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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-7
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1answer
39 views

trying to learn unix stuck on this question [closed]

Write a script which will request a user to type in an integer and then guess its square. The script will then either congratulate the user or inform the user what the correct answer is
0
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0answers
17 views

Remove devstack dependencies Ununtu 14.04 (32 Bit Dell Lattitude 5500)

I installed devstack in my old laptop. After installation when I try to access OpenStack, my laptop became very slow. Then I realized, that laptop had only 2 GB RAM. I ran unstack.sh and delete ...
0
votes
1answer
26 views

How can I share an internal disk via NFS? (What am I doing wrong?)

I have an NFS server (machine A) that mounts a 4TB internal hard drive at /data/Storage, and exports /data to client (Machine B). If I put a regular file in MachineA:/data, you can see it in ...
2
votes
2answers
48 views

Shrinking Raspberry Pi SD .img via Ubuntu Server (cli)

I installed Raspbian to a 16 GB card and expanded the filesystem. When I made a dd backup of the card, the .img file output was ~16 GB. Most of it is unused space in the ext4 partition—I'm only using ...
0
votes
0answers
11 views

How to monitor Java JRE 8 on Zabbix via JMX technology?

How to monitor Java JRE 8 that is running on Tomcat 8 via JMX technology? Server is running Ubuntu 14.04 LTS and the monitoring platform is Zabbix 2.2.
1
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0answers
33 views

Yet another fan control problem

I'm using a 32-bit Linux Mint Rosa 17.3 with MATE DE (for the record, the same issue exists on a 64-bit flavor as well, and I have had this issue with every ubuntu-based distro). It is installed on a ...
1
vote
1answer
115 views

Being Prompted for Password After Already Registered Public Key On server [on hold]

NOTE: This is not a duplicate to the popular question. Why am I still getting a password prompt with ssh with public key authentication? I had an original post but I did not get much answers helping ...
2
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0answers
15 views

Can not seem to get the jp2 delegate to work in ImageMagick on Ubuntu 15.10

As the title says, I have tried to install the library on both 14.04 and 15.10. Every time I type in convert -version the delegates do not contain jp2000. I have installed libopenjpeg-dev and ...
4
votes
1answer
44 views

File permissions on Linux?

I am surprised that /mnt, /media or even /opt are not writable by myself on my own system (Linux-Ubuntu). Should I always use sudo for any action on these paths? Or would it be better to add myself ...
2
votes
1answer
22 views

File permissions while installing a python module

I would like to install sphinx-doc from the sources so I git clone the module then installed it with sudo python setup.py install. Using /usr/local/lib/python2.7/dist-packages/pytz-2016.4-py2.7.egg ...
0
votes
1answer
29 views

ZFS pool disappears when adding (enabling) disks to computer

I am adding disks to computer, not to ZFS pool. More spesifically, I disabled other disks, then installed ZFS and created the pool. Now, when I enable the non-pool disks, the ZFS pool disappears. ...
0
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0answers
10 views

How to add the Platform Type ARM for the latest Monodevelop, version 5.10, running on Ubuntu Linux 16.04?

I would like to add the Platform Type ARM for the latest Monodevelop, version 5.10, running on Ubuntu Linux 16.04 so we can compile for Mono version 4.2.1 C# and do embedded application development. ...
1
vote
1answer
35 views

/bin/bash No such file or directory Connection closed [closed]

I try to connect to a server using ssh (authentification is fine). I got this: /bin/bash: No such file or directory Connection to xxx closed. Before, everything is working fine, Until I have ...
1
vote
0answers
29 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 ...
0
votes
1answer
35 views

Bridge 2 wifi connections

I have set up Ubuntu desktop on my laptop with an internal wifi card and an external USB WiFi dongle. Both WiFi interfaces work. I'd like to make one into an access point, and the other into the ...
1
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0answers
22 views

Unknown bridge gets recreated after reboot on Ubuntu 15.04@VMWare

I am running Ubuntu 15.04 on VMWare. For the last couple of days I have the issue that I have a "magic" network bridge: I never created this bridge and therefore I tried to delete it with the ...
1
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0answers
30 views

clang-tidy install

I have clang installed from packages on both Ubuntu 14.07, Centos 7 and Fedoara 22. I would like to use clang-tidy but can neither find a package nor how to install it without installing clang from ...
0
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0answers
24 views

