Kali Linux on Raspberry Pi 2

Use xzcat to decompress and then dd to image Kali Linux to microSD on Windows 10.

or use 7-zip to extract kali-linux-2019.1-rpi3-nexmon.img image file, then use rufus to write image to microSD card

Login Kali Linux with default username root and password toor

Tight VNC Server

root@kali:~# apt install tightvncserver

root@kali:~# vncserver :1

You will require a password to access your desktops.

Password:
Warning: password truncated to the length of 8.
Verify:
Would you like to enter a view-only password (y/n)? n
xauth:  file /root/.Xauthority does not exist

New 'X' desktop is kali:1

Creating default startup script /root/.vnc/xstartup
Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/kali:1.log

root@kali:~#

Kill vncserver

root@kali:~# vncserver -kill :1
Killing Xtightvnc process ID 16102
root@kali:~#

PHP: Notes

" PHP was originally an abbreviation of Personal Home Page, but it now stands for the recursive initialism PHP: Hypertext Preprocessor. " — Wikipedia

MSSQL: Fix error 'Consistency validation for SQL Server registry keys'

While installing Microsof SQL Server 2012, I ran into the following error. "The SQL Server registry keys from a prior installation cannot be modified. To continue, see SQL Server Setup documentation about how to fix registry keys." How to fix Replace the D:\x64\FixSqlRegistryKey_x86.exe file with the original file from the ENU\SQLFULL_ENU.iso file downloading from Microsoft Download Center. This ISO file is 4.2GB. So you can click FixSqlRegistryKey_x86.exe to download this file only. After replacing that file, press Re-run to check. All rules are passed.

Check and install php7.0-mbstring extention on Ubuntu 16.04 and Microsoft Windows

While learning Facebook SDK for PHP I overlooked one of system requirements preventing my code from running on my host. That is The mbstring extension. Facebook SDK for PHP's system requirements Check if mbstring is enabled root@ubuntu001:~# php -a Interactive mode enabled php > echo extension_loaded('mbstring'); php >exit root@ubuntu001:~# apt-cache search php7 | grep mbstring php7.0-mbstring - MBSTRING module for PHP root@ubuntu001:~# Install php7.0-mbstring root@ubuntu001:~# apt-get install php7.0-mbstring Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: fontconfig-config fonts-dejavu-core libfontconfig1 libgd3 libjbig0 libjpeg-turbo8 libjpeg8 libmcrypt4 libtiff5 libvpx3 libxpm4 Use 'apt autoremove' to remove them. The following additional packages will be installed: libapache2-mod-php7.0 php7.0-cli ph...

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