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Simple CentOS Optimization

Optimization 1. Modify the IP address, gateway, host name, DNS, etc. [root@localhost ~] # vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 # Nic name BOOTPROTO=static # Static IP address retrieval status, for example, DHCP indicates automatic IP address Retrieval IPADDR=192.168.1.113 # IP Address NETMASK=255.255.255.0 # Subnet Mask ONBOOT= yes # Activation during boot GATEWAY=192.168.1.1 [root@localhost ~] # cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 BOOTPROTO=static IP

How to optimize the production environment of CentOS (5.8/6.4)

Chinese characters and display Kernel Parameter Optimization on the screen before kernel version Logon 1. Modify the IP address, gateway, host name, DNS, etc. [Root @ localhost ~] # Vi/etc/sysconfig/network-scripts/ifcfg-eth0DEVICE = eth0 # Nic name BOOTPROTO = static # static IP address acquisition status such: DHCP indicates Automatically Obtaining the IP address IPADDR = 192.168.1.113 # IP address NETMASK = 255.255.255.0 # subnet mask ONBOOT = yes # enable GATEWAY = 192.168.1.1 during boot

Basic Optimization after CentOS6.4 system installation

version Logon 1. Modify the IP address, gateway, host name, DNS, etc. [Root @ localhost ~] # Vi/etc/sysconfig/network-scripts/ifcfg-eth0DEVICE = eth0 # Nic name BOOTPROTO = static # static IP address acquisition status such: DHCP indicates Automatically Obtaining the IP address IPADDR = 192.168.1.113 # IP address NETMASK = 255.255.255.0 # subnet mask ONBOOT = yes # enable GATEWAY = 192.168.1.1 during boot [root @ localhost ~] # Cat/etc/sysconfig/network-scripts/ifcfg-eth0DEVICE = eth0BOOTPROT

Basic optimization of centos5.8/6.4 system after installation

version before login screen display Kernel parameter optimization 1, modify IP address, gateway, host name, DNS, etc. [Root@localhost ~]# vi/etc/sysconfig/network-scripts/ifcfg-eth0 device=eth0 #网卡名字 bootproto=static #静态IP地址获取状 States such as: DHCP means to automatically obtain IP address ipaddr=192.168.1.113 #IP地址 netmask=255.255.255.0 #子网掩码 onboot=yes #引导时是否激活 gateway=192.168.1.1 [root@localhost ~]# cat/etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 BOOTPROTO= S

How to optimize CentOS (5.8/6.4) Linux production environment

support Chinese Characters Remove screen display before system and kernel version Logon Kernel Parameter Optimization 1. Modify the IP address, gateway, host name, DNS, etc. [Root @ localhost ~] # Vi/etc/sysconfig/network-scripts/ifcfg-eth0DEVICE = eth0 # Nic nameBOOTPROTO = static # obtain the static IP address. For example, DHCP indicates that the IP address is automatically obtained.IPADDR = 192.168.1.113 # IP AddressNETMASK = 255.255.255.0 # Subnet MaskONBOOT = yes # activate during boot

Basic Optimization after Linux system installation-Based on CentOS (5.8/6.4)

. Modify the IP address, gateway, host name, DNS, etc. [Root @ localhost ~] # Vi/etc/sysconfig/network-scripts/ifcfg-eth0DEVICE = eth0 # Nic nameBOOTPROTO = static # obtain the static IP address. For example, DHCP indicates that the IP address is automatically obtained.IPADDR = 192.168.1.113 # IP AddressNETMASK = 255.255.255.0 # Subnet MaskONBOOT = yes # activate during bootGATEWAY = 192.168.1.1[Root @ localhost ~] # Cat/etc/sysconfig/network-scripts/ifcfg-eth0DEVICE = eth0BOOTPROTO = staticIPAD

Apache Deployment Tutorial

pack before installing Apache. [Root@c64-web ~]# yum groupinstall "Development Tools" "Server Platform Development"-y #安装这两个开发环境的软件包组[Root@c64-web ~]# yum install pcre*-y #安装pcre兼容的正则表达式 Since the httpd-2.4.6 version we have installed is newer, the default development environment pack has a lower version of the APR package, which supports only the httpd version of the 2.2.x series, where at least 1.4 ver

Linux under SSH remote Connection service Slow solution

1. The applicable order and scheme are as follows:"Remote Connect and Execute command"SSH-P22 [email protected]SSH-P22 [email protected] /sbin/ifconfig"Remote copy: Push and Pull"Scp-p22-r-p/etc [email protected]:/tmp/Scp-p22-r-P [email protected]:/tmp//etc"Secure FTP Feature"sftp-oport=22 [email protected]"No Password Authentication scheme"For example, use Sshkey to bulk distribute files and perform deployment operations.2, the main reason for the slow connection is that DNS resolution causesWo

Linux implementation of the NTP server deployment practice

The Linux Combat Deployment series of NTP server----theory to introduce the concept of time and the principles of NTP, this blog will bring you to deploy a production environment to achieve simple load balancing and highly available NTP server. Simple architecture Diagram: Environment: CentOS6.4 x86_64Server-1 192.168.1.111 NTP server 1Server-2 192.168.1.112 NTP server 2Client 192.168.1.113 as a business Server for clientsNtp-4.2.4p8-3.el6.centos.x86_64 One, NTP servic

Linux under SSH remote Connection service Slow solution

host name and Uname-n results, either native IP and hostname (UNAME-N results) are added to the/etc/hosts. [ROOT@C64 ~]# uname-n C64 root@c64 ~]# cat/etc/hosts #modi by oldboy 11:12 2013/9/24 C64 localhost localhost.localdomain localhost4 localhost4.localdomain4 :: 1 localhost Localhost.loca

