updates

ubuntu 16.04 slurm srun failed with intel mpi?

I am trying to install slurm in a cluster running ubuntu 16.04. I am using intel mpi and the installation directory is located at the head node /opt/intel...

Published: Jul 27, 2026

general

Creating directory on cifs mount returns error, but directory is indeed created

I have mounted an external disk connected to an ASUS router, which implements a Samba server. Everything works just fine except one annoying thing: creati...

Published: Jul 27, 2026

updates

Hadoop: Not able to find the start-dfs.sh start-mapred.sh scripts

I have installed Hadoop by following this tutorial. I installed it using ppa. When I reached step 12 : Starting Hadoop Cluster. I got stuck. When I do cd ...

Published: Jul 27, 2026

news

Network Manager needs to be running

I have Ubuntu 20.04.4 LTS installed in my machine. I am behind a proxy server(in college) and I am facing a problem after I have started using proxy. The ...

Published: Jul 27, 2026

updates

Is `/etc/fstab` used to remount drives?

I have a device installed with Ubuntu 14.04.5 which has a single hard drive with an ext4 file system. By reading the document Ext4 Filesystem I learned th...

Published: Jul 27, 2026

updates

How to check hard disk performance

How to check the performance of a hard drive (Either via terminal or GUI). The write speed. The read speed. Cache size and speed. Random speed.

Published: Jul 27, 2026

news

Dell 9350 , ubuntu 16.04 , bluetooth mouse Dell WM615 connect and then disconnect after short time

i'm going mad with a bluetooth mouse ... i see many question and many people solve the problem but not me unfortunately ... I have a Bluetooth mouse ...

Published: Jul 27, 2026

news

How do I install Ubuntu for phone on Samsung Galaxy Mini? [duplicate]

Any completed procedure to install Ubuntu on Samsung Galaxy Mini.

Published: Jul 27, 2026

news

Upgrade Rasp Pi 4 with ubuntu server from 21.04 to 22.04

If I try to upgrade my Rasp Pi 4 running ubuntu server 21.04 I receive a warning that the upgrade to 21.10 is not supported. I would upgrade to 22.04 whic...

Published: Jul 27, 2026

updates

Qualcomm Atheros AR9462 with Ubuntu 18.10

I can't enable the Wifi (nothing happens when press enable button) and in Wifi settings it says: "No Wi-Fi Adapter Found" I have tried several things...

Published: Jul 27, 2026