Unable to use USB sound card with ALSA programming

I am trying to decode LTC data from an audio source coming to my USB sound card. For this I download sample program from this link. As jltcdump.c file use audio card 0 as defualt, so I make USB sound ...
0
votes
1answer
16 views

Ubuntu 15.10 Live CD login appears sporadically after I disconnect and reconnect the Internet carrier cable for the Lenovo Think Station

I would like to find out why the Ubuntu Linux 15.10 Live CD login appears sporadically after I disconnect and reconnect the COMCAST Internet carrier cable at the back of the Lenovo Think Station ...
1
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0answers
13 views

PHP does not use MySQL default sockets

I am having a hard time understanding why PHP cannot connect with localhost as a host. I can connect by doing: mysql -uroot -p And also, through Sequel Pro I can connect with localhost as a host. ...
1
vote
1answer
18 views

Setup a common /opt such that both my Linux Distributions can use it

I have two Linux distributions: Ubuntu-Gnome and Fedora-XFCE, both having almost the same bunch of apps. Most of my apps are installed in the /opt space separately for both the distros. I have used ...
0
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0answers
18 views

Z170-A motherboard HDMI video issue with ubuntu

I purchased Z170-A motherboard PC with on-board HDMI port and i have installed Ubuntu 14.04.4 OS but problem is if i connect Monitor to HDMI port it's not working. but if i put external VGA card it ...
0
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0answers
11 views

Ubuntu as a Yun ntp server: broadcast issues

I have an Ubuntu server to use as an ntp server for Yuns. I am having issues broadcasting with my linksys (BEFW11S4) router to my Yuns. Optimally: I need this to provide ntp service to Yuns ...
0
votes
1answer
26 views

Ubuntu Server 15.10 doesn't recognize internet card

I just installed ubuntu server (the installer connected to the internet with no troubles), and I cannot get it to connect wirelessly to the internet. I've googled to no avail, as there is no ethX ...
1
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0answers
13 views

Why has everything gone very small?

I have installed Lubuntu on my laptop; however, everything displays very small. The resolution is at 1080p, which it has been at since I started using the OS. It just started to load up like this ...
0
votes
2answers
14 views

Ubuntu: Installing programs into specific locations

I have software which is built using a makefile. This makefile also contains (relative) paths to different programs (such as gsoap, postgresql and others) which provide stuff that I need to include. ...
0
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2answers
74 views

Is next LTS versions of Ubuntu based on actual testing version of Debian

From the several sources I've completed this table: | UBUNTU VERSION | UBUNTU CODE NAME | UBUNTU RELEASE DATE | UBUNTU LTS | DEBIAN CODE NAME | DEBIAN VERSION | ...
0
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0answers
15 views

How to connect Ubuntu 14.04 NIS Client to a IRIX NIS Server

I'm trying to connect a new Ubuntu 14.04 Server (64Bit) as NIS Client to an SGI Irix NIS Server. It's a standard installation of Ubuntu, only ssh, nfs and nis (pam and other stuff came along by ...
1
vote
2answers
24 views

Ubuntu 14.04 LTS does not save my preferences

From the last restart of the system, few days ago, I have a problem with setting my preferences on Ubuntu 14.04. More precisely, I have the following issues at the boot of the system: Other ...
-7
votes
1answer
31 views

How To Copy Files From Local Windows Machine To Remote Server [closed]

I want to copy a file from my local machine to a remote server. My local machine is running on Windows 10 and I use PuTTY to connect to the remote server, which is running Ubuntu.
-3
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0answers
29 views

Why am I getting “This Connection is Untrusted” while trying to download LeechBlock?

Firefox 42.0 Ubuntu 14.04.3 I tried to download Leechblock from here: https://addons.mozilla.org/en-US/firefox/addon/leechblock/ But I got the following in return. This Connection is Untrusted ...
0
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0answers
30 views

How to automatically mount a NAS in Ubuntu

I'm trying to set up a network attached storage (NAS) in my house to access from multiple computers. My NAS is actually a hard-drive containing all my music, plugged directly into my router. My goal ...
3
votes
2answers
78 views

Install mdadm without postfix in ubuntu trusty

I want to build a RAID system on top of Ubuntu Trusty. When I do apt-get install mdadm A screen pop up asking me to configure postfix. Because I will run this installation in automation script. Is ...
1
vote
1answer
30 views

How can a daemon user connect through SSH? [closed]

I have launched process named redmine that launched by deamon user – redmine. Some inner redmine (as process) plugin needs SSH connection to outer service and make it from redmine (user), but this ...
-1
votes
0answers
14 views

Ubuntu Linux - PHP Cron doesn't work

I have a Ubuntu webserver that should execute a PHP script to cache a bunch of data every 5 minutes using a Cron job. I configured the Cron using Webmin entering the command: /usr/bin/php -q ...
1
vote
1answer
31 views

Aptitude deleted a buttload of modules when I tried to install Imagemagick, how do I undo this?

