Most Popular
1500 questions
154
votes
9 answers
bash: ./program: cannot execute binary file: Exec format error
I'm trying to run a program, but it gives an error:
bash: ./program: cannot execute binary file: Exec format error
The result of file program was:
program: ELF-32-bit LSB executable, ARM, EABI4 version 1 (SYSV), dynamically linked (uses share…
Soongeun Hwang
- 1,541
154
votes
9 answers
How could I list all super users?
I want a command to list all users who have root privileges i.e. sudo ?
Suppose I'm a sudoer user. How could I know all other sudoer users?
Maythux
- 87,123
154
votes
2 answers
How do you get a list of all starting services?
I know about the update-rc.d SERVICE OPTIONS command to add and remove services from startup, but how do I use it to get a list of all the services that are currently configured to start at startup?
Is there some other way to get this list?
Lance Roberts
- 4,017
154
votes
11 answers
How can I access Apache (on VirtualBox guest) from host?
I installed Apache on an Ubuntu VM. When I go into the guest and load up Firefox I can see that Apache is working fine when I browse to localhost.
I would like to access this same page through the host. I've tried using the IP address of the guest…
urok93
- 1,959
154
votes
4 answers
Ubuntu 14.04 LTS live USB boot error (gfxboot.c32:not a valid COM32R image)
I downloaded Ubuntu 14.04 (64 bit) lts. I made a bootable usb stick. But I keep receiving this error message upon booting:
SYSLINUX 4.04 EDD 20110518 Copyright (C) 1994-2011 H. Peter Anvin et al
Unknown keyword in configuration file: gfxboot.c32:…
jamius19
- 1,690
154
votes
8 answers
How do I disable my system from going to sleep?
I am getting a web server setup at home on an older AMD 2400+ desktop. I have Ubuntu 11.04 installed and running however, after a time, I can no longer browse to the server. When I go to the keyboard and press a key, everything magically works…
Mike Wills
- 1,833
154
votes
4 answers
Disable autostart for a service without uninstalling?
How can I disable autostart for a service without uninstalling? For example, I'd like to leave tomcat installed, but I don't want it turning on every time I restart.
C. Ross
- 3,067
154
votes
9 answers
How do I remove Steam?
Anyone know of a way to remove Steam from Ubuntu 12.04? Looked around the net but could not find an straight forward solution. Thanks.
Hector Arzuaga Jr
- 1,553
154
votes
9 answers
Changing TTY keyboard layout on a server?
I use 12.04 Server in command line mode (no X installed), and I would like to change the keyboard layout. How can I do this?
Mike
- 1,543
153
votes
9 answers
Why has VirtualBox's menu disappeared?
How do I display the menu bar of VirtualBox?
Functions like cdrom, usb, etc need access to the menu bars to work.
sam
- 6,921
153
votes
6 answers
How to patch the Heartbleed bug (CVE-2014-0160) in OpenSSL?
As of today, a bug in OpenSSL has been found affecting versions 1.0.1 through 1.0.1f (inclusive) and 1.0.2-beta.
Since Ubuntu 12.04, we are all vulnerable to this bug. In order to patch this vulnerability, affected users should update to OpenSSL…
Lucio
- 19,191
- 32
- 112
- 191
153
votes
6 answers
How do I show apt-get package management history via command line?
Is there a way to show the history of packages that were changed by apt-get via command line?
NES
- 33,935
153
votes
7 answers
Can't upgrade due to low disk space on /boot
I try to do do-release-upgrade
but then I get:
Not enough free disk space
The upgrade has aborted. The upgrade needs a total of 25.7 M free
space on disk '/boot'. Please free at least an additional 25.7 M of
disk space on '/boot'. Empty your…
clamp
- 1,729
153
votes
4 answers
How to resize partitions?
Previously, I have installed Windows 7 on my 320 GB laptop with three partitions 173, 84 and 63 GB each. The 63 GB partition was where the Windows was installed. The rest were for file containers.
Now I changed my OS to Ubuntu 12.04 LTS. I installed…
Johannes
- 1,549
153
votes
4 answers
How do I change mirrors in Ubuntu Server from regional to main?
I have a Lucid Server (10.04) set up and I would like to change the mirror from US (or any other country) to the Main Ubuntu Mirror.
For example my two first entries in sources.list are:
deb http://us.archive.ubuntu.com/ubuntu/ lucid main…
Sorin-Mihai Oprea
- 1,913