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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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 ...
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1answer
32 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 ...
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1answer
54 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 ...
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1answer
91 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 ...
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1answer
92 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 ...
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2answers
50 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 ...
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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: ...
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14 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 ...
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0answers
83 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 ...
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37 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 ...
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15 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 ...
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1answer
88 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 ...
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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
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16 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 ...
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3answers
48 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, ...
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1answer
39 views

Linux Mint OS always freezes when laptop is not charging

I'm using Linux Mint 17.3 OS on my HP Compaq nc6400 laptop. The OS always freezes after a while if I'm using my laptop without charging it but never does so if I'm charging my laptop while using it. ...
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29 views

KVM on Crouton chroot?

I've enabled Vt-x support in BIOS, and have been trying to get KVM on my chroot for a few days now. I lost my chroot last night (got it into an unbootable state) trying and had to build a new one. ...
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1answer
30 views

Upstart job starts the script twice

I am using Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-85-generic x86_64) where I created a simple Upstart job: # content of /etc/init/listener.conf start on runlevel [2345] stop on runlevel [!2345] ...
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2answers
49 views

Add TCP congestion control variant to Linux Ubuntu

I want to test different variants of TCP in Linux Ubuntu. I have Ubuntu 14.04 LTS with Kernel version 3.14. When I check the available congestion control algorithm using the following command sysctl ...
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2answers
35 views

Sed incremental arithmetic

I want to replace a number at the end of a string by incrementing the number by one each time I run a specific sed line. the string looks like this: server-port=25555 I was thinking I could run ...
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1answer
20 views

Unable to mount SD card at crouton startup

I am just starting out running Ubuntu trusty through crouton on my chromebook, and I am attempting at mounting my sd card at startup. I currently have a shell script which mounts the sd card when it ...
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0answers
12 views

Long response time when using chroot

I have a Ubuntu 14.04 LTS Server and yesterday the response time of the server was quite long, meaning when using simple commands like: ls -al it would take up to 20 seconds to respond in a very ...
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19 views

Ubuntu VPS in sleep mode / standby?

I currently have a problem with my VPS (ubuntu 14.04.4). When I access it after hours the first time again via HTTP or SSH it takes a few seconds until it reacts, sometimes it is even too long, so it ...
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2answers
41 views

Should I create should my own user with less privileges on a server (Digit. Ocean)?

I'm trying to deploy a website at Digital Ocean. I have the user root as the default. However, since it's root I believe I should create my own, normal user, shouldn't I? Nonetheless, in the ...
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152 views

Is it possible to run iCloud Drive on Ubuntu?

I'm active Apple user, I have MacBook at home, but Linux PC on the work. One of most annoying thing for me is sync my personal data between home, work and mobile devices (like documents etc). At the ...
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63 views

Bluetooth adapter not found Ubuntu 14.04

I know this has been asked a lot, but I have tried almost every possible answer and it still isn't working. I am currently running Ubuntu 14.04 on my Asus C300 chromebook through crouton, and I can't ...
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3answers
285 views

What is the proper way to create a bootable image of my system?

Wouldn't it be nice if I could just get my system set up right after I install it, with all of the themes and programs and SDKs that I want, and then just save that snapshot? Like a backup, except I'd ...
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0answers
52 views

Ubuntu .desktop file not working but command line launch works

Ubuntu 15.10 running in a VM. I have an application installed in /devel that I am able to run from the command line with the command: /devel/dbvis. This launches the GUI and works fine. I created a ...
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71 views

Ubuntu 14.04 Mouse Touchpad gone bad

I have a problem with my touchpad, but I don't think it's a hardware issue. I've recently upgraded to Ubuntu 14.04 and after a few days of use, the mouse pointer is behaving kind of wierd. What it ...
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2answers
42 views

ClamAV installation Ubuntu

I am trying to install ClamAV in ubuntu as per the instructions in blog.dutchcoders.io/installing-clamav-from-source/ While updating the virus databases using sudo freshclam -v I am getting ...
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17 views

Why the virtual interface is down when I establish a layer-3 SSH VPN using “tun” devices

I would like to establish a layer-3 SSH VPN on Ubuntu 14.04. To create a tun virtual device, I used the command ssh -f -w 0:0 root@41.33.17.26 -p 2010 true, it creates the interface 'tun0' but the ...
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2answers
60 views

I can ping IPs but can't resolve domains

I have Xubuntu 14.04 installed on my server. network-manager is not installed. It seems to have lost its ability to resolve domains, and I'm not sure where to begin diagnosing the issue. ping 8.8.8.8 ...
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55 views

How to troubleshoot and fix vnc connectivity issue with ubuntu 14.04 virtual machine

