It has been a hard time working with Outlook and I was worried that it could crash at any time. I thought of backing up all the mails to thunderbird in another linux box. Reading the documentation I couldn't figure out any method using which we can import the .pst files to the thunderbird client.
Here is what I did to do the migration. Initially I took the backup from the outlook
Outlook -> File -> Import or Export -> Export to a file -> Personal Folder File (.pst )
Now it might take some time to take a complete backup. At the end we will get a big backup.pst file.
Transfer the file over to the Linux Desktop.
Since there is no way to import the .pst file directly to thunderbird. We might have to convert to mbox format to get this done. There are many tools to do that. In my case I used readpst.
1. Install Readpst
Readpst is with the package libpst.
yum -y install libpst
2. Convert the .pst file to mbox based format.
mkdir mail
readpst -o mail backup.pst
Now that we have mbox format of all the folders.
3. Install MboxImport utility in thunderbird.
Download the xpi from http://nic-nac-project.de/~kaosmos/ImportExportTools-2.4.1.xpi
Thunderbird-> Tools -> Addons-> extensions -> Install
Select the xpi file that you downloaded earlier and install it. Restart tomcat for the new extensions to take effect.
4. Import the Mbox mails to thunderbird.
Now that we have the mbox based mails in mails directory we can import the mails and account to thunderbird.
There might be situations when you see a corrupted File system in KVM VM. In such situation you can add a ISO rescue cd and fix the file system errors.
For example I have a VM named "centos". Take the VM configuration file /etc/libvirt/qemu/centos.xml
Add the following lines in the configuration file above the disk image of the VM.
Then execute the command virsh and enter the following command.
virsh # define /etc/libvirt/qemu/centos.xml
Domain centos defined from /etc/libvirt/qemu/centos.xml
virsh # start centos
Domain centos started
During booting process press f12 so that you get the booting option and select CDROM. Now that the VM boots with the ISO image and you can do the filesystem recovery process.
fsck -y /dev/mapper/VolGroup00-LogVol00
Reboot the VM and ensure that you are able to access the VM without any file system errors.
Don't ever try to get help from the Vodafone Customer care. I searched google to get the following working settings. I use vodafone internet as they provide 2GB limited internet access for 95 RS which is quite affordable.
1. Ensure that VMC is activated.
make sure that vmc is activated send a sms ACT VMC to 144
2. Configure the following settings..
This is where u find the settings in milestone:
Settings->Wireless & networks->Mobile networks->Access point names
Here are the settings:
Add new APN.
Homepage: Any ****.
Connection Name: Any ****
Access Point Name: www
User Name:Leave it.
Password: Leave it.
Authentication: none.
Proxy: None
Port Number: 0
Leave rest of the settings as they are - in default state. n enjoy.
KVM is a full virtualization technology which uses the linux kernel for efficient hardware virtualization.
It consists of a loadable kernel module, kvm.ko, that provides the core virtualization infrastructure and a processor specific module, kvm-intel.ko or kvm-amd.ko. KVM also requires a modified QEMU although work is underway to get the required changes upstream.
Using KVM, one can run multiple virtual machines running unmodified Linux or Windows images. Each virtual machine has private virtualized hardware: a network card, disk, graphics adapter, etc.
* Ensure that your processor support virtualization
qemu: we use qemu for processor emulation. We use full system emulation. QEMU emulates a full system (for example a PC), including one or several processors and various peripherals. It can be used to launch different Operating Systems without rebooting the PC or to debug system code.
libvirt: It is a tool to interact with virtualization capabilities of linux kernel.
In order to use Qemu support in libvirt we have to use the libvirt daemon.
/etc/init.d/libvirtd start
Qemu communicates with libvirt daemon using URIS.
So to connect to the daemon, one of two different URIs is used:
* qemu:///system connects to a system mode daemon. * qemu:///session connects to a session mode daemon.
Inorder to check whether they communicate without any issues. Check the following command and output.
[root@fedora ~]# virsh -c qemu:///system list Id Name State ----------------------------------
Usually all the documents mention to use a bridged setup so that internet is available to the hosts. In my setup I configured iptables with SNAT so that the VMS can communicate to the external network.
