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Analog.5 Issue 1
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. Issue # 01 . | The Hak.5 | . .
: -----|---- |------------ | E - Zine | ------------| ----|--- :
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Analog.5 is a hacking eZine designed by the Hak5 community, for the Hak5
community. The editors of Analog.5 ask you to create articles to appear
in the ezine and help bring technolust to the masses. Articles can be any
size, and submited by email. Almost all entries are instantly accepted.
This zine is licensed under the Attribution-NonCommercial-ShareAlike 2.5
license. If you don't want your work to be redistributed, do not submit.
Analog5@Live.com
Famicoman Moonlit Mubix
Famicoman@live.com Moonlit@live.com Jd.mubix@gmail.com
Editor-In-Chief Executive editor Executive Editor
Table Of Contents.
Section.0.Analog.5: Update.....................................Famicoman
Section.1.//Madprops...........................................Famicoman
Section.2.Fedora Core 6: Frequently Answered Questions .......NickisGod1
The Amazing Analog.5 Logo and Ascii art was designed by Sprecker
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. Section 0 . |--------------| |--------------| . .
Analog.5: Update
As you can see, the turnout for this issue was lackluster. It got to the
point I considered releasing next month, skipping the day this came out,
but I made a commitment to this schedule. Anyways... I did find alot of
people wanting to contribute, people did have trouble in certain ways,
though. Because of this, I have compiled a list of soultions.
First, some people stated that they really wanted to contribute, but
had no idea what they wanted to write about. In short, a desire without
direction. Because of this, I have put up a request page, fully editable
by the community up on the wiki. This page consists of a bulleted list
where people can name articles they want to see and have others carry
out. I believe that this will help not only people that want to write
articles, but also people who want to read articles pertaining to
their interests. The url follows...
http://hak5.org/wiki/Analog5:Requests
Second, sope people said that they wanted to write, but had tough
schedules, and wanted to know when I wanted articles by. Well, I
assume everyone has read the wiki. Thats where this primarily gets
released from. Otherwise, the link will be included at the end of
this paragraph. If you are interested in writing, but will forget,
send an email to Analog5@live.com with the subject line "Remind", and
you will be put on a mailing list to be reminded five days before the
submission deadline which is on the 15th of every month.
http://hak5.org/wiki/Analog5
Accordingly, If you drop an email to the same address with the line,
"MailMe", you will get added to the mailing list, and have each
article emailed to you as soon as its released.
All in all, I am disappointed, as a few key people decided not to
pull through in the end, but with these new changes, I hope to
expect a better outcome for the next issue. Reminder, I still need
collumnists. Articles from them are required each month.
-Famicoman
Famicoman@live.com
http://hackinacan.siteled.com
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. Section 2 . |--------------| |--------------| . .
//Madprops
First, thank Deviant for creatng a cover of the magazine which you can
see put into play here, http://hak5.org/wiki/Analog5:eZine
Also, the staff would like to thank A_Witt for creating the wiki interface,
it went above my expectations.
Third, I would like to thank BrainedChild for creating a full color,
actuall magazine out of the first issue, it can be downloaded here,
http://hackinacan.sitesled.com/Analog5/Analog5_Issue000_ADOBE.pdf
Finally, I would like to thank Mike Donaghy for mirroring issue 000,
http://mikedonaghy.org/textfiles/Analog5/Analog5_Issue000.html
-Famicoman
Famicoman@live.com
http://hackinacan.siteled.com
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. Section 2 . |--------------| |--------------| . .
Fedora Core 6: Frequently Answered Questions
This originally started out as a thread on a forum I visit, because I got
sick of answering the same questions over and over. Mostly simple stuff,
but many people seemed to have benefited, so I thought I would edit the
forum post into an article to help out new Linux users. Just as a
forewarning, many of these questions have fedora specific answers, some
will also work distro wide. The only major difference as far as this
article goes will be that Debian based systems would use apt instead of
yum, and the package names may differ slightly, also other distros not
Fedora or deb based would need to use their respective package managers
or compile form source. Obviously compiling from source would eliminate
the need for installing any devel packages I may have mentioned. Also if
anyone is interested, I will include the link to the original thread if
anyone cares to see how this grew into existence, also because I quote
two people from that site.
