Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is AskUbuntu.com.

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Ubuntu, VirtualBox, RemixOS - endless boot loop

I tried to run RemixOS inside VirtualBox on Ubuntu, but RemixOS runs in an endless boot loop. It's the problem mentioned here too. These are my settings: Any ideas what could cause these endless ...
3
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1answer
3k views

Differences in nc (netcat) options on Ubuntu vs RedHat

nc -q -1 local host ${PORT} ${CMD} In Ubuntu, nc may be used as above, with the -q option. See manpage. -q after EOF on stdin, wait the specified number of seconds and then quit. If seconds is ...
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1answer
6 views

How to completely uninstall remove WebStorm IDE in Ubuntu

How can I completely uninstall/remove JetBrains WebStorm IDE in Ubuntu? I already ran rm -rf ~/WebStorm-145.1616.9/ to remove the installation folder and rm -rf ~/.WebStorm2016.1/ to remove the config ...
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12 views

What is wrong with this Terminal command? (fusermount -u /directory)

What is wrong with this Terminal command? (fusermount -u /directory) I am trying to unmount an encfs folder but I get this error message: entry for /directory../ not found in /etc/mtab Why and how ...
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0answers
8 views

linux wifi work only if reboot with “sudo reboot” after restarting “/etc/init.d/networking”

I have dual boot Ubuntu 16.04 LTS with Windows 10 on a Dell computer. I have iwlwifi-7260-13.ucode as the firmware. My Ubuntu mysteriously started having wifi problems after the family got a new ...
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0answers
18 views

What do I need to look at to when getting a wifi adaptor to get my ubuntu desktop on wifi? [migrated]

I have a ubuntu desktop that has always connected to the network via ethernet. It's simple - eth0 is there in ifconfig, I run dhclient eth0, and I'm good to go. It's been this way for ages. Due to ...
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2answers
5k views

How to resize boot partition on ubuntu 14.10 using gparted

I have Ubuntu 14.10 installed on my pc of 500GB HDD. I created a seperate boot partition and now its running low on space while upgrading to 15.04. I even tried cleaning out spaces, still its not ...
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1answer
7k views

Creating user with password or changing password doesn't work in PostgresQL

I'm trying to create a new user role or change existing one's password to be able to work locally with PostgresQL. I'm working on Ubuntu. I can modify the attributes of an user, but for some reason ...
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4answers
19k views

username is not in the sudoers file. This incident will be reported

I am running Ubuntu 12.04 on my laptop using VMware Player. I am not sure why but I have an account called "User Account" in addition to my account that I usually login to use Ubuntu. Well that was ...
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2answers
5k views

CURL Error version OPENSSL_1.0.1 'not found …'

I have the last few days, a concern with CURL. I get this error: curl: / lib/i386-linux-gnu/libssl.so.1.0.0: version `OPENSSL_1.0.1 'not found (required by / usr/lib/i386-linux-gnu / libcurl.so.4) ...
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1answer
4 views

Share Windows WiFi with Ubuntu PC through wired LAN

How to setup this? WiFi Internet connection <> Windows Laptop <> Wired LAN <> Ubuntu PC
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7 views

Migrating VM from Ubuntu to Centos?

I am using ubuntu on my VMware VM. I attached a Centos boot disk with three partitions with centos and following network setting in etc/sysconfig/network-scripts/ifcfg-eth0. # Configuration for ...
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0answers
9 views

How to sandbox code in chroot for multiple users?

What am I trying to do? I'm writing a code evaluator using chroot and python and went to hackerrank for some inspiration. What I think is happening at Hackerrank? Hackerrank creates run-...
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0answers
9 views

Why does /dev/random on ubuntu generate data slower than on debian?

During test of a copy function I've copied data from /dev/random to /dev/null and measured the throughput. On my Debian testing machine, I'm getting about 200 kb/s consistently. On Ubuntu 14.04, ...
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7answers
4k views

Synergy in Ubuntu not recognizing computer name change

I've changed my computer name in these places: /etc/hostname /etc/hosts But when I try and connect Synergy with the new name, in the log it's still attempting to connect with the old name. I can ...
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2answers
3k views

Ubuntu server virtual machine on a Mac Mini can’t ping servers on the Internet

I’m attemtping to host my own development web server in a VirtualBox guest virtual machine running Ubuntu Server. I would like this virtual machine to be accessible from not only my home network, but ...
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0answers
70 views

Linux alternative to Microsoft Continuum (Android/Debian vs. Ubuntu) [on hold]

