Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Couldn't connect to Larvel homestead database with MYSQL workbench

I am unable to connect to laravel homestead via mysql workbench here is how i connected but i am facing the below issue Plz Plz help me !!! Edit: Here are the details as requested by Gerath ...
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1answer
49 views

Is the openjdk-r ppa trustworthy enough to install on server?

We are running ubuntu 14.04, which still does not have openjdk8 yet. And I doubt they are going to fix this very soon. We need jdk8 very badly. Is this openjdk-r ppa safe enough?
2
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1answer
140 views

Bridged networking problem with Xen 4.6 and Ubuntu 16.04

I'm trying to setup a Xen virtualization on Ubuntu 16.04, and Xen 4.6. My plan is to have 1 private network, as well as virtual servers with public IP addresses which should be accessible externally (...
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1answer
86 views

Why I cannot purge mono-devel on Ubuntu Linux 16.04?

After I sudo apt-get install mono-devel , when I try to purge mono-devel on Ubuntu Linux 16.04, I get the following error message: Reading package lists... Done Building dependency tree ...
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0answers
15 views

Ubuntu Gnome stuck in startup(gnome logo) sometimes

I pick a(successful startup) and b(fail to start) dmesg file, hope someone can help me differ the file and find out why sometimes my ubuntu system fail to start(it frozen before login interface ...
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0answers
19 views

Multiple Subinterfaces on a Wireless NIC (Ubuntu)

I need to create multiple subinterfaces on a wireless NIC. I have done it on a regular wired NIC before but before I test myself, I wanted to find out from the community if it is possible. The ...
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1answer
26 views

Continue monitor web server and download newly added files

What are the best way to continuously monitor a web server (HTTP) and download newly added file with min. delay (ideally < 1min. delay)?
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1answer
36 views

pppd: using the noauth option requires root privilege

I have a user username who is member of group dip. I'm trying to run /usr/sbin/pppd, which is mode -rwsr-xr--, owner root, group dip, as user username. However, I get the error message: /usr/sbin/pppd:...
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0answers
46 views

Linux Mint 17: Menu editors can't “move” Main Menu applications

Linux Mint 17.2 Rafaela 64-bit MATE 1.10.2 mintmenu 5.6.4 Menu editors cannot apply "move" to Mint Menu applications. Mozo menu editor (default menu editor, version 1.10.1-1+rafaela) Displays ...
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0answers
28 views

Find recursively files that have a percentage of lines in common

Is possible to do this? I want an output where i have only files that are 50% the same of others or have 20+ lines in commons. I'm trying to isolate commons functions in *.java files. Thank you!
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1answer
170 views

How to Get Sufficient Flash Player in Chromium?

Test video https://twitter.com/NHL/status/740577888735526912. In Chromium Unsuccessfuly attempts I followed the guide here > https://get.adobe.com/flashplayer/ > 64 bit apt Ubuntu 10+. After ...
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0answers
17 views

rsyslog: how to log to one of multiple log servers

I have a server that generates a lot of log content (single log file), and want to send it out to say 4 backends. I do not want all entries to be duplicated to every backend, but, say, rotate among ...
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2answers
67 views

How to Make MoveToTrash mean Delete Permanently by One-liner?

I did Move to Trash > Empty Trash. However, .fileNames and .directoryNames stay in the filesystem those .files/.directories which have exactly the same name as my deleted files/directories For ...
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0answers
75 views

Forcing zpool to use /dev/disk/by-id in Ubuntu Xenial

I'm giving the bundled OpenZFS on Ubuntu 16.04 Xenial a try. When creating pools, I always reference drives by their serials in /dev/disk/by-id/ (or /dev/disk/gpt on FreeBSD) for resiliency. Drives ...
1
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1answer
46 views

iptables configuration

I'm trying to setup iptables, the forward rules are workin fine, but the output rules are making problems. I Can't access internet from the hosts beheind the firewall neither the firewall server can ...
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0answers
50 views

Why does my cursor keep disappearing/flickering?

