Install JAVA in CentOS 7 and in centos 7
Step 1: Check whether the built-in JDK of Linux is installed
The installed CentOS comes with OpenJdk and uses the java-version command. The following information is displayed:
Java version "1.6.0"OpenJDK Runtime Environment (build 1.6
How to install chrome on centos 7 and centos 7 chrome
Install
Download the file at http://www.google.cn/chrome/browser/desktop/index.html and select 64 bit. rpm (applicable to Fedora/openSUSE). Of course, if you are a 32-bit system, you can select 32 bit. rpm (applicable to Fedora/openSUSE). Select "accept and insta
CentOS-7 disk resizing, centos-7 resizing
* 1. Here we also want to resize the hard disk on CentOS7 installed in VMWare, and do not restart the virtual machine. The size of the/home directory before resizing is 348 GB, as shown in :*
* 2. For details about how to add a hard disk in the middle, see "how to add
Install and configure MySQL on centos 7 and configure mysql on centos 71. Download MySQL Yum RepositoryHttp://dev.mysql.com/downloads/repo/yum/2. Install MySQL Yum Repository locallySudo yum localinstall platform-and-version-specific-package-name.rpm3. Install MySQLSudo yum-y install mysql-community-server4. view the root initial passwordSudo grep 'temporary pass
At the time of CentOS 5, we were accustomed to eth0 such a network device naming, in CentOS 6, found that the network device became EM1 name. At that time, when we were installing, we added biosdevname=0 to the startup parameters and we could continue to use the name eth0.
By the time the CentOS 7, the original parame
Topic Description: We call a decimal positive integer a lucky number when and only if it is composed only of numbers 4 and 7. Now given a positive integer n, you need to calculate how many lucky numbers are not greater than n, because the answer can be very large, you only need to output the answer divided by 1000000007 after the remainder.
Input: The first line contains an integer n,1
Output: Output corres
When centos 7 is started, the following message is displayed: "initial setup of centos linux 7 (core )"
After the CentOS7 system is updated, restart the system and report an error (initial setup of centos linux 7 (core ))
Solu
Create a user in centos 7 and a user in centos 7
Create a new user
Create a user named xiaoming:
[Root @ 192 ~] # Adduser xiaoming
When initializing a password for this user, linux determines the password complexity, but you can forcibly ignore it:
[Root @ 192 ~] # Passwd xiaomingChange the password of xiaoming.New pas
Install JDK 7 on CentOS and JDK 7 on centos1. Download jdk
Http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
Select jdk-7u75-linux-x64.rpm2. Install jdk
Create directoryMkdir/usr/java
Switch to the download directory and copy the downloaded file/Usr/java cp jdk-7u75-linux-x64.rpm/usr/java
Switch to/usr/java to modify permissionsC
OS + CentOS 7/centos 7/VirtualBox/VirtualBox-5.1-5.1.28_117968_el7-1.x86_64.rpm, centosvirtualbox
S
VirtualBox: resolves the problem of libSDL-1.2.so.0 () Errors During VirtualBox installation.
Http://www.sklinux.com/983
When you install VirtualBox for Centos6.2, you encounter the following error:Error: Failed dependen
Layer-4 and layer-7 Load Balancing details, layer-4 and layer-7 Load Balancing
I. background of SLB:
SLB (Server Load balancer): when multiple servers provide the same service, the Server Load balancer device has a virtual service address. When a large number of clients access the virtual service IP address from outsid
Note: This is not the most highly recommended method to move from centos 6 to centos 7... but it can be med, at your own risk, if the tool says the risk is slight or none. we wowould never recommend using this method with any medium, high or extreme issues present.
Centos upgrade Tool
1. Location of the Tool
The tool i
Tags: dockerScenario One: Use wget to download the latest version of Tomcat build when Docker is created#centos7+oraclejdk7+tomcat7 from centos:centos7 maintaineryuj Scenario Two: Build with the Tomcat compression package downloaded on the Docker server (apache-tomcat-7.0.63.tar.gz is used here) #centos7+oraclejdk7+tomcat7 fromcentos:centos7 maintaineryuj Use Docker to build a Web server for CentOS 7 + To
Disable the CentOS 6 and CentOS 7 firewalls.
CentOS6.5 view the Firewall Status:
1
[Linuxidc @ localhost ~] $ Service iptable status
Display result:
1 2 3 4 5
[Linuxidc @ localhost ~] $ Service iptable status Redirecting to/bin/systemctl status iptable. service ● iptable. service Loaded: n
CentOS 7/rhel 7:reset/recover Forgotten root passwordOctober, by Sharad Chhetri 4 CommentsIn this post we'll learn, how to reset/recover forgotten root password on CentOS 7/rhel 7 (Red
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