convert RSA key for apache to p12 key for Exchange 2010

Needed to do this to use a wildcard cert (GoDaddy) (CSR/key generated by openssl), on a new exchange 2010 deployment

openssl pkcs12 -export -certfile fordodone.com.crt -inkey fordodone.com.key -clcerts -out fordodone.com.key.p12

When importing to certificates, it complains that it doesn’t have any content, but after certutil repair store it seems to work. No time, movin on.

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recursively copy directory with smbclient

When using smbclient to copy a directory, make sure to use the recurse and prompt commands. This makes it possible to non-interactively copy a directory and all of its contents:

smbclient -Udomainname/fordodone //10.234.92.21/sharename
Password:
Domain=[DOMAINNAME] OS=[Windows 5.0] Server=[Windows 2000 LAN Manager]
smb: \> cd testdir
smb: \testdir\> get C
NT_STATUS_FILE_IS_A_DIRECTORY opening remote file \testdir\C
smb: \testdir\> prompt
smb: \testdir\> recurse
smb: \testdir\> mget C
getting file ...
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mount windows disk image in linux

I was recently converting a Windows installation from a physical desktop to a virtual machine. Because the installation was an OEM installation the P2V conversion failed the “hardware” check and the target VM was unregistered. The only way to fix was to do a repair install changing the installation from an OEM to a Retail version of Windows. This needed to be done on the physical source desktop. There’s no way I was going to attempt this without a total backup of the system. I could have just copied important files, but I decided a disk clone was more appropriate. I booted off of a Debian rescue cd, mounted a NFS share, and dd’d a copy of the entire drive to a flat file.

# mkdir /mnt/nfsserver/diskclone
# mount nfsserver:/vol/diskclone /mnt/nfsserver/diskclone
# cd /mnt/nfsserver/diskclone
#
# dd if=/dev/sda of=desktop.img
156250000+0 records in
156250000+0 records out
80000000000 bytes (80 GB) copied, 7079.64601 seconds, 11.3 MB/s
#
# ls -l
total 78278496
-rw-r--r-- 1 root root 80000000000 2013-05-20 15:47 desktop.img

I then needed to mount the image and take a look at the contents. A flat disk image file is just a block for block copy of the actual disk, so the first step is to look at the partition table listed in sectors and find the offset. The offset will tell mount where the beginning of the file system is.

# losetup /dev/loop0 desktop.img
#
# fdisk -l -u  /dev/loop0

Disk /dev/loop0: 80.0 GB, 80000000000 bytes
255 heads, 63 sectors/track, 9726 cylinders, total 156250000 sectors
Units = sectors of 1 * 512 = 512 bytes 

      Device Boot      Start         End      Blocks   Id  System
/dev/loop0p1   *          63   156232124    78116031    7  HPFS/NTFS
#
#

Find the offset by multiplying the 63 (start sector) by 512 bytes ( 63*512 ) and the offset is 32256. Now we can tell mount where the start is.

# mkdir /mnt/diskimage
# mount -t ntfs -o offset=32256,ro desktop.img /mnt/diskimage
#

I mounted readonly so that we don’t mess anything up. You may need to install ntfsprogs to be able to read an NTFS file system (apt-get install ntfsprogs) if you don’t have it installed already

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