Send email notification when keepalived dual-machine Hot Standby is enabled for FaultCurrently, the project has used nginx to achieve load balancing, but there is only one nginx scheduler. The previous unexpected shutdown caused the entire service
PreparationsInstall the compiling environment:# Yum groupinstall Development Tools# Yum groupinstall Development Libraries# Yum install mysql-devel postgresql-devel submit CT libtool-ltdl-devel gamin-devel pcre-develDuring compilation, you need to
The NameNode in the hdfs cluster has SPOF ). For clusters with only one NameNode, if an unexpected downtime occurs on the NameNode machine, the entire cluster will not be available until the NameNode restarts. Hdfs ha function implements hot backup
In CentOS5.564bit, postfix + dovecot + sasl2 + webmail, mail authentication, and email account usageSystem user name.
The Simple Mail Server is not a professional set up of a complete enterprise mailbox. It is not installed on mailcharts, spam, and
In liunx, you can send emails in text format to yourself on your computer in advance, although it looks messy, however, you can know how to send an email by sending it.
MUA Mail User Agent (Mail User Agent) such as foxmail outlook
Mda mail
1. Cloudera ManagerCloudera Manager is an end-to-end application that manages CDH.Role– Management– Monitoring– Diagnostics– Integration• architecture Server– Management Console server and application logic– Responsible for software
Ii. Installing Hadoop and the services it needs1. CDH Installation OverviewCDH's full name is Cloudera's distribution including Apache Hadoop, a Hadoop distribution version of Cloudera Corporation. There are three ways of installing CDH:. Path
This article source: http://blog.csdn.net/bluishglc/article/details/48393291 prohibited any form of reprint, or will entrust CSDN official maintenance rights!Document
Installation and configuration:
#svn安装Yum install-y SubversionUninstall SVN old versionYum remove-y Subversionwget http://pkgs.repoforge.org/subversion/subversion-1.7.4-0.1.el6.rfx.x86_64.rpmInstall new versionRPM-IVH subversion-1.7.4-0.1.el6.rfx.x86_64.rpmCreate the SVN root
What is SPF? The SPF here is not a sunscreen index, but the sender Policy Framework. Translation is the originator of the policy framework, relatively awkward, usually directly referred to as SPF. SPF is a DNS-related technology whose contents are
SMTP (Simple Mail Transfer Protocol)SMPTD:TCP 25 service side.SMTP: Client. Random port, usually greater than 5000SMTP Status code:1XX Pure Information2xx correct3xx previous action not completed, to be added later4xx transient Error5XX Permanent
After we have installed the website service management system wdcp, we may have questions like this or that during use. Below are some points for you to learn. If you do not know anything, go to the wdlinux forum to find related tutorials.
1. how many software packages have been installed? [Root @ localhost ~] Rpm-qa | wc-l217 2, how to get
1. how many software packages have been installed?
[root@localhost ~]# rpm -qa | wc -l217
2. how do I know which software packages are installed?
[
Original content. For more information, see the source. 1yum install svnyuminstall-ysubversion wait for a while and the following content is displayed. Depend
Original content. For more information, see the source.1. install svn in yum
yum install
A few days ago, the rise wanted to play with HBase carefully, carefully to study, wrote a small demo, From Win7 to connect the hbase on another T510 Ubuntu. Very simple crud operation procedures, did not see what the problem, but run up, just like
Ldapsearch is used to verify LDAP authentication information. There are countless accounts in the enterprise after the organization is accumulated. one of the better solutions is to use LDAP. However, to verify whether Microsoft's ActiveDirectory
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