Solution to slow SSH remote connection under CentOS

1. Applicable commands and solutions are as follows:Remote connection and Command Execution]Ssh-p22 root@10.0.0.19Ssh-p22 root@10.0.0.19/sbin/ifconfig[Remote copy: Push and pull]Scp-P22-r-p/etc root@10.0.0.19:/tmp/Scp-P22-r-p root@10.0.0.19:/tmp/etc[Secure FTP function]Sftp-oPort = 22 root@10.0.0.19[Password-free verification plan]For example, you can use sshkey to batch distribute files and perform deployment operations. 2. The primary cause of slow connection is DNS resolution.Solution: 1. Cha

Slow SSH remote connection solution in linux

Slow SSH remote connection solution in linux 1. Applicable commands and solutions are as follows:Remote connection and Command Execution]Ssh-p22 root@10.0.0.19Ssh-p22 root@10.0.0.19/sbin/ifconfigRemote copy: Push and pull]Scp-P22-r-p/etc root@10.0.0.19:/tmp/Scp-P22-r-p root@10.0.0.19:/tmp/etcSecure FTP Functions]Sftp-oPort = 22 root@10.0.0.19Password-free verification plan]For example, you can use sshkey to batch distribute files and perform deployment operations. 2. The primary cause of slow co

The deployment theory of NTP server under Linux

particular time zone, we can use the Zdump command [Root@c64-client ~]# zdump Cuba Sat Nov 2 08:42:13 CDT 2013 #古巴的时间已经出来了 But what happens when we want to change the time zone? 1. Modify/etc/localtime File The/etc/localtime file defines the local time zone we are in, and we can change the time zone by copying the time zone file we need from/usr/share/zoneinfo/to replace/etc/localtime for example, Here we change the time zone to Cuba's time

Apache Tuning Tutorial

Name First, the source code official, the patch in time to hit As we mentioned in the Apache deployment, we need to validate the downloaded source package, we are in the selection of Apache source installation package, we must go to the official website, do not go to a messy site to download, to prevent the source code package by the ulterior motives of the people moved hands and feet, resulting in the face of the company's business does not need to lose. In addition to Apache security and p

Maintenance of NTP server under Linux

The NTP server----operation of the Linux real-World Deployment series explains how to deploy a load-balanced and highly available NTP server under a simple architecture. Next, we need to understand the maintenance of the technology, so as to better escort the company's business AH. NTP server maintenance is divided into 2 parts, the first part of day-to-day management commands and common operations, the second part of the error of the Troubleshooting and solutions Part I: Management commands

Get started on your own KD 8 custom colorway

The Summer time Nike Basketball revealed the Cheap KD 8 and revealed three mvp-inspired colors to guide the charge fo R that new signature model. The ultimate leg from the first wave was that this gray/eco-friendly coloring ways known as ' hunts Hill Sunset ', which SYMB Olized all of the rigorous sprints on the steep street in the home town that Durant suffered throughout his pre-national b Asketball Association days.Provide your Cheap KD 8 Shoes A graffiti-like transformation, without obtainin

CentOS6.4adsl China Telecom broadband dial-up online configuration

. you can see that you have successfully logged on to this account. We can ping the Baidu IP address to see if it is okay, so we can go online.[Root @ localhost ~] # Ping 121.14.88.14PING 121.14.88.14 (121.14.88.14) 56 (84) bytes of data.64 bytes from 121.14.88.14: icmp_seq = 1 ttl = 54time = 17.7 MS64 bytes from 121.14.88.14: icmp_seq = 2 ttl = 54 time = 17.7 MS64 bytes from 121.14.88.14: icmp_seq = 3 ttl = 54time = 17.6 MS64 bytes from 121.14.88.14: icmp_seq = 4 ttl = 54time = 17.7 MS64 bytes

CentOS 6.4 Telecom broadband connection network configuration

= 54time = 17.7 MS64 bytes from 121.14.88.14: icmp_seq = 5 ttl = 54 time = 17.7 MS^ C64 bytes from 121.14.88.14: icmp_seq = 6 ttl = 54 time = 17.6 MS64 bytes from 121.14.88.14: icmp_seq = 7 ttl = 54 time = 17.7 MS64 bytes from 121.14.88.14: icmp_seq = 8 ttl = 54 time = 17.6 MS64 bytes from 121.14.88.14: icmp_seq = 9 ttl = 54 time = 17.7 MS64 bytes from 121.14.88.14: icmp_seq = 10 ttl = 54 time = 17.7 MS64 bytes from 121.14.88.14: icmp_seq = 11 ttl =

Apache Advanced Tutorial

This blog post is the second of the Linux Web Architecture series of Apache, I will take you to learn the Apache compiler parameters, directory structure and configuration files and other aspects of knowledge, to achieve a further command of the Apache service, and make it better to apply to the production of combat. First, compile the parameter In the previous Apache deployment, we used a lot of compilation parameters, in fact, the Apache compiler parameters are not only these, these are only

The application of WPS form to solve the problem of students ' checking and classification

First, input the basic information and use the function to calculate the required data 1, run the WPS form a new blank work thin, enter the student's name, grades and other basic information, set the text and table format (Figure 1). Figure 1 2, respectively in the following cell input related formulas, complete the calculation of the relevant data: Cell Formula Description J3 =sum (C3:I3) Calculate the total score of each section of the he

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