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Thursday, January 29, 2009

boot .iso image file on usb / hdd with grub4dos

nowadays, there're too much livecd you can choose from. everyone have their own favorite livecd. mine, was puppy, now grml.

the easiest way to use livecd is to burn it and reboot your computer with it.
or, you can also run it on emulator like qemu, virtualbox, vmware, etc...
then, you can also do 'frugal install' by copying the .iso file content to usb/hdd and boot it from there. this works best with linux livecd.

now... this is another way to boot your .iso livecd. especially works best with non-linux livecd. use grub4dos to boot directly from the .iso file without burn any cd. works with bartpe .iso too.

here's the steps:
  • install grub4dos to usb/hdd
  • copy the .iso image file to usb/hdd
  • add to menu.lst as follow:
# replace title, folder and filename with your own
title windowspe livecd
map (hd0,0)/windowspe/bartpe.iso (hd33)
map --hook
chainloader (hd33)

that's it. reboot your usb/hdd and you can now boot your livecd from it.
--
tips & tricks on computers and gadgets
denny on IT ; let's doIT
documenting the brain

Friday, January 23, 2009

localepurge to Automagically remove unnecessary locale data

this very easy and simple trick can save you few hundreds megs of spaces.

if you like me, still make use of old legacy computers hardware, like the old 4gigs harddrives with debian or  ubuntu minimal desktop, few hundreds megs spaces is very precious.

each and every apps/packages that you installed on your system do have lots of unused locales that is not the language you understand or use daily. these locales data is installed by default and can takes up to few hundreds megs of spaces, depends on what/which apps/packages you installed.

so why would we let these useless data in our system? we do not need them. let's just purge them:

sudo aptitude install localepurge

that's it. one single line to install localepurge. nothing you need to do. just let it be and it will 'Automagically remove unnecessary locale data' whenever you install new apps/packages without your intervention.
--
tips & tricks on computers and gadgets
denny on IT ; let's doIT
documenting the brain

Monday, January 19, 2009

antivirus for grml / debian / ubuntu linux / LiveCD

yeah i never use antivirus for my linux desktop.

but i always carry grml in my usb flash to clean up friends/family's dusty, infected windows. i used to use puppy linux with antivirus for this. but i'm tired keep downloading and reinstalling stuffs. with grml, all i need is aptitude upgrade to get the latest updated version.

there are many good antivirus for linux. the ones i choose are f-prot and avast. the main reason i choose these are for their size. others antivirus usually at least twice as large.


for f-prot, i also use xfprot for the gui.

xfprot + fprot installation:
#get .deb packages from http://web.tiscali.it/sharp/xfprot/
sudo gdebi xfprot_2.0-1_lenny_hardy_i386.deb
wget http://files.f-prot.com/files/unix-trial/fp-Linux-i686-ws.tar.gz
sudo tar zxvf fp-Linux-i686-ws.tar.gz -C /opt
cd /opt/f-prot
sudo ./install-f-prot.pl
#accept all defaults and installed
#done.

avast installation even easier:
wget  http://files.avast.com/files/linux/avast4workstation_1.3.0-2_i386.deb
sudo gdebi  avast4workstation_1.3.0-2_i386.deb
#done.

that's all i need and enough for me.
in case it's not enough for you, there are many other options:

clamav + gui

sudo aptitude install clamtk

avg
# download latest from http://free.avg.com/download?prd=afl
wget http://www.avg.com/filedir/inst/avg75fld-r51-a1243.i386.deb
sudo gdebi avg75fld-r51-a1243.i386.deb

bitdefender

avira see http://www.free-av.com/en/download/download_servers.php

panda antivirus, see http://www.pandasoftware.com/download/linux/descarga.asp



i put them on grml usb installation.
but... if you want instant solution, you can download, burn and use antivirus livecd from these vendors:
oot. windows based:
so... it's all up to you.
download and burn another cd everytime you need them?
or install it to usb flash drive and update them when needed....

which path you take...???


--
tips & tricks on computers and gadgets
denny on IT ; let's doIT
documenting the brain