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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1answer
119 views

How to use afl-fuzz (American Fuzzy Lop) with openssl

I am trying to use afl-fuzz with openssl in Ubuntu. A normal usage of afl-fuzz would be: afl-gcc test.c //-- this will produce a.out mkdir testcases echo "Test case here." > testcases/case1 ...
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1answer
10 views

Software updater waiting for “q” key press

A few days ago Ubuntu's Software updater awaits user input (q to Quit). I have attached a screenshot with the problem. I think this is related with fake sync from Debian. What does this mean and how ...
0
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2answers
64 views

7-Zip slows down over time on Ubuntu but not Windows

I have a directory called Pages of 2.2 million HTML files (about 80 GB) on an Ubuntu server. I compressed it with 7-Zip using this command: 7z a -mx=9 Pages.7z Pages It took around 5-6 hours to ...
0
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1answer
22 views

Copying directories to directories with different names

How can I copy a number of directories: directory_01 directory_02 directory_03 to different directories tmp_directory_01 tmp_directory_02 tmp_directory_03 where each tmp_directory_* directory ...
2
votes
1answer
36 views

Editing multiple files simultaneously with vim/gedit

I'm trying to save some work by editing multiple files with the same name located in different directories: $ mkdir -p directory_{0..10}/results How may I create files with the same name in all ...
2
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1answer
30 views

Multiple questions about mounting multiple partitions (in Ubuntu 14.10)

I've got questions about how the Linux mount command works when used multiple times. Through an unfortunate series of events (multiple crashes in Ubuntu), I've decided that I wish to simply back up ...
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0answers
18 views

Why is my kerberos ticket not working?

I'm trying to ssh to another machine but my kinit is not working: $ ssh nik@social-1-r.referens.sys.XXXXXXX.se Permission denied (publickey,gssapi-keyex,gssapi-with-mic). Kerberos is used for ...
0
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1answer
728 views

dota 2 graphics problem in ubuntu 14.04

i installed ubuntu 14.04 in my laptop. then i installed steam and finally dota 2. but the graphics are very bad. i have amd raedon 7400 in my laptop. it seems like dota 2 is not running through my ...
1
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1answer
56 views

Why is setting up WLAN in Debian so hard? (compared to Ubuntu) [closed]

switching from Ubuntu 14.04 to Debian jessie (LXDE) on a ThinkPad T500 Lan (eth0) is configured in /etc/network/interfaces and works fine. After setting up LXDE i wanted to switch to WLAN and it ...
0
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0answers
19 views

Turn .vmwarevm into .iso

I was wondering if anyone knows how to take the .vmwarevm and the files inside it and turn it into an .iso. I searched on Google but haven't found anything. It would be amazing if the .iso can ...
0
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2answers
133 views

Ubuntu won't connect to university internet [closed]

My WiFi adapter shows networks in the area, but will not allow me to connect to my university Internet. Normally, on Windows, I connect to the Wifi by clicking connect. It shows it as connected, but ...
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4answers
3k views

tail -f, but with line numbers

I'm trying to see how many times foo bar appears in /var/log/foo.log within an arbitrary amount of time on a remote server, but nothing that I've tried so far has worked. I've already got a timer ...
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0answers
12 views

Convert VMWare virtual machine to .ISO

I have a virtual machine with the extension .vmwarevm. The OS is Ubuntu 15.04 Mini 64-bit. I have no GUI, just command line interface. I looked up a couple of tools like remastersys but had no luck. ...
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0answers
11 views

Ubuntu mini won't recognize my touchpad on VMWare

I installed Ubuntu Mini 15.04 64-bit with Gnome desktop on VMWare Fusion. My trackpad from my Mac doesn't work on it. Do I need to install something for it to work? It's really annoying navigating ...
0
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1answer
258 views

How do I compile the latest apache2 on ubuntu using the original layout, configuration and configure options

I needed to compile apache2 on ubuntu but I wanted it to use the original configuration and layout. It took me a very long time to find the information to do this, so I thought I would create this ...
0
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1answer
20 views

Use rsync to transfer files from Windows to Ubuntu

I'm having trouble transferring files via ssh from a Windows box to an Ubuntu box using rsync and cygwin on Windows. The file transfer starts, but the newly created directories and files on the ...
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0answers
22 views

Is High Virtual Memory usage a problem or may cause problems?

