Linux setup default gateway with route command
如何用指令模式設定linux預設閘道器?? 在設定 route 之前先顯示一下該機器的 routing table. 可以直接用 route 命令 [USER@Aloha ~]$ route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref …
10.5: Disable Spotlight completely
from : http://www.macosxhints.com/article.php?story=20071102215912892 移除下列兩個檔案並重新開機就可以把 Spotlight 關閉 /System/Library/LaunchAgents/com.apple.Spotlight.plist /System/Library/LaunchDaemons/com.apple.metadata.mds.plist 如果你之後還想啟用 Spotlight , 那記得把這兩個檔案備份到一個安全的地方. 以便於之後還原 Spotlight 功能.
HOWTO TFTP Server
在 redhat, scientificlinux 內必須安裝 tftp 和 tftp-server 套件. 可用 yum install tftp tftp-server安裝. 然後編輯 /etc/xinetd.d/tftp 檔案. 把 disable = yes 改成 no. …
[openafs] copy acl of current directory to children directories.
find ./ -type d | sed -e ‘s/\ /\\\ /’ -e ‘s/\x27/\\\x27/’ | xargs -i fs copyacl -f . -t {}
count ssh failed login
grep “Failed password for invalid user” /var/log/secure | awk ‘{print substr($13,8)}’ | awk ‘{count[$1]++} END { for( i in count ) { …
Force SSL/https using .htaccess and mod_rewrite
From : http://www.besthostratings.com/articles/force-ssl-htaccess.html Sometimes you may need to make sure that the user is browsing your site over securte connection. An easy …
Cisco Switch debugging
檢查 interfaces 找看看有哪些異常. 下列斜體字就是基本該檢查的部份. e.g. reliability, Input queue, input / output rate, input errors, and so on.. cisco-3560#show interfaces GigabitEthernet0/1 is up, …
[javascript] Drag & Drop Sorting Demo
Demo 裡面的程式碼是我改寫別人的. 至於誰是那個程式擁有者我不太清楚. 如果有侵權請告知. i modified someone’s source codes. but, i don’t know who own that codes. if you are the author …
Delete over 14 Days Untouched Data, Automatically
如果有些暫存的資料夾. 定時想清理就可以用下列命令. 而我是比較懶惰. 我將指令放在 cron table裡面. 每天晚上凌晨自己讓電腦執行. crontab -e 0 0 * * * find /scratch/ -mindepth 2 -maxdepth 5 -mtime +14 …
Howto: Configure Linux Virtual Local Area Network (VLAN)
情境 : 我想組態某台 Linux 的 eth0 網路介面可以帶 VLAN100 and VLAN500 的 tags. 解決方案 : 在 Cisco Switch 上要先設定該 Linux Port. interface GigabitEthernet1/0/1 …