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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My Ubuntu 14.04 LTS doesn't have sound

I installed Ubuntu 14.04 on VMware workstation version 10.0.0 on my Windows 7 machine. After installing I figured out that it doesn't have any sound so I checked the sound settings. All items seem to ...
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51 views

Ubuntu not allowing traffic to ports 1 - 1024

I seem to have encountered a weird issue whereby my ubuntu box is not allowing incoming traffic to the first 1024 ports or so, for both TCP and UDP. My iptables policy is set to ACCEPT for all 3 ...
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How to get specific information out of /etc/passwd and display it into a file? [closed]

Alright so I posted a previous POST which I figured out half my problem which I had was to get information like the user, hom dirs and bins to show and display out of /etc/passwd, this was done by: ...
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1answer
39 views

Deleting a file after X days does not work [duplicate]

I've tried multiple ways of writing this and I'm executing the script myself so it isn't the crontab that isn't working. These are examples of what I've tried : find /home/backups -mtime +1 -exec rm {...
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34 views

running iperf over ssh

I'm trying to benchmark the network connection between 2 ubuntu servers on which I don't have root privileges. I did manage to download and start iperf-2.0.9 on both boxes. My problem is I can't ...
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0answers
19 views

Bluetooth automatically connects to a dongle and will not disconnect

I have a bluetooth dongle, acting as a beacon. I connect to it using my computer, which is running Ubuntu 15.10. The issue is that my computer automatically connects to it, and then I can't ...
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1answer
32 views

Substvars Doesn't Work Correctly

Edit: Updated full debian/rules and debian/control file I am working on a web project which need to build two debian packages for different deployment server. The main differences is the limitation ...
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1answer
724 views

What is the xcalib -screen number for the HDMI monitor?

I must use a VGA-to-DVI cable and a HDMI cable to run two monitors. I'm trying to invert the colors on both monitors but I can only invert one of them: $ xcalib -invert -alter -s 0 #works $ xcalib ...
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14 views

hadoop as init.d Process - status_of_proc return process not found

I was trying to use the init.d script to control hadoop service. The start and stop commands work without any issue. However status_of_proc does not find the process and its returning service is not ...
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1answer
885 views

java.lang.UnsatisfiedLinkError: libawt_xawt.so: libXi.so.6: cannot open shared object file: No such file or directory

I am trying to run an executable on remote Linux through Putty (SSH). When I run the executable on remote Linux through Putty I get the following error: Exception in thread "main" java.lang....
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1answer
33 views

Inbound and Outbound ports need to open for NFS in AWS

What are the required ports (Inbound and Outbound) that need to be opened in AWS while configuring NFS? While mounting, I'm getting the timeout error. I'm using Ubuntu 16 as server and client.
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1answer
22 views

virtualbox-5.0 : Depends: libvpx2 (>= 1.4.0) but it is not installable

I'm trying to install Virtualbox 5.0 in my ubuntu machine Linux federico 4.4.0-24-generic #43-Ubuntu SMP Wed Jun 8 19:27:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux When I run apt- install I ...
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2answers
442 views

Ubuntu broken after power failure. How to fix?

I have Ubuntu 11.10. server which suffered from power failure today. Ever since the power went back on the unit works only partially. Some services work OK, some does not start, e.g. apache2ctl ...
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2answers
54 views

Using `sem` to make a script run in parallel

I have the following shell script (one liner), which I wanted to use to identify directories that have the exact same contents. I'm using it, to identify and remove duplicate (child) directories. ...
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1answer
2k views

Apache server 32 binaries vs 64 binaries? what's the difference

For Windows I used to download either 32 bit binaries from ASF site or 64 bit binaries from Apache lounge site (for no particular reason). So - that was the way I new what version I have. I've ...
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2answers
386 views

ubuntu server 16.04: cannot get supervisor to start automatically

I installed supervisor on ubuntu server 16.04. $ sudo apt-get install supervisor $ sudo update-rc.d supervisor defaults After rebooting, supervisor didn't get started automatically. Checked the ...
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2answers
43 views

