CentOS VPS Open 80-Port method

CentOS Firewall to open port 80 The code is as follows Copy Code #/sbin/iptables-i input-p TCP--dport 80-j ACCEPT#/sbin/iptables-i input-p TCP--dport 22-j ACCEPTAnd then Save:#/etc/rc.d/init.d/iptables Save

Centos/redhat/fedora lower RPM installation nload monitor network card Traffic/non-manual compilation/linux Real-time bandwidth monitoring

Nload is a simple and easy-to-use bandwidth flow monitoring tool under Linux, and dynamic graphics based on character interface display the current traffic of the NIC. However, CentOS official source does not have it, can not directly use Yum

CentOS 7 Network Device naming method CentOS 7 How to name the network device

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

CentOS the next card to bind multiple IP methods

All the devices in the CentOS are files. The NIC is also defined in the file. The binding of IP also requires only changes to the file. Network card related files in directory:/etc/sysconfig/network-scripts Querying Current IP information:

A tutorial on setting up and releasing memory in the CentOS swap section

Method One: First, view the current system partition situation: >free-m Create a file for the swap partition: >dd If=/dev/zero of=/whatever/swap bs=block_size (10M) count=number_of_block (3000) Third, set up swap partition files:

CentOS use Pam to lock multiple login failed users tutorial

Linux has a pam_tally2.so Pam module that limits the number of user logon failures and, if the number reaches the set threshold, locks the user. Compiling Pam's configuration file # Vim/etc/pam.d/login #%pam-1.0 Auth Required

How do I temporarily disable a user in CentOS? Methods for temporarily disabling users in CentOS

Temporarily disable users in Linux 1. In the/etc/passwd file, locate the disabled user in the row, add # at the beginning of /etc/passwd #coderbolg: X:500:500::/home/coderbolg:/bin/bash 2. In the/etc/shadow file, locate the disabled user row,

CentOS how to make the RPM package? The method of making RPM package under CentOS

Talking about RPM to many compiled and installed friends, RPM installation is a fool to install. Oh, in fact, RPM is a very effective centralized deployment of the solution. YUM+RPM is a very fast and convenient large-scale deployment scenario.

CentOS Linux Server iptables firewall simple configuration template

On-line Linux servers are basically configured to iptables to enhance security. *filter: INPUT DROP [0:0]: FORWARD ACCEPT [0:0]: OUTPUT DROP [0:0]-A input-m state--state related,established-j ACCEPT-A input-i lo-j ACCEPT-A input-i eth0-j ACCEPT-A

CentOS under the installation of Codeblocks tutorial detailed

A Installation Platform Description: centos6.4-i686 gcc-4.4.7 Two Download the latest source code: Http://www.codeblocks.org/downloads Installed here is the latest version: Code::Blocks 16.01

CentOS 7 Report Ifconfig:command not found problem solving method

I installed the minimal version of the usual minimal version of CentOS does not have network Tools installed, this command does not exist with the Sbin directory. At this point the system will prompt: # ifconfig

tutorial on installing Elixir on CentOS 7

Here are two ways of doing this. Release Warehouse Execute Yum Info Elixir, we get: Available PackagesName:elixirArch:noarchversion:0.12.5Release:2.el7size:2.7 MRepo:epel/x86_64SUMMARY:A modern approach to programming for the Erlang

CentOS 7.x nic name eno16777736 change to eth0 step

CentOS 7.x System network card naming rules are redefined, may be "eno167777xx", and so on, we will change the network card name to eth0 this. First, cd/etc/sysconfig/network-scripts/ #进入网卡配置目录 MV eno16777736 Ifcfg-eth0 #修改名称

CentOS 7.X systemctl Command usage detailed

From the Linux system version CentOS 6.x to CentOS 7.x changes overall is not large, but there are many places need our attention, most intuitive when the service Management command, before CentOS 7.x system we use service and chkconfig to manage

Modify the encoding method of MySQL5.6 in CentOS 7 to solve the Chinese display question mark of the website.

Solution:In CentOS 7, modify MySQL database character encoding to UTF-8, which contains all the characters needed by all countries in the world, is an international code.Specific operations:1. Log on to the MySQL console.Mysql-u root-pEnter

Basic settings for installing Pydio on Nginx in centos

There are a lot of cloud storage services, such as Baidu Cloud, 360 cloud, and Dropbox. Although the domestic cloud provides large space storage, it is always a bit weird, currently, Baidu cloud has a speed limit in terms of downloading. You have to

Tutorial on configuring Nginx Reverse proxy server load balancer in centos

Preparation:Proxy-Server: 1.1.1.22 (Server load balancer)Nginx-Server23: 1.1.1.23 (web23)Nginx-Server24: 1.1.1.24 (web24)Environment version:Linux Nginx-Proxy 2.6.32-358. el6.x86 _ 64 #1 SMP Fri Feb 22 00:31:26 UTC 2013 x86_64 x86_64 x86_64

Detailed steps for installing the Percona Server on CentOS 7

In this tutorial, we will learn how to install and configure the Percona Server in Centos 7. The Percona Server is an open-source MySQL and MariaDB alternative, especially the performance improvement of the InnoDB database engine, let more people

In centos, the general user is promoted to the root permission.

Here I have a new general user named 361way, which can be promoted to root as follows:Method 1: modify the/etc/sudoers file, find the following line, and remove the comment (#).# Allows people in group wheel to run all commands% Wheel ALL = (ALL)

Centos 6.4x64 postfix email system and dovecot pop3 settings

First MX resolutionA records mxdomain 188.188.188.188MX @ mxdomain.xxx.com// Postfix 2.6.6Yum install postfixVi/etc/postfix/main. cfMyhostname = mxdomain.xxx.comMydomain = xxx.comMyorigin = $ mydomain // The domain name after.Inet_interfaces = all //

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