摘要:
problem: Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the 阅读全文
摘要:
目标:配置一个keepalived双机热备架构,并配置主从复制 规划: master1 zlm177 192.168.17.177 master2 zlm188 192.168.17.188 vip 192.168.17.166 环境: Red Hat Enterprise Linux 6.4 Pe 阅读全文