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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2
votes
2answers
125 views

“sudo service vsftpd” returns “Unknown job: vsftpd”

I installed vsftpd on ubuntu 14.04 and when I want to stop or restart vsftpd service this message showed and nothing happened in service status! root@ali-lap:/home/ali# service vsftpd restart stop: ...
0
votes
1answer
14 views

Adding a route with time-limited validity?

I have read different routing protocols, each one adds routes with limited time validity to routing table. Is there a method in Linux/Ubuntu, without installing any routing daemon, to add a time ...
2
votes
1answer
21 views

Ubuntu Update Manager fails

I have Ubuntu desktop installed. Every time Update Manager runs it fails: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/gnutls26/libgnutls26_2.12.14-5ubuntu3.6_amd64.deb 404 Not ...
5
votes
1answer
108 views

Disable atd (and other unnecessary startup processes) in Ubuntu?

I just spun up a new 12.04 server and have been having a bit of trouble getting the atd daemon to stop auto-launching. There's been a bit of changing around on the management of startup processes, ...
2
votes
0answers
40 views

Best way to undo a release-upgrade? [migrated]

Welcome to Ubuntu 13.10 (GNU/Linux 3.11.0-19-generic x86_64) [...] 0 packages can be updated. 0 updates are security updates. New release '14.04' available. Run 'do-release-upgrade' to ...
0
votes
0answers
9 views

caja-x-desktop opens up windows 13.04 fix

Hi, I installed Ubuntu UE 3.8, I noticed the following problems: sometimes caja-x-desktop opens up 10 or less windows. I noticed that it occured when I plugged in a pen-drive and tried to delete a ...
13
votes
3answers
17k views

File permission issues with shared folders under Virtual Box (Ubuntu Guest, Windows Host)

I am using Ubuntu on Virtual Box and I have a folder which is shared between the host (Windows) and the VM (Ubuntu). When I open any file in the share folder in Ubuntu, I can not change it as its ...
1
vote
0answers
15 views

Gnome Shell Integration in Chrome not working

Just upgraded to Ubuntu 14.04, which seems to also make a full reinstall of Chromium (as all my plugins were removed). Now, trying to access https://extensions.gnome.org/ to enable Gnome Shell ...
1
vote
1answer
25 views

Where is my tablet's memory card mounted on laptop?

I connected my Asus fonepad7 tablet to my laptop via usb. My laptop automatically detects it & opens. But I'm unable to find where the memory card of my tablet mounted on laptop. Just see below, ...
2
votes
2answers
98 views

What are the 3 flavours in ubuntu 14.04 LTS?

I can find these 3 flavours on Ubuntu download page, but previously, I could find only 32 and 64 bit versions. Can anybody explain about each? 64-bit 32-bit (for machines with less than 2GB RAM) ...
1
vote
1answer
82 views

Sudo su issue on ubuntu 14.04 lts: /root/zsh can't not be found

I have recently re-installed ubuntu 14.04 lts and I installed my favorite shell (zsh) but I am having an issue now. When I type, sudo su it comes back with an error stating /root/zsh can not be ...
6
votes
1answer
1k views

Using setkeycodes to map pressed and released to different “keys”

I have a keyboard that has a scroll wheel, but it doesn't work on Ubuntu and xev command doesn't show anything when moving it. But with the dmesg command I found this: When moving the scroll wheel ...
1
vote
1answer
63 views

java plugin does not work in chromium-browser (all possible attempts exhausted)

I was using google chrome browser on Ubuntu 12.04 machine, recently I needed to switch to chromium-browser. I am using the version that is available on the Ubuntu software centre. The problem is that ...
1
vote
0answers
26 views

Grub error 15 (file not found)

I'm trying to fix a problem with a new installation. I'm running this existing distro (Ubuntu) from /dev/sdb with a new OS, Gentoo, installed on /dev/sda. I'm glad I took the trouble of setting these ...
1
vote
0answers
12 views

phpcurl not able to install on terminal

I am not able to install packages php and curl. But its gives dependencies error, please check below curl : Depends: libcurl3 (= 7.29.0-1ubuntu3.4) but 7.32.0-1ubuntu1 is to be installed ...
3
votes
1answer
123 views

How can I make the screen black and white?

