1,iptables -I INPUT 5 -m state --state NEW -p tcp --dport 80 -j ACCEPT…

本文主要简单介绍一下如何在RHEL 7 Pacemaker中配置一个fence_vmware_soap类型的STONITH设备(仅供测试学习). STONITH是Shoot-The-Other-Node-In-The-Head的简称,并且它能够保护数据使其不会因为节点异常或者同时访问而遭到损坏. 节点无反应并不代表它没有存取数据,如果想要百分百确认数据安全的话,需要使用STONITH来隔离节点,以确保在目前的节点已经离线后其它节点才能正常存取数据. STONITH也能用于集群服务无法停下的情况.…

Purpose This article provides steps for extending the root partition residing in a logical volume created with Logical Volume Manager (LVM) in a virtual machine running Red Hat/Cent OS. Resolution To extend the logical volume: Note: These steps only…

本文主要简单介绍一下如何在RHEL 7 Pacemaker中配置一个fence_vmware_soap类型的STONITH设备(仅供测试学习). STONITH是Shoot-The-Other-Node-In-The-Head的简称,并且它能够保护数据使其不会因为节点异常或者同时访问而遭到损坏. 节点无反应并不代表它没有存取数据,如果想要百分百确认数据安全的话,需要使用STONITH来隔离节点,以确保在目前的节点已经离线后其它节点才能正常存取数据. STONITH也能用于集群服务无法停下的情况.…

本文主要简单介绍一下如何在RHEL 7 Pacemaker中配置一个fence_vmware_soap类型的STONITH设备(仅供测试学习). STONITH是Shoot-The-Other-Node-In-The-Head的简称,并且它能够保护数据使其不会因为节点异常或者同时访问而遭到损坏. 节点无反应并不代表它没有存取数据,如果想要百分百确认数据安全的话,需要使用STONITH来隔离节点,以确保在目前的节点已经离线后其它节点才能正常存取数据. STONITH也能用于集群服务无法停下的情况.…

Authentication using SASL/Kerberos Prerequisites KerberosIf your organization is already using a Kerberos server (for example, by using Active Directory), there is no need to install a new server just for Kafka. Otherwise you will need to install one…

Prerequisites KerberosIf your organization is already using a Kerberos server (for example, by using Active Directory), there is no need to install a new server just for Kafka. Otherwise you will need to install one, your Linux vendor likely has pack…

CentOS / Redhat : Configure CentOS as a Software Router with two interfaces   Linux can be easily configured to share an internet connection using iptables. All you need to have is, two network interface cards as follows: a) Your internal (LAN) netwo…

Something you need to perform after RedHat 6.x installed YUM Repos % yum update % rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm % rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm Developm…

source url:http://tecadmin.net/ip-failover-setup-using-keepalived-on-centos-redhat-6/ Keepalived is used for IP failover between two servers. It facilities for load balancing and high-availability to Linux based infrastructures. It works on VRRP ( Vi…