http://www.howtoforge.com/logical-volume-manager-how-can-i-extend-a-volume-group
It is a good choice to use LVM on Linux. It provides flexible storage management than any other traditional physical partitoning. With LVM, you can easily create, d...
根据一项调查，灵感在下午最不可能出现，显示办公室职员在午饭后没多少解决问题的机会。最不具有创造力的时刻是下午4.33pm，有92%的人承认下午无想像力，而大脑最具有创造力的时刻是...
SIP through firewalls is still a big issue. The SIP protocol is fairly complex. The main issues being that the media path is independent of the signalling path. Once a call is setup through SIP between two endpoints, the RTP media stream flows between...
crontab命令格式
crontab -u 设定用户的cron服务，一般root用户在执行这个命令的时候需要此参数
crontab -l 列出用户cron服务的详细内容
crontab -r 删除用户的cron服务
crontab -e 编辑用...
CentOS 必需的安装包
* GNOME Desktop Environment
* Editors
* Graphical Internet
* Text-based Internet
* Development Libraries
* Development Tools
* Legacy Software Development
* Server Configuration...
用Oracle的Universal Installer卸载的吧，那个卸载不完全！
应该手工卸载：
1、停止所有Oracle相关服务；
2、删除Oracle安装目录；
3、删除C:\Program\Oracle目录； ...
121.14.74.245-121.14.74.246
121.14.75.50-121.14.75.64
121.14.77.105-121.14.77.107
219.133.38.135-219.133.38.136
219.133.40.130-219.133.40.179
219.133.48.52-219.133.48.102
219.133.49.163-219.133.49.216
219.133....
