently installed on the VirtualBox CentOS, suddenly found the CPU fan turned, a check, the original VirtualBox on the CentOS almost in 100% use VirtualBox assigned to its CPU core. On the internet to find a half-day, finally found a method, namely:
Create a virtual machine
Open Virtual box, click the "New" button, click "Next", enter the VM name ESHOP-CACHE01, select the operating system for Linux, choose the version of Red Hat, allocate 1024MB of memory, the following options are all used by
First, installation1.RABBITMQ is written in Erlang, you need to install Erlang first
wget http://www.rabbitmq.com/releases/erlang/erlang-18.1-1.el6.x86_64.rpm
RPM-IHV erlang-18.1-1.el6.x86_64. Rpm2. Then go to the official website to download the
VMware version:6.5.3
Using the command line tool Vmware-vdiskmanager.exe-x 36GB MYDISK.VMDK
Start a virtual machine
Create a new partition with Fdisk
Fdisk
N
P
3 (fill in the appropriate values here, if applicable)
(Accept the default, enter)
(Selected system Centos7)01, add a shared directory, right-click virtual machine = + Settings = = option + = shared folder (only if the virtual machine is powered off)02, power on, view the current virtual machine's shared directory =
Tip: When configuring the PPTPD service on the server side, in the/etc/pptpd.conf configuration file:Local IP and remote IP is not configured in the same network segment, configured as any intranet segment can be.Under Windows Connection PPTP
One, single user mode (forget the administrator password when what to do?) )Restart command:RebootInit 6Shutdown-r nowShutdown commandInit 0Poweroff1. Restart the machineWhen the following interface appears, press the arrow keys (up or down) on the
System environment: CentOS Linux 7 x64Current User: Normal userInstalling python:ideaiu-2018.1.3.tar.gz: https://www.jetbrains.com/idea/download/#section =linux1. Drag the idea of the physical machine download to the virtual machine and unzip it.
1 Configuring the NetworkLog in to the Centtos system and configure the NIC.CD space/etc/sysconfig/network-scripts Enter.LS View fileVI Ifcig-eth0 edit this fileModify to Noboot=yesESC back to command line: Wq Save ExitRestart the NIC, service
The CentOS 7 system comes with Python2, but you can run the Python script directly with Python3 without the 2 version, but do not move the system's own Python2, because the program relies on the current python2 environment, such as Yum, Yum will not
Installing Python3.6.4 under CentOS 7• Installation of python3.6 may use dependenciesYum install-y openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel wget• Find the download path on the Python website and download it with
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