There are two systems in the "opensource-world" to 'replace'/fit Microsofts Continuum (use of a handheld device as phone/desktop at the same time). MaruOS (currently available as CustomRom for mainly ...
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1answer
22 views

Can I get (the new) bash on Windows 10 to load .profile

I installed the Ubuntu (Bash) Linux on Windows 10 (which comes with the Windows anniversary update), and started playing around with it. What I noticed is that starting the shell (ubuntu bash) does ...
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1answer
16 views

bash xargs: same command gives different output

When I run ls -1 *.a | xargs -I{} echo {} | sed 's/.a//' The output is 1 2 3 When I run ls -1 *.a | xargs -I{} bash -c "echo {} $(echo {} | sed 's/.a//')" and the output is 1.a 1.a 2.a 2.a 3....
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1answer
23 views

Ubuntu 16.04 VM Guest - Boot on TTY

On my VM guest Ubuntu 16.04 (host Win10), X server seems to fail start. The tricky thing is that installation + 1st reboot are OK, it's only on the next ones that I always fallback on TTY and console ...
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2answers
23 views

Upgrade to Windows 10 fails on Windows 7 / Ubuntu dual boot machine

My attempts to upgrade my Windows 7 install to Windows 10 consistently fails with Error 800703ED. I strongly suspect that this is caused by by dual boot setup. I have inserted info re my disk/grub ...
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1answer
45 views

Can't connect to https on ubuntu - “Unknown SSL protocol error”

I can't seem to connect to a specific server over SSL from our Ubuntu servers. Locally, on my Mac, it works flawlessly. The server address: powerschool.spokaneschools.org curl -v https://...
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2answers
1k views

Ubuntu - Standalone Magnify Tool

Is there a standalone magnify tool for Ubuntu to zoom in on applications (for web development more than anything)? I'm aware of XMag, but wondered whether there was something better than that ...
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0answers
21 views

New SSD Not Seen By Ubuntu 16.04 in LiveCD Mode or During Install

I'm trying to install Ubuntu 16.04 on a brand new SSD, but the SSD is not being recognized. I'm trying to perform the install on an Acer Aspire 5100. It's running PhoenixBIOS. The BIOS recognizes the ...
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2answers
6k views

Add Windows boot entries after installing Ubuntu?

I have Windows 7 on its own bootable hard drive, Windows 8 on its own bootable hard drive and Ubuntu on its own bootable hard drive. I'm using the BIOS to manually select on which hard drive to boot. ...
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0answers
5 views

How to start gnome session without the gnome shell UI on Ubuntu?

How to start gnome session without the gnome shell UI (the top bar and the Apps tray and multitasking tray )on Ubuntu because I want to make my own desktop with GTK support !!!
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0answers
22 views

USB Flash Drive Not Accessible

I have a USB flash drive that has worked up until yesterday. I think I may have forgot to safely eject the USB drive under Windows 7 since that was the last time I remember it working. On my Ubuntu ...
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1answer
21 views

Lampp (xampp) stop after reboot, not work autostart on Ubuntu

I am working with Ubuntu Server 15.04, I have a problem at some point in the night the computer restarts or shuts off the power goes out or simply stops working the lampp (Xampp) apachefriends, I ...
0
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1answer
17 views

create firefox profile in virtual terminal

As part of a system setup process, I'm trying to create a default firefox profile on the command line using firefox -CreateProfile default and then proceed to customize settings, etc. This works ...
1
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1answer
23 views

How to expand my main partition disk space?

I have a VPS (running Ubuntu 16.04 64 bits) I can only access remotely through SSH. Now, my main partition has no more free space while there are around 50GB available on another partition. I'm trying ...
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0answers
23 views

Unexpected reboots of a Ubuntu Linux

I have a Ubuntu Linux machine acting as a bridge/firewall between the Internet and my home network. This host works 24x7 unattended. It just sends me a report every day. I've paid attention that in ...
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0answers
15 views

Ubuntu cant find touch device occasionally

I have a Ubuntu PC connected to a touch screen that is rotated 90 degrees. When I start the PC for the first time, the touch functionality is inverted so i run the command xinput which gives me the ...
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1answer
138 views

Why doesn’t “sudo rm /bin/kill” delete the kill executable

I tried running sudo rm /bin/kill in an Ubuntu VM to delete the kill command. Running which kill gives no output as if the file doesn’t exist but running kill works perfectly ? Why does the kill ...
0
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1answer
47 views

Better driver for Intel graphics card, Ubuntu 64bit

I just installed 16.04 LTS [64bit] version of Linux Ubuntu, but it says that my Graphics are: Intel Sandybridge Mobile, and the problem with that is that I cant open more than 2 windows of youtube ...
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1answer
18 views

What are the basic commands for ufw firewall in Ubuntu?

