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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How can I manually decrypt the hard drive?

I've just switched to Ubuntu 12.04 one year ago and moved all my photos, documents, etc to the 1TB main hard drive that has been encrypted during the installation process - not LVM but only the home ...
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1answer
121 views

btrfs RAID1 array shows as two disks

I mounted 2 drives as a RAID1 btrfs array (btrfs v3.12, Ubuntu 14.04). Everything's working fine except nautilus and other GUI-based apps see two disks, both labeled "Raid1". One is mounted (the ...
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1answer
880 views

Ubuntu 12.04 32 bit is slow on Virtual machine

I have installed Ubuntu 12.04 32 bit os on my Virtual machine. I have allocated 2GB ram to it. But the VM is running very slow, and left side taskbar is not visible. When I place my cursor on the ...
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1answer
38 views

Linux kernel version suffix + CONFIG_LOCALVERSION

On system start up I currently see Linux 4.0.0-rc6yy and 4.0.0-rc6yy.old from the bootloader menu. I'm not certain where they came from. I suspect "yy" is arbitrary but can someone explain the ".old" ...
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2answers
2k views

How to fix sudden Ubuntu 14.04 graphics problem?

I have a dual boot Lenovo laptop (Windows 8 / Ubuntu 14.04) which worked just fine. Until today. When I log in to Ubuntu I type my password as usual and select for example 'Ubuntu' as the environment. ...
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1answer
95 views

How to convert Ubuntu init script to Amazon Linux AMI init script?

I had a Ubuntu based Amazon EC2 server where I was running my java based application. For this I had written a init script which was running perfectly and as follows #! /bin/sh # set the environment ...
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2answers
2k views

udev rule for assigning known symlinks for identical usb serial devices

I have two (and possibly in the future, more) USB serial devices which are identical (down to the serial number, unfortunately) - they're actually BTC miners. Currently they end up as ttyUSBX where X ...
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1answer
1k views

Low display resolution Ubuntu Gnome remix 12.10

I'm running Ubuntu Gnome remix 12.10 and it can't recognize my display. My HW is: Intel i3 3225 with HD 4000 onboard / is on a OCZ Vertex 4 SSD display is an old IBM Thinkvision with vga connector ...
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1answer
55 views

Troubleshooting SSH on Ubuntu Server

I am trying to setup SSH-key authentication on Digital Ocean Cloud server. I first added my rsa_id.pub to my account and autoloaded it to the ubuntu droplet when I created it. There seems to be an ...
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1answer
78 views

Is my server being used as a proxy or malicious requests?

I have an Ubuntu, Apache, Passenger, and Rails 4 project on AWS EC2. I am a beginner full stack developer and am unfamiliar with the security and server side of my project. This is my first time ...
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1answer
718 views

How to open tty or execute some script when the shortcut Ctrl+Alt+F[1-6] doesn't work and X11 is partially frozen but system is still working?

I'm using Ubuntu 10.10 with Gnome on Acer Aspire One netbook. The X11 or just some parts of Gnome like panels and partially windows (details described below) are frozen which doesn't allow to do ...
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2answers
2k views

Linksys AE3000 install on linux

I bought a Linksys AE3000 wireless adapter hoping I could use it on my Ubuntu 12.04 box. I found a website that walked through using it, but it didn't work. I edited rtusb_dev_id.c to add: and then ...
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2answers
696 views

Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
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0answers
5 views

I need help booting in to GRUB. 13.04 [duplicate]

I need help booting in to grub in 13.10. I cant get to grub. I didn't exactly install Ubuntu. It was preinstalled for my specific pc (its a smart book from Taiwan) and I copied it to my SD card ...
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0answers
3k views

How to get to recovery mode if grub screen does not appear?

I cannot login my Ubuntu12.04 (which is VM running on OSX using VMWARE FUSION 6) because I have changed permission of /tmp for some purpose before rebooting the machine. Thus I tried to boot Ubuntu ...
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1answer
69 views

Shell script to compare two tables and perform operations on their columns

I have two tables like the following: Table 1 TABLE_NAME COUNT ------------------------------ ------------ AIN_EDP_SCRIPT 33 AMA_CALLTYPE_LOOKUP ...
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1answer
42 views

Mysql exited with status 1 and restarted every 24 hours? How to debug?