I have a remote Ubuntu machine, which I decided to use VNC to connect to. I followed the instructions. The Ubuntu machine is a VM with just a root account at the moment, and I think my problem is that ...
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2answers
29 views

Bootloader Grub2 - delete partition where ubuntu resides

I have a dualboot with the following two Os's: Windows10 Kubuntu And the bootloader Grub2 What happends with the bootloader if I delete/formats the partition where Kubuntu is installed? Does it ...
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1answer
51 views

How to install Electrum 2.6.3 bitcoin wallet on Ubuntu / Mint and derivates

Today's question of mine was How do I install Electrum 2.6.3 bitcoin wallet on my Linux Mint, Ubuntu and it should work on other derivates.
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3answers
81 views

Using grep in conditional statement in bash

I'm still very new to scripting in bash, and just trying a few what I thought would be basic things. I want to run DDNS that updates from the my server running Ubuntu 14.04. Borrowing some code from ...
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14 views

Ubuntu starting error

I found this error while rebooting my Ubuntu OS: /etc/profile:line 30:Syntax error near unexpected token 'JAVA' /etc/profile:line 30:'fi JAVA HOME=/usr/lib/jvm/jdk1.7.0' As a result the session ...
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2answers
35 views

Ubuntu - Uninstall preinstalled software

I have an Ubuntu derived Distro and I don't need most of the preinstalled programs. Not everything is listed within the Software Center, for example a Photo-Viewer and a Music Player. Since I'm a ...
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37 views

Ubuntu does not find shared object file; sudo ldconfig -v did not help

I'm on a 32 bit Xubuntu 15.04 installation on which I have to work with a legacy application, which I only have in binary form. That binary requires libstdc++-libc6.2-2.so.3, which I managed to find ...
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2answers
27 views

User Admin - View Permissions when 750 is used for home

apologies if this question is caused by a fundamental misunderstanding. But as main admin of a server: I want to make it so that users cant see each others home folders. (so I chmod 750 the home ...
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22 views

Ubuntu can't connect to my Google

Every time I turn on my Ubuntu machine, I am greeted with the same message: "Can't connect to Google accounts." My Google said that I needed to verify that signin, and I did, but for some reason, ...
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1answer
66 views

How to resolve “mount.nfs: access denied by server” error

I am trying to mount a directory from a Raspberry Pi 2 (the NFS server) from an Ubuntu 15.10 PC (the NFS client). When I try, I get the error: mount.nfs: access denied by server while mounting ...
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0answers
40 views

How to run a jar together with faketime

I need run a certain jar file with a mock time for testing purposes. When I execute the jar in the usual way $ java -jar myjar.jar it runs perfectly. But when I try to run it together with ...
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0answers
80 views

Stuck on grub rescue with no /boot directory?

Deleted a partition during Windows 7 installation. Now all I get is error: no such partition. Entering rescue mode.. grub rescue> I tried to look for /boot directory: grub rescue > ls ...
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1answer
36 views

Conditions sent over ssh are performed locally, not remotely [duplicate]

So I am trying to do something like this: ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i \ /home/backupboy/.ssh/id_rsa user@server.com \ "[[ $(ls -1 /mnt/dir | wc -l) -gt 4 ...
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25 views

Ubuntu 14.04 crashing when 2 monitors are plugged in

The title is pretty self-explanatory. Ubuntu 14.04 is crashing, but only if 2 monitors are plugged in. If I start my computer with just the main monitor everything works fine. What is weird is that ...
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0answers
70 views

Rsyslog not creating log files

I'm hardening an Ubuntu 14.04 VM to CIS standards and am having a problems getting rsyslog to create the necessary files. Note: I'm getting better with Linux but I'm no master yet, please excuse any ...
1
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1answer
64 views

Puppy Linux on laptop running Ubuntu 14.04 (dual-boot)?

I just read about Puppy Linux the other day. The latest release is called Tahrpup, and is partially built from Trusty Tahr (Ubuntu 14.04). So now I am curious, and I would like to install it on my ...
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1answer
39 views

Running the Following Playbook syntax appears to be correct but getting following ERROR!- 'blockinfile' is not a valid attribute for a Play

Running the Following Playbook syntax appears to be correct but getting following ERROR! ERROR! 'blockinfile' is not a valid attribute for a Play The error appears to have been in ...
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1answer
49 views

PATH not getting exported from ~/.profile until manually sourced

I am trying to modify my PATH in ~/.profile: export PATH=$PATH:/opt/jdk1.8/bin echo "Path is exported." I will always login via SSH so that's why I have it in ~/.profile. I am using zsh (oh-my-zsh) ...