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 would I run Django and LAMP on different subdomains, but on the same Apache server?

I am currently working on a development project where I need to run four different PHP programs (both with MySQL backends) and one Django project. Current Plan: XenForo (forums.domain.com) [PHP ...
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5answers
445 views

What is a symbolic link made from? Understanding the structure of symlinks

I use Ubuntu 15.10 and I'm very new in Linux. After reading in Wikipedia what is a symbolic link in general, and after executing a symlink creation command in the Ubuntu Unix-bash terminal, I ought to ...
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1answer
21 views

Media change while installing apache2

I've got a fresh copy of Ubuntu Server 15.04 and installed it via "Easy Install" in VMWare WorkStation 12. After it installed,i've logged in to my account and tried to install apache2 with this ...
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1answer
38 views

Installing qTox from repository without tee -q0

I wanted to install Tox ( http://tox.chat ) on my Xubuntu 16.04. Main site suggest adding repository this way: echo "deb https://pkg.tox.chat/debian nightly $(lsb_release -cs)" | sudo tee ...
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1answer
45 views

Ubuntu & Plesk - How to exclude a sub-url from password protection?

I have website which is password protected where runs a php app on it. Now I have to unprotect a sub-url of that website but without disablng the protection of the main site which is configured ...
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0answers
23 views

grep, failing to find an existing file with correct path given and checked [duplicate]

I need help with grep. Below is what I've written and the If function is working, but the grep part is saying grep: ~/tmp/file.txt: No such file or directory however if I copy and paste the pathway on ...
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0answers
14 views

Ubuntu fails to boot after hibernation

I had installed Ubuntu 15.10 in a separate partition on my MBA(MacBook Air 2015 model). I had set it to hibernate on lid-close. It was working all fine, until today it was not able to come back from ...
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2answers
125 views

Mount error when automounting a LUKS-encrypted USB flashdrive

UPDATE 1: userone@desktop:~$ sudo umount "/media/userone/New Volume" umount: /media/userone/New Volume: mountpoint not found userone@desktop:~$ sudo cryptsetup luksClose ...
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0answers
9 views

Gray screen and cursor showing after login on Ubuntu GNOME 14.04 and /boot/efi/ empty

So before I talk about my current problem I'll give a bit of backstory. In trying to fix a problem with my boot (fixing duplicated boot entries by moving two files in grub), I ended up breaking my ...
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1answer
22 views

Removing xfce icons and themes

I was wondering if it is safe to delete Xfce themes and/or icon themes that I don't use to save disk space. Additionally, is there a apt or other package manager command to do this? Also, just in case ...
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0answers
14 views

Systemd and Interactive Service

I want to run a server application in background which sometimes requires user input as it has a configuration interface which is only accessible through stdin and stdout. Can I attach to ...
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0answers
122 views

prefork doesn't appear to be listening to MaxClients in config file

Apologies in advance if this is a stupid question, I'm new to all of this! I have prefork installed on a ubuntu server which I confirmed by running aptitude search apache2-mpm- Which gave me p ...
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0answers
21 views

Is it possible to install deepin onto the same cooldisk (siliconpower 16GB USB3)?

I have made my flash drive bootable using deepin-boot-maker and I have Ubuntu on my computer now. Is it possible to install deepin onto my flash drive from it? I mean: create a partition for ...
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0answers
20 views

Can't connect to NoMachine NX Server. Using Remmina

My Setup Client Ubuntu OS Remmina Remote Desktop Client + remmina-plugin-nx Server Arch Bang OS NoMachine for Linux - x86_64 Chose fedora system for install My Userlist ...
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0answers
7 views

Regarding telosB changing node ID using Ubuntu

Am working on telosB for glossy protocol analysis. When i tried flashing the program, there was some issues with the node ID. acn any one help me regarding how to set this node id... Thanks
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4answers
10k views

Permission denied (publickey,gssapi-keyex,gssapi-with-mic)

Ok, so I have tried this quite a few times and I'm sure this is very trivial but: I am trying to SSH via command line on Ubuntu into my VM (Centos6) with an RSA key-pair I created using key-gen. I ...
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0answers
50 views

How do we do programmatically set LD_LIBRARY_PATH for an C# executable? [closed]

How do we do programmatically set LD_LIBRARY_PATH for this scenario? mono-service ./AudioRecorder.exe Where we are running on Ubuntu Linux 14.06 and AudioRecorder.exe is a C# .NET executable. ...
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3answers
16k views

How can I get Apache working (complains about logfiles) on Ubuntu after a distribution upgrade?

