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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Java 8 PPA as dependency for PPA repo?

In launchpad you can add PPA dependency to your PPA packages. I tried to add ppa:webupd8team/java as a dependency to my PPA package, but it doesn't install when I install my package. I also tried ...
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0answers
12 views

Ubuntu 16.04, Nvidia driver issues

Ok first off I tried installing the nvidia-current-updates but upon reboot both Unity and Cinnamon crashed. Removed them then tried the official 361-42 drivers. I can login to a desktop but there's ...
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0answers
12 views

cron job quit working after latest apt-get upgrade

I've been running a cron job every 15 minutes for years, with few problems. Sometime in the last week, it quit running, I'm assuming after a apt-get upgrade && apt-get dist-upgrade. I was ...
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2answers
18 views

To Have Eclipse 4.5 in Path?

I downloaded the precompiled Eclipse Mars 4.5 in the official site here. Pseudocode Extract the tarball eclipse-jee-mars-2-linux-gtk-x86_64.tar.gz Move extracted Eclipse directory to some location ...
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0answers
16 views

Remove devstack dependencies Ununtu 14.04 (32 Bit Dell Lattitude 5500)

I installed devstack in my old laptop. After installation when I try to access OpenStack, my laptop became very slow. Then I realized, that laptop had only 2 GB RAM. I ran unstack.sh and delete ...
2
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1answer
927 views

Linux - rendering performance after switching from nvidia to nouveau drivers

I use UBuntu 14.04 LTS. I have purged all nvidia proprietary drivers and currently my system use Nouveau driver. Here is an output from glxinfo | grep OpenGL : when using nvidia propietary drivers ...
2
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1answer
21 views

Extension “RANDR” missing on xvfb

My system: $lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty Xvfb: $ dpkg -s xvfb Package: xvfb ...
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2answers
33 views

Ouput to a file and read it [duplicate]

I am trying to output the ps command to a file in /home/username/ps.txt. I want to create the file on the go, write the output of ps to it and also read the same in a single command. I tried this: ...
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1answer
92 views

How to install Octave without GUI in Ubuntu 16.04?

I am really angry. Just installed the new ubuntu and run apt-get install octave. I got tons of crap installed (like Java, some QT libraries, and other pollution). How can I install Octave in Ubuntu ...
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0answers
26 views

Two cronjobs - First to start a process - Second to stop a process

UPDATE 2: The log file was showing /bin/sh: 1: bitcoind: not found So I added it into the PATH like this: pi@raspberrypi:~/bin $ locate bitcoind /usr/local/bin/bitcoind pi@raspberrypi:~/bin $ ...
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2answers
37 views

2.7 Terrabyte Partition only 100G in Size [on hold]

I've just partitioned and mounted a new 3-terrabyte hard-disk under Ubuntu. Now the size of the partition shows up as 100G only. lsblk command tells me sdc1 is 2.7 terrabyte root@homecinema-xbmc:~# ...
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6answers
67k views

How can I look up a username by id in linux?

The command id can be used to look up a user's uid, for example: $ id -u ubuntu 1000 Is there a command to lookup up a username from a uid? I realize this can be done by looking at the /etc/passwd ...
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0answers
13 views

Resize system partition

I would like to re-size xvda1 to 300G. I am using aws ec2 with Ubuntu 14.04. NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 300G 0 disk `-xvda1 202:1 0 8G 0 part / xvdb ...
1
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0answers
48 views

Able to ping my host but getting no route to host

I have a elasticsearch service running on MY_HOST_IP(10.x.x.xx) and port 9200. I am able to ping 10.x.x.xx from my VM, but when I try to connect elasticsearch it gives me : no route to host ...
33
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4answers
141k views

“Input/output error” when accessing a directory

I want to list and remove the content of a directory on a removable hard drive. But I have experienced "Input/output error": $ rm pic -R rm: cannot remove `pic/60.jpg': Input/output error rm: cannot ...
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1answer
19 views

Process login vs user login

In a Ubuntu 14.04 system, who has the following output: user1 :0 2016-05-02 14:49 (:0) user1 pts/4 2016-05-02 15:10 (:0) So apparently just the pts/4 is used. But, for example, ...
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1answer
747 views

Django can not connect to MySQL database over ubuntu 10.04

I am newbie in Django. I got a simple Django 1.3.* project, i would like to run it over my localhost. I installed all necessary modules like: python-mysqldb, rptz etc... I have ubuntu 10.04 ...
1
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1answer
25 views