Ping from subinterface

I have a sub-interface eth0:0 auto eth0:0 iface eth0:0 inet static address 192.168.2.96 netmask 255.255.255.0 gateway 192.168.2.1 and I try ping -I eth0:0 8.8.8.8 and I ...
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1answer
75 views

Puzzle with compilation of default.aspx.cs under Ubuntu 16.04 failing upon http://127.0.0.1/default.aspx

I would like to know why compilation of default.aspx.cs under Ubuntu Linux 16.04 with a code behind pointing to default.aspx.cs fails when I enter http://127.0.0.1/default.aspx at the web browser. ...
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7answers
54k views

Ubuntu12.04: How to disable a daemon process at startup

I normally use service start/stop or initctl start/stop to start or stop a daemon process but now what I am looking for is to disable a daemon process from starting at startup example mysqld. ...
2
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1answer
10k views

minicom showing offline

I am trying to use minicom in Ubuntu. To do this I first connect my USB to DB9 converter, then I type this command on terminal dmesg | grep tty to check if my USB to DB9 converter is connected ...
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0answers
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How to allow traceroute to run as root on ubuntu

I'm trying to programatically call traceroute on Ubuntu but i'm getting blocked when trying to use the -I or -T flags for ICMP/TCP packets. Accroding to this question I can use the terminal command ...
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1answer
811 views

Directories showing up in green(executable) even after removing execute permission for all [duplicate]

I just copied a directory from a USB flash drive. I copied it from an NTFS drive and so all the files had execute permission. I executed chmod -x * to undo the execute permission. Despite that, all ...
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1answer
145 views

Serving webpages with Apache on Ubuntu server

I've set up an old machine running Ubuntu server 13.1. I can access it remotely with webmin and I was able to install apache that way. What I would like to be able to do is to put web pages and be ...
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1answer
53 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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2answers
582 views

403 Forbidden Error when trying to connect to ubuntu repositories

Im running Ubuntu 14.04 and havent run sudo apt-get update for many months. When I try to update local /etc/apt/sources.list apt-get can connect to many repos no problem, but many (maybe 15% of total)...
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1answer
1k 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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1answer
8k views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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16 views

When I download something and use “Show in folder” option, it doesn't work correctly

When I download anything using Google Chrome or Mozilla Firefox and I use the "Show in folder" option (or "Open Containing Folder" in case of Firefox) it does not work correctly, instead, it open the ...
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67 views

Add Multiple VPN External IPs - OpenVPN AS

I'm currently running OpenVPN Access Server on Ubuntu 14.04. I have a VPS with 5 IP's, eth0:1, eth0:2, and etc. I want to know how to add each of these IP's to be used via OpenVPN, so that when a ...
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2answers
7k views

/dev/md127 refuses to stop. No open files

So I'm trying to stop /dev/md127 on my Ubuntu 12.10 box. It was set up as RAID1, but I'm trying to move everything (well, rename) to md0. I read that renaming isn't possible, so I'm trying to remove ...
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1answer
45 views

How do I update Ubuntu when package system is broken?

I have been trying to update Gallium OS (which is based on Ubuntu), however, I keep on getting error messages. Any help would be appreciated. Please see a screenshot of the error message below: I ...
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1answer
389 views

LAMP Server setup for personal development

I am setting up a LAMP server in VirtualBox for personal development. This will be an Ubuntu Server 12.04 install, and I will be using Virtual Hosts for Drupal, Yii, and other small PHP apps. Ideally ...
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2answers
38 views

cat doesn't join my files when I run inside script

I'm doing a restore backups script, and when I try to join files which are splitted, cat prints that error: cat: fullbackup_mrbsNuevo_15_6_2016.tar.gz.*: No such file or directory The line that ...
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1answer
22 views

How to Run `reinstall xkb-data` for Broken Installation in Live USB?

