Tag Archives: ubuntu

Linux 5.4-rc1 Kernel Steps Forward With Next-Gen GPU Bits, Arm Laptop Support & exFAT


LINUX KERNEL --

It’s coming one day late due to the last minute entropy/RNG patches to improve the random behavior during boot time (among other late patches), but Linus Torvalds has just tagged Linux 5.4-rc1 as what will be the last major stable kernel release of 2019.

See our Linux 5.4 feature overview if missing it from the weekend. Linux 5.4 is bringing new GPU support from Intel and AMD Radeon, long-desired Microsoft exFAT file-system support, Icelake Thunderbolt support is finally in place, Qualcomm Snapdragon 855 SoC support, the ability to run mainline kernels on various Arm consumer laptops, better IO_uring support, Logitech Lightspeed receiver support, and a heck of a lot more. See our feature list for all the details.

Linux 5.4 stable is likely to debut by the end of November or potentially December should last minute bugs come about. Following that will be the Linux 5.5 cycle before the holidays but that will not be out as stable until into Q1’2020. Linux 5.5 in turn is what will hopefully be shipping in the likes of Ubuntu 20.04 LTS.

Linux 5.4-rc1 is available from Git and Kernel.org while awaiting any release announcement from Torvalds. At least as of -RC1, the Linux 5.4 kernel is still carrying over the codename of the “Bobtail Squid”, a relative to the Cuttlefish. Linux 5.4 benchmarks coming!


AMD Ryzen 9 3900X Benchmarks On 11 Linux Distributions


Now that BIOS updates over the past month have resolved the early boot issue with Ryzen 3000 processors and thus the new AMD CPUs playing nicely with modern Linux distributions, here is the long-awaited benchmark comparison of the Ryzen 9 3900X + X570 system benchmarked across an array of different Linux distributions… In fact, 11 Linux OS releases in total were tested on this high-end 12-core / 24-thread desktop processor.

Last week was a look at eight Linux distributions on the AMD EPYC 7742 2P server while this is the desktop equivalent and pulling in more distributions given the more diverse Linux desktop ecosystem. The Ryzen 9 3900X was running at stock speeds on the ASUS ROG CROSSHAIR VIII HERO WiFi motherboard with 2TB Corsair Force MP600 PCIe 4.9 NVMe SSD, and Radeon RX 560 graphics (not the focus of today’s tests).

Each Linux distribution was cleanly installed and tested out-of-the-box with all available updates as of testing. Via the Phoronix Test Suite a wide range of benchmarks were carried out.

Given the latest BIOS updates for the ASUS X570 motherboards, there weren’t any Ryzen 9 3900X (Zen 2) or X570 compatibility problems to note. The only Linux hardware compatibility to mention was Intel’s Clear Linux not detecting the Corsair Force MP600 PCIe4 solid-state drive. It appears to be due to Intel’s power management policies and similar Samsung NVMe SSD issues we saw before on AMD platforms with Clear Linux, the MP600 was not working. So for the Clear Linux testing we resorted to using an older (and slower) Corsair Force MP500 SSD on this system while running Clear Linux.

The tested Linux distributions were Clear Linux 30940, Debian 10.0, Debian Testing, Endeavour OS, Fedora Workstation 30, Manjaro Linux 18.0.4, Solus 4.0, Ubuntu 18.04.3 LTS, Ubuntu 19.04, Ubuntu 19.10 daily, and openSUSE Tumbleweed.


Mate-Optimus – MATE Desktop applet for controlling NVIDIA Optimus graphics cards


NVIDIA© Optimus(TM) technology intelligently optimizes your notebook PC, providing the outstanding graphics performance you need, when you need it, all the while extending battery life for longer enjoyment.

This applet provides means to display the active GPU and lets you switch between the Intel and Nvidia GPUs on NVIDIA Optimus equipped computers.

Install mate-optimus on ubuntu 9.04/9.10

Open the terminal and run the following command

sudo apt-get install mate-optimus

After installation application only shows if you have NVIDIA Optimus graphics card on your system.

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How to map network drive on Ubuntu 9.04/9.10


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This tutorial expalins how to map a network drive in ubuntu 9.04/9.10.This is very useful if you are trying to map your windows machine/another linux machine drive on to your system.

Preparing your system

First you need to create a directory where you want to mount

sudo mkdir /media/share

Now install cifs-util package this provides support for cross-platform file sharing with Windows, OS X and other Unix systems.

sudo apt-get install cifs-utils libnss-winbind winbind

Now edit the nsswitch.conf file

sudo gedit /etc/nsswitch.conf

Change the following line from

hosts: files mdns4_minimal [NOTFOUND=return] dns

to

hosts: files mdns4_minimal [NOTFOUND=return] wins dns

Save and exit the file.

Now restart your ubuntu system.

Mapping network drive

Now you need to edit the /etc/fstab file and you can take backup before editing the live file.You need to create credential file and also need to get the UID and GID values.Create smb password file using the following command

gedit ~/.smbpass

Add the following details

username=geek
password=newworld123

Save and exit the file.

Note:- Replace username and password with your own

You can get UID and GID details using the following command

id ubuntugeek

Note:- Replace ubuntugeek with your logged in userid

We need to edit the fstab file using the following comamnd

sudo gedit /etc/fstab

Add below command in one line and save it.

//192.168.3.55/share /media/share cifs credentials=/home/ubuntugeek/.smbpass,iocharset=utf8,gid=1000,uid=1000,file_mode=0777,dir_mode=0777 0 0

Replace the bold ones with your own details.

Run the following command

sudo mount -a

you’ll get the network share mapped in Unity Launcher and Nautilus file browser.This will map your drive permanently.

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8-Way Linux Distribution Benchmarks On The AMD EPYC 7742 2P Server


A few days ago I provided some benchmarks showing how running Intel’s open-source Clear Linux on AMD EPYC Rome can provide some significant speed-ups over Ubuntu Linux, but how do other Linux distributions compare on AMD’s new Zen 2 server processors? Here is an eight-way benchmark comparison on the AMD EPYC 7742 2P Daytona server with its 128 cores / 256 threads.

The dual AMD EPYC 7742 server was equipped with 512GB of RAM and using an Intel Optane 900p NVMe solid-state drive for storage throughout. The tested Linux distributions were Ubuntu 18.04.3 LTS, Ubuntu 19.04, Ubuntu 19.10 daily (4 September 2019), openSUSE Leap 15.1 derived from SUSE Linux Enterprise 15 SP1, Red Hat Enterprise Linux 8.0, Fedora 30, Clear Linux 30940, and Debian 10.0.

All eight Linux distribution installations were cleanly installed each time and left at their default/out-of-the-box configuration for a representative initial/clean experience on each platform. Via the Phoronix Test Suite a wide range of tests were carried out.