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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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 ...
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0answers
13 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 ...
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0answers
28 views

Best way to undo a release-upgrade?

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 ...
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1answer
59 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 ...
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0answers
11 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 ...
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1answer
21 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
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2answers
92 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) ...
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0answers
24 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 ...
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1answer
49 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 ...
3
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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.
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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 ...
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0answers
44 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 ...
2
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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 ...
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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 ...
1
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0answers
32 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 ...
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0answers
53 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 ...
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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 ...
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1answer
50 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!
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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
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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
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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: ...
1
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1answer
14 views

How to stop many process like unicorn and sidekiq using single command in certain environment

I am using Ubuntu 12.04. I remotely access remotely EC2 instance, i will stop and start unicorn and sidekiq by following commands cap development unicorn:start cap development unicorn:stop cap ...
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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 ...
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1answer
102 views

Difference between Ubuntu and Linux Mint

Can someone please tell me the differences between Ubuntu and Linux Mint ? I thought they were almost the same thing until I downloaded Ubuntu 13.10 versions of softwares for my Linux mint 16 ...
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0answers
53 views

Ubuntu recognize my hard drive as “ FREE Disk ”

I'm newbie in Linux world but I'm a big fan of Ubuntu. I've bought a new laptop ( TOSHIBA C55D-A-13Q ) and it had Windows 8 64-bit pre-installed . I tried to install Ubuntu alongside it but it ...
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1answer
56 views

Can't enable TRIM on SSD

I can't enable TRIM on my newly-installed SSD. Ubuntu Server 12.04, Linux 3.11.0-15-generic. I turned TRIM on through discard setting in /etc/fstab. Also TRIM doesn't work with fstrim command. Here ...
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0answers
17 views

How to use UPSTART feature of ubuntu to restart the python script but not as root?

I am running my Python script using upstart feature of Ubuntu so that if for whatever reason my Python script dies or gets killed, it can be restarted automatically and everything is working fine - ...
3
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1answer
45 views

How to limit a user's RAM on Ubuntu? [duplicate]

I currently have a "friend" that has an account on my dedicated server which is running Ubuntu. Not getting into specifics, but he said he will use ~2gb max and he's using ~10gb. On to the question. ...
0
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1answer
31 views

Which Desktop Linux version can run decently on For P4 & 750MB Ram

I just installed Ubunta 13.10 on an old P4 with 750MB Ram, but the system is running too slow to be used for anything. I had XP running on it and worked fast enough to use, but I decided I wanted to ...
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0answers
19 views

Ubuntu + CISCO VPNC CLIENT for my new ubuntu version (32 bit )

I have newest Ubuntu Linux version 10.04.4 (32 bit ) I want to install Cisco VPNC client on this linux machines in order to connect to other customers I little confuse , which VPNC cisco version ...
1
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2answers
40 views

ubuntu + how to install the patch command

Please advice how to install the patch command on Ubuntu Linux I download the following file , patch_2.6-2ubuntu1_amd64.deb ( from site - http://packages.ubuntu.com/lucid/patch ) But not clearly ...
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1answer
36 views

Make a “java -jar file.jar” run at startup

Hello I am running a kubuntu 13.10 distro, but I guess my question is pretty general...how to make a .jar execute in background at system start?
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2answers
33 views

Newly compiled kernel not booting up (vanilla kernel 3.12.14)

I downloaded, configured and installed kernel downloaded from kernel.org. While booting up this new kernel for the first time, this error screen shows which is pointing towards a missing or wrongly ...
1
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0answers
20 views

pdf viewer for text documents saved as images — bad rendering

The situation I have in mind is a .pdf document obtained from a scan, so that many readers view it as an image (as opposed to text) and render it badly (see the screenshot below) My personal user ...
0
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2answers
37 views

Make Ubuntu acknowledge that a custom built version of PHP is installed

I'm trying to install PHP from source code on my Ubuntu 12.04 VPS. I'm installing PHP like this: Download the latest version from the php.net website. Configure it using the parameters below. ...
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2answers
43 views

Registering Ubuntu Client With Spacewalk

Right now I'm just testing the process for some desktop machines I'll be managing so I have a fresh install of Ubuntu 12.04.04 LTS. We have a non-satellite spacewalk server that I'd like to have ...
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0answers
13 views

Changed permissions on /usr/lib [duplicate]

I changed permission on /usr/lib by doing a recursive call to chown by using sudo. And after that, the system has just been weird. I don't have any network/audio interfaces working; pretty much the ...
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0answers
25 views

How to uninstall xFreeRDP v1.2.0-beta1

I installed a new version of xFreeRDP (because new options are not available from the version in the default repositories) using the instructions here: https://ifconfig.dk/freerdp/ I want to ...
2
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2answers
34 views

Different sites on different interfaces using link aggregation

I read about Ubuntu Bonding and how it allows to bond multiple connections to get several advantages. My requirements is this : I want two different interfaces at a time (A wifi and other Ethernet) ...
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2answers
63 views

Problem installing Okular from ppa under Ubuntu

Under Ubuntu 12.04, I installed Okular from a ppa. After I installed it, I ran into the following problem of opening a PDF file: $ okular my.pdf Got bus address: ...
0
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1answer
53 views

Recursively delete hidden directory & its files?

I want to delete all hidden directoris from a directory and its sub-directory. I also use rm -rf .directory_name this command is iterative command I want to a recursive command. Please anybody help ...
0
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1answer
26 views

Getting black controls when running linux on vmware on windows

I want to run ubuntu 12.04 LTS. I want to put the graphics in it, but when I open it, I get this. I used this command sudo apt-get install --no-install-recommends ubuntu-desktop to put the desktop ...
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0answers
25 views

fix webcam problem by changing its file in /dev/

At Ubuntu-Gnome 13.10, My webcam can be accessed by cheese; Also Skype determined the webcam, But it does not show any output for webcam at options window (Webcam also doesn't turn on). Skype ...
1
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1answer
19 views

Where can I find openbox logs?

I have a multi head openbox setup with fglrx as my drive. I chosen openbox from the gnome login screen of 12.10. My openbox crashes when I click to desktop left or right, but this does not happens ...
1
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1answer
56 views

How do I determine where DNS requests fail in the TCP stack?

I have the networking setup described here: Why is this static route not taking effect? Currently, I can ping my DNS server but all DNS requests fail: ~$ ping 130.35.249.52 PING 130.35.249.52 ...
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2answers
19 views

ssh to a new user in ubuntu

I created an user in ubuntu and now I want to do ssh with that user. I'm able to do ssh but I'm not getting in the shell: myUserName@myMachineName:path$ I just get: $ And I don't see the path ...
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2answers
36 views

How to use casper-rw file for persistance

I have my USB stick setup using Easy2Boot. It allows me to drop ISO files onto the USB drive and boot from there no config or tweaking needed. I have been doing research on making it persistent. I ...
1
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2answers
79 views

How to replace a custom date string in a text file

I've looked through several tutorials and a couple of StackOverflow posts, but I've not seen any examples using sed or awk which use dates. I have a text file that contains this as the first line, I ...
4
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1answer
64 views

Why is this static route not taking effect?

Original Question I am running Ubuntu and network manager. I have two different interfaces, eth0 and eth1. Network manager has (as far as I can tell) correctly added this manual route: ~$ ip route ...
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0answers
18 views

Long line wrapping in Nano

When editing an authorised_keys file in Nano, I want to wrap long lines so that I can see the end of the lines (i.e tell whose key it is). Essentially I want it to look like the output of cat ...