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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VirtualHost with mod rewrite pointing at tomcat application

I am setting up a server running on Ubuntu 14.04. I have apache and tomcat installed with the rewrite module for apache and mod_jk enabled. I have mod_jk properly configured so apache is forwarding ...
1
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1answer
90 views

How to restart my java program automatically if it gets killed?

I am running my runnable jar in linux machine (machineA) as shown below. In the runnable Jar, I have a java program which sends email to me every 15 mniutes. ...
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1answer
74 views

Not able to connect to my Ubuntu SSH Server even after port forwarding on router

I am using a Ubuntu Laptop on a WiFi router. I have installed SSH server on it so that I can access it from my office network. I have forwarded port 7000 from my router settings. Now, when I try to ...
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3answers
81 views

Unknown cause for redirect on 80 port

I have an Ubuntu 14.04 server with Apache 2.4.7 running there, hosting one site on 80 port. Today I discovered that every request to 80 port redirects to another website with response: HTTP/1.1 301 ...
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0answers
35 views

Variations in Ubuntu 12.04 /usr/bin/time statistics

I have a command line tool which I run on Ubuntu 12.04.5 LTS. I need to calculate the cpu time for this program. I have been checking /usr/bin/time function. command: /usr/bin/time -v -a -o ...
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2answers
74 views

Installing Ubuntu/Debian packages on Arch [duplicate]

I am considering switching from Ubuntu Linux to Arch Linux. I have a long list of packages that I've installed using apt-get that I would like to install right after I install Arch itself. Is there ...
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0answers
102 views

Which packages should I install to make Fedora 21 connect to internet by Android Phone?

In the past I used Ubuntu 14.04 and when I want to connect to internet by my Android phone, I connect it directly using USB cable without installing drivers or some packages like using the Huawei ...
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1answer
98 views

How to get SFTP on Ubuntu working again? Should I try to fix it or reinstall?

Update: Added output from two more logs, and am now only tailing the last twenty lines...so you can see the relevant lines. After six months of working perfectly, SFTP on my Ubuntu machine has ...
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0answers
116 views

Vino server not responding(refreshing) to remote client in Ubuntu 14.10

I have 2 Vino servers installed on 2 different machines having Ubuntu 14.10 with almost same configuration. The thing is in one of the machines, the Desktop Sharing of server at 5900 works fine and we ...
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2answers
35 views

Understanding network problem (syslog)

I am running a lubuntu 14.04 server and its always worked well, except for the last couple of days it keeps dropping off the LAN. I am using a couple of powerlink adapters to connect it up as WiFi was ...
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0answers
29 views

Mounting docker volumes to conatiners

I have seen that once i have ran my container then its not possible to attach any volume to it. I was thinking of creating a container which has suppose 2 volumes mounted from host Container A -v ...
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1answer
135 views

Running X without root

I have a kiosk-style host running Ubuntu Server 14.04. I'm trying to set it up to play some videos, TV-like. Sometimes it needs to play Youtube playlists and other web-based video streaming services ...
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2answers
40 views

Fetching data from server by FTP command

"Fetching data from server by FTP command" is not a problem .But if I like to fetch the today's file from the server, whose name is like (BACKUP20141210) and if it presents in a folder with previous ...
1
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1answer
131 views

Docker container not able to ping host

I am following this tutorial https://docs.docker.com/articles/networking/#between-containers I have used following commands $ sudo brctl addbr bridge0 $ sudo ip addr add 192.168.0.160/24 dev ...
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1answer
30 views

Problem connecting with Beagleboard through serial?

I'm trying to connect to a BeagleBoard on Ubuntu using a Serial-to-USB adapter. It is currently being recognized as ttyUSB0 on our system. When I run "screen /dev/ttyUSB0 115200" the output just says ...
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0answers
100 views

FTDI USB Serial Driver Buffer Sizes for Optimizing XBee Radio Throughput

I am attempting to optimize Digi XBee Series 2 Radio throughput. I have 2 XBee radios connected to my Ubuntu machine through USB ports with 2 USB->Serial FTDI cables that show up as /dev/ttyUSB0 and ...
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1answer
43 views

How can I mount a subfolder of a shared folder?