I would like to run the following command for the installation that has broken /usr/share/X11/xkb/symbols/us. Editing the file, restarting, just puts the false parameters there back again and again. ...
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2answers
33 views

Grub menu on reboot after removing another distro partition

I just acquired a macbook air. I dual-booted mac os with Ubuntu. It is my first time multiple-booting on a mac. I triple-booted with another Ubuntu. Ater removing the third distro, I experience some ...
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Wifi authentification window is wrong

I installed Ubuntu on my new MacBook Air. My wifi card detects all the wifi network. However when I try to connect to a specific one, it prompts me with an unexpected window. with this network, I ...
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20 views

NFS doesn't seem to work because of files not being found

I'm using the vagrant box files from this tutorial. When changing the projectname in all those files and fixing 1,2 small erros I used vagrant up to init the box. At some point the bootstrap.sh ...
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12 views

How to modify Ubuntu update-manager in IDE

I have downloaded the source code from update-manager via apt-get source command and now I'd like to edit it. Is there any IDE to import this package source to the IDE? Thanks in advance.
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how to calculate TIME+ and also where i can find SHR?is there any formula for these things

i am implementing my own top command.is there any formula for calculating TIME+? and also how to find shared memory of each process(SHR). i cannot find anything in proc.
2
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1answer
36 views

Upgraded from Ubuntu 14.04 to 15.1 and I end up at a command line at restart. What do I do now? [closed]

[This problem did not go away on its own and it wasn't a typo correction that solved it either. That being said I understand if you delete it b/c of the poor solution explanation. In a nut shell the ...
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2answers
679 views

suphp directory not owned by user

I have an odd problem with suphp. I have logged in as tom and added some php to a directory in my web server. Now I'm getting this error: Directory /home/.../web/public_html is not owned by tom I ...
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1answer
778 views

Starting Resque worker with script doesnt work, starting by hand does

I am trying to figure out why my process doesn't work if started via a script, but works fine if started by hand. Here's the details: script is a resque worker start script. The script location is /...
0
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1answer
51 views

Installing s3fuse on Ubuntu ( bitnami ec2) [closed]

I am installing s3fs-fuse on Ubuntu 14.04 ( Bitnami - EC2). Actually I want to mount S3 bucket. I installed the required dependencies successfully by running following command apt-get install build-...
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3answers
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 non-...
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3answers
22k views

GRUB-EFI installation fails while installing Kali Linux in external hard disk

I was trying to install Kali Linux from a live USB to an 1TB external hard disk. At first I was unable to boot the live USB with my H2O Insyde BIOS. Then I converted my pen drive partition table to ...
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1answer
26 views

On Ubuntu Linux 16.04, what file is the Apache2 AcceptMutex directive currently set in?

On Ubuntu Linux 16.04, what file is the Apache2 AcceptMutex directive currently set in? The reason we need to know this is to create the LockFile necessary to create additional VirtualHosts such as ...
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1answer
94 views

Apache server at new AWS EC2 instance is not reachable

I am not able to access my web server I recently set up on Ubuntu AWS EC2 instance: client:~ user$ curl yyy.yyy.yyy.yyyy curl: (7) Failed to connect to yyy.yyy.yyy.yyyy port 80: Operation timed out ...
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0answers
24 views

VMware Mac OS X 10.11 on Ubuntu Shared Connection Problem

I've just installed Mac OS X El Capitan 10.11 on my Ubuntu host pc and I cannot connect to the Internet, when I go to settings in Mac OS it just displays no ethernet connection is found. How can I ...
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35 views

Problem installing nvidia driver 920M on ubuntu 14.04

I am a Linux beginner. I installed ubuntu 14.04 alongside win10, on my new asus laptop. My system is powered by a geforce 920M. The problem is that after I install the nvidia driver (The system ...
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1answer
1k views

Problems with postfix/dovecot unable to receive mail

Can't receive mail on my server but can send just fine. From what I can tell in the logs, it complains about timing out. I check the connection externally using telnet from my PC, I can connect to ...