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.

learn more… | top users | synonyms (1)

0
votes
0answers
10 views

How to start multiple mod-mono-server4 Linux process domains at reboot time?

I would like to know how to serve multiple ASP.NET applications on multiple mod-mono-server4 Linux process domains. I am running Ubuntu 16.04 on a Lenovo ThinkStation desktop. Here is how I plan to ...
0
votes
0answers
8 views

Fatal error starting apache2 with mod_sssl

I followed the instructions on this link to INSTALL SSL ON Ubuntu 14.04. After completing everything I get the following in the error log: [Fri Jun 24 19:10:26.262361 2016] [mpm_prefork:notice] [pid ...
0
votes
2answers
50 views

How to start up k=10 Apache2 server processes upon Ubuntu 16.04 alpha release reboot?

I would like to know how to start up k=10 Apache2 server processes upon Ubuntu 16.04 alpha release reboot. Yesterday, I read this URL, [https://rudd-o.com/linux-and-free-software/tuning-an-apache-...
0
votes
0answers
19 views

Why is Qt not installed?

I have followed installation steps from https://wiki.qt.io/Install_Qt_5_on_Ubuntu When I try qmake -v qmake: could not exec '/usr/lib/x86_64-linux-gnu/qt4/bin/qmake': No such file or directory ...
0
votes
0answers
15 views

Installation of openfire on UBUNTU in silent mode?

I am trying to install openfire 4.0.2 in silent mode. I am running the installation in Ubuntu 14.04. I have configured the database and configurations(openfire.xml) in respective path. When I am ...
1
vote
0answers
14 views

Login loop when trying Awesome with Gnome

I am trying to use the Awesome window manager with Gnome 3.16 in Ubuntu 16.04. Doing this is documented in several places: https://scaron.info/blog/awesome-with-gnome-on-ubuntu-14.04.html, https://...
0
votes
1answer
22 views

Using File manager with Second Hard Drive

I am going to install Ubuntu 16.04 on a new hard drive and install my current HD as a second drive. (It will stay there until I can copy over my /home directory to the new drive.) My questions is, if ...
0
votes
0answers
26 views

Trouble Joining an Active Directory Domain

I'm trying to join an Ubuntu 14.04 server to a Windows 2003 R2 domain. My admin says that from the controller side, it is part of the domain. But SSSD can't seem to start and DNS update fails. I've ...
0
votes
1answer
2k views

update-rc.d squid3 init.d init weirdness

sudo service squid3 status works, implying squid is in upstart. However a listing of services using sudo service --status-all does not show squid. Neither does sudo update-rc.d squid3 defaults ...
0
votes
0answers
29 views

How to forward every packets to another IP? [on hold]

I am doing an experiment for my master thesis. I want to run a function (e.g. multiply two 10-digit) when a specific packet is received (e.g. a packet with destination TCP port 6666). How can I do it? ...
-2
votes
1answer
227 views

E: sub-process /usr/bin/dpkg returned an error code (1) while updating php

I tried to update php to php5 and getting below errors. root@Ansible-VirtualBox:~# apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done ...
1
vote
1answer
148 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 ...
1
vote
2answers
57 views

Using Grep Command Without Specifying a Certain Directory [closed]

Can you use the grep command without specifying a directory path afterwards? Example: $ sudo grep "filename" / I have also tried this: sudo find / -type f grep -l "filename" Still no luck. ...
0
votes
1answer
2k views

apache2.service Failed Because the Control Process Exited with Error Code

I am using Ubuntu 15 64-bit: $ uname -a Linux {hostname} 4.2.0-16-generic And I have installed apache2: $ sudo apt-get install -y apache2 I have a mod_xxx.so, which I have placed into: /usr/lib/...
2
votes
2answers
2k views

How to extract images from video file?

I mean, how to generate images files from a video like screenshots.
0
votes
2answers
839 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. ...
3
votes
2answers
94 views

Installing Skype in Ubuntu

I'm new to Linux. I have Ubuntu 16.04 LTS installed. I'm trying to install Skype. I downloaded the package: skype-ubuntu-precise_4.3.0.37-1_i386 When I open the package, I'm taken to a window that ...
1
vote
2answers
2k views

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 ...
0
votes
0answers
50 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 ...
-7
votes
0answers
39 views

How to get specific information out of /etc/passwd and display it into a file? [on hold]

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: ...
0
votes
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 {...
0
votes
0answers
31 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 ...
0
votes
0answers
17 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 ...
1
vote
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 ...
4
votes
1answer
723 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 ...
0
votes
0answers
13 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 ...
3
votes
0answers
23 views

SSH with chroot and only working “sftp”, “rsync” (both)?

I have two users and one shared folder in my Ubuntu server: User writer, which has write access to /var/shared. It's an application regularly making file changes in this folder from remote, with SSH ...
0
votes
1answer
879 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....
0
votes
1answer
32 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.
0
votes
1answer
18 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 ...
0
votes
2answers
436 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 ...
1
vote
2answers
53 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. ...
3
votes
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 ...
1
vote
2answers
346 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 ...
2
votes
2answers
42 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 ...
0
votes
1answer
74 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. ...
21
votes
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
votes
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 ...
2
votes
0answers
17 views

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 ...
3
votes
1answer
800 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 ...
2
votes
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 ...
1
vote
1answer
52 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 ...
1
vote
2answers
575 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)...
2
votes
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 ...
3
votes
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 ...
0
votes
0answers
13 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 ...
0
votes
0answers
65 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 ...
7
votes
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 ...
1
vote
1answer
36 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 ...
1
vote
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 ...