1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
UPDATE: To enable without pain just run:
In order to enable automatic package upgrades you need to install
unattended-upgrades package from repository:
1 2 3
Then configure what will be upgraded periodicaly editing the file
The file is well commented, so in this case I configured to install security upgrades only and an email address to receive alert in case of problems:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Later configure the file
1 2 3 4 5 6 7 8
To select another timezone for your Debian/Ubuntu based linux box run the following command and select your Country/Province.
To deploy with Capistrano withou using a SCM, you need to add these lines on your
1 2 3
Some Mac OS X machines has a problem with symlinks on Samba, to fix this just add to your
And reload the smbd daemon.
After a failed attempt to write a bootloader using a wrong image in Kindle Fire HD 7“ from a friend, was totally dead, black screen, no sign of life.
As I went through this with my Galaxy Nexus who also has an OMAP4 CPU, I decided to follow the same steps to retrieve it using the usbboot. For this it was necessary to remove the battery and solder a small wire connecting pin
USB Boot to GND to be recognized as
omap44xx usb device in my linux PC.
The pin in question is below:
1 2 3
After that, just download and compile the usbboot through the sources that can be found here.
Create a identical partition map from the original disk:
1 2 3 4
create a same filesystem type in new disk:
/boot content to new disk mounted at
1 2 3
set the new disk as
hd0 on grub:
1 2 3
We made the second drive
/dev/sdb device (hd0) because putting grub on it this way puts a bootable mbr on the 2nd drive and when the first drive is missing the second drive will boot.
install grub on new device:
1 2 3
add the new disk partition to volume group:
move content from old to new disk:
remove old disk partition from volume group:
now, you can remove the old disk without reboot, to disable the disk to remove safely:
Mac OS X has a big problem with samba when
delayed ack is active, to avoid this start Terminal.app as root and set delayed ack to
Make the change permanent creating the file
/private/etc/sysctl.conf if not exists:
try upload a big file and you will see a better throughput than before.
Using kernel 2.6.28 or above it. Unmount the filesystem that will be converted, for example, we will convert sda3.
Add the features
Convertion process is not long, just a few minutes, maybe seconds, because we use the feature
uninit_bg, it can shorten the time of fsck because it not checks non initialized inode groups.
See more here.
Scan filesystem that has converted, just to be sane.
Mount your partition and check with
df -hT, you will see your filesystem as EXT4,
now edit the file
/dev/fstab and locate where is the partition you converted:
1 2 3 4 5 6
Save your configuration and do
mount -o remount,rw / or just reboot pc.
Enjoy your EXT4 Filesystem!