In this article we will show some quick fixes for the new Backtrack 4 Beta version. As you may know the new Backtrack 4 is based on Ubuntu and it is running on KDE v3.5.

References:

http://backtrack4.blogspot.com/

Issue #1:
W: GPG error: http://ppa.launchpad.net intrepid Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY CB2F6C86F77B1CA9
W: You may want to run apt-get update to correct these problems

Fix #1:

gpg –keyserver keyserver.ubuntu.com –recv CB2F6C86F77B1CA9
gpg –export –armor CB2F6C86F77B1CA9 | apt-key add -

Issue #2:
apt-get upgrade breaks BT4 Beta KDE

Fix #2:

cd /etc/alternatives/
mv x-session-manager x-session-manager-broke
ln -s /usr/kde3/bin/startkde x-session-manager
cd /opt/kde3/share/
mv applications borked-applications
mv pixmaps borked-pixmaps
mkdir -p /usr/local/share/applications/kde
cp borked-applications/kde/ksnapshot.desktop /usr/local/share/applications/kde
ln -s /usr/local/share/pixmaps pixmaps
ln -s /usr/local/share/applications applications
cd /opt/kde3/share/icons/crystalsvg/16×16/apps/
ln -s cache.png preferences-web-browser-cache.png
cd /opt/kde3/share/applications/kde
cat ksnapshot.desktop |grep -v ^GenericName > ksnapshot.desktop1
mv ksnapshot.desktop1 ksnapshot.desktop

Thanks to muts for the temp solution

Issue #3:
Nikto missing from /pentest/scanners/nikto
root@bt:/# cd /pentest/scanners/nikto/
bash: cd: /pentest/scanners/nikto/: No such file or directory

Fast-Track issue also:
Updating Nikto…
/bin/sh: ./nikto.pl: not found

Fix #3:

mkdir /pentest/scanners/nikto
ln -s /usr/bin/nikto /pentest/scanners/nikto/nikto.pl

Issue #4:
Change BT4 Beta Screen Resolution

Fix #4:
On terminal type: krandrtray and the screen resize and rotate tray icon will appear on the low right corner to let you configure your screen resolution

Issue #5:
Can’t connect to wire/wireless network

Fix #5:
Method 1:

/etc/init.d/networking start

Method 2: (Manual way)

ifconfig eth0 up
dhclient

Also be sure to start the Network Manager daemon

/etc/init.d/NetworkManager start

Issue #6:
ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/run/mysqld/mysqld.sock’ (2)

Fix #6:

1. sudo ln -s /etc/mysql/my.cnf /etc/my.cnf
2. /etc/init.d/mysql restart

Issue #7:
ERROR 1 (HY000): Can’t create/write to file ‘/tmp/#sql_37ed_0.MYI’ (Errcode: 13)

Fix #7:

1. chown root:root /tmp
2. chmod 1777 /tmp
3. /etc/init.d/mysql start