CentOS

Note # root user $oracle User 1. Turn off security # Chkconfig iptables off//permanently shut down Firewall # Serviceiptables stop//temporarily shut down the firewall, restart the system will automatically open # sed-i "S/selinux=enforcing/selin

On CentOS:The first step: Open the POP3/SMTP service in the QQ mailbox set-up account and set up a separate passwordStep two: Yum install-y mailxStep Three: Vim/etc/mail.rc add your mailbox information at the end of the file:Set [email protected]Set

In CentOS 7Temporarily Open FTP Service#Firewall-cmd--add-service=ftpPermanently open FTP Service#firewall-cmd--add-service=ftp--permanentPermanently closed#firewall-cmd--remove-service=ftp--permanentSuccessLet the setting take effect# systemctl

The/etc/profile file was edited in CentOS for reasons of configuring the JDK environment variable for Java installationThe wrong environment variable configuration causes the profile file to be tested after the first time it is modified and saved,

# #下载nginx源码:wget http://nginx.org/download/nginx-1.7.8.tar.gztar-xv-f nginx-1.7.8.tar.gz-c/usr/local/src/# #安装编译环境和必须的组件:Yum Groupinstall ' development Tools ' yum install pcre pcre-devel zlib zlib-devel OpenSSL openssl-devel gcc gcc-c++ perl per L-

Install Nginx Dependency Package: Pcre, Pcre-develThe compiler actually needs a dependency package that is pcre-devel, which can be executed by yum install Pcre-devel. However, the installation of this package is very simple, just let us take it to

Newly installed CentOS6.4, the first boot will be stuck in the progress bar there, at first thought is slow reaction, need to wait a little more time, about 5 minutes or not, it is estimated that the problem.After restarting, press ESC or the F5 key

Today found VPS typing crontab-e actually prompted "Disk quota exceeded" cannot be edited. So "Df-h" looked up the system disk space use 100%. The last location is/var/spool/mail/root This file has several G. Then clean up and solve the problem. If

Coding problems that are often encountered under LinuxIf you need to operate files under Windows in Linux, you may often encounter problems with file encoding conversions. The default file format in Windows is GBK (gb2312), and Linux is generally

Host hardware configurationOperating environment hardware and software Environment L host operating system: Windows 4 bit, dual core, 2.2g,8g memoryL Virtual software: VMware? Workstation 9.0.0 build-812388L Virtual Machine Operating system: CentOs 6

Sometimes CentOS needs to start from the start of the program bootFirst in/etc/init.d/Cd/etc/init.dSet up boot entry under folderUsing the LN commandHow to use: ln [options] Source dist, where option is in the format:　　[-BDFINSVF] [-S Backup-suffix]

1 Installationyum-y Install Samba2 Modifying a configuration fileVi/etc/samba/smb.conf1) Global configuration[Global]Workgroup = Workgroup #要访问的电脑的工作组名, Windows generally defaults to thisThe hosts allow = 127. 192.168.128. #去掉前面的分号 and modify the

This is the work of the need, the main goal is the user must be authenticated through the RADIUS server before the Internet, the products involved include firewalls and RADIUS servers, the logical topology is as follows:The configuration steps for

Sometimes we have specific requirements for the OS environment for development, but do not want to affect the current system environment. Then we can use the chroot environment.Please note that the installation of the chroot environment requires

# Uname-aLinux localhost.localdomain 2.6.18-164.el5pae #1 SMP Thu Sep 3 04:10:44 EDT i686 i686 i386 gnu/linux(view current operating system kernel information)# Lsb_release-aLSB Version::

Default: In/etc/bashrc PS1 = "[\ [email protected] \ H \ W] \ $" Description: \: An ASCII Bell character (07) \ D: The date in "weekday month date" format (e.g., "Tue May 26 ") \ D {format}: The format is passed to strftime (3)

New books are available, east and west. Finally, they are almost done. After vmware10 was installed, a new centos7 virtual machine was created immediately, and everything went well. However, when VMware Tools was installed, it went west. The

CentOS-64bit to compile the Hadoop-2.5. source code, and distributed installation, centoshadoop SummaryCentOS7-64bit compilation Hadoop-2.5.0 and distributed Installation Directory 1. System Environment Description 2. Preparations before

Centos: Change the root user password and centosroot User Password If you do not Log On As A root user, switch to the root user first,Run the following command: su rootEnter the password of the root user as prompted.English system: [Root @

In my case I have a fresh installed CentOS6.5 Server on which I will be installing the VNC-server so that I can access the CentOS server with GUI. you can follow the guide for the basic installation of the CentOS server till Chapter 7. please don't