In our server, we have a python based code that listen ports. The amount of Virtual Memory it uses is increased greatly with time Like: USER PID %CPU %MEM VSZ RSS TTY STAT ...
0
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1answer
222 views

Why Linux games are less performanced than Win 7?

I had Windows 7 x64 and now I have Ubuntu 14.04 on notebook HP 4535s. I expected games to be faster in Linux than on Windows because of fewer machine requirements. But it isn't so... E.g., games via ...
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1answer
121 views

Update kernel to 4.1.1 in Ubuntu Mini

I'm using Ubuntu Mini 15.04 and I want to update the kernel to the latest 4.1.1. I've been looking online but there are so many different ways. I've tried some but always ran into some error. I am ...
0
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1answer
16 views

Remove Ubuntu strings from Mini install

I have an assignment to remove a string from Ubuntu Mini v. 15.04. How would I remove the Ubuntu String on the top? It says "Ubuntu 15.04 hostname tty1". I just want to remove Ubuntu 15.04 string. ...
0
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1answer
2k views

How to fix error 'xrandr: cannot find output “VGA1”'?

I am trying to enable a HDMI connection to a monitor connected with a HDMI cable to my Lenovo laptop using the following commands. > xrandr xrandr: Failed to get size of gamma for output default ...
0
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0answers
42 views

Why do I get “duplicate” local IP addresses on different interfaces?

I have two network interfaces(a wireless and an USB dongle) attached to an Ubuntu server and both get the same local IP address. Is there any reason for this or a way to force it assign distinct IP ...
2
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2answers
9k views

What is the command or hotkey for stopping a running program in DrJava?

I installed DrJava about a week ago. Its been working fine so far but I ran into an infinite loop and wanted a way to stop the program from running without having to force DrJava to quit. Is there a ...
5
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2answers
8k views

How do I resize GNOME shell top bar

I am on Ubuntu 12.04 and installed gnome-shell, but I found the top bar is larger than it normally is, how can I change its size?
2
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3answers
543 views

Hide all open windows on Ubuntu 12.04 LTS

Is it possible to have a button on the side bar to hide every open window on Ubuntu 12.04 LTS?
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1answer
29 views

Remove branding from custom kernel

I have an assignment to build a custom kernel which removes all the drivers/plugins that are not needed and also remove any traces that it is Ubuntu's. Basically, my teacher wants us to strip it down ...
0
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1answer
48 views

Upstart job does not trigger (Xubuntu 14.04)

I'm in the process of learning how to use Upstart. I wrote a simple job as a test (file is /etc/init/uptest.conf), using a custom event to trigger it manually: start on uptest task exec touch ...
0
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1answer
20 views

Problem booting Ubuntu (or any OS), even after doing clean installs

Summary: OS (Ubuntu / Windows) installs fine, but when the time comes to restart and boot, it doesn't boot. (Gets stuck; screen blinks and I am still at boot selector). Can boot to a live ...
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0answers
31 views

ssh publickey authentication to a Ubuntu running inside VirtualBox

I have a Ubuntu running inside a VirtualBox inside my Windows 8 desktop. I am trying to communicate between the Ubuntu and another Debian server in the network. I have enabled Port Forwarding in ...
0
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1answer
2k views

Consistent network interface name ubuntu using pci slot

One can set consistent interface naming via mac address by modifying /etc/udev/rules.d/70-persistent-net.rules. Can you establish consistent interface naming by PCI slot number? (I tried but failed) ...
0
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1answer
519 views

Grub2 lost in new Linux distro install

So, I really need some help. Recently I was using a dual boot machine on the same hard drive. I had Windows 8.1 and Ubuntu GNOME 14.04. When I installed Ubuntu on top of my Windows install, I didn't ...
0
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1answer
65 views

hard drive formatted while Linux setup, lost partitions

I have installed Ubunto 14.04 on sda1. but after the installation finished, all the partitions are gone . I have important data on sda5 , and when I run the following command : sudo fdisk -l in the ...
3
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1answer
2k views

Need to auto-login after logout on ubuntu

I've set up a kiosk using Ubuntu 12.04, and I'd like to have it autologin after a user logs out or if the screen locks, in case someone manages to get back to lightdm or tries to login to the ...
2
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0answers
35 views

On what level is touch screen support implemented in Linux?

I'm trying to use a Linux OS on my tablet PC (Lenovo Thinkpad Helix 15). I tried Ubuntu, but except for switching and moving windows and bringing up the launcher, there doesn't seem to be a lot of ...
4
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4answers
2k views

How come I installed Ubuntu 64 bit on a Pentium 4 machine?

