操作系统：Centos,Ubuntu,Redhat,suse,Freebsd
网站服务：nginx,apache,lighttpd,php,tomcat,resin
数据 库：MySQL,MariaDB,PostgreSQL
DB中间件：maxscale ,atlas,cobar,amoeba,MySQL-proxy
代理相关：lvs,keepalived,haproxy,nginx,heartbeat
NOSQL库：Redis,Memcached,MongoDB,Memcachedb,Cassandra,CouchDB
存储相关：Nfs,Moosefs(mfs),Hadoop,glusterfs,lustre,FastDFS
监控报警：nagios,cacti,zabbix,munin,hyperic,mrtg,graphite
域名解析：bind,powerdns,dnsmasq
同步软件：scp,rsync,inotify,sersync,drbd,csync2,union,lsyncd
批量管理：Ssh Key,Saltstack,expect,puppet,ansible,cfengine
云计 算：openstack,docker,cloudstack
内网软件：iptables,zebra,iftraf,ntop,tc,iftop
邮件软件：qmail,posfix,sendmail,zimbra
远程拨号：openvpn,pptp,openswan,ipip
队列工具：ActiveMQ,RabbitMQ,Metaq,MemcacheQ,Zeromq
测试软件：ab,JMeter,Webbench,LoadRunner,http_load,tcpcopy
性能测试：dd, fio(IOPS测试),iozone(磁盘测试)
日志：rsyslog,Awstats,flume,storm,ELK(Elasticsearch+Logstash+Kibana)
软件安装：rpm,yum（设计rpm包定制及yum仓库构建）
大数据：HDFS,Hive,Hbase,Zookeeper,Pig,Spark,Mahout
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