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.

learn more… | top users | synonyms (1)

2
votes
3answers
961 views

Dead (compose) keys not working in GTK apps since upgrade

I'm running Kubuntu with KDE as my main desktop environment. A while ago I set up dead keys so I can type Chinese pinyin and other accented letters and special characters. As a side note, I use IBUS ...
2
votes
2answers
127 views

Is there an easy way to stop and reissue a command?

I am doing Node.js development in Ubuntu and I'm curious if there is a way to quickly stop and restart a node server. I run this command to start my app: $ node app.js When I make changes to ...
2
votes
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 ...
2
votes
1answer
4k views

How to install daemontools on ubuntu or debian from source

I am installing D.J.B.'s daemontools on an ubuntu 10.04 server (64 bit). (This question is about daemontools, which is a free and open software for managing UNIX services. It is not about 'DAEMON ...
2
votes
1answer
426 views

“error: no such device” at boot in Ubuntu Server 11.10 with Raid1

I have a configuration of 4 HDD's as Raid1 2 pairs of 2 HDD's. First Raid1 pair is for system, so I just made an 40GB space for swap, and the rest of it for the root, the second pair of Raid1 is for ...
2
votes
1answer
3k views

Port Mirroring using iptables - copy all traffic among nginx on :80 and apache on :8080

I have nginx running on port 80 and apache running on port 8080 I want to transfer all the traffic to both nginx and apache asynchronously i.e the performance of one server wont be dependent on the ...
2
votes
2answers
359 views

Simultaneously move long list files to new location

I'm using a wonderful program called ExifTool to recursively rename a large batch of files. Here is example usage: $ exiftool -r -ext JPG '-FileName<CreateDate' -d %Y%m%d_%H%M%S.jpg . Error: ...
2
votes
1answer
758 views

How can I manage jobs after I disconnect from my tty/ssh session?

If I ssh to a box and start a task that will take some time to complete I usually press control+z to pause the process, and then immediately type bg 1 to put run it in the background. I can then type ...
2
votes
1answer
1k views

Ubuntu machine with RNDIS tethered phone can not receive packets from internet

I tried to tether my old Windows Mobile 6 phone with my Ubuntu computer to use the phone's network. However, even though the kernel seems to recognize the phone and it is used as a network device I ...
2
votes
3answers
521 views

Servers running from chrooted Ubuntu on HP TouchPad? [closed]

The problem: servers appear to be broken inside my Ubuntu chroot. No matter what kind of server I try to run, they all seem unresponsive (VLC server won't respond to client, mkRemote doesn't move the ...
2
votes
1answer
2k views

How should I set up additional EBS storage on an Amazon EC2 instance?

One of my clients has three EC2 servers on the Amazon cloud, with several attached EBS devices: server 1 and server 2 are ubuntu micro instances, and server 3, the main production box, is a ubuntu ...
2
votes
2answers
183 views

Writing usb on FreeBSD to access on windows

How can I write "stuff" into USB drive on FreeBSD such that, the "stuff" is accessible in Windows [yes my wife still uses that :( ] and Ubuntu?
2
votes
1answer
71 views

How to Re-Create Missing Vim Directory?

The /etc/vim directory and the symlinks from /usr/share/vim to it are missing. Does anyone know how to re-create the directory and links?
2
votes
1answer
801 views

Randomly logging out

My Xubuntu 10.04 system logs me out seemingly at random. How can I diagnose why this is happening and correct it?
2
votes
1answer
228 views

A distro with Ubuntu 11.04 and Gnome 3 installed by default

I remember reading a comment ages ago about a distro that was created with Gnome 3 on top of Ubuntu 11.04. What was that distribution named/where can I find it?
2
votes
2answers
968 views

Behavior of ping with partial packet loss on Ubuntu

I am specifically looking on the return variables of running ping on my Ubuntu server, the variables I am looking for is: error status, output on stdout, output on stderr. When pinging a host the ...
2
votes
2answers
889 views

Why won't my X Server won't start as a regular user?

