CentOS

1, CentOS7 to modify the host name 1) Hostname host name Eg: Hostname ityangs Note: This way, only the temporary host name can be modified, when the machine is restarted, the host name changes back. 2) hostnamectl set-hostname xxx Eg: Hostnamectl

First, the viewing system has been installed to the software: 1, yum list installed (+ software name) 2, RPM-QA (can cooperate with grep to see if a software is installed) 2 is much faster because it is based on a local database.Yum also has the

CentOS (Community ENTerprise operating System) is one of the Linux distributions that is compiled from the source code released by Red Hat ENTerprise Linux in accordance with open source rules. Because of the same source code, some servers that

Test environment: CentOS 5.51, add users, first with the AddUser command to add an ordinary user, the command is as follows:#adduser Tommy//Add a user named Tommy#passwd Tommy//Change PasswordChanging password for user Tommy.New UNIX

OS: CentOS Release 6.7 (Final) The first method: [root@sky9896sky]# lsb_release-a Bash:lsb_release:command not found [Root@sky9896sky] #yum install Lsb–y [root@sky9896sky]# lsb_release-a Lsbversion:: base-4.0-amd64:base-4.0-noarch:core-4.0-amd6

[Root@centos1 build]# ll/lib64/libc.so.6 lrwxrwxrwx. 1 root 18:10/lib64/libc.so.6-> libc-2.12.00.so Download Glibc-2.14.tar.xz to http://ftp.gnu.org/gnu/glibc/ Xz-d GLIBC-2.14.TAR.XZ TAR-XVF Glibc-2.14.tar CD glibc-2.14 mkdir Build CD Build ..

1. View firewalls running status Systemctl status firewall 2. Open Firewall firewall systemctl start FIREWALLD 3. Configure the rules of the firewall, only to configure zone as public rules, (1), add the accessible port, the permanent parameter

Reprint Address: http://jingyan.baidu.com/article/6b182309b95badba58e159e0.html 1, start CentOS system, into the desktop, the author's system is CentOS 6 2, can display the Chinese prerequisite is: The system has installed the Chinese voice pack.

1, download the JDK and Tomcat installation package to the/OPT directory, use the command: Wget installation package in the network address; 2, use the command decompression installation package: TAR-ZXVF package name; 3, to extract the file to be

[Root@localhost ~]# Yum Install Libtool Loaded Plugins:rhnplugin, security This system is not registered with RHN. RHN support would be disabled. Setting up Install Process Nothing todo Solution: 1, into the/etc/yum.repos.d/directory. Enter at

Start FIREWALLD service:? 1 2 Systemctl Enable Firewalld.service #设置开机启动 systemctl start Firewalld.service #开启服务 View firewall status:? 1 Systemctl Status Firewalld 1. Regional management 1.1.

1. Vi/etc/sysconfig/iptables Way One Add the following content -A input-m state--state new-m tcp-p TCP--dport your port-j ACCEPT Mode two/sbin/iptables-i input-p TCP--dport your port-j ACCEPT/etc/rc.d/init.d/iptables Save Reboot the firewall

It's been a long day, and it's finally done. The following is my installation process: 1, the Nouveau driver into the blacklist, modify the/etc/modprobe.d/blacklist.conf file, Join blacklist nouveau in the back 2. Re-establish INITRAMFS image file

1. Add a new network adapter in the virtual machine according to the following two pictures Two. See if the NIC is recognized!Vi/etc/udev/rules.d/70-persistent-net.rules #可以看到有两块网卡! Copy eth1 Card's MC address, next we want to create ifcfg-eht1

Reference article: 51CTO recommended Blog-CentOS yum Source Configuration Tips This article refers to the above blog, and make some adjustments. Brief Introduction: Linux package rpm is convenient to use, but it does not solve some of the

March 6, 2017 11:43:07 1. Operating level of the Chkconfig management program Such as: Set firewall default does not open Chkconfig--level iptables off Run Level 3 (command line), 5 (interface) does not open iptables 2. Configure network card

SELinux (security-enhanced Linux) security-enhanced Linux is an implementation of mandatory access control (mandatory access controls). In this kind of control, Linux has a lot of operations that can be banned or unsuccessful. Before the

Ps-a-O Stat,ppid,pid,cmd | Grep-e ' ^[zz] ' How to view and kill the zombie process under CentOS Yesterday, the server expired, before the server due to small space, can not meet the current service requirements, the new purchase of a server,

The first step:Download the latest nginx, address Nginx official website http://nginx.org/, select the latestDownload SaveStep Two:In the CentOS Terminal download folder to find the downloaded file, perform the decompression name ning command

What I'm talking about here is the desktop version of CentOS. First of all, we must ensure that the network unblocked, open the browser, see if can surf the internet. 1. Click on the application in the top left corner to find an overview of the