I'm fairly new to Linux, and am starting out with Ubuntu in an effort to become more comfortable with the operating system. However, I'm currently using a dual-screen setup, with one screen being a ...
0
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1answer
21 views

Installing large package throwing “no space” error

Im trying to install unity3D on my persitsent Ubuntu linuy, the stick is 10+ gb and the persistent part about 4GB. But whenever i run dpkg -i unity-editor-5.3.5f1+20160525_amd64.deb it takes a while ...
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1answer
52 views

How would I make this script more efficient? [closed]

I am writing a script that will systematically install Numix theme using gnome-tweak-tool. I want to make sure that I don't reinstall items if they are already installed, so I used which [name of ...
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1answer
15 views

Detect WebP files

I am using Ubuntu and type doesn't seem to work for webp images: bash: type: test.webp: not found How can I discriminate webp images from the command line?
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1answer
85 views

Still prompted for password after creating authorization keys

I have a Macbook pro, and I successfully set up authorization keys so that I didn't have to enter a password each time I log in to a remote machine. Years later I have a new computer that I have put ...
1
vote
1answer
54 views

Why is /lib/modules so huge under my gentoo, compared to Ubuntu

I have a Gentoo installation. For compiling the kernel I used the configuration from Ubuntu 14.04 kernel. I find it hard to understand why the sizes of the modules libraries are so different: In ...
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0answers
37 views

Does copying files to live usb damage the installation?

I've made myself a live Ubuntu stick (with persistence if that matters) but I can't boot into it from the PC I'm currently using (boot menu is restricted) Can I save files onto the USB without ...
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2answers
38 views

Where is the ntpd package on Ubuntu Wily (15.10)

I am looking for/trying to install ntpd I am using the following Ubuntu distribution: Distributor ID: Ubuntu Description: Ubuntu 15.10 Release: 15.10 Codename: wily sudo apt-get install ...
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0answers
41 views

Trying to use Python SpeechRecognition on Ubuntu 14.04 but flac-linux-x86 not found

When I try to run the example script audio_transcribe.py on my Ubuntu 14.04 virtual machine I get a FileNotFoundError: [Errno 2] No such file or directory. The thing is, I can see the exact file ...
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0answers
21 views

Setting primary screen in middle of three-monitor-setting

While googling to solve my problem I came across the stack post here. However, my setting is a little different: ----- | D | | V | -------- ---------- | I | |HDMI-1| |Notebook| | - | --------...
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0answers
21 views

Why these condas take much space?

I am newbie in conda and trying to understand its environments. System: Ubuntu 16.04. I do but notice it takes about 28 Gb memory, which I cannot understand. sudo -H pip install conda conda create ...
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1answer
15 views

Is clock_getres the proper function for obtaining the resolution for Ubuntu 16.04 clock_gettime()?

Is clock_getres the proper function for obtaining the resolution for Ubuntu 16.04 clock_gettime()? If it is , how do I use the result to do this calculation? 64 bit integer has 15 base 10 digits of ...
3
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0answers
43 views

Getting a Windows 7 installation to run virtualized under Ubuntu?

I've currently installed Windows 7 and Ubuntu via dualboot. To avoid switching the OS by rebooting, i want to be able to start my Windows 7 via a virtual machine. It is important to be able to boot ...
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0answers
95 views

Assistance with mdadm.conf syntax for reassembly of existing RAID0

I'm trying to recover a friends data from a Sony Vaio VGN-AW47GH Laptop. It has a pair of Toshiba MK5055GS 2.5" 500GB HDD combined (according to my reading) into a 1TB RAID0. The laptop is no longer ...
1
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1answer
52 views

How to avoid the difference in options that were used for creation of ext4 partitions on different Linux distro?

I have some set of scripts that create qcow2 file with grub legacy (0.97) with special patch to boot from ext4 and ext4 file system for '/'. When I run those scripts on Ubuntu 12.04/14.04 the VMs ...
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1answer
29 views

internet connection issue after installing ubuntu

I just installed ubuntu 16.04 on a HP labtop. The installation process was finished successfully. I also enabled the wireless internet, the wireless icon shows the wireless connection is established. ...
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2answers
111 views

File server.js is being edited (by root with nano 2.4.2, PID xxxx); continue?

I am on Ubuntu 15.10 x64. When I am trying to edit server.js file, it is opening a blank nano editor and displaying "File server.js is being edited (by root with nano 2.4.2, PID xxxx); continue?" ...
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3answers
107 views

Can I obtain microsecond granularity when I calculate the number of nanoseconds from Windows Epoch to today?

