The log form is more readable and self documented.
I prefer to use long form in scripts and short in command line.
Verbose mode:
set -o verbose
set -v
bash -v script.sh
http://tldp.org/LDP/Bash-Beginners-Guide/html/sect_02_03.html
On Wed, Apr 24, 2013 at 10:19 PM, Nadav Har'El wrote:
> On Mon,
On Mon, Apr 08, 2013, Constantine Shulyupin wrote about "Re: bash q":
> For debugging bash scripts I use
>
> set -o xtrace # long form of -x
> set -o pipefail
> set -o errexit
The last one also has a short form: "set -e".
You might also want to look at "set -v" - it also lists the commands it
ru
On Wed, Apr 24, 2013 at 7:33 PM, Elazar Leibovich wrote:
> I'm trying to understand in more depth the handling of physical harddrive
> io in the linux kernel (from pdflush to the actual filesystem driver).
>
> When reading about the matter, I found out I'm missing some information at
> a more bas
1. the seek occures whenever you perform random I/O, or when you "jump"
between different areas of the disk when doing sequential I/O (i.e. you
read from sector X to sector X+1000, and then you want to read from
sector Z to sector Z+1000 - this "switch" will require a seek).
2. experience sh
I'm trying to understand in more depth the handling of physical harddrive
io in the linux kernel (from pdflush to the actual filesystem driver).
When reading about the matter, I found out I'm missing some information at
a more basic level.
How a regular hard drive behaves? How is it implemented i
Thanks for all the responses.
In the BIOS in the "Integrted Peripherials" menu I found an entry
called "USB Keyboard function" which was "Disabled".
I enabled it and rebooted. This did the trick and now I am a happy user again :)
I have no idea if that was enabled or disabled before the power fai
Another trick:
1. Turn off the computer.
2. Disconnect the power cable.
3. Press the power button a few times to discharge any built up
electricity.
4. Disconnect the keyboard.
5. Connect the power cable.
6. Turn on the PC and wait until it passes the BIOS screens and into
Missing information/Things to try:
- How is the keyboard connected to the PC - USB, legacy, builtin(as in a
laptop)?
- If it is a laptop, did you try to connect another keyboard via USB?
- What happens when you try to boot from a LiveCD or DiskOnKey?
(Note to myself: is it possible to boot a Secure
On Wed, Apr 24, 2013 at 10:03 AM, Gabor Szabo wrote:
> hi
>
> after a power failure when I try to boot my Ubuntu 12.04 machine it
> displays the Grub menu but it
> does not react to any keyboard combination I tried.
>
>
> If I press Del earlier, it does get in the BIOS and there I can use
> the k
hi
after a power failure when I try to boot my Ubuntu 12.04 machine it
displays the Grub menu but it
does not react to any keyboard combination I tried.
If I press Del earlier, it does get in the BIOS and there I can use
the keyboard, so it does not seem to be a hardware issue, but in the
GRUB m
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