I have just tried booting the Ubuntu 10.10 64 bit live USB on this machine and to my amazement everything works fine. I even installed the system, after which I checked with uname -a and the result is ...
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0answers
21 views

Setting up my Linux machine with multiple hard drives

I've recently made the switch to a copy of Elementary OS Freya (Ubuntu 14.04) and so far, really been enjoying it coming from a Windows background. After fumbling around a little, I got my 1TB Seagate ...
0
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2answers
242 views

init.d script not being run on boot

My script is not running on boot in a vagrant box under Ubuntu. My script looks like this - #!/bin/bash # /etc/init.d/mailcatcher ### BEGIN INIT INFO # Provides: scriptname # Required-Start: ...
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0answers
24 views

Gnome Terminal Colors not displaying correctly, Vim too

Gnome Terminal Monokai Theme (Colors are wrong) I downloaded the Monokai theme and my blues and greens are clearly off. Gnome Terminal Monokai Theme Vim Issues Also I am using 256-grayvim theme ...
2
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1answer
172 views

variable name lost when tab completing to export an environment variable with a path

I'm trying to setup an environment variable using tab completion, e.g. snowch$ export JAVA_HOME=/usr/lib/jvm/java-6-oracle/ I used to be able to tab complete the folders after typing the export ...
0
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3answers
104 views

how can I build older version of gcc?

I am on Ubuntu 14.04.2 32 bit platform and I have gcc 4.8.4 installed. I want to build old version of gcc (2.95.3) to compile older version of linux kernel. I tried to follow this gcc-2.95.3 and this ...
7
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2answers
12k views

rsync is very slow (factor 8 to 10) compared to cp on copying files from nfs-share to local dir

I have a freshly installed Ubuntu-server which is ought to be the new backup-server for our VM-storage. The server has 4 nics, 2 of them 10Gbit (in fact an intel x540-T2 with the newest driver ...
3
votes
1answer
3k views

Linker error: /usr/bin/ld: cannot find -lgcc_s

I am trying to compile symlinks (tar.gz-file), which is a very small tool with one line for compilation: gcc -Wall -Wstrict-prototypes -O2 -N -s -o symlinks symlinks.c which gives the error .... ...
1
vote
1answer
39 views

CasperJS and PHP In Cron Job Cannot Open Files, Works Fine When Run Manualy

I recently got a new DigitalOcean LEMP environment with Ubuntu. I tried making an SH script that uses CasperJS to scrape data from an external website to a JSON file, and a PHP script to parse the ...
1
vote
3answers
5k views

D-Link DWM-156 HSPA USB Modem doesn't work with SIM card inserted

I have a D-Link DWM-156 HSPA modem, that I bought just a few days ago. The modem has drivers in its internal storage. There are Debian packages (.deb) for both i386 and amd64, so obviously I installed ...
2
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1answer
529 views

Granting SAMBA rights and privileges requires root password

Given a default Ubuntu installation, I get the following myusername@EARTH:~$ sudo bash root@EARTH:~# net rpc rights grant myusername SePrintOperatorPrivilege Enter root's password: Failed to grant ...
3
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1answer
619 views

Ubuntu freeze after upgrade installation interrupt

I was upgrading my Ubuntu distro and shut down the laptop in the middle of the installation process. Upon restart, I only get a black screen with these messages: Starting Hardware RNG entropy ...
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0answers
15 views

Xfce not working on Chromebook after recent Chromebook OS update: how to fix? [closed]

A few days ago I followed a guide to install xfce (precise) on my Chromebook. I did this so I could install the arduino IDE. After a recent Chromebook OS update, everything seems to have gone to ...
3
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0answers
14 views

Synaptics touchpad inactive before suspend, active after resume

I'm running Ubuntu 15.04. I usually disable the touchpad. (because my palms make the cursor jump all over the screen!) When I suspend (by closing my laptop's lid) and then resume (by opening the ...
1
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1answer
434 views

Touchpad does not work anymore. How to reenable?

I dont know what I did and if it was my fault. But for two days my touchpad does not work anymore. Google does not help me. Fact that may help: I have no xorg.conf. Ubuntu system settings ...
0
votes
1answer
34 views

How to conect wi-fi network without using GUI?

I'm using Ubuntu Server 14.04, but I want to connect wi-fi network without using GUI? Exists an software for that?