I upgraded from Raring to Saucy, and it says it can't open listening sockets: root@ip-10-250-42-219:/etc/apache2/sites-enabled# apache2ctl restart [Tue Oct 22 13:34:05.187996 2013] [core:warn] [pid ...
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3answers
1k views

Ubunutu software-centre is not working, showing black screen

I am trying to open ubuntu software-center but it get paused and after that shows complete black and nothing is happening. Same thing has happened when I try to run from command line. This is the ...
2
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3answers
483 views

Ubuntu 14.04.1, 14.10 base distros take 30min+ to get to splash screen

Update: I've found a temporary workaround, but I would still like to find a more permanent solution. Workaround: I startout the boot process with the laptops battery removed. If I do this it boots ...
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2answers
44 views

Apache and symbolic link in /var/www/html

I'm trying to create a symbolic link to /home/user/www from /var/www/html so I can access the directory in my home folder from the URL: http://localhost/www/ I did: ln -s /home/user/www /var/www/html ...
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2answers
4k views

Apache ownership and permissions for wordpress

I'm new to running a VPS, but I managed to get the whole system setup and secured without any issues :) My question concerns Apache and the different ways it can operate. For this particular machine ...
0
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1answer
72 views

Dell and L/Ubuntu16.04 drops wifi connection on all devices [closed]

I installed Lubuntu 16.04 and Ubuntu 16.04 on my Dell Inspiron 7720 (Edimax router) and smth strange happens. At first the connection is established and google can be loaded. When trying to update ...
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6answers
33k views

How to find the IP address of a KVM Virtual Machine, that I can SSH into it?

I have follow this guide (Virtualization With KVM On Ubuntu 11.10) to setup my KVM (Virtual Machines Software) on my Ubuntu 11.10 Server. However, I didn't setup my VM's IP address when creating the ...
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2answers
5k views

Cannot access to web server, but can ssh to it

I have a Ubuntu server but there are some weird things I can't understand. I cannot ping to the server via IP address, but I can ssh to it. I can access to apache server inside the server via command ...
0
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1answer
26 views

Why apache2 is rendering only index.html

I want to redirect the apache to a directory in my server to render from the index.html, i am new to ubuntu and apache, please help me that where i have to modify in the apache in ubuntu 14.04 server. ...
0
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1answer
33 views

Discrepancy between Ubuntu 16.10 System Monitor % CPU and ps pcpu, % CPU utilization with respect to the individual Firefox browser process

What is the reason for the following discrepancy between Ubuntu Linux 16.10 System Monitor % CPU utilization and ps pcpu, % CPU utilization with respect to the individual Firefox browser process? For ...
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3answers
5k views

A Web ssh/telnet client

I'm in kind of a tight spot right now. I wanted to know if someone has seen a HTML, or PHP web ssh client as both my company and school block everything besides port 80. I'm a control freak when it ...
0
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1answer
1k views

How to resolve broken packages when upgrading: from Ubuntu 13.10 to 14.04

I am having an issues upgrading to 14.04 (Trusty Tahr) from 13.10 (Saucy Salamander), where I get a message Could not calculate the upgrade, and I believe it is due to my unofficial software packages. ...
3
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1answer
1k views

xorg.conf XkbOption ignored for terminate:ctrl_alt_bksp to restart X

I want Ctrl+Alt+Bksp to restart X, so I created an xorg.conf rule: /usr/share/X11/xorg.conf.d/53-zap.conf: Section "ServerFlags" Option "DontZap" "false" EndSection Section "InputClass" ...
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2answers
1k views

how to solve the error in cinder on openstack havana?

I am install openstack controller node for one machtion, and Another metchion running nova-compute only. so I am running controller node cinder will got error. I clearly meantion it which service ...
3
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1answer
25 views

Unable to change username (“user <olduser> is currently used by process <number>”)

I already read this, but it hasn't helped. Not having logged in to the 'olduser', I type sudo usermod -l 'newuser' 'olduser' and it yields the error message from the title of my question. What can I ...
0
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0answers
36 views

How do we programatically tell if our bash script was succesful in starting or stopping mono-service -l:${LOCK_FILE} ./${PROGRAM_NAME}.exe?

