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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How to restart docker containers(in specific order) automatically on every reboot in Ubuntu 14.04

I have two containers in Ubuntu Server 14.04 LTS and I want them to restart automatically on unexpected reboots. I have the below script, that restarts only one container. My requirement is to restart ...
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9 views

APEI Generic Hardware Error Source: 0

I have been facing this error from last many days. I am running Ubuntu 14.04 LTS on RH2288H V3. There is no timing of this issue to come but once it comes then after that nic's do not receive any ...
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41 views

Dante server doesn't work with username method

I've installed dante-server (1.1.19) on ubuntu 15.10 using apt-get install dante-server. I'm trying to make it work with the system passwd file. My configuration is as follows: /etc/danted.conf ...
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0answers
32 views

E_FAIL Error in 7zip

I've done a Backup some time ago using 7zip, in which I split the Files in 14 2GB (approximately) files. I'm running Ubuntu Server 15.10. This is what I'm trying to run in order to extract them: 7z ...
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0answers
53 views

Last doesn't show sftp logged users

To check users being logged on a web server I would like to use only last command. I know it can show all login sessions both ssh and sftp (ftp). This is what I had on CentOS 6.6 when using the last ...
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0answers
39 views

make ACL to work perfectly

I know there are plenty of questions and answers about ACL and permissions, but to be honest they are so weak to make any coherent understanding! it's just like a mix of unorganized information. Hope ...
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4answers
702 views

Monitor hard disk activity

In a Ubuntu 14.04 server I am experiencing a massive hard disk activity which has no apparent justification: it comes as a burst, it lasts a few minutes and then disappears. It consumes system ...
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1answer
49 views

How to “open” on a “filtered” port

I am running: $ ssh user@ip_address and waiting for long time without response. I try to verify the status of my port: $ a=`nmap ip_address -PN -p ssh | grep filtered` $ echo $a 22/tcp ...
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2answers
47 views

Awk run time error: not enough arguments passed

Here is the script: TYPE="${BLOCK_INSTANCE:-mem}" awk -v type=$TYPE ' /^MemTotal:/ { mem_total=$2 } /^MemFree:/ { mem_free=$2 } /^Buffers:/ { mem_free+=$2 } /^Cached:/ { mem_free+=$2 ...
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1answer
27 views

Fuzzy display after system upgrade

I'm getting a fuzzy image on my Ubuntu after the latest automatic system upgrade. (please ignore the reflections in the image, but a screenshot would not show the fuzziness). I think these may be ...
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0answers
67 views

Linux Mint 17.3 and Ubuntu 15.10 Both freeze after USB live boot

After booting into live USB after several seconds everything freezes I can't even open the terminal (CTR+ALT+F1), Looked for a solution and found out that putting acpi=off on the boot menu should make ...
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1answer
97 views

Ubuntu 14.04 dbus unable to start any daemons

syslog for running sudo invoke-rc.d dbus restart: Feb 28 22:01:45 javaprophet-desktop NetworkManager[946]: <info> caught signal 15, shutting down normally. Feb 28 22:01:45 javaprophet-desktop ...
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22 views

libc6 update on Ubuntu 14.04 LTS

Can we create a local repo in Ubuntu like we do it for RHEL YUM .. ? I would like to update libc6 package along on my Ubuntu machine. I tried adding proxy in apt.conf. Though my internet proxy does ...
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1answer
21 views

What is the differences between distributions, the OS and code names (stable, testing) in linux and what order is that listed in /etc/*release?

Overall, I'm trying to understand the differences between distributions, Operating systems and release code names (stable, experimental, testing) for Linux and how can those are listed in release ...
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0answers
41 views

Python installation fails in chroot

I tried to install Miniconda Python in a chroot: chroot $1 wget -q https://repo.continuum.io/miniconda/Miniconda3-3.19.0-Linux-x86_64.sh -O /tmp/miniconda.sh ...
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1answer
66 views

help understand /var/run/systemd/sessions/2 file / or hacked?

I have a ubuntu box and found this "2" file in /var/run/systemd/sessions. First thought was that I have been hacked because I don't recognize this IP address and have not explicitly configured this ...
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3answers
160 views

Find and rename files (including directories) whose filenames contain space [duplicate]

I have quite a number of files and directories with spaces in their filenames in my ext4 filesystems. How should I safely find and rename them? I have bash and am running Ubuntu. Is it possible ...
1
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1answer
51 views

Where to tar entire USB flash drives?