In the entire article $ = user prompt and # = root prompt
This assumes you have the Livna core and extras repos enabled in yum, or
if using a different package manager, finding out which repos have the
software you need and using said repos.
#1 "su" != "su -"
If you switch user to root without the dash you do not get roots path,
but your present working directory does not change. If you switch to
user root with the dash, you get roots path and your present working
directory change to roots home directory.
#2 I want to boot to text login/I don't want to boot to text login.
As root,
#gedit /etc/inittab
Edit this line,
id:5:initdefault:
5=graphical boot
3= text boot
Note: this can also be achieved for a single session by pressing "e" or
"a" at the grub screen upon reboot and adding a 5 to the end of the
kernel line for a graphical boot, or a 3 to enter a text install.
Another Note: If your Xserver is not running, use Nano or Vi instead of
Gedit
#3 How to install media players/ a media plug in for Firefox and
their codecs?
Note: all players will need to install the codecs located at the bottom
of this section.
Ok Xine is an easy one.Xine is my favorite media player to use for
dvd's and files already on my hard drive.
$su -
#yum -y install xine xine-lib xine-lib-extras-nonfree
#exit
Mplayer is also pretty simple. I like Mplayer for the plug-in, and I
also use it as my default player on my Mythbox. It has a lot of powerful
features.
$su -
#yum -y install mplayer mplayer-skins mplayer-fonts mplayerplug-in
#exit
Totem:
If you are using either of the first two options I recommend removing
totem
$su -
#yum remove totem
#exit
However if you want totem to work with the codecs this how it is done
Adapted from the info I got from hammel.
$su -
#yum install gstreamer-plugins gstreamer-ffmpeg
#wget ftp://fr2.rpmfind.net/linux/freshrpms/fedora/linux/6/gstreamer-
pitfdll/gstreamer-pitfdll-0.9.1.1-1.fc6.i386.rpm
#rpm -ivh gstreamer-pitfdll-0.9.1.1-1.fc6.i386.rpm
#exit
The codecs (you need to do this for all the media players listed above)
$ wget http://www.mplayerhq.hu/MPlayer/releases/codecs/
all-20061022.tar.bz2
[[NOTE: The above is all on one line]]
$su
#mkdir /usr/local/lib/codecs/
#mkdir /usr/lib/win32
#tar xvfj all-20061022.tar.bz2
#cp ./all-20061022/* /usr/local/lib/codecs/
#chmod 755 /usr/local/lib/codecs/*
#cp /usr/local/lib/codecs/* /usr/lib/win32/
#rm -rf ./all-20061022
#rm ./all-20061022.tar.bz2 #exit
#4 Madwifi drivers from source/ network manager cant see my Madwifi
chipset.
$su -
#yum install kernel-devel
or
#yum kernel-xen-devel
Depending on what you need,
#exit
$svn checkout http://svn.madwifi.org/trunk madwifi
$cd madwifi
$ make
$su
# make install
#/sbin/modprobe ath_pci
# gedit /etc/modprobe.conf
Add these lines,
alias wifi0 ath_pci
alias ath0 ath_pci
options ath_pci autocreate=sta
This will allow you to activate the device ath0 from both the command
line and system-config-network.
#5 chmod
I think ill give an overview of chmod as some people seem to be having
a problem with it. Here it goes, chmod a simplified version.
The permissions of Linux files are set up into 3 categories owner,
group, others. Each of these three categories has 3 options read,
write, and execute. They are set by numbers corresponding to their
binary values.
111 in binary = 7 base 10 this gives the corresponding category all
privileges.
110 in binary = 6 base 10 this gives the corresponding category read
and write privileges.
001 in binary = 1 base 10 this gives only execute permissions.
101 = 5 thus = read execute and so forth.
Therefore a command of “chmod 755 foo” Would give the file “foo”.
Read write and execute permissions for the owner and read and execute
permissions for the group and others.
The -R tag makes the Recursive, meaning it applies to all lower levels
of the directory and files use this with caution.
#6 My Firefox only is working for some sites. This may be due to
ipv6 being enabled.
P.S. I stole this from seve b/c I'm too lazy to type and I saw he
just did so I figure ill just do the ole ctrl x ctrl v.
