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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What does %h and other symbols like it mean?

I have seen % and then some letter for example %h in config files in Ubuntu and in other Linux distributions but I do not know the names of them or what they all do, so I am just wondering if there is ...
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0answers
12 views

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
20 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
14 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 ...
2
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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: ...
1
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1answer
35 views

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

SOLUTION 0 0 * * * /usr/local/bin/bitcoind -datadir=/home/pi/bitcoinData -daemon >> ~/bitcoinData/bitcoin-cron.log 2>&1 0 6 * * * /usr/local/bin/bitcoin-cli -datadir=/home/pi/bitcoinData ...
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votes
2answers
38 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:~# ...
1
vote
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
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 ...
2
votes
1answer
23 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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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, ...
1
vote
1answer
26 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?
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 ...
1
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0answers
12 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 ...
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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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votes
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 - ...
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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 ...
1
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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
votes
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
vote
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 ...
0
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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 ...
1
vote
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
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, ...
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votes
1answer
93 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
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
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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 ...
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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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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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0answers
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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 ...
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2answers
39 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 ...
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0answers
18 views

Qemu/KVM assign usb input devices to VM

So I have an Ubuntu 16.04 host running Qemu/KVM and a Windows 8.1 guest. I have successfully gotten the guest to use both a dedicated video card and dedicate monitor.. however I cannot figure out the ...
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0answers
20 views

How to use xpra like xvfb-run?

xvfb-run allows me to open a display and run a graphical app and when the app finishes xvfb closes too. for example xvfb-run --auto-servernum --server-args="-screen 0, 1920x1080x24" nw script.js ...
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0answers
29 views

cat tty freezes the system while I can observe tty through screen

So I have been subject to this weird behaviour. A few days ago I could read my GPS data on Beaglebone Black (latest Debian) on ttyO4 using cat /dev/ttyO4 But since yesterday whenever I try this ...
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1answer
21 views

What is the problem with the option name in Ubuntu?

oneimage create --name "ubuntu 14.04" \ --path "http://releases.ubuntu.com/14.04/ubuntu-14.04.4-server-amd64.iso" \ --driver qcow2 \ --datastore default I am getting invalid option for --name. I am ...
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2answers
114 views

Ubuntu 16.04 Emergency boot mode

So this rigs been running fine for a week now, (fresh build, new mobo/ram/cpu/hdds/etc) Anyway last night I remotely rebooted this machine then I came in today to be greeted by an Emergency Mode boot. ...
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0answers
56 views

“No space left on device” when trying to copy small folder to an external drive with alot of free space

I have an Hitachi XL1000 1TB external drive. It shows around 300GB of free space, either via the file explorer properties or via df command. But I get an "Error creating directory: No space left on ...
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1answer
33 views

Ubuntu 14.04, computer freezing

I have a problem with my netbook, it freezes frequently at random. Then it makes crunching noises and nothing helps except pressing the power button. It happens every 1-2 hours or so, during me ...
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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 ...
7
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2answers
187 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
19 views

unable to setup chroot in ubuntu 14.04 [closed]

strace /usr/sbin/chroot /opt/chroot/ opt/chroot/usr/local/nginx/sbin/nginx -t execve("/usr/sbin/chroot", ["/usr/sbin/chroot", "/opt/chroot/", "opt/chroot/usr/local/nginx/sbin/"..., "-t"], [/* 23 ...
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0answers
26 views

Puppet managed home directory

We use puppet to manage users in our production ubuntu servers and user home directory is managed by puppet. Until recently puppet was not removing the user home directory when an user is ensured ...
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1answer
57 views

Why can't I click between windows after Xenial (16.04) update?

I recently updated to Ubuntu 16.04 Xenial, and since then, I have been unable to click between windows. For example, I have a Chrome window up, open Sublime Text, and try to click Sublime (or Chrome) ...
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1answer
33 views

can anyone assist me in what this code does? [closed]

I don't know what this code does i am using this forum to assist my learning. for i in $ ( ls ) do [ -r $i ] && more $i done I am stuck with this code i am only learning.
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1answer
38 views

trying to learn unix stuck on this question [closed]

Write a script which will request a user to type in an integer and then guess its square. The script will then either congratulate the user or inform the user what the correct answer is
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0answers
17 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 ...
0
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1answer
26 views

How can I share an internal disk via NFS? (What am I doing wrong?)

I have an NFS server (machine A) that mounts a 4TB internal hard drive at /data/Storage, and exports /data to client (Machine B). If I put a regular file in MachineA:/data, you can see it in ...
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0answers
18 views

how to create domain user [closed]

question Lists in a list item: - Indented four spaces. * indented eight spaces. - Four spaces again. 2. Multiple paragraphs in a list items: It's best to indent the paragraphs ...