I'm using this command to mount a shared folder inside my VM: sudo mount -t vboxsf vm_shared ~/shared/ Is it possible to mount a subfolder inside vm_shared to ~/shared/ ?
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0answers
17 views

Laptop Internet-synced Time Jumps Ahead by 44 Hours After Closing Lid

I haven't been able to isolate a cause for this, but sometimes when I close the lid on my laptop, the system time will jump forward, usually 44 hours to be exact. It will still be in sync with the ...
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0answers
57 views

Why isn't my etc/cron.d file executing?

*/5 * * * * root ruby /opt/redmine/extra/svn/reposman.rb --redmine-host http://tracker.intranet.****.com.ar --scm Mercurial --svn-dir /opt/repos/hg --command "hg init" --owner www-data --url ...
0
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1answer
38 views

How to autoremove with apt?

After uninstalling a package I used to do apt-get autoremove to remove other unused dependencies. I understand that apt (rather than apt-get) is the modern way to manage packages on the command-line ...
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2answers
37 views

last -t in Linux

I'm a little bit surprised on Ubuntu and Cent OS, the last -t actually behaves as showing logins up till the time specified, as opposed to as of the time specified as stated in its man page. Here is ...
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1answer
50 views

Change the kernel in downloaded Ubuntu Image [closed]

I'm adding multiple new system calls to kernel. I want to test my custom kernel by making an bootable ISO out of it trying to boot on another machine. As a part of making this bootable ISO, I got ...
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1answer
14 views

Why isn't my apache authentication working?

I am trying to set up apache2 authentication for a given website which can be found locally on my webserver. When I try to open up the website it states Internal Server Error 500. Then I put the ...
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0answers
35 views

USB connected devices info

In my project, I need a list with all connected usb drives and some data about(name, format, size, label, if it is mounted or not, where is mounted) All this data is parsed by a php script then stored ...
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2answers
78 views

Can't boot Linux Mint nor Ubuntu

When I try to install Linux Ubuntu or Linux Mint on my Toshiba Qosmio X500-10V and I pass the install menu this appears: After Mint countdown: After pressing install on Ubuntu: And after that I ...
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0answers
39 views

XBMC crashing while playing SOME but NOT ALL videos

I am using Frodo on Ubuntu 14.04. XBMC is crashing when playing some but not all videos - most videos work. My hardware specs (old computer) 00:00.0 Host bridge: Intel Corporation Mobile ...
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0answers
23 views

Packaging Windows Application with Wine in deb and rpm format

My Question is can I package a Windows application with WINE in .deb and .rpm file ? Just like TeamViewer and Picasa for Linux. I don't have the source code of the application available with me, so ...
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1answer
30 views

How does sudo -E work here?

I executed the following command to add a ppa repository in Ubuntu: sudo add-apt-repository ppa:ppaname/ppa This command returned an error that the ppa name format is not correct. Then I looked here ...
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0answers
21 views

Failed to receive the Open Clip Art Library RSS feed

I tried import drawings from OpenClipArt in my Ubuntu using Inkscape, but appear this problem below: Failed to receive the Open Clip Art Library RSS feed. Verify if the server name is correct in ...
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0answers
35 views

Keep my VNC-session alive

I have installed VNC and xrdp on my computer, so I can access it everywhere. I have added a new user, vnc, which I use when I connect to my computer. When I connect via VNC to my computer, with my ...
2
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4answers
123 views

Two IPs on one NIC ( network card )

I have a dedicated server with one network card in it. I however got two IP adresses. When I use the simple command sudo ip addr add 188.40.90.88 dev eth0 it fails to see it as a seperate IP. I've ...
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0answers
100 views

Virtualbox guest responding really slow over SSH, VBoxHeadLess stuck in 99.9% system time

I've been using Vagrant/virtualbox on a relatively new laptop with decent specs (16GB memory, Intel i7 4710HQ cpu, dual m-sata SSD). So far, with every guest I run, I encounter really high latency, ...
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1answer
34 views

upstart enviromental variable from command

I am trying to make reverse ssh tunnels to my clients using upstart. I have many clients and they obviously come on and off line at times. This is what I have now but it wont work because the env ...
0
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1answer
22 views

Why won't my BIND / Apache configuration work?

