折腾了两天Vps, 真可恨呢~

几个月前挂了个hello-world在gce上, 也忘记关了. 今天一看账单扣了我60多刀, 我滴个神呢. 白花花的银子就这么没了.

可是手贱又把gcp的内存从1.7改成了0.6, 想着能省就省点吧. 鬼知道重新分配了个ip, 原来直联日本, 现在搞得要绕美国了, 延迟老高了. 哎~

Recently, I have a plan to order a new vps service, but some data need migration and backup to google drive. So I found a tool gdrive, Let’s begin!

Git容易忘的command

Summary

SSH Key分公钥和私钥, 私钥请自己妥善保管, 不要外泄。
另外采用ssh public key authentication是提升服务器安全与快捷措施之一。

Quick Start

通过git hooks快速将blog push到vps, 懒人必备。

转眼间2016就结束了，这一年发生了太多的事。有些感慨就写下来做个纪念吧。

This article is about oracle daily maintaince, mainly contains dba_users, v$session and dba_profiles the three parts.

Sometimes, varity business data need create restore point for differ performance test. So how to manange restore point and how to flashback, see the below ->

ILM is mean Information Lifecycle Management. It’s practice of applying policies for effective management of information throughout its useful life.

Implementing ILM Using Oracle Database
The offical documentation see here

A materialized view, or snapshot as they were previously known, is a table segment whose contents are periodically refreshed based on a query, either against a local or remote table. Using materialized views against remote tables is the simplest way to achieve replication of data between sites.