I want to do all my archiving and compression on the command line. I have a USB flash drive located at /dev/disk/by-label/SanDiskData (which links to /dev/sdc1). I thought I could simply do: $ cd ...
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1answer
82 views

Why linux system freezes and not recover from running out of RAM

I am running Ubuntu Desktop 15.10 on my machine with 4 GB of RAM and 4GB of swap. My understanding of Linux was, when it starts to run out of RAM, it will start killing processes to get some RAM back, ...
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0answers
37 views

touchpad not working graphical installation debian

I'm trying to install Debian 8.3 on top of a Ubuntu partition but when I choose graphical installation the touch pad is not working and I'm not comfortable installing it until i know whether i can ...
1
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1answer
87 views

apache2 no listening sockets available, but nothing listening on the port

I'm trying to setup SSL on an ubuntu server. I've generated a key and certificate with the following commands openssl genrsa -out mydomain.key 1024 and openssl req -new -key mydomain.key -x509 -out ...
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0answers
110 views

Unable to boot after kernel upgrade

My PC triple boot Windows 10, Ubuntu 15.10 and Kali 2016.1. It boots from Ubuntu Grub. Everything worked fine until yesterday. Yesterday Kali released version 4.4 of the kernel and I installed it. ...
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1answer
20 views

PPTP-Connection not possible because required service can't start

I'm in China and trying to use expressvpn. openvpn doesn't work properly in the wifi, so the people from expressvpn told me to use a pptp-connection instead. I've set that up but I can't connect. When ...
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1answer
116 views

g++ doesn't recognize standard 14 (-std=c++14)

I'm on Ubuntu 14.04 and have g++ 4.8.5 (Ubuntu 4.8.5-2ubuntu1~14.04.1). When trying to use -std=c++14 parameter, g++ outputs: unrecognized command line option '-std=c++14' Even when running apt-get ...
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2answers
38 views

How to automatically feed two arguments to program after startup? [duplicate]

I have this following script which works fine on ubuntu for starting and creating a new table for MySQL database: echo "CREATE DATABASE database_name" | mysql -u root -p After this command is ...
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0answers
30 views

Is that possible to run Ubuntu desktop installer from the existing iso on my hard drive?

I am runing debian 8 , i have a partition sd5 (100 GB ) ,Is that possible to install Ubuntu on sda5 from the existing iso without using cd or usb ?
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1answer
45 views

Replacing Fedora 20 with Ubuntu 14.10 [closed]

Currently I'm using Fedora 20, but I need to replace it with Ubuntu 14.10. Can someone, please, provide step by step explanation for that? Thanks in advance.
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1answer
91 views

PCI Passthrough KVM with vfio-pci giving EINVAL on PCI Probe

I am attempting to attach PCIe devices in passthrough to my KVM domain. I have two devices in one IOMMU group (#28): 03:00.0 PCI bridge: Texas Instruments XIO2001 PCI Express-to-PCI Bridge 04:00.0 ...
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0answers
38 views

How does Ubuntu's indexation work on a virtual machine?

I have read on https://help.ubuntu.com/community/FindingFiles the following sentence: Thankfully my computer indexes all my files every night while I sleep and I can search just the index, which ...
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0answers
212 views

Vulkan incompatible driver error with proprietary Nvidia 358 driver

I am attempting to install LunarG on my Ubuntu 15.10 system. I have a GTX 750 card and I am using the Nvidia 358.16 proprietary driver. Everything installs alright but when I run vulkaninfo, I get ...
1
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1answer
22 views

How to install packages onto a flash drive

I have a computer with Ubuntu Linux, and I have no more room on PC, so I have a flash drive that I want to install packages onto, is there any way to install a package onto a flash drive?
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0answers
44 views

Why is uEFI firmware unable to access a software RAID 1 /boot/efi partition?

BIOS firmware can boot a BIOS formatted /boot partition installed on a software RAID 1 pair no problem. It can even boot from a /boot installed on LVM volume that lives on a software RAID 1 pair. But ...
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0answers
36 views

Auto Configuration of network failed

I have 2 virtual machines in Virtualbox. Both machines are in Internal Network. Machine 1 is DHCP server,TFTP server Machine 2 is PXE client. I am trying to install Ubuntu 14 on PXE client. I am ...
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0answers
35 views

Files are being created in folder before fstab mount point is complete

This is a new problem that started after an apt-get upgrade today. OS: Ubuntu 14.04 The LXD container hypervisor puts everything in /var/lib/lxd, but my / partition is a little tight so I bind the ...
1
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1answer
27 views

How to configure RAID 1 from Recovery Mode?