Using Ubuntu Linux 16.04 and g++, I was wondering if could obtain microsecond or millisecond granularity when I calculate the number of nanoseconds between Unix Epoch or Windows Epoch and an arbitrary ...
0
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1answer
32 views

Installing ROOT(statistics program from CERN) on Linux Ubuntu

I'm trying to install ROOT v5.34 on Linux Ubuntu v12.04. After extracting the files and running the configure script, I type in make to initiate the installing process. However, after some time, I get ...
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1answer
38 views

What desktop environment was Joli OS based on?

I know Joli OS was based on Ubuntu (or some Ubuntu flavour), but what DE was it based on? Or had it built its very own?
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2answers
49 views

Is it possible to format the root boot disk with Ubuntu still running?

I want to boot Ubuntu, and format the root / boot disk whilst Ubuntu is still running. Is this possible?
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0answers
158 views

Ubuntu 16.04 LTS - ssh connection times out using host-only adapter

I have set up a Ubuntu 16 LTS server in VirtualBox and have added a Host-only Network adapter. The IP address is set from what I can see running ifconfig but I am unable to ssh in from bash, the ...
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0answers
32 views

Virtualbox Ubuntu guest Xilinx Platform Cable USB II

I try to install Ubuntu on a Virtualbox. (Windows 10 Host, 64 Bit LTS 14.04) Ubuntu is working so far but after installing Vivado (Webedition) I created a simple hello world. Synthesizing is working ...
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0answers
38 views

DHCP and Option82 unable to allocate addresses

On my pc, I have four NICs - eth0,eth1,eth2,eth3. eth1 is connected to the company LAN. eth0,eth2,eth3 are connected to a switch I am currently configuring as a study. eth0 is the dhcp server, eth2 is ...
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2answers
50 views

What is the purpose of '/var/lib/dpkg/available' file in Ubuntu/Debian? [duplicate]

What is the role of the /var/lib/dpkg/available file in Ubuntu and Debian machines?
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0answers
57 views

How can I use two Ethernet cards in AWS Ubuntu LTS 14.0

We are using two Ethernet cards in an AWS Ec2 instance. And trying to ping with both Ethernet card by using ping -I eth0 google.com and ping -I eth0 google.com, we got the response from eth0, and eth1 ...
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0answers
30 views

ubuntu / mint / debian bad super blocks EVERY TIME

i have been having some trouble with bad super blocks. Starts up in busybox terminal or black screen. linux mint (lts) bad superblock i installed linux mint and had a bunch of bad super blocks, so ...
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0answers
10 views

Hibernation causes no network xor transparent mouse

Xubuntu 16.04, Toshiba Portege T50-B. Hibernation through closing laptop lid causes effect, that after opening it I can see most pointer on xscreensaver, but after entering password pointer becomes ...
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0answers
32 views

How to install libav on Linux 14.04 Server?

I have setup a webserver with ubuntu 14.04 now I have to install Libav via SSH commands. Can you please help me with those commands? And Please do let me know how to I check that its properly ...
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2answers
35 views

VirtualBox Ubuntu on Windows XP host

I am attempting to make some installations on the Ubunto VirtualBox, running in a Windows XP host. The installation seems to work, I can successfully install programs using sudo apt-get install XXX ...
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1answer
25 views

Pre-built developer ubuntu VM

I'm searching for a Ubuntu (or other Linux distribution) VM with pre-installed Maven, JDK, Code-Editor, etc. It's pretty annoying to install all these tools every time you set up a new development ...
1
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1answer
52 views

Running a cron job randomly for every one hour

I want a cronjob to run every one hour randomly. (i.e if the first job runs at 58 minutes,the second job should run at 47 minutes and the third one at 52 minutes and so on) But this should run ...
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0answers
26 views

Installing Ubuntu alongside Windows 10

I want to install Ubuntu alongside of Windows 10. When I boot the system using a Ubuntu DVD or bootable flash memory I immediately get: error: timed out waiting for forcewake to ack request and then ...
2
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1answer
38 views

Missing Ubuntu in boot menu after installing Cent OS 6

I had Ubuntu in my hard disk and after installing CentOS 6 on it I am not able to see Ubuntu in the boot menu. My /bootgrub/grub.conf file looks as follows: What changes do I need to make in this ...
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0answers
42 views

Booting and installation problem. Windows 8 and Ubuntu 16.04

I installed Ubuntu. But. I couldn't boot back into windows (not shown at the grub) until I put this into the terminal: sudo apt-get install lilo sudo lilo -M /dev/sda mbr It was a success. I ...