ay to get length of the string.
The simplest one is ${#varname}, which returns the length of the valu... ng
expr match "$string" '$substring'
$substring is a regular expression.
expr "$string" : '$substring'
$substring is a regular expression.
stringZ=abcABC123ABCabc
#... (in #3 position) matches before '1'.</code>
This is the near equivalent of strchr() in C.
==== Substr
Wireless_Networks))
===== Overview =====
This is a good one, let me tell you! There can be so many issues setting up your box to actually get the tools... l set called AirCrack. Download that.
* Kismet is an excellent tool for sniffing out wireless netwo... e (sometimes called raw monitor or rfmon). **This is VERY important**
===== WEP Crackin =====
====
a nation and all its provinces, the Linux kernel is the central program that not only governs how pro... the Fedora Linux kernel installed on your system is probably sufficient. The installation process cho... o rebuild the kernel at times. For example, there is no installation RPM for multiprocessor systems wi... ilding the kernel in a small business environment is usually unnecessary. If your system starts to slo
:playground|playground]] page. The simpler markup is easily accessible via [[doku>toolbar|quickbuttons... ollowed by a whitespace or the end of line.
This is some text with some linebreaks\\ Note that the
tw... \ a whitespace \\this happens without it.
This is some text with some linebreaks\\ Note that the
... doku>namespaces]].
Linking to a specific section is possible, too. Just add the section name behind a
rs =====
==== integer comparison ====
----
-eq
is equal to
<code> if [ "$a" -eq "$b" ]</code>
----
-ne
is not equal to
<code> if [ "$a" -ne "$b" ]</code>
----
-gt
is greater than
<code> if [ "$a" -gt "$b" ]</code>
----
-ge
is greater than or equal to
<code>if [ "$a" -ge "$b
ent - this file exists if the wrapping passphrase is independent from login passphrase
</code>
===... and you did not record your mount passphrase, it is impossible to access your encrypted data.
===== ... you more functionality in your home directory. It is also easier to do. The second will be the short w... about your system and how you partitioned it. It is more difficult to get more functionality, but is
metimes it doesn't. Occasionally the skill level is displayed on the machines front LED display if there is now LED readout by the switch. Press the switch a... ing a Single Bonus increases 10 times.
3 Bets It is a state that 3 tokens are put in to play the mach... ine. It gives the player maximum pay lines. There is little point in betting only 1 token since the wi
= What Are All These Commands? ====
*- -webpage is the document type that specifies unstructured fil... page breaks between each file.
* -f output.pdf is the file name that you will save all the documents into and also the type of file it is. In this example it is a PDF file.
* filename.html is the name of the file that you want to be con
Howto Setup Linux as router for ppp dial up (PSTN/ISDN) connections ======
Quelle((http://www.cyberci... in two (2) minutes. I'm assuming that your setup is as follows:
(A) You are using RedHat Linux, FC l... ork with ALL Other distros as well :D )
(B) ppp0 is internet interface (connected to Modem for exampl... Box --> ppp0 (comes up when you dial up into ISP)
Step # 1 Turn on ip forwarding in kernel
1) O
"$X" ]; then # -n tests to see if the argument is non empty
echo "the variable X is not the empty string"
else
echo "empty!"
fi
</code>
http:... length
1
-d
there exists a directory whose name is operand
1
-f
there exists a file whose name is operand
1
-eq
the operands are integers and they are
lle((http://www.linfo.org/vmlinuz.html))
vmlinuz is the name of the Linux kernel executable.
A kernel is a program that constitutes the central core of a computer operating system. It is the first thing that is loaded into memory (which physically consists of RAM chips) when a computer i
rt</code>
You can test whether the Squid process is running with the pgrep command:
<code>[root@bigb... onf File =====
The main Squid configuration file is squid.conf, and, like most Linux applications, Sq... he visible_hostname parameter. Here, the hostname is set to the real name of the server bigboy.
<code... al http_access statement denies everything, so it is best to place new http_access statements above it
in2000/xina.htm))
XINA Background.
Pinball 2000 is controlled by a personal computer located in the ... the game. The Operating System controlling the PC is called XINA (which stands for It's Not APPLE, {Ap... PPLE was the operating system used for WPC). XINA is unique in it's command structure (ordinary UNIX /... ecute the parameters surrounding the game.
XINA is actually an application layer on top of PC-XINU,
2.1. Boot ROM ====
=== Etherboot ===
Etherboot is a very popular open-source bootrom project. It co... load at most a 32 kilo-byte file. A Linux kernel is quite a bit larger than that.
Therefore, we set... a 2nd stage boot-loader called pxelinux. pxelinux is small enough to be loaded, and it knows how to lo... x kernel.
== PXE: Booten über Netzwerk ==
(PXE ist eine DHCP-ERweiterung, um ber Ethernet zu booten
all the current driver in Ubuntu's repository. It is older than the one AMD has released, but will be supported by the Ubuntu people. Catalyst 8.3 is in the repositories.
<code>
$ sudo apt-get updat... 1/xorg.conf
</code>
In the device section, if it is not already there add:
<code>
/etc/X11/xorg.conf... river "fglrx"
</code>
Then to make sure Xorg is set up correctly, you'll have to let aticonfig "i