閒置/自動 & 關機/登出

[閒置一個小時自動登出]
SCHTASKS /Create /SC ONIDLE /TN idle-logout /TR "logoff" -i 60 /RU administrator /RP *****


[閒置一個半小時自動關機]
SCHTASKS /Create /SC ONIDLE /TN idle-shutdown /TR "shutdown -f -s -t 30 -c "閒置過久，電腦即將關機。"" -i 90 /RU administrator /RP ******


[04:44:44強制關機]
SCHTASKS /Create /SC DAILY /TN shutdown /TR "shutdown -f -s -t 600 -c "關機中，請盡速儲存所使用的資料。"" /ST 04:44:44 /RU administrator /RP ******

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其中***為系統管理員的密碼

iperf - 測速率軟體

iperf --help
Usage: iperf [-s|-c host] [options]
iperf [-h|--help] [-v|--version]

Client/Server:
-f, --format [kmKM] format to report: Kbits, Mbits, KBytes, MBytes
-i, --interval # seconds between periodic bandwidth reports
-l, --len #[KM] length of buffer to read or write (default 8 KB)
-m, --print_mss print TCP maximum segment size (MTU - TCP/IP header)
-p, --port # server port to listen on/connect to
-u, --udp use UDP rather than TCP
-w, --window #[KM] TCP window size (socket buffer size)
-B, --bind bind to , an interface or multicast address
-C, --compatibility for use with older versions does not sent extra msgs
-M, --mss # set TCP maximum segment size (MTU - 40 bytes)
-N, --nodelay set TCP no delay, disabling Nagle's Algorithm
-V, --IPv6Version Set the domain to IPv6

Server specific:
-s, --server run in server mode
-U, --single_udp run in single threaded UDP mode
-D, --daemon run the server as a daemon

Client specific:
-b, --bandwidth #[KM] for UDP, bandwidth to send at in bits/sec
(default 1 Mbit/sec, implies -u)
-c, --client run in client mode, connecting to
-d, --dualtest Do a bidirectional test simultaneously
-n, --num #[KM] number of bytes to transmit (instead of -t)
-r, --tradeoff Do a bidirectional test individually
-t, --time # time in seconds to transmit for (default 10 secs)
-F, --fileinput input the data to be transmitted from a file
-I, --stdin input the data to be transmitted from stdin
-L, --listenport # port to recieve bidirectional tests back on
-P, --parallel # number of parallel client threads to run
-T, --ttl # time-to-live, for multicast (default 1)

Miscellaneous:
-h, --help print this message and quit
-v, --version print version information and quit

[KM] Indicates options that support a K or M suffix for kilo- or mega-

The TCP window size option can be set by the environment variable
TCP_WINDOW_SIZE. Most other options can be set by an environment variable
IPERF_, such as IPERF_BANDWIDTH.

Report bugs to

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之前只有用過ttcp和netperf　這個倒是沒用過　XD

Drupal - Mailhandler commands system

http://drupal.org/node/38943

郵件主機設定 postfix

http://linux.vbird.org/linux_server/0380mail.php#postfix_basic

萬用的鳥哥 XD

啟用php imap的功能

在fedora很簡單 直接yum XD

yum install php-imap

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不過在修好yum站台路徑前 有試著抓rpm下來裝
可是因為相依性的問題 libc-client似乎也要更新

不過打yum的時候 就會順便一起裝 XD

snort

http://zh.wikipedia.org/zh/Snort

基本指令：偵測模式

若你想要在螢幕上顯示網路封包的標頭檔（header）內容，請使用
./snort -v

如果想要在螢幕上顯示正在傳輸的封包標頭檔內容，請使用
./snort -vd

如果除了以上顯示的內容之外，欲另外顯示資料連結層的資料的話，請使用
./snort -vde

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改天來玩玩 XD

網卡設定檔路徑

nano /etc/sysconfig/network-scripts/ifcfg-eth0

grub 選單 - 鳥哥

http://linux.vbird.org/linux_basic/0510osloader.php

kernel-panic

打重點：

開機時出現kernel panic的問題

原本以為是開機磁區問題　重新安裝grub還是一樣

後來用mkinitrd就解決了　XD


先用fedora的光碟進入救援模式

chroot /mnt/sysimage/
mkinitrd /boot/initrd-2.6.20-1.2320.fc5smp.img 2.6.20-1.2320.fc5smp

那些數字是你自己的kernel版本 不要傻傻的照打 XD


ref:
http://www.linuxquestions.org/questions/linux-software-2/kernel-panic-not-syncing-attempted-to-kill-init-261681/

html 特殊字元

http://ascii.cl/htmlcodes.htm

忘記要弄這個 XD