Migrating mounts with identical permissions not working

I have two mounts /mount1 and /mount2. I ran the command: rsync -azrt /mount1/* /mount2/ to clone everything from /mount1 to /mount2. I then altered the /etc/fstab (see below) to remove /mount1 ...
7
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3answers
573 views

Real time cmd tool to show HDD space remaining

Is there a command line tool which shows in real time how much space remains on my external hard drive?
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2answers
745 views

Unable to create a multiboot usb stick with MultiSystem

I installed multisystem on Ubuntu 14.04 for multiboot usb. When I start the MultiSystem GUI, it shows me the USB device being mounted on /media/usb0, but when I select and hit confirm, I get the error ...
3
votes
1answer
4k views

Linker error: /usr/bin/ld: cannot find -lgcc_s

I am trying to compile symlinks (tar.gz-file), which is a very small tool with one line for compilation: gcc -Wall -Wstrict-prototypes -O2 -N -s -o symlinks symlinks.c which gives the error .... ...
7
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2answers
183 views
+250

GRUB confuses kernels/initramfs of Ubuntu and Arch Linux installation

I have a machine that used to dual-boot Ubuntu (16.04 currently) and Windows 7, with Ubuntu's GRUB as boot loader. Now I just added Arch Linux as third OS, following the official installation ...
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0answers
11 views

L2tpIPsecVpnControlDaemon critical error

I am currently trying to use l2tp-ipsec-vpn in my ubuntu machine. I followed a guide from tuxfamily to install it. Unfortanely, when I start the system, I got a window with the following error: A ...
1
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1answer
122 views

No DNS resolution after upgrade from ubuntu 14.04 to 16.04

I upgraded ubuntu 14.04 to ubuntu 16.04 and I have a problem with the internet connection. Specifically, DNS after update stopped working. For debugging purposes I set the only DNS 8.8.8.8, but name ...
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0answers
8 views

Docker - expose port to 1 particular host

We currently have a network consisting of 2 servers (mongodb and backend, from here on). All of them run Ubuntu 14.04 Previously we just ran both on the same server but we want to expand. We already ...
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1answer
16 views

Have I missed anything? user1 is not in the sudoers file [duplicate]

I've created a user on a server where there was only root as: # adduser user1 with a password. Then # su - user1 And then: $ apt-get update E: Could not open lock file /var/lib/apt/lists/lock - ...
1
vote
1answer
111 views

Being Prompted for Password After Already Registered Public Key On server

NOTE: This is not a duplicate to the popular question. Why am I still getting a password prompt with ssh with public key authentication? I had an original post but I did not get much answers helping ...
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0answers
12 views

Permanent shrill sound on ubuntu since buggy vlc video

A video with a buggy, or at least too complex soundtrack broke my Intel Ivy Bridge (i5-3337U) laptop running Ubuntu 15.10. In the middle of VLC playing the video, a shrill, slightly grating sound ...
0
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1answer
12 views

Windows and Debian dual boot menu order?

I have debian(elementary os) and windows installed on my lap. In the boot menu, every time I'm getting debian os first and it will automatically load after 5 seconds. How can I change the order to ...
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2answers
3k views

Linksys AE3000 install on linux

I bought a Linksys AE3000 wireless adapter hoping I could use it on my Ubuntu 12.04 box. I found a website that walked through using it, but it didn't work. I edited rtusb_dev_id.c to add: and then ...
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0answers
20 views

get file system shares working with virt-manager 1.3.2 in ubuntu 16.04 LTS

I have tried numerous things, and read numerous articles, but I'm not able to get file-system shares to work. Here is my setup: host machine: Ubuntu 16.04 LTS with KVM and virt-manager 1.3.2 ...
2
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1answer
855 views

Intel Skylake + DisplayPort 1.2 MST/Daisy chain on Linux

I am planning to buy hardware for using DisplayPort 1.2's MST feature to daisy chain two monitors in combination with the Intel Core i5 6600 Skylake processor on Ubuntu. Is this supported yet with the ...
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2answers
29 views

Assign a different ip for each .ovpn client? OpenVPN

Alright, so I'm using OpenVPN on ubuntu 14.04. Say I have a box, with 5 IPs, I have openvpn, but I want to make 5 different client certificates and .ovpn files, but each of those certificates will ...
2
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1answer
16 views

Is it possible to create a mdadm RAID10 with both near and far layout options?