I have a server is composed from two HDD 1500 GB SATA (/dev/sda and /dev/sdb), one of this have failed and server is in recovery mode. I want to fix it, first I made a backup of the important ...
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2answers
198 views

Why cannot I ping 192.168.10.1, the default gateway, from an Ubuntu Linux 15.10 computer but I can do so from Windows 7?

I cannot ping 192.168.10.1, the default gateway, from the Ubuntu Linux 15.10 computer, 192.168.10.22. But I can ping 192.168.10.1, the default gateway, from the Windows 7 computer, 192.168.10.15. ...
3
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1answer
94 views

Why is my ISP DNS still in resolv.conf after a VPN connection and how can this be fixed?

Ubuntu 15.10 and dns=dnsmasq is commented out in /etc/NetworkManager/NetworkManager.conf Before I connect to a VPN /etc/resolv.conf contains nameserver 2xx.xx.xx.xx <-- ISP DNS 1 nameserver ...
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1answer
27 views

USB only detected when connected to internet

For some reason, my laptop does not detect USBs at all unless I am connected to the internet. (I also am not very good at using Ubuntu, so I have no idea what could cause the problem.) Note: I have ...
2
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1answer
21 views

Make sure package can not be deleted

I have some PCs running various types of debian testing to have the latest version of a number of packages. Usually this works great for my usage, but occasionally, an apt-get dist-upgrade wants to ...
0
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1answer
48 views

how do I make sda1 or sdb1 bigger

I'm working with Google Cloud services. After I've cloned a VM, I type lsblk after ssh'ing into it and can see that the partition sda1 is only 10 GB, which is only 10% of what I paid for. I am not a ...
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1answer
73 views

OBS crashes when I try to windows capture

I am currently running on Elementary OS Freya (based on Ubuntu 14.04) Whenever I try to add window capture, OBS crashes. :~$ optirun obs Attempted path: share/obs/obs-studio/locale/en-US.ini ...
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1answer
41 views

Locating PHP extension folder using bash

I'm trying to build a bash script to install the Source Guardian PHP extension however the destination directory is different on every subsequent release of Ubuntu. Installing PHP5 on Ubuntu 14.04 ...
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0answers
58 views

Systemd: Running a script before msyql stops on shutdown

On my Ubuntu 14 vagrant box I use this upstart script to run automysqlbackup on every vagrant halt: description "run automysqlbackup" start on stopping mysql task exec automysqlbackup So ...
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0answers
85 views

How to install and boot 32-bit Ubuntu on 64-bit UEFI device with no legacy boot option

Is there any way to install 64-bit UEFI Grub and use it to boot into a 32-bit Ubuntu install? How should the installation process take place? Switching to Legacy BIOS mode is not an option.
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0answers
45 views

Help getting mtrack to work on Macbook Pro Retina running Ubuntu 14.04

Total newbie here. Just installed Ubuntu 14.04 on my Macbook Pro Retina from the great tutorial over at MakeUseOf, and have been enjoying the new OS with the exception of the trackpad performance. To ...
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1answer
40 views

lxpanel launch bar icons are broken

I'm using lxpanel on my Ubuntu 14.04 laptop and facing this issue. Trouble is that the launchbar on the panel isn't displaying icons for some apps (or rather, the icons being displayed are generic ...
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1answer
22 views

How to change from dual-boot to only ubuntu

I have both Windows and Ubuntu 14.04 on my computer, and I'm having some trouble. The Windows partition doesn't actually work at all, and the Ubuntu partition is getting buggy. I'm f.ex. having ...
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0answers
16 views

Bash fails to run executable with No such file or directory [duplicate]

I have an executable copied to an Ubuntu 14.04 AWS instance, and I: chmod +x MyExe.bin ./MyExe.bin And I get: -bash: ./MyExe.bin: No such file or directory This is strange because: The file is ...
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0answers
25 views

How can I repair my Ubuntu installation?

I was in the process of switching from Ubuntu to FreeBSD. I made some changes to my bios: Supporting legacy menu options. When I restarted my computer I got a CMI saying, error: no such partition. ...
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42 views

Is there a (256) character limit on linux/ubuntu user passwords when using sudo?

[I'm no expert in Linux.] When creating a user that I would rarely use the password on, I used an extremely long password (500 characters). Everything seemed fine, until I used sudo for the user and ...