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nagios 監控

監控 windows 主機的 MSSQLSERVER 服務的運作狀況 check_command check_nt!SERVICESTATE!-d SHOWALL -l MSSQLSERVER

一般分頁初始化失敗 0x80090016 機碼組不存在

工作排程器異常：一般分頁初始化失敗 0x80090016 機碼組不存在
解決方法：
到%SystemDrive%\Documents and Settings\All Users\Application Data\Microsoft\Crypto\RSA\S-1-5-18\
將d42開頭的檔案刪除，排程就恢復正常了，刪除後會自動產生.

電源供應器相關

PFC(Power Factor Correction)功率因素校正，共有
1.交換式PFC(無PFC)
2.被動式PFC
3.主動式PFC(節省電費)
通過80lus認證意味著系統在輕載、中載、滿載情況下都能發揮
至少80%以上的轉換率，目前大部的的產品都有APFC，PF可達0.99

瓦數試算網址：
http://extreme.outervision.com/psucalculatorlite.jsp
http://support.asus.com/powersupply.aspx?Slanguage=zh-tw

CentOS no-ip 設定

[root@test ~]# wget https://www.no-ip.com/client/linux/noip-duc-linux.tar.gz
[root@test ~]# tar -zxvf noip-duc-linux.tar.gz
[root@test ~]# cd noip-2.1.9-1/
[root@test noip-2.1.9-1]# make
[root@test noip-2.1.9-1]# make install
if [ ! -d /usr/local/bin ]; then mkdir -p /usr/local/bin;fi
if [ ! -d /usr/local/etc ]; then mkdir -p /usr/local/etc;fi
cp noip2 /usr/local/bin/noip2
/usr/local/bin/noip2 -C -c /tmp/no-ip2.conf

Auto configuration for Linux client of no-ip.com.

Please enter the login/email string for no-ip.com xxx
Please enter the password for user 'xxx' ********
Do you wish to run something at successful update?[N] (y/N) y
Please enter the script/program name noip2

New configuration file '/tmp/no-ip2.conf' created.

mv /tmp/no-ip2.conf /usr/local/etc/no-ip2.conf

(1)-S：查看狀態；-c：重新設定
[root@test ~]# noip2 -S
No noip2 processes active.

Configuration data from /usr/local/etc/no-ip2.conf.
Account xxx
configured for:
host xxx.no-ip.info
Executing /root/noip-2.1.9-1/noip2 upon successful update.
Updating every 30 minutes via /dev/eth0 with NAT enabled.
(2)設定開機啟動：
[root@test ~]# vim /etc/rc.d/rc.local
/usr/local/bin/noip2

server 2003 關機很久

參考網址：
http://blog.yam.com/johnson_chen/article/10641612

http://support.microsoft.com/kb/837115/zh-tw

http://support.microsoft.com/kb/324268

官方下載：
http://www.microsoft.com/downloads/zh-tw/details.aspx?familyid=1b286e6d-8912-4e18-b570-42470e2f3582&displaylang=zh-tw

Cisco Switch port mirror 設定

config# monitor session 1 source interface Fa0/10
config# monitor session 1 destination interface Fa0/11