networking - Wireless internet not working: unclaimed

wireless internet on my Acer Travelmate 5310 with Broadcom BCM5787M Gigabit Ethernet doesn't seem to be working. I am a newby to Ubuntu/Linux but tried the following:

00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 02)
00:1d.0 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02)
00:1d.3 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02)
00:1d.7 USB controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [AHCI mode] (rev 02)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 02)
02:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)
03:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
0a:06.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller
0a:06.1 FireWire (IEEE 1394): Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller
0a:06.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)
0a:06.3 SD Host controller: Texas Instruments PCIxx12 SDA Standard Compliant SD Host

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

description: Ethernet interface
       product: NetLink BCM5787M Gigabit Ethernet PCI Express
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 02
       serial: 00:16:d3:5d:58:3b
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 duplex=full firmware=5787m-v3.23 ip=10.0.1.17 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
       resources: irq:45 memory:d6000000-d600ffff
  *-network UNCLAIMED
       description: Network controller
       product: BCM4311 802.11b/g WLAN
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       version: 01
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: latency=0
       resources: memory:d8000000-d8003fff

• sudo rfkill list

  
  

  0: acer-wireless: Wireless LAN
  Soft blocked: no
  Hard blocked: no
  

Apparently the network is UNCLAIMED. Could anyone help me out on this one?

12.04 - Compatible OS on AMD APU Dual Core-E1-2100 with 2Gb RAM

I would like to use Ubuntu on my Lenovo laptop with AMD APU Dual Core-E1-2100 and 2Gb RAM, let me know the compatible Ubuntu OS.

drivers - Catalyst on Ubuntu 13.04 hybrid graphics supporting dual screen?

anyone made double screen configuration works on Ubuntu 13.04 using Catalyst? I followed this guide How do I get AMD/Intel Hybrid Graphics drivers to work?

I have tried several drivers (the latest beta and the latest stable ones) - did not succeed. Everything works until I turn on the second monitor. After that just flickering. If anybody has the working configuration, please, let me know.

autostart - Service (grafana-server) does not start automatically on Ubuntu 16.04

I have a problem with autostarting Grafana on Ubuntu 16.04 (while it starts automatically on 14.04, also other added services on 16.04 configured in a similar way do start automatically).

I ran configuration as below:

$ sudo update-rc.d grafana-server defaults

No output from the command (running multiple times does not print any new information):

$ sudo update-rc.d grafana-server defaults
$ sudo update-rc.d grafana-server defaults
$
$ sudo reboot

After restart the service is stopped (if I delete /var/log/grafana/grafana.log before reboot, it is not created). The status is:

$ sudo service grafana-server status
● grafana-server.service - Starts and stops a single grafana instance on this system
   Loaded: loaded (/usr/lib/systemd/system/grafana-server.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: http://docs.grafana.org

And the service starts up when called manually:

$ sudo service grafana-server status
● grafana-server.service - Starts and stops a single grafana instance on this system
   Loaded: loaded (/usr/lib/systemd/system/grafana-server.service; disabled; vendor preset: enabled)
   Active: active (running) since Sun 2016-07-17 23:07:33 JST; 1s ago
     Docs: http://docs.grafana.org
 Main PID: 2658 (grafana-server)
    Tasks: 7 (limit: 512)
   Memory: 23.0M
      CPU: 105ms
   CGroup: /system.slice/grafana-server.service

           └─2658 /usr/sbin/grafana-server --config=/etc/grafana/grafana.ini --pidfile= cfg:default.paths.logs=/var/log/grafana cfg:de

After another reboot, it does not start.

Startup scripts in init.d are present:

$ ls -l /etc/rc3.d/*grafana*
lrwxrwxrwx 1 root 24 Jul 17 22:58 /etc/rc3.d/S04grafana-server -> ../init.d/grafana-server*
$ ls -l /etc/init.d/grafana-server

-rwxr-xr-x 1 root 3291 Jul 12 19:57 /etc/init.d/grafana-server*

What might be wrong?

Dual boot fail, Windows 7 doesnt Load

After installing Ubuntu in a dual boot with Windows 7, I could not at first boot into either Ubuntu or Windows 7.

I then ran boot-repair from a live USB and restarted. After this, I was able to boot into Ubuntu 14.04. But Windows 7 still refuses to boot.

Grub shows the entry for booting Windows, but after selecting Windows, I am presented with the Windows screen, followed by a quick flash of a blue screen, then dumped back into grub.

Some additional info:
When I ran boot-repair, it mentioned that my NTFS was now SFS, and it had an LDM blocker.

Help?

NVidia Optimus: how to disable onboard Intel GPU so that NVidia drivers work - other than in BIOS

BACKGROUND:

I have an Acer Aspire V3-571G laptop which has an NVidia GeForce 710M GPU with "Optimus" technology (meaning it is capable of automatically switching between the onboard Intel GPU and the NVidia GPU, in order to optimize battery life)

Recently I installed NVidia's proprietary drivers on Ubuntu (previously I was using nouveau, until I realized that was only using the builtin Intel GPU and wasting the potential of the NVidia GPU).

Starting from then, I've incurred in this bug: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1353620
that is, the system randomly freezes (i.e. stops responding) from time to time, unless I connect an external monitor, in which case everything works fine.

According to an NVidia technician that replied to a Customer Care ticket I opened, this is due to a complete lack of support of NVidia's linux drivers for Optimus technology.
(yes, a technology they created).

According him, disabling the onboard Intel GPU, which is "usually" done via the BIOS ("usually" is what he said), may fix the issue, avoiding the automatic switching between the two GPU's.

QUESTION:

Since there's no way in my computer's BIOS settings to disable Optimus or the onboard GPU so that only the NVidia card is enabled, does anybody know of any way to accomplish that other than the BIOS?

P.S. Please refrain from suggesting Bumblebee, that would be OT. I'll investigate that, but my question here is if there is a way to disable the onboard Intel GPU if such an option is not available in the BIOS.

If you don't have the option to switch GPUs in the BIOS then it's quite likely you have a muxless laptop, where the Nvidia GPU doesn't have direct access to the internal laptop display, and where it wouldn't make sense to switch off the Intel GPU.

Apart from the BIOS, there is a the vga_switcheroo command, which allows one to change which GPU acts as the primary GPU, but this command doesn't work on muxless laptops either -- you're not missing much though, it's tricky to use, and only works on a very limited set of hardware anyway.

It's not that dire though, as you have three options available to you:

1. Bumblebee (Nvidia)


2. Nvidia Prime (Nvidia)


3. Optimus Prime (Nouveau / Proper Linux Way(TM))

Bumblebee and Optimus Prime allow you to use the Intel GPU most of the time, but to offload 3D rendering to the Nvidia GPU on a per program basis, and Nvidia Prime allows you to 'switch' which GPU is active, but using software muxing rather than hardware muxing.

I'd recommend reading an article I've written (Driving Multiple Monitors on an Optimus Laptop) that should hopefully give you a better understanding as to your options, and allow you to confirm whether your laptop definitely is muxless or not.

Ubuntu 14.04 not discovering wireless router

My Ubuntu version 14.04 suddenly stopped discovering my comcast wireless router. I can see other routers. I can also connect to it by "Connect to a Hidden WIFI Network..".

Is this a router configuration issue?

Below is the ubuntu release and wireless hardware information.

cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"


add wireless hardware
##### lspci #####

06:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
Subsystem: Hewlett-Packard Company BCM4311 802.11b/g Wireless LAN Controller [103c:1363]
Kernel driver in use: b43-pci-bridge