I want to setup ufw firewall in ubuntu. Please list some basic commands that I need to learn to operate it via termianl.
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0answers
13 views

Dual boot and automatic time reset issue

I have a dual boot PC with Windows 10 and Ubuntu 64 bits. It was Ubuntu 32 bits before, but that was reinstalled with 64 bits recently. Since then, the hour is off by 2 hours when I boot either in ...
3
votes
4answers
7k views

Can an airport extreme attached disk be used in Ubuntu?

Thinking of converting my Windows 7 Boxee box to Ubuntu to ease up on RAM and CPU load, but I can't find a method of mounting the airport disk. I have found a package called airport-utils, but I can'...
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0answers
12 views

How can I fix a broken build of qt4 in ubuntu 16.04

Am trying to build the open-source version of qt 4.7.8 from here https://download.qt.io/official_releases/qt/4.8/4.8.7/ Is that even the good plan? This is the compile error I am finding. In file ...
0
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1answer
21 views

How to install secure OpenSSH server on Ubuntu?

I want to install OpenSSH server on Ubuntu. How to do it? I need to do the following: Set up OpenSSH server Set up ssh public-private key pair for user Disable password login Enable root user Set ...
64
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3answers
23k views

Change Ubuntu 11 scrollbars back to the old style

I've installed Ubuntu 11.04 and the new scrollbars in Nautilus, GEdit, etc. are driving me insane! How do I go back to the old (Ubuntu 10.10 and earlier) scrollbars? In the Natty Nautilus you can't ...
2
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2answers
2k views

Unable to send pgp key to keyserver

Trying to follow the steps in http://packaging.ubuntu.com/singlehtml/ to create a deb package for some software... I had to start by generating a GPG key $ gpg --gen-key Then upload the public ...
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2answers
99 views

Why you can't install software offline in Linux?

Why does Linux (desktop) does not provide a feature to just download a software and double click on it to install it like Windows does. It is annoying that you have to install all of your software ...
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0answers
14 views

One monitor flickering in ubuntu dual display setup

I'm running Ubuntu 14.04 LTS with a dual-display setup. One display is an older LCD (HP Compaq LA2405, connected by HDMI) and the newer display is a Dell 2414, connected by DP. This morning I noticed ...
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0answers
7 views

Options error: --tls-auth fails with 'ta.key': No such file or directory

When trying to connect my Linode to my home OpenVPN server I get the error message; sudo openvpn --config .openvpn_keys/linode.ovpn Options error: --tls-auth fails with 'ta.key': No such file or ...
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1answer
9 views

Run Firefox automatically on logon - with usual profile

I want to run Firefox (and Thunderbird) automatically on logon. I thought I had a solution - which is running "Startup Applications" and adding an entry for Firefox to execute: /usr/lib/firefox/...
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0answers
5 views

How to install libelfg0-dev on ubuntu 16.04 LTS 64bit version

I am trying to setup Open-TEE environment by following the instruction from https://open-tee.github.io/documentation/ The Open-TEE requires installing libelfg0-dev. But when I run sudo apt-get ...
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1answer
3k views

Force ubuntu to access internet through proxy

I've set up a squid forward proxy to cache all internet requests. I have a public ip and opened port 3128. Now I just need to set my ubuntu server to force all internet connections to pass through ...
0
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1answer
33 views

unable to read contents of file systems

I used to own a windows-based laptop but I wanted to partition the disk for ubuntu installation. After two weeks of debugging, defragmentation and windows settings, I was still unable to partition the ...
0
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1answer
22 views

/etc/sudoers set user to have general sudo use, with no password prompt for only one commands

I have an entry in /etc/sudo for a user who can execute sudo for all commands. fred ALL=(ALL:ALL) ALL As per the documentation the final ALL is responsible for allowing access to all commands. ...
0
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0answers
19 views

Ubuntu 16.04: wifi disabled after suspend, must enable manually

Ubuntu 16.04, when I set my laptop to suspend, upon resuming the wifi will be disabled. THere is no problem connecting to wifi, it is just that each time I resume I have to manually click "enable ...