A Question,No Answer.....

Simple Unix/Linux Text Editing Command

tester — Fri, 20 Nov 2009 11:06:10 +0000

-Print

cat

synopsis : cat [OPTION]… [FILE]…

description: concatenate files and print on the standard output

tac

synopsis : tac [OPTION]… [FILE]…

description: concatenate and print files in reverse

-Compare

cmp

synopsis : cmp [-c] [-i N] [-l] [-s] [-v] file1 file2

description: compare two files

diff

synopsis : diff [-b] [-i] [-t] [-w] [-c] [-C] [-e] [...]

IPv4 Address

tester — Sat, 25 Jul 2009 15:02:02 +0000

1. IPv4 Address Classes block

Class

Address

Starts of bits

Network bits

Host bits

Function

0.0.0.0 ~ 127.255.255.255

Unicast

128.0.0.0 ~ 191.255.255.255

Unicast

192.0.0.0 ~ 223.255.255.255

110

Unicast

224.0.0.0 ~ 239.255.255.255

1110

Multicast

240.0.0.0 ~ 255.255.255.255

1111

Reserved

2. [...]

Windows XP Sechedule Rebooting or Shutdown

tester — Sun, 19 Jul 2009 14:28:09 +0000

There are two command line utilities.

1. shutdown <==Remote PC

Usage: shutdown [-l | -s | -r | -a] [-f] [-m \\Computer name] [-t xx] [-c "comment"] [-d up:xx:yy]

No args Display information about the shutdown command. -i Display a GUI. It must be the first switch [...]

Debian Server’s basic security configuration

tester — Sun, 19 Jul 2009 13:52:07 +0000

If you using the Debian Web Server, Check these security configurations.

======Changing TELNET banner======

# more /etc/issue.net !!!!!WARNNING!!!!!! %h <== Warnning Message

======Disable ICMP ECHO======

# echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all or # more /etc/sysctl.conf # [...]

Simple IP configuration Utility(Neo IP)

tester — Tue, 07 Jul 2009 23:51:04 +0000

I have a Toshiba notebook. The benefits of notebook is no limitation of place. But the ip address must be configured to access to the internet.

Whenever You have to configure IP address, It is difficult that You remember accurate ip address.

Try this program. This program is helpful to You. Unfortunately, This program’s language is not [...]

Cisco Configuration Register

tester — Mon, 06 Jul 2009 13:57:22 +0000

Configuration Register Setting(From cisco home page)

0×102

Ignores break, 9600 console baud

0×1202

1200 baud rate

0×2101

Boots into bootstrap, Ignores break, Boots into ROM if initial boot fails, 9600 console baud rate

0×2102

Ignores break, Boots into ROM if initial boot fails, 9600 console baud rate default value for most platforms

0×2120

Boots into ROMmon, 19200 [...]

Regular Expression Editor

tester — Mon, 06 Jul 2009 08:42:02 +0000

I am not a professional programer. But occasionally, I have made use of tcl scripting language. So, Regular expression is need to make the script.

WEB version

It’s not install program. This is the WEB vesion Regular Expression Editor.

RegExr: http://www.gskinner.com/blog/archives/2008/03/regexr_free_onl.html

http://www.gskinner.com/RegExr/

Windows XP’s Program

Visual REGEXP(Pattern mathing program by Tcl)

<==Stand alone executing program

http://laurent.riesterer.free.fr/regexp/

Regex Coach

<==”msvcr80.dll” file is [...]

Apache2 configuration(Rewrite module)

tester — Sun, 05 Jul 2009 15:32:36 +0000

My WEB Server has the two home pages(phpBB3,mediawiki) in my own user’s paths.

I have installed phpBB3 in the path ~/public_html/phpBB3 and mediawiki in the path ~/public_html/wiki

And My WEB Server’s document root path was changed to user’s ~/public_html.

debian:/etc/apache2/sites-available# more default

</Directory>

RewriteEngine on

RewriteCond %{REQUEST_METHOD} ^TRACE

RewriteRule .* – [F]

RewriteCond %{HTTP_HOST} !^$

RewriteRule ^/wiki(.*)$ /home/test/public_html/wiki/$1

<==The path specified by http://domain/wiki is [...]

Ethereal(A Network Protocol Analyzer)

tester — Sun, 05 Jul 2009 13:52:38 +0000

Do you want to find the Ethereal program? Perhaps, It is difficult to find out.

Download it the next link.(two files!!)

http://notes.textcube.com/65

It’s version is 0.99.0 that is last program. And it is compressed with 7-zip.

PS) The Current Project is WireShark . And Now Wireshark’s version is 1.2.0.

IF [...]

Country IP database(IP blocks)

tester — Wed, 01 Jul 2009 23:38:59 +0000

I had operated a private server. The Server’s OS was Linux DEBIAN.

Cracking was critical problem to my Server Because I’m not professional. I could not find out whether the Sever was broken into…

So I had used the Linux’s iptables package.

Refer to next homepage. This site have the information for indivisual Country’s IP blocks. It can [...]