个人运维笔记记录

Zabbix is an open source software for networks and application monitoring. Zabbix provides agents to monitor remote hosts as well as Zabbix includes support for monitoring via SNMP, TCP and ICMP check...

配置yum源 追加CentOS 6.5的epel及remi源。 # rpm -Uvh http://ftp.iij.ad.jp/pub/linux/fedora/epel/6/x86_64/epel-release-6-8.noarch.rpm # rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm 以下是Cen...

DISTINCT关键字经常在MySQL中使用，在mysql5.7以前的版本中一般没有什么问题，但是在5.7以后的版本中会遇到这样的错误 Caused by: java.sql.SQLException: Expression #1 of ORDER BY clause is not in SELECT list, references column ‘game.giftbag0_.create_d...