This is basically to transform the screen (of a laptop), into a black and white screen. I am using Ubuntu 13.04.
1
vote
3answers
55 views

forwarding web traffic through a vps running on Ubuntu in another country

I've got a vps in another country. And I'd like to forward all my web traffic through it. I know there are commercial options available in the market but I'd like to do it by myself for the sake of ...
1
vote
4answers
999 views

Restart MySQL server

I am using MySQL v5.1 on Ubuntu machine. MySQL on my machine used to work. (Running mysql -u root gave me the MySQL command line.) This afternoon, I did the following thing: 1. check active process ...
43
votes
13answers
33k views

How can I get distribution name and version number in a simple shell script?

I'm working on a simple bash script that should be able to run on Ubuntu and CentOS distributions (support for Debian and Fedora/RHEL would be a plus) and I need to know the name and version of the ...
7
votes
2answers
348 views

Low battery freezes laptop

I have a laptop Lenovo G575. MS Windows works without any problems on it, but with Linux, it freezes during login or up to 10 minutes after power on. I have tried Ubuntu, Fedora 15 and 16, Fedora 16 ...
1
vote
3answers
8 views

how to pipe the output of cut to the foreach command?

I have the cut command I want that grabs the first word in each line of a file. I then want to put each word from the cut command into a foreach. I then want to do a grep command inside the body of ...
2
votes
0answers
46 views

USB 2.0 device is not working in USB 3.0 ports

I have a Ubuntu 12.04 system. To that system I have one USB 3.0 port. In this port I am trying use my USB 2.0 device. But every time when I plugged that USB 2.0 device into that USB 3.0 port,system ...
3
votes
1answer
2k views

Sound volume control does not work in Ubuntu

My sound volume control does not work when I'm logged in with my regular user, though the sound works correctly. What's weirder is that the sound control works when I'm logged in as guest. With my ...
1
vote
0answers
54 views

Is there a solution for when a system hangs on “switching to clocksource tsc” anyway?

Ok so this is exactly what I did yesterday, and what I have tried to solve the problem so far. The distribution is Ubuntu Server 12.04. What I have done just before the error appeared I added a new ...
5
votes
2answers
68 views

Killing X-related processes when CrashPlan is running

I am currently running Ubuntu Server 12.04, but this applies to all flavours of Linux really. This server does a bunch of things and is controlled remotely via ssh. Some time ago I have installed ...
1
vote
2answers
186 views

nme for linux target setup fails on debian

I'm trying to run haxelib run nme setup linux To set up NME for the Linux target on my Debian box. Actually Linux MINT Debian Edition, but that shouldn't matter. However, I get the following ...
18
votes
7answers
19k views

Create services in Linux (Start up in linux)

I need one process run before log in to system. how to run it like services?(how do I make services in Linux?) in Ubuntu and Fedora ? the service is customized tomcat
0
votes
1answer
38 views

Downgrade USB 3.0 to USB 2.0 in ubuntu

I have USB 2.0 device when I plugged this device into the USB 3.0 port of my system then system gets hanged, after researching many of the solutions says that you can downgrade USB 3.0 to USB 2.0. But ...
2
votes
0answers
18 views

Why VMware DHCP persists getting offline?

