Ubuntu Bluetooth Mouse

hcitool scan

sudo hidd --connect XX:XX:XX:XX:XX:XX

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El Salvador Rudas

Outlook 2002 and 2003 cannot query some OpenLDAP Servers

Please visit this page before http://support.microsoft.com/kb/256986 continuing.

For Outlook 2003, you must manually modify the Microsoft Windows registry directly:
1. Quit all Office programs.
2. Click Start, and then click Run.
3. In the Open box, type regedit, and then click OK.
4. Click the following key for Outlook XP:
HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\LDAP
For Outlook 2003, the key is:
HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\LDAP
5. With the LDAP key selected, point to New on the Edit menu, and then click DWORD Value.
6. Type DisableVLVBrowsing, and then press ENTER.
7. With the DisableVLVBrowsing DWORD Value selected, click Modify on the Edit menu.
8. In the Value data box, type 1 and then click OK.
9. On the File menu, click Exit
10. Restart the computer

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El Salvador Rudas

Windows / OS X Software Alternatives for Linux

http://www.linuxappfinder.com/alternatives

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El Salvador Rudas

rsync & unison

First server setup

ssh-keygen -t dsa

(press enter twice to give a blank password)

cd
vi .ssh/.config

Press "i" to enter insert mode and copy this into the file:

Host remotehost
User remoteuser
Compression yes
Protocol 2
RSAAuthentication yes
StrictHostKeyChecking no
ForwardAgent yes
ForwardX11 yes
IdentityFile /home/localuser/.ssh/id_remotehost_dsa

Do NOT change the last line - it is supposed to say remotehost (not an actual host name). Now,

:wq

(save and exit vi)

chmod 700 .ssh
vi .ssh/id_dsa.pub

It should look like this:

ssh-dss AAAA..............v root@HOSTNAMEOFSRV01

where there is lots of random letters/numbers where the dots are. Select it all and copy it. Make sure that it is all on one line with no spaces at the start or finish (which will happen if you copy it using putty on windows; test it by pasting it into notepad)
Tip: To copy from putty on windows select the text from within vi and pres Ctrl + Shift. To paste text enter insert mode and press the right mouse button.

Second Server Setup

cd
vi .ssh/authorized_keys

Enter insert mode (press i) and paste the key, again ensuring that there are no spare newlines or spaces. Save the file and exit vi (press :wq then return, as above). Now you just need to set some permissions otherwise SSH will ignore the files you just created:

chmod 700 .ssh
chmod 644 .ssh/authorized_keys

Testing passwordless SSH

On the first server, type

ssh srv02

where srv02 = the hostname of the second server. It could be an IP address too.

If it just logs you in (no passwords), then you are done. If not double check the above and start google searching your errors or email me and I will try to help. The next bit will certainly fail if you can't make an SSH connection.

Replication

You have two options for replication: Unison and Rsync.

Rsync is one-way (will overwrite changes on the second server).
Unison is two-way (will allow changes on both servers (though clearly not at the same time!)

Setting up RSYNC

Skip to the Unison section if you want two-way replication

Rsync is normally installed so I will not go through installing it. To make the rsync connection run the following command on srv01:

rsync -e ssh -avz --delete /home/folder1/ srv02hostname:/home/folder2

again, where srv02 is the hostname or IP of srv02. This will make /home/folder2 on srv02 (the second server) identical to /home/folder1 (be aware that this will delete all files in /home/folder2 on srv02 that are not in /home/folder1 on srv01!)

You can put as many of these as you line in the crontab (crontab -e). You now have rsync set up: congratulations.

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El Salvador Rudas