How do you create a mdadm RAID10 with both near and far layout options? The wiki indicates it is doable. The "near" and "far" options can be used together... The man pages for mdadm don't ...
1
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1answer
23 views

Getting Ubuntu to Recognize USB Wifi

So, I'm really new to Linux systems and have just downloaded Ubuntu on my other desktop. The problem I'm having is getting it to recognize the USB wifi, TP-Link AC600 Archer T2UH. I went to the ...
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0answers
40 views

No internet connection after update from ubuntu 14.04 to 16.04 [duplicate]

Is there anyone who may help me with the following problem? I upgraded ubuntu 14.04 to ubuntu 16.04 and I have problem with the internet connection. Secifically, DNS after update stopped working, I ...
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0answers
11 views

do not follow mouse focus [on hold]

On my Ubuntu 14.04 I have a lightweight window manager wmii where a mouse motion changes a window's focus. This is annoying and I want to change this behaviour, i.e. if only I left-click on a window, ...
0
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1answer
38 views

Unable to install Ubuntu

I'm tying to install a fresh Ubuntu 15.10 distro on my laptop. I boot my pc from the usb with the Ubuntu installer, On the GRUB menu, I select test without install, but when it reachs the screen where ...
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0answers
15 views

Cinnamon DE - View all global key bindings?

I'm using Cinnamon 2.8.6 on Ubuntu 16.04. How do I identify which process is grabbing a hotkey or combination shortcut? I tried How do I find out what program 'owns' a hotkey?. However, ...
1
vote
1answer
1k views

XBMC crash after selecting “play”. Ubuntu 14.04 and 13.0 gotham. Link to crashlog

I have a brand new machine with fresh install of Ubuntu 14.04 and I'm trying to run Gotham 13.0 on it. I've already added the restricted multimedia codecs (just in case) to Ubuntu. sudo apt-get ...
1
vote
1answer
12 views

Music Player Daemon MPD - Lagging HTTP stream

HTTP stream from my MPD lags, i.e. audio from Pulse and HTTP output are not in sync, with HTTP output lagging Pulse. This also means that starting/pausing/stopping music from MPD is not reflected ...
0
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0answers
18 views

I'm able Start Service With init.d script, however doing service <service name> start does not work

I'm able to start a service with an init.d script, however doing service <service name> start does not work. For e.g. /etc/init.d/haskal start, the service is starting fine and service haskal ...
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0answers
12 views

Qemu/KVM, windows guest password prompt

Ubuntu 16.04 Qemu/KVM Windows 8.1 guest SSH from remote host into hypervisor, run virt-manager. Get prompted for creds: user1@hypervisor, authenticate successfully. Open guest, get prompted for ...
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3answers
11k views

Is there a way to write a script to do ftp login so I don't have to type things over and over again?

I am recently working extensively with a remote system via ftp connection, since the session time is so short that I have to re-login quite often when I finish my work on my local machine, so I need a ...
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2answers
2k views

Need to auto-login after logout on ubuntu

I've set up a kiosk using Ubuntu 12.04, and I'd like to have it autologin after a user logs out or if the screen locks, in case someone manages to get back to lightdm or tries to login to the ...
2
votes
1answer
129 views

Run Lua commands in Awesome window manager

I need to have network widget in my Awesome manager. When I placed in very bottom of rc.lua line awful.util.spawn("nm-applet") my Awesome was not starting until I have removed it. What is wrong ...
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0answers
28 views

Trouble Boot repair

I had a problem with my grub, it didn't recognize my OS, I have installed windows, ubuntu and kali. I tried to use Boot repair in a ubuntu live cd as sudo chroot "/mnt/boot-sav/sda10" apt-get purge ...
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0answers
17 views

what is difference between .deb pakage file and ddeb pakage file in linux

I need to install SystemTap in Ubuntu 14 and i would need to install debug symbols for kernel i encountered ddeb file how i could uninstall this file after installation ? i got ERROR: Build-id ...
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2answers
38 views

Ubuntu 16.04, drive path changed on its own [duplicate]

So yesterday I had a grub issue that required me to comment out the other two drive sin my fstab that get mounted. 1. an ssd that houses my qcow2 vm. 2. a 1tb seagate So all I had listed was / and ...
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1answer
44 views

Designing a new Operation System

I want to design a new OS to learn more about how an OS works. This OS is only for educational purpose and I had a few doubts choosing its kernel. Is there any legal issue for using an Ubuntu ...