In the Firefox address bar type "about:config"
And filter for ipv.
And set network.dns.disableIPv6 to "true".
Next, open a terminal and log in as root using
$su -
yourpassword
Then type,
#gedit /etc/modprobe.conf
And add the following lines,
Alias net-pf-10 off
Alias ipv6 off
Leave a blank line at the end save, and exit.
Then type,
#gedit /etc/sysconfig/network
And check and see if NETWORKING_IPV6=yes. If it does change it
to NETWORKING_IPV6=no. Save and exit.
#7 I forgot my root password, how do I reset it?
Reboot
At grub screen press a
Enter a 1
Continue boot
At prompt
#passwd root
Make a new password
Reboot
Use your new passwd
#8 How do I set my default environment. / when I type “startx”
I want to start KDE, Gnome, XFCE, enlightenment, etc
$rpm -qa | grep switchdesk
If nothing is found,
$su
#yum install switchdesk
If it is found or you just installed it,
$switchdesk "environment name here"
This make the specified environment your default, and when you
startx or login through GDM it will start this environment.
#9 Anaconda installed i586 kernel (fedora 6 specific bug,
installing with kernel option Linux 686 fixes this)
The following will install the i686 kernel and the devel
$ su -
$ Password: [Enter 'root' password]
# cp /boot/grub/grub.conf /boot/grub/grub.conf.bak
# rpm -e --nodeps kernel
# rpm -e --nodeps kernel-devel
# rpm -ivh http://redhat.secsup.org/fedora/cor...98.fc6.i686.rpm
# rpm -ivh http://redhat.secsup.org/fedora/cor...98.fc6.i686.rpm
# cp /boot/grub/grub.conf.bak /boot/grub/grub.conf
Note do NOT reboot until after you have completed all the steps.
#10 How do I play mp3/ what is a good mp3 player?
If you’re wondering why fedora does not ship with mp3 support a quick
trip to http://www.mp3licensing.com/ Should explain why.
First let me state that it is a matter of opinion, that I happen to like
xmms since i do, that is what I am going to describe. Plus the install
couldn't be any simpler, but bearing that I have got lots of questions,
so here it is.
$su -
#yum -y install xmms xmms-mp3
#exit
Now xmms should be able to play your mp3's by typing:
$xmms filename
Now to make this the default through nautalis.There is probably a better
way to do this, but I just right click on an mp3.
Go to properties,
Go to opens with,
Click add,
Click custom,
type “xmms”
#11 How can I install Adobe Acroread / Acroread wont work.
Go to adobe's web page and download the rpm,
http://www.adobe.com/products/acrobat/readstep2.html
Save to a directory or uses system-install packages to install
(recommended). If you saved it,
$su -
#cd directory you saved_rpm_to
#rpm -ivh A*.rpm (assuming only rpm starting with A in that dir
if not type whole name)
#exit
Now for everyone (may or may not be rpm specific, I haven't tried
anything else as I don't really use acroreader),
$ su -
#gedit /usr/bin/acroread
change the line
echo $mfile| sed 's/libgtk-x11-\([0-9]*\).0.so.0.\([0-9]\)00.\
([0-9]*\)\|\(.*\)/\1\2\3/g'
To:
echo $mfile| sed 's/libgtk-x11-\([0-9]*\).0.so.0.\([0-9]*\)00.\
([0-9]*\)\|\(.*\)/\1\2\3/g'
To install the plugin,
#cp /usr/local/Adobe/Acrobat7.0/Browser/intellinux/nppdf.so
/usr/lib/mozilla/plugins
[[NOTE: Above is all on one line]]
#exit
$ Firefox
Go to "about:plugins" to check if it worked.
#12 how do Ii install sun JRE/ Firefox plugin?