After upgrade, MySQL on Ubuntu 14.04 keeps crashing and is restarted every 24 hours according to the dmesg. I would expect to some reason for the failure in MySQL logs, but all are empty. Any ideas ...
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5answers
12k views

Why doesn't docker container start at boot w/ upstart script on Ubuntu 12.04?

Using instructions for Docker auto-start on Linode VPS running Ubuntu 12.04 and Docker 0.8.1, the specified container does not start on reboot. Once booted, I am able to ~$ sudo start [service-name] ...
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3answers
599 views

Directory appears as file?

So we copied some photos in a directory across to a NTFS partition last night, and they were viewable from ubuntu. Today the directory is not accessible from Windows, and when we booted back into ...
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2answers
48 views

Installing an unauthorized wifi card in a Lenovo thinkpad edge 14

I took out a my Intel dual band Wireless AC 7260 card model number 7260HMW from another laptop. I wanted to install it in my thinkpad. Upon doing so and rebooting, the computer said unauthorized wifi ...
2
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2answers
19 views

Can't find emails retrieved by fetchmail

So I set up fetchmail to retrieve emails with IMAP from a remote mail server, I was able to run it. How can I know that it found any emails or not since I did send test emails to the account being ...
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1answer
522 views

How to write/edit/update the OsIndications efi variable from command line?

In the need to enter the UEFI firmware setup utility while using ultra fast boot (keyboard drivers are not loaded during POST), I wish to write to the "Os Indications" efi variable. My OS is Ubuntu ...
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1answer
36 views

Is it possible to access opened gnome terminal session in text console?

I am running Ubuntu 14.04. My desktop environment (compiz and unity) sometimes becomes frozen, which makes it difficult to save my work including text editing in emacs running in gnome terminal. ...
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0answers
21 views

postfix some users can send mail to the (distribution lists) and other users not

How can I do the following things: Some users can send mail to the mailing list (distribution lists) and other users not. For example: the everyone@mycomp.com will be able to send e-mails only for ...
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1answer
5k views

Run 64 bit app on 32 bit system (Ubuntu)

All the questions I've seen refer to running a 32 bit app in a 64 bit system. I'm running Ubuntu 12.04 32 bit (actually elementary OS Luna, which is based on it) and I'm trying to run a 64 bit app ...
0
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1answer
29 views

svn checkout without tags

How to checkout the repository without tags in svn. Created tags in repository. Now whenever client users do svn checkout that tags also downloaded. So I need to svn checkout the repository without ...
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1answer
49 views

How to move mysql database and mysql server to another machine

I am having Ubuntu 14.04 desktop in which i develop software. Due to some reasons my hard disk has developed many bad sectors. I want to move my mysql server software and all the databases to a new ...
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2answers
4k views

How to reduce ClamAV memory usage?

I'm running a Ubuntu based web server (Apache, MySQL) on a 512MB VPS. This is more than sufficient for the website it is running (small forum). As I wanted to add some protection against viruses I ...
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2answers
347 views

Ubuntu (14.10, 14.04) Graphics rendering issues with nvidia 331, 346 when using two screens at once (built in and external)

I bought a new dell laptop ( inspiron 15 3000 series ) with 2 gb nvidia geforce 117m. It shipped with ubuntu 14.04. That was very choppy and slow. I installed nvidia 346.47 ( from the nvidia website). ...
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1answer
995 views

Bluetooth Device not working debian wheezy

i just installed debian wheezy on msi cx640dx. my bluetooth device not working. here is some information. Kernel version: $uname -r 3.2.0-4-amd64 when i use hcitool dev it don't show any device. ...
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1answer
209 views

Error while booting Ubuntu 14.04 - setterm: $TERM is not defined

Yesterday I restarted my Notebook with Ubuntu 14.04 and got the following error message in between the login-screen and the loaded user interface. Error found when loading /etc/profile setterm: ...
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3answers
14k views

GRUB-EFI installation fails while installing Kali Linux in external hard disk

I was trying to install Kali Linux from a live USB to an 1TB external hard disk. At first I was unable to boot the live USB with my H2O Insyde BIOS. Then I converted my pen drive partition table to ...
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3answers
131 views

How do I create a utility USB?

