Tuesday, February 12, 2013

Are Ohava Linux laptops as good as they describe them?

Q. I am planning to by a Linux Laptop, In my search I ao this company site Ohava but I could not get any review about their devices. Cane anybody help me?

A. From what I can tell they are a newer company, without a lot of a track record, but on the plus side the designs are straightforward (I would describe them as a mid 90's ironic throwback) and allow easy access to the internals for upgrades and modifications. Also looks like decent price points for the hardware involved.

How do you share the internet through a Linux laptop?
Q. Im trying to share the internet through a wireless connection on my linux laptop, through to my xbox 360 (via ethernet cable)

A. Bridging, for example, links the two network adapters so that Ethernet frames flow freely between them, just as if they were connected on a simple hub. All of the traffic heard on one interface is passed through to the other.

You can set up a bridge so that the computer itself does not participate in the network at all, essentially transforming the computer into an overpriced Ethernet repeater. But more likely you will want to access the Internet as well as bridge traffic between the ports. That isn't complicated, either.

Bridging requires the bridge-utils package, a standard component of every modern Linux distribution that provides the command-line utility brctl.

To create a bridge between your network adapters, begin by taking both adapters offline with the ifdown command. In our example eth0/eth1 setup, run sudo ifdown eth0 and sudo ifdown eth1 from the command line.

Next, create the bridge with sudo brctl addbr bridge0. The addbr command creates a new "virtual" network adapter named bridge0. You then connect your real network adapters to the bridge with addif: sudo brctl addif bridge0 eth0 adds the first adapter, and sudo brctl addif bridge0 eth1 adds the second.

Once configured, you activate the bridge0 virtual adapter just as you would a normal, physical Ethernet card. You can assign it a static IP address with a command like sudo ifconfig bridge0 192.168.1.100 netmask 255.255.255.0, or tell it to retrieve its configuration via DHCP with sudo dhclient bridge0.

You can then attach as many computers, hub, switches, and other devices as you want through the machine's Ethernet port, and they will all be able to see and communicate with each other. On the downside, if you have a lot of traffic, your computer will spend some extra energy passing all of those Ethernet frames back and forth across the two adapters.

How do I convert my musical technology on my laptop into hardware?
Q. I have a linux laptop with synthesizers, loopers, etc. The laptop is a pain in the ass and 70% of the time I spend with it is troubleshooting. I was wondering if anybody has or had a setup with a looper, synthesiser, and drum machine that is all hardware. I also need to know where to find these. I am also not quite sure about something else: Would a midi keyboard work with a hardware synthesiser and looper. Much appreciation if this question is answered.

A. There are several stand-alone sequencers like the Yamaha QY series. Also, several beat boxes like Korg's Electribe series will output midi data which allows them to be used as both a source of sounds and a sequencer for other drum machines.

I too do not like using laptops live (although I have.) Too many thing to go wrong. If you do end up using a laptop, keep it simple with only a midi sequencer running (like Cakewalk, Cubase, Sonar, etc.) Once you get softsynths running, you're maximizing CPU and memeory resources and running the risk of a crash.

As far as loopers, there are several stand-alone models like the Boss LoopStation. Synthesizer workstation like the Roland Fantom or Yamaha Motif will also play loops, although those types of keyboards are very expensive.

Good Luck!



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