Install Virt Manager:
Virt Manager provides you a GUI to manage the VMS.
-r 512 = RAM --vcpus = virtual cpus -f /opt/kvm/centos5.qcow2 = Storage file used to store VM data -c ISO file to install the VM from --os-variant = You can find the OS - Variant list by using man virt-install
If you have additional partitions then you can use it as a LVM disk and configure individual LVM disks for individual hosts.
You can use virt-manager to proceed with the rest of the installation process. You can also use vncviewer to proceed with the installation
yum install vnc vncviewer localhost:0 # If you are having a single host.
Suppose that you are having multiple hosts then you find the vnc ip and port and then connect using vncviewer
[root@fedora ~]# virsh vncdisplay centos5 :1
root@fedora ~]$ vncviewer localhost:1 TigerVNC Viewer for X version 1.0.0 - built Oct 26 2009 10:57:15 Copyright (C) 2002-2005 RealVNC Ltd. Copyright (C) 2000-2006 TightVNC Group Copyright (C) 2004-2009 Peter Astrand for Cendio AB See http://www.tigervnc.org for information on TigerVNC.
Wed May 5 22:20:18 2010 CConn: connected to host localhost port 5901 CConnection: Server supports RFB protocol version 3.8 CConnection: Using RFB protocol version 3.8 TXImage: Using default colormap and visual, TrueColor, depth 24. CConn: Using pixel format depth 24 (32bpp) little-endian rgb888 CConn: Using Tight encoding
Configuring Network for the VM.
In my case virt-manager uses the ip range 192.168.122.0/24 which is default. You can change the default by running the following commands and modifying the entries. virsh net-edit default virsh net-destroy default virsh net-start default
I used SNAT based forwarding. You can also use MASQUERADE.
My eth0 interface ip was 192.168.1.221 and hence my iptables command was
Now you should be able to connect to external network from VM.
This seems to be the future to virtualization as we are using the kernel to manage the hardware virtualization which would improve effeciency of the system.
I used the following method to secure the entire application. We use .htaccess based authentication setup in apache. I wanted a same sort of setup in tomcat instance.
Initially I added a user in the $catalina_home/conf/tomcat-users.xml
Then I add the security constraint in the web.xml of the application. In my case it was the default application ROOT. Hence I added the following entries in $catalina_home/webapps/ROOT/WEB-INF/web.xml
Entire Application /*
agroup
BASIC Authenticate yourself
The role that is required to log in to the Manager Application
agroup
Hence all the users under the security role "agroup" will be able to access the applicationn.
Sometimes we require bash script to perform some operation and use a remote mail server to send mails. In this instance we require smtp authentication for the remote server to allow this operation.
The script was copied from the link http://linuxshellaccount.blogspot.com/2008/04/shell-script-to-send-mail-using-bash.html which describes networking with the help of file descriptors.
I just added a smtp authentication part.
Please ensure that others do not have access to your bash history for security reasons.
Usage
sh mail.sh report@yourserver.com youremail@gmail.com yourserver.com yourmailserver.com filecontainingmessage email@yourmailserver.com youremailpassword
SCRIPT CONTENTS:
mail.sh
#!/bin/bash
# # mail.sh # # 2008 - Mike Golvach - eggi@comcast.net # 2010 - Rayber # # Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License #
if [ $# -ne 7 ] then echo "Usage: $0 FromAdress ToAdress Domain MailServer MailTextFile AuthEmail AuthPass" exit 1 fi
When you issue a svn co statement the authentication gets cached in the home directory of the user.
svn co http://192.168.1.13/repo Authentication realm: Subversion Repository Username: test Password for 'test':
The authentication information gets stored in a cache /root/.subversion/auth/svn.simple directory.
o remove cached data go to “.subversion/auth/svn.simple” folder and delete the particular file. There will be key (K)-value (V) pairs. “username” and “svn:realmstring” together can identify the user. So use for example:
grep servername ./*
to find the right file.
Disable caching by opening “config” file in “.subversion” folder and setting the values of “store-passwords” and “store-auth-creds” to “no” or use --no-auth-cache as command line argument.