I do a lot of work with many different bootable images all on different flash drives. However, it gets annoying to search for a specific drive, plug it in, and use it. Is there a way I can consolidate ...
3
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2answers
5k views

smbpasswd failed for new Samba install on fresh Ubuntu 11.04

I've installed Samba on a fresh Ubuntu install. I run the command sudo smbpasswd -a someuser New SMB password: Retype new SMB password: Failed to add entry for user someuser. I've read that you ...
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1answer
60 views

How to know which platform I am using in lubuntu, ubuntu or kubuntu

I need switch script in between lubuntu, ubuntu, and kubuntu. How can I know which platform the script is running in? Because uname/lsb_release never show different in those 3 releases Lubuntu$ ...
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1answer
1k 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 ...
2
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1answer
926 views

ping receives no packets, but tcpdump can see them coming in

I'm migrating an old Ubuntu OpenVZ instance (Jaunty) to a new CentOS 6.3 host (using vzdump/vzrestore). Now networking does not work properly. Facts: It works just fine if a setup a new OpenVZ ...
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0answers
52 views

Reading the program header contents of an ELF file

How is it possible to extract loadable program headers individually from ELF files? By examining a binary using readelf one can get output similar to: $ readelf -l helloworld Elf file type is EXEC ...
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2answers
35 views

xterm formatOtherKeys not working on Ubuntu?

I'm trying to run xterm and have it pick up key bindings such as Ctrl-; Ctrl-. Ctrl-, etc.. (I like to use these bindings in emacs -nw) After some reading online I managed to get a working setup ...
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6answers
27k views

How to transfer files from Windows to Ubuntu on Virtualbox?

How should I transfer files from Windows to Ubuntu installed on Virtualbox? When I plugged in a USB, it only pops up in Windows. How can I see it in Ubuntu?
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0answers
55 views

Suspend option disappear from shutdown dialog on Mint 17.1 Cinnamon

Previously I have a "Suspend" option when I open shutdown dialog, not sure why (probably because I did a apt-get upgrade I found the "suspend" option has gone: Another thing is even I set my power ...
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2answers
7k views

How can I get Apache working (complains about logfiles) on Ubuntu after a distribution upgrade?

I upgraded from Raring to Saucy, and it says it can't open listening sockets: root@ip-10-250-42-219:/etc/apache2/sites-enabled# apache2ctl restart [Tue Oct 22 13:34:05.187996 2013] [core:warn] [pid ...
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1answer
90 views

How to provide GUI interface to all users of Ubuntu?

I have "Ubuntu Dekstop" installed in VirtualBox in a Windows 7 PC. How can I configure it to provide a GUI interface to every user I create in the Ubuntu? Should I install "Ubuntu Server" to ...
2
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1answer
655 views

xorg.conf XkbOption ignored for terminate:ctrl_alt_bksp to restart X

I want Ctrl+Alt+Bksp to restart X, so I created an xorg.conf rule: /usr/share/X11/xorg.conf.d/53-zap.conf: Section "ServerFlags" Option "DontZap" "false" EndSection Section "InputClass" ...
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3answers
2k views

Split a physical X display into two virtual displays?

I just purchased a TripleHead2Go and configured it using OSX. What this box does is simply take 1-3 multiple external monitors and combine their signal into one single resolution. I'm using two ...
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2answers
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 ...
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1answer
760 views

Adding multiple user with shell script on Ubuntu

Can someone help me in providing me the shell script for creating multiple users on Ubuntu. Password needs to be different for each user. Thanks in advance
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1answer
48 views

How to set the monitor brightness gracefully at boot time?

I've been using a loop that contains xrandr --output VGA1 --brightness 0.3 in a bash script which will automatically execute right after logging in by gnome-session-properties (a.k.a. Startup ...
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1answer
368 views

Live USB repeatedly gives error 'Failed to load ldlinux.c32'

I'm trying to put Ubuntu on my desktop. Right now, it and my laptop are running Manjaro 3.18. I've been using Unetbootin to create the live USB on my laptop. I've tried several different versions of ...
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1answer
1k views

XBMC crash after selecting “play”. Ubuntu 14.04 and 13.0 gotham. Link to crashlog

I have a brand new machine with fresh install of Ubuntu 14.04 and I'm trying to run Gotham 13.0 on it. I've already added the restricted multimedia codecs (just in case) to Ubuntu. sudo apt-get ...