I am running Ubuntu Linux 16.10 on an Ubuntu ThinkStation desktop. I used a bash script just now to restart and stop mono-service on our second Ubuntu Linux 16.04 desktop computer in the following ...
4
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2answers
8k views

Invalid signatures when running apt-get update

I'm new to linux and am trying to run an update, I get a lot of "Hit"'s and "Ign"'s but in the end I get these errors, does anybody know what they mean and how I can fix them? W: GPG error: ...
1
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1answer
313 views

Themes app not showing preview for installed GTK themes (Window borders and Controls) in Cinnamon

I have installed Cinnamon in Ubuntu using a ppa. The problem I have is that newly installed GTK themes won't show previews in Themes application. Here are the screenshots. .As you can see the Window ...
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2answers
45 views

IP tables for home use

I've been trying to set up rules for a desktop I have in my home network and even though at first this configuration worked, I changed something somewhere and now it won't pass any kind of connection. ...
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1answer
2k views

Can't get grub to boot windows 7 partition. “error: invalid EFI file path”

I have an "HP pavilion 7008tx dv7" laptop. It came bundled with Windows 7 and has two 1TB HHD and an 32G SSD. Here is the output form "sudo parted -l": Model: ATA TOSHIBA MQ01ABD1 (scsi) Disk ...
1
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1answer
135 views

Make a deb package that installs data under /var/www/data

I recently set up a PPA on Launchpad for distributing my web application. Since it's a server-app, I need to put my data into /var/www/html which apparently is not wanted by Lintian ...
1
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3answers
7k views

How to repair Ubuntu after upgrade? (from recovery mode)

I have gone through countless threads on the following error and none have helped. Your screen, graphics card, and input device settings could not be detected correctly. You will need to configure ...
0
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1answer
135 views

Why won't MOTD display output from a Python script it calls outside of /etc/update-motd.d/ unless it's in this directory?

The Situation We're running a headless Ubuntu 14.10 Server to fulfill various needs and tests. I was experimenting with changing the MOTD for SSH sessions via /etc/update-motd.d/ so as to display ...
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0answers
36 views

Ubuntu 16.04 with read-only filesystem and writable layer

(This is a cross post from askubuntu, as I think here are more people to know how to get this working) I want to set up Ubuntu 16.04 like a live CD. This worked great in Ubuntu 12.04 but with 16.04 ...
0
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1answer
71 views

How to regain access to the lost user , linux3 , of two side by side Ubuntu 16.04 instances?

Three days ago, I tried installing the second of two Ubuntu Linux 16.04 versions side by side on the same Lenovo Thinkstation desktop using the procedure described in this URL, ...
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2answers
39 views

No space left on device- on Amazon EC2 instance Ubuntu

I just expanded my storage space on Amazon EC2, after I ran out of volume. However, even after doing so, I receive an error message as follows: ubuntu@ip-172-31-30-27:~/walt/bin$ LC_ALL=C sort -k ...
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1answer
130 views

Cannot run 32-bit executable on 64-bit system with multi-arch support [closed]

I compiled a 32-bit executable for a Linux machine. It runs on most Linux distros without trouble. However, on Ubuntu 16.04 LTS, I get the No such file or directory error when trying to execute it. ...
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2answers
1k views

Linux Ubuntu / Mint Live CD user-home customization

I'm trying to customize Linux Mint Live CD with these instruction (uck doesn't work for me). What I want is to have more icons at its Live CD user (/home/mint/Desktop) but I can't find /home/mint on ...
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0answers
31 views

After Ubuntu update from 15 to 16.04, error in keyboard-configuration package

So I just started the automatic upgrade of my Ubuntu distribution this morning, from 15.xx to the new 16.04, everything went smoothly except for an error I got at the end: something prevented the full ...
1
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1answer
213 views

How to set the monitor brightness gracefully at boot time?

I've been using a loop that contains xrandr --output VGA1 --brightness 0.3 in a bash script which will automatically execute right after logging in by gnome-session-properties (a.k.a. Startup ...
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1answer
3k views

How to troubleshoot and fix Wifi driver on Wandboard DUAL?

Environment Wandboard DUAL C1 Ubuntu Trusty using these instruction Issue I was able to install Ubuntu Trusty and I am failing to get the Wifi driver to work. root@ubuntu-armhf:~# uname -a Linux ...
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0answers
44 views

gvfs and permissions on a remote external usb drive

I have transmission and deluge (trying to see if it's a problem with the app) and I'm having the same problem with both of them. When torrenting. I get an error " Operation not supported ...
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0answers
19 views

Change Postfix email recipient on Ubuntu 15.10

I installed Postfix on my Ubuntu machine and i'm using Gmail's SMTP to actually deliver the emails using this tutorial. This is the email headers: Reporting-MTA: dns; crmpicco-desktop ...