I am trying to set up a SSH server in my remote machine which is running Windows 7 on it currently. So first I set up a Oracle VirtualBox but it did not work for me properly. Then I decided to go with ...
1
vote
1answer
218 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 ...
2
votes
4answers
2k views

SSH not working from one specific computer

I can connect from every other computer on the LAN, as well as externally. It connects fine to other machines running SSHD. When trying ssh with verbosity, I get the following readout: $ ssh -vvv ...
1
vote
0answers
33 views

Ubuntu hangs on boot [on hold]

After installation mount manger software, upon restarting ubuntu won't boot up . It hangs on boot splash screen and doesn't move further. I have duel boot running in this computer so, I can boot and ...
1
vote
2answers
3k views

Unable to set hostname for use within network

I am having a lot of trouble setting up a hostname for my home server for use within my home network. My home server is running Ubuntu 12.04 LTS and all packages are up to date. Management of this ...
3
votes
1answer
2k views

Can't connect to steam

I've just installed Steam on my computer, created a Steam account and tried clicking on the steam icon to load it. It gave me the following error and then shuts down: If I type steam in the ...
1
vote
1answer
214 views

Configure multiple interfaces with different hostnames using DHCP and DNS

I have a machine running Ubuntu 12.04 Server with two interfaces connected (eth0, eth1) to the network. Our network is set up so that a FreeBSD based DHCP server hands out leases and registers the ...
0
votes
3answers
42 views

Error “parted: invalid token: 1” When Using Parted To Format A Partition?

Screenshot: http://imgur.com/DQnhwG2    I'm trying to format an existing ext2 partition as ntfs (or any filesystem) using the mkfs command in Parted, but when I specify the partition to ...
1
vote
2answers
2k 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 ...
0
votes
1answer
193 views

Xtightvnc: Ubuntu gnome-session-fallback: Fonts problem

I'm running a tightvnc server on Ubuntu 11.04 with a Gnome fallback session. Things seem to work fine except that when I try launching an application that needs xfonts-100dpi. All application menus ...
6
votes
2answers
430 views

Detection of USB Modem is unstable - how can I correct this?

I am using Huawei 3G USB Modem in Ubuntu 12.04 LTS on DELL Inspiron NS5520. I tried every possible solution but had no luck. Whenever my USB Modem disconnects, I can not re-connect it and then I have ...
-1
votes
1answer
51 views

How to create a custom Linux distribution? [closed]

Can any one tell me the easiest way to create a system with live cd with installing function. Which can install backtrack all tools?? I need to create a custom boot animation and everything!
5
votes
1answer
69 views

Writing raw images safely to USB sticks

Trying lots of different linux, on all kinds of hardware I find my self typing commands like this quite often: sudo dd if=xubuntu-13.10-desktop-amd64.iso of=/dev/sdc bs=10240 Needless to say, ...
1
vote
1answer
254 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] ...
2
votes
1answer
2k 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 ...
3
votes
1answer
326 views

Alt+tab key not working in NX client for linux

I am using NX clinet-3.5.0-7 version running on ubuntu 12.04. I am trying to use Alt+Tab key to switch between different terminals on my NX client but I am unable to do so. When ever I use Alt+Tab, it ...
11
votes
1answer
2k views

What happens in each step of the Linux kernel-building process?

I've read many tutorials about how to build custom kernels and boot Ubuntu using those kernels, and successfully followed the guides and booted custom kernels, but I have no understanding about what ...
2
votes
1answer
247 views

Weird issue with unmet dependencies when cloning package states from earlier installation on same machine

I've been doing the usual routine of saving the package selections and also marking the packages as auto or manual as outlined in the question and answer here: Restoring all data from backup of dpkg ...
0
votes
3answers
246 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 ...
6
votes
1answer
1k views

Creating UFW rule to allow application to use dynamic ports

I am currently trying to get a Google Chromecast device to work through my Ubuntu 13.04 based computer. Currently, the Google Chrome extension shows "no devices found" as long as my UFW firewall is ...
1
vote
1answer
60 views

How to check for a folder inside a particular folder in shell script?

I am working on a shell script and python script as well. Python script is passing certain parameters to my shell script and then I am using those parameters in my shell script. Below is my shell ...
2
votes
1answer
40 views

Why does fstrim trim all of the free space on my mdraid mirror after a reboot? [duplicate]

I have a server with 2 SSDs: Model Family: Intel 520 Series SSDs Device Model: INTEL SSDSC2BW240A3F Firmware Version: 400i User Capacity: 240,057,409,536 bytes [240 GB] Sector Size: ...