Go to: http://java.sun.com/javase/downloads/index.jsp
Download Java Runtime Environment (JRE) 6 the self extracting file
$su -
#cd dir_java_downloaded_to
#mv jre-6-linux-i586.bin /opt
#cd /opt
#chmod +x jre-6-linux-i586.bin
#./jre-6-linux-i586.bin
#ln -s /opt/jre1.6.0/plugin/i386/ns7/libjavaplugin_oji.so
/usr/lib/mozilla/plugins/libjavaplugin_oji.so
[[Above is all on one line again]]
#gedit /etc/profile.d/java.sh
(add these lines note the blank line at eof)
export J2RE_HOME=/opt/jre1.6.0
export PATH=$J2RE_HOME/bin:$PATH
#source /etc/profile.d/java.sh
#/usr/sbin/alternatives --install /usr/bin/java java /opt/
jre1.6.0/bin/java 2
[[Note:Above is all on one line]]
#rm jre-6-linux-i586.bin
#exit
You should be good then.
Note: to check type java -version and see what you get.
Second note: I learned this from Stanton Finley, but this is a
simplified and changed version of his how to. The original can
be found here, http://stanton-finley.net/ Although this version
is definitely different, thought I would give my source.
#13 How do I add a new user / Firstboot didn't load and I need to create
a new user?
First, get root permissions.
If you already have a user,
$su -
If you don’t, log in as root then,
#useradd newusername
This will create a new user and a home directory for them in /home/
as well as set some environmental variables and various other things
Now we need to set up a password for them.
#passwd newusername
create a password
You have now created a new user and can log in as them with the new
password
Just a note b/c many people have asked this I put this in the do not
recommend list if you want to create a user with no password use this
command instead of "passwd",
usermod -p "" newusername
but again i don't recommend
#14 How to use Vi.
Vi is a very useful, and my personal favorite text editor. Here is how to
use it. Okay, Vi has 2 modes, command mode and insert mode.
1. command mode
Here are some of the basic command to get you through the editor:
h = move the cursor 1 character left
j = move the cursor 1 character down
k = move the cursor 1 character up
l = move the cursor 1 character right
i = enter insert mode before cursor
I = enter insert mode at begging of line
a = enter insert mode after the cursor
A = enter insert mode at the end of current line
o = create a new line below current line and enter insert mode
O = create a new line above current line and enter insert mode
/string = searches for the first instance of string
n = next occurrence
$ = move the cursor to end of line
:x = move cursor to line x
u = undo
r = replace single character
R = like insert mode but replaces characters until [Esc] is hit
x = delete single character
dw = delete word
dd = delete line
D = delete rest of line after cursor
yy = copy line
p = paste
<ctrl>g = returns line number
:w = save file
:q! = quit without saving
:wq or ZZ = save and quit
2. Insert/replace mode mode
You can type just as you would in any editor.
To quit and return to command mode press [Esc]
# 15 how do I add myself/group to sudoers file?
In order to edit the sudoers file, you need to use a program called
Visudo. To do this you will need a quick overview of my favorite editor
Vi. See guide above for a quick overview.
To open Visudo,
$su -
(password)
#visudo
To give a user sudo privs for all programs,
Go to the line which reads "root ALL=(ALL) ALL"
Press “o”
Enter the line,
Username ALL=(ALL) ALL
Press [Esc] to return to command mode.
To give a group sudo privs for all programs,
Press “o”
Enter the line,
%groupname ALL=(ALL) ALL
Press [Esc] to return to command mode
To give user or group privs to only certain programs you will need to
either create you own aliases or use the predefined ones. The predefined
ones are listed at the top of the file, your own can be made following the
same format.
Once you know the aliases you want the user or group to have privs in
For a group replace username with “%groupname”
Press “o”
Enter the line.
Username ALL = Alias1, Alias2 ALL
Press [Esc] to return to command mode.
To note, if your sudoers file is being used across a network, the All's
can be replaced with the hostname of a machine to only give users sudo
privs on a certain machine.
Also by default sudo requires the user to use their own password, this can
be changed to the root password by setting the rootpw flag. This is done
by adding Defaults rootpw to the file
Also a user can be set to use no password( I do not recommend this) by
inserting “NOPASSWD:” before the second ALL in the lines listed earlier
Now pressing
“ZZ or :wq”
will save the file.
#exit
$sudo command
(password)
will run the command as root
Hope this is still of use to someone, anyone has any question comments or
concerns just ask.
Adopted from: http://www.fedoraforum.org/forum/showthread.php?t=135568
-By nick S. aka Nickisgod1
nickisgod1@gmail.com
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