ntp server configuration in linux

DHCP server configuration under CentOS6.5 DHCP DHCP (Dynamic Host Configuration Protocol) is a LAN network Protocol that uses UDP for two purposes: to automatically assign IP addresses to internal network or network service providers, the user or internal network administrator is described in RFC 2131 as a means of central management of all computers. DHCP has th

When the server uses the ntpd pair-client configuration to maintain the system time of the server cluster at the same time. The use of the program is essential. Ntpdate and ntpd are usually used. The "www.2cto. comntpdate" method will change the system time at the right time. when the server uses the ntpd pair, the cli

When the server uses the ntpd pair-client configuration to maintain the system time of the server cluster at the same time. The use of the program is essential. Ntpdate and ntpd are usually used. The www.2cto.com ntpdate method will change the system time at the right time, which has a great impact on some programs that depend on the system time to determine whet

DHCP Server Configuration: Dynamic Host Configuration Protocol (DHCP) is a LAN network protocol that uses UDP for two purposes: to automatically assign IP addresses to internal network or network service providers, it provides users or internal network administrators with central management measures for all computers. 1. Check whether the package required by the

Http://blog.chinaunix.net/space.php? Uid = 683300 Do = Blog cuid = 2105070 RecentlyCommunityBroadband network environment, based on MicrosoftMediaroom, and uses the Motorola box, p hd movie project, and the set-top box uses DHCP option 60Prevent non-set-top box clients from obtaining valid IP addresses and implement a series of configurations. There are not too many materials found on the Internet, so I will post the configuration. Network an

#脚本作用: Querying server configuration information#用法: IP is written to the current file host.txt the script is executed again#日期: 2018-1-15#作者: ￥￥￥Import ParamikoFrom multiprocessing import Pooldef main (hostname):SSH = Paramiko. Sshclient ()Ssh.set_missing_host_key_policy (Paramiko. Autoaddpolicy ())TrySsh.connect (hostname,22, "username", "password")ExceptWith open ("/tmp/error.txt", ' a ') as F:F.write ("

This article details the security configuration of the Nginx server, as follows: First, close SELinux Security-Enhanced Linux (SELinux) is a Linux kernel feature that provides security policy protection for access control. However, the added security and usage complexity of selinux is disproportionate and cost-effective Sed-i/selinux=enforcing/selinux=disabled//etc/selinux/config /usr/sbin/sestat

If you want to build a Linux server, and want to be able to maintain long-term, you need to consider security performance and speed, and many other factors. A proper Linux basic Security Configuration manual is particularly important. In my article I'll introduce you to the basic Security Configuration manual for Linux servers under Edhat/centos 4,5. Installatio