Yesterday I tried to install Imagemagick, I used apt-get at first, which returned an error. I was already trying to install ImageMagick for hours, so I got impatient. A post on stackoverflow said that ...
0
votes
1answer
19 views

How do I obtain the dependency fcitx-dbus?

When I run fcitx, I get the following errors. $ (INFO-3262 /build/buildd/fcitx-4.2.8.3/src/lib/fcitx/addon.c:151) Load Addon Config File:fcitx-dbus.conf (INFO-3262 ...
0
votes
1answer
39 views

Unable to install Ubuntu

I'm tying to install a fresh Ubuntu 15.10 distro on my laptop. I boot my pc from the usb with the Ubuntu installer, On the GRUB menu, I select test without install, but when it reachs the screen where ...
4
votes
1answer
81 views

What is using trillions of inodes on my almost empty server? [closed]

I have 18446744069923968593 inodes (which seem really too much) and much more problematic: I have 18446744069414835186 used so the system won't create any other file (even if the disk is almost ...
2
votes
1answer
61 views

Unable to use a self-signed certif. on localhost

I created a self-signed certificate for localhost for testing as follows: openssl genrsa -out key.pem 2048 openssl req -new -key key.pem -out certificate.csr openssl x509 -req -in certificate.csr ...
1
vote
2answers
45 views

How to reinstall configuration file [duplicate]

How do you revert or reinstall a configuration file in Debian/Ubuntu? I accidentally overwrote the file /etc/bluetooth/main.conf. Running dpkg -S /etc/bluetooth/main.conf shows that the package bluez ...
0
votes
2answers
30 views

After installation of Ubuntu (not dual boot), how to find the drives?

I recently clean installed Ubuntu without dual boot, so everything was erased, but now I can't seem to find where my C and D drives are located. Here are the results of some commands that I tried: ...
0
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0answers
10 views

Stop Ubuntu on Macbook from booting into OS X from external drive

I have Ubuntu (Lubuntu) installed on a MacBook which has two external hard drives connected to it. One of the partitions on one of those drives is a bootable backup of an OS X machine. When I reboot ...
1
vote
0answers
51 views

how to limit file manager access based on users on Ajenti

I installed Ajenti-v on my ubuntu server 15.10 and I want to create multiple users with specific access to their home directory. currently, whenever I create a new ajenti user (which is synced with ...
0
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0answers
34 views

LDAP Authentication

I'm currently trying to set up an LDAP server for centralized authentication. I set up phpLDAPadmin and my structure is as follows: dc=example,dc=com cn=admin ou=users cn=system cn=testuser ...
0
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0answers
13 views

Colored horizontal lines when booting from GRUB

I have an annoying problem when I boot to windows from GRUB boot menu, I got always colored lines that disappear in seconds. I also tried to change my linux distro 3 times but I always get the same ...
1
vote
1answer
65 views

Prevent shutdown using shell script run at shutdown

Background: I have a Python script that runs (infinitely) from startup in the background of a Ubuntu server. The process is ended by sending a SIGINT which is handled by the script which finishes all ...
0
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0answers
22 views

Ubuntu trusty format disk slower than RHEL7?

I observed that disk formatting is much slower in Ubuntu than in RHEL7. Does anybody know why that is? EDIT: Forgot to mention, I'm formatting the disk with ext4. Using mke2fs
0
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0answers
14 views

How to allow URL auth with Chromium browser

Chromium options used --allow-running-insecure-content --ignore-certificate-errors --ignore-urlfetcher-cert-requests --disable-gpu --no-sandbox URL auth ...
0
votes
3answers
46 views

How to run an executable file (web app) 24/7 and restart automatically when it breaks down? [closed]

I have an executable file on a server which is a full-fledged standalone web application. When I login to a server via ssh and run the file, the website become visible in the internet. Obviously, ...