X won't start on my main machine. I can start it as root, but then it only logs me in as root -- I can't use my regular user account. When I start up, it flashes a black screen, then hangs at ...
2
votes
1answer
1k views

Installing Flash Player for Safari in Ubuntu

I have installed Safari browser in Ubuntu 10.10 using Wine tricks. Now I wish to run a website which has Flash content. I am trying to install Adobe Flash but it is not working even though Flash is ...
2
votes
1answer
3k views

What does 'Invalid module format' mean?

After executing... sudo modprobe rt3572sta I get... Invalid module format What does it mean? I'm trying to get Wusb600n v2 working on Lucid Lynx. Does it mean that kernel versions aren't ...
2
votes
2answers
322 views

Software (SciTe) runs differently when opened from Terminal Vs GUI

When I open SciTe from the terminal everything works fine. When I open it via Ubuntu 10.04 GUI drop down boxes I get this error every time I try to run a ruby program: sh: ruby: not found At this ...
2
votes
2answers
2k views

Ubuntu Drivers on Chromium OS?

I recently managed to install Chromium OS to a flash drive. However, when I booted into Chromium OS, I found that neither wifi or ethernet worked, yet both wifi and ethernet work on my Ubuntu ...
2
votes
1answer
764 views

How can I press key of “keycode 53” every minute in X?

I want to automate my typing. I can use window managers such as gnome and fvwm. I can access to ubuntu and obsd.
2
votes
1answer
2k views

How can I get wireless and ethernet to work with ubuntu?

I have an acer aspire 7551 laptop running windows 7 and I've successfully used wubi to also install ubuntu (the latest release version). Wireless works fine on windows 7, but neither wireless nor ...
2
votes
1answer
2k views

Network problems after Ubuntu upgrade

I'm having real problems having upgraded Ubuntu from 10.04 to 10.10. My main problem is I cannot get a network connection either wired or wireless. When I right click the Network manager applet the ...
2
votes
1answer
1k views

fdisk unable to open

I am having problems using fdisk to clear the partition table of my sd card. The sd card is identified in the /dev folder when inserted into the sd card reader, but when the following command in run: ...
2
votes
1answer
196 views

Application shortcuts

Where are the application shortcuts (Settings -> XFCE 4 Settings Manager -> Keyboard -> Application Shortcuts) saved?
2
votes
1answer
20 views

Disabling wlan0 adapter

Question: What is the terminal command behind right clicking on the wireless icon (Ubuntu 15.04) and then unchecking "Enable Wi-Fi" the box? Why am I asking it? macchanger just work for me when I ...
2
votes
1answer
30 views

Why is /proc/irq/*/smp_affinity showing too wide of mask for number of CPUs on my computer?

I am running X86_64 Ubuntu Desktop 15.04 with latest kernel (i.e. 3.19.0-22-generic). I was inspecting the interrupts and IRQs and noticed that the bit-mask for smp_affinity was twice as large as it ...
2
votes
1answer
17 views

Udev hwdb rule does not work

I am switching from Ubuntu to Arch Linux and encountering the issue that a udev hwdb rule that has worked until now does not work anymore. The only obvious difference between the systems is that ...
2
votes
1answer
19 views

Backup ubuntu configurations and deploy them later

How to take a backup of configurations like theme settings, font size, Network Manager connections, Touchpad settings etc. of my current Ubuntu 14.04 installation ? I want to use them after ...
2
votes
1answer
91 views

status, killproc commands in Ubuntu

I am trying to migrate an init.d script from centos 6.6 server to ubuntu 14.04. Centos machine start, status, stop commands are, daemon --pidfile=/path/to/pidfile /path/to/daemon/script status -p ...
2
votes
1answer
17 views

Copy initramfs to a specific place after build?

I've been hacking on a Raspberry Pi with an Ubuntu 15.04 image. Since I've got an encrypted boot setup, I need to generate an initramfs.gz image in the first partition of the filesystem, which is the ...
2
votes
2answers
62 views

Peculiar issue with ping

I'm using ping from package iputils-ping (3:20121221-4ubuntu1.1) on Ubuntu 14.04. When pinging a host host2.lan with IP 192.168.1.20 that is down initially but comes up during the run of ping, I see ...
2
votes
2answers
174 views

How to extend filesystem partition on Ubuntu VM?