I am trying to set up a BIND configuration with an Apache webserver. What I am trying to achieve is to by using the URL www.exampler.net access the content that can be found on my Apache webserver's ...
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0answers
45 views

Using DKMS, to automatically patch and install kernel on update

I have a system that needs patching a file in kernel to work properly. The system is running Ubuntu 14.04. The patch patches a file in drivers/hwmon. So after every kernel update I need to download ...
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0answers
19 views

How to install OS .tig file in a Live USB using Ubuntu?

I have an Windows 7.tig extension file, and I want to install in a USB, for I create an USB Live using Ubuntu. How can I do this? Is necessary to convert before? Thanks!
0
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1answer
67 views

Why does apt-get in Ubuntu still want to install Python 2.7?

New Linux VPS, installing Python and a few other tools I like to use. Did apt-get update and apt-get upgrade, and I noticed when I did apt-get install python it defaulted to version 2.7. (I can, ...
2
votes
2answers
104 views

parse one field from an JSON array into bash array

I have a JSON output that contains a list of objects stored in a variable. (I may not be phrasing that right) [ { "item1": "value1", "item2": "value2", "sub items": [ { ...
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0answers
22 views

Communication between windows laptop and Ubuntu Laptop

I am trying to create a simple LAN connection between one laptop running windows 8.1 and another running Ubuntu 14.04. The purpose is to have a data stream being fed directly from windows which is ...
1
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1answer
60 views

How, on ubuntu, to run as a service / run under supervision

I have been given 3 clusters. One is of Kafka, one is of storm and one is of ZooKeeper. I need to make it so that the services start and when stopped, start up again as described in the Zookeeper ...
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0answers
25 views

GPU Memory Consumption when acting as graphics driver

I wonder what factors contribute to memory consumption of a GPU card that is used solely for graphics (say, with Ubuntu linux desktop). I assume the connected displays combined resolution, times pixel ...
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0answers
17 views

Trouble with installing libqca2-dev on ubuntu 12.04

I have installed Qt 4.8.4 from source at usr/local/Trolltec and now that I am trying to install libqca2-dev on Ubuntu 12.04, the apt-get tool fails with a dependency error stating that libqt4-dev is ...
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0answers
22 views

Upgrading sources.list.d

We have a reprepro-server which hosts some packages we have developed for our Ubuntu-systems. It contains packages for precies and trusty. Our systems have the reprepro-server configured in ...
1
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1answer
114 views

Installing ruby 2.1 on Ubuntu 12.04 using ruby-install application

I've been through a couple of tutorials on how to install ruby 2.1.* My system currently has ruby 1.9.3 and I want the latest one. I'm following the following tutorial on how to install it from here: ...
1
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1answer
83 views

grep stopped working [closed]

This is a weird question. I was using the normal grep -w command to search through millions of lines to extract specific lines that contained the word that I was interested in. grep -w Search_word ...
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0answers
43 views

open Mysql connection for long time to execute queries in block

I am writing one script which execute bunch of queries in block. here block means version number, each version have different different queries. I write two shell script. 1 version.sh version.sh ...
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0answers
40 views

how to solve networking starting problem?

I am using Ubuntu OS. I need to find my IP address to configure the interfaces in /etc/network/interfaces. Yet my networking service cannot restart. I get this error message: $ service networking ...
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1answer
52 views

Controlling ftp access with vsftpd

I'll preface this with the fact that I'm a bit of a newb with linux and especially with vsftpd. However, I had it set up such that I was able to upload files to a VPS I set up. The only problem is ...
0
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1answer
52 views

How to Install Microsoft-Windows OS if Already have Ubuntu 12.04 Installed

I have purchased a dell labtop with Ubuntu Linux 12.04 installed in it, and I want to install Microsoft-Windows Operating System on Ubuntu and have dual booting. I hope to install the ...
4
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1answer
97 views

How to install UNIX In a virtual machine?

I got a laptop running Ubuntu 14.04 and I want to install some abandonware in virtual machines with VirtualBox and I chose to begin with AT&T UNIX 4 Version 2.1. I allocated for this machine 512 ...