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Tag: howto

How to: Transfer Google Contacts into iCloud easily




With the mobile platform war converging to two key players, Android and iOS, i am often asked how to migrate from one platform to another.

Here is a simple guide for Android users to migrate over to iOS via the use of Google Contacts (in your GMail) and iCloud. You will, of course, need to have a valid account on both.

1. Login to GMail.  Go to your Google Contacts (below the Google logo, click for drop down menu, select Contacts).

2. Click the More menu > Export.

Export to vCard format to import to iCloud

3. Choose the group or all of your contacts you wish to export, whichever you prefer. I selected “All Contacts” to export. Choose “vCard format” and click the Export button.

4. Choose “vCard format” and click the Export button.

5. Your browser will now automatically download or ask you to save a file named contacts.vcf. Put it on your desktop or a location you remember.

6. Log in to iCloud. www.icloud.com

7. Click on Contacts

8. Click on the gear button, and select Import vCard. Select the contact.vcf  file that you exported from Google Contacts in step 5. This will import all the contacts and might take a while, depending on the size of your contact list.

9. Once done, you should be able to see contacts propagated on your iCloud contact list.

10. On your iPhone/iPad, go to Settings > iCloud (sign in with the SAME iCloud account if you have not) and make sure Contacts is listed as ON. Contacts will slowly be synchronized over a period of time. (Mine took about 15minutes)

Linux / Unix / Mac crontab – how to add, install or list jobs

Different Types of cron Configuration

There are two different types of configuration files:

  1. The UNIX / Linux system crontab : Usually, used by system services and critical jobs that requires root like privileges. The sixth field (see below for field description) is the name of a user for the command to run as. This gives the system crontab the ability to run commands as any user.
  2. The user crontabs: User can installer their own jobs using the crontab command. The sixth field is the command to run, and all commands run as the user who created the crontab

How Do I Install / Create / Edit My Own Cronjobs?

To edit your crontab file, type the following command at the UNIX / Linux shell prompt:
$ crontab -e

Syntax of crontab (Field Description)

Your cron job looks as follows for user jobs:

 1 2 3 4 5 /path/to/command arg1 arg2

OR

 
1 2 3 4 5 /root/backup.sh

Where,

  • 1: Minute (0-59)
  • 2: Hours (0-23)
  • 3: Day (0-31)
  • 4: Month (0-12 [12 == December])
  • 5: Day of the week(0-7 [7 or 0 == sunday])
  • /path/to/command – Script or command name to schedule

 

Easy to remember format:

* * * * * command to be executed
- - - - -
| | | | |
| | | | ----- Day of week (0 - 7) (Sunday=0 or 7)
| | | ------- Month (1 - 12)
| | --------- Day of month (1 - 31)
| ----------- Hour (0 - 23)
------------- Minute (0 - 59)

 

Your cron job looks as follows for system jobs:

1 2 3 4 5 USERNAME /path/to/command arg1 arg2

OR

1 2 3 4 5 USERNAME /path/to/script.sh

Example: Install Backup Job Script

If you wished to have a script named /root/backup.sh run every day at 3am, your crontab entry would look like as follows. First, install your cronjob by running the following command:
# crontab -e
Append the following entry:
0 3 * * * /root/backup.sh
Save and close the file.

More Examples

To run /path/to/command five minutes after midnight, every day, enter:

5 0 * * * /path/to/command

Run /path/to/script.sh at 2:15pm on the first of every month, enter:

15 14 1 * * /path/to/script.sh

Run /scripts/phpscript.php at 10 pm on weekdays, enter:

0 22 * * 1-5 /scripts/phpscript.php

Run /root/scripts/perl/perlscript.pl at 23 minutes after midnight, 2am, 4am …, everyday, enter:

23 0-23/2 * * * /root/scripts/perl/perlscript.pl

Run /path/to/unixcommand at 5 after 4 every Sunday, enter:

5 4 * * sun /path/to/unixcommand

Task: List All Your crontab Jobs

Type the following command :

# crontab -l
# crontab -u username -l

To remove or erase all crontab jobs use the following command:

# crontab -r
crontab -r -u username

 

adapted from cyberciti.biz

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