I'm running Ubuntu Desktop 14.04 as a VM on a mac with vmware fusion. I'm getting space warning issues and now want to expand from 20GB to 200GB. I powered off the VM and on the vmware side ...
2
votes
1answer
138 views

Configure Ubuntu to always start with terminal & Xload open?

Does anyone know how to configure Ubuntu 14.04 so that when it starts up I have a terminal window open (at my specified x,y coordinates and specified width and height), and the Xload application also ...
2
votes
2answers
47 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 ...
2
votes
1answer
98 views

Server login attempts NOT blocked after configuring fail2ban

So, I installed (and configured) fail2ban on three Ubuntu VPS servers. I configured (imo) a maximum of 3 failed login attempts (via Putty as Root) within 2 minutes. Then I restarted the fail2ban ...
2
votes
1answer
251 views

Setting up receive-only mail server and handling incoming mail and attachments

I would like to create a following scenario on my Ubuntu 14.04 server: set up mail server (or is it called 'Mail Transfer Agent'?) which should take care of receiving mails only. No need to set up ...
2
votes
1answer
194 views

Lost sound with xmonad

I downloaded this config to set up xmonad. Hit volume up, down, works fine. Hit the volume mute hotkey, sound's gone. All good. Hit the mute key again, sound's still off. Hit volume up, nothing. ...
2
votes
3answers
113 views

What is the fastest way to create a list of directories specified in a file?

I have a text file, "foo.txt", that specifies a directory in each line: data/bar/foo data/bar/foo/chum data/bar/chum/foo ... There could be millions of directories and subdirectories What is the ...
2
votes
1answer
378 views

ubuntu does no let me log in to my user, how can I fix it?

My ubuntu has just crashed. Now that I restarted it, it does nothing when I enter my password. The screen just gets refreshed leaving the password space empty again. However, if I try to enter a wrong ...
2
votes
1answer
538 views

number of open files configuration not operational

Addressing an error of Too many open files I was attempting to follow the suggestions here Although /etc/sysctl.conf fs.file-max = 70000 vm.swappiness = 10 and /etc/security/limits.conf nginx ...
2
votes
1answer
2k views

SMBFS Mount suddenly stopped working. CIFS error

When I came in to work today, a mounted drive on our server suddenly had stopped working. In my /etc/fstab I have the following line: //172.22.64.50/Web/ /mnt/netapp smbfs ...
2
votes
1answer
258 views

Cannot change vncserver default geometry

I'm using Ubuntu 12.04 (I think it's desktop...) and running vncserver to connect to it remotely. I can successfully set the resolution if I use the -geometry flag when starting the server, but I ...
2
votes
1answer
1k views

Installing Fedora with windows 8

I have a laptop with windows 8 and I installed Ubuntu and it is now dual booted. I want to replace the Ubuntu with fedora. When creating the partitioning the fedora gives me error : For a UEFI ...
2
votes
1answer
3k views

Commands for successful domain controller replication on Ubuntu / Samba4 / Zentyal

I have a Primary Domain Controller (PDC) and an Additional Domain Controller (ADC) running on two different machines at two different locations connected via a VPN. Both are running a version of ...
2
votes
3answers
647 views

Listing nameservers in Ubuntu 14.04 without NetworkManager

In Ubunutu 14.04, I want to list the nameservers the machine is using. Normally I would use nm-tool to list them, but it appears NetworkManager doesn't run when no user is logged in via the GUI, and I ...
2
votes
2answers
2k views

many many dpkg errors while upgrading

I am using Ubuntu 14.04, newly upgraded from 12.04. I was trying to upgrade my software, but it is showing many, many dpkg errors regarding texlive-*. When I type following command: sudo apt-get ...
2
votes
1answer
182 views

What to do when you removed execute permission from some system binaries or libraries?

It seems I removed executability from system binaries, resulting in loads of Permission denied. Do I have to force reboot into host's rescue mode or is there something else I can do while I'm still ...
2
votes
1answer
216 views

Does pgrep output ever include the parameters supplied to the process?

The snippet below (from an existing script) is used to check the xvfb processes and whether they are listening on a specific port: my_list=`pgrep -u $CurrentUserID -fl Xvfb | grep :${XVFBPORT}` ...