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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2answers
614 views

Arch, Ubuntu: So what's the deal with libudev.so.0?

I'm interested in building Linux desktop apps with Web front-end technologies. Both platforms I've tried -- Chromium Embedded Framework/CEFPython, and Awesomium, seem to have a dependency on ...
2
votes
1answer
624 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 ...
3
votes
1answer
218 views

Ubuntu user disappeared from machine

Unsolved mystery - I was given a coworker's Ubuntu 12.04.1 LTS machine and set up my own (sudo/admin) user on there from the command line. I switched to my user (from his sudo/admin user) and ...
7
votes
4answers
10k views

Switch Fn key state

I have this issue with Lenovo Thinkcentre Edge. Its keyboard has Fn key, which acts in my Ubuntu (with Fluxbox) as if it is always "active/pressed". I can't use standard F1-F12 keys unless I hold ...
1
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1answer
85 views

Accidentally deleted /bin/su

I was working in /bin on my Ubuntu system and ended up deleting su via a typing error while trying to do other editing. So now I have no way of swapping back and forth between users and root. I have ...
5
votes
4answers
24k 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 ...
0
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0answers
132 views

How do I get the wallpaper to fit the width of my dual monitor setup in ubuntu?

The wallpaper I'm using doesn't fit the exact dimensions of my monitors combined, so when I set the wallpaper option to span I get black bars on the far right and left with the image centered in the ...
1
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2answers
750 views

What to do if you accidentally delete /var/spool/mqueue

Due to a bug in another script, there were 1000's of mails in var/spool/mqueue. I read somewhere that one should delete /var/spool/mqueue to prevent the messages from being sent. Unfortunately, ...
0
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0answers
110 views

Triple-boot on Windows 7 machine with manual partition table, how to proceed?

I have a Dell Latitude E5440 laptop with Windows 7 64-bit Professional pre-installed on it. My aim is to have Fedora 20 64-bit with a stable kernel and Ubuntu 14.04.1 LTS 64-bit alongside Windows 7. I ...
0
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1answer
78 views

Understanding linux Bridging

I have started learning networking and recently been through bridging in Linux. Bridge in Linux could be set in two ways as far as I have got by reading on internet i.e. either by bridge-utils ...
1
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2answers
4k views

Intel HD 4600 graphics card not supported in Linux Mint 17

I have just installed Linux Mint 17 on my desktop computer with a Intel HD 4600 graphics card. Unfortunately it only supports a low resolution of 1920 x 1200 which looks horrible in contrast to the ...
0
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0answers
22 views

Set default editor for 'info coreutils' [duplicate]

I'm using Ubuntu 14.04 and have this in my .bash_profile: export EDITOR=/usr/bin/vim export VISUAL=/usr/bin/vim man respects this setting but info always opens in something else, nano or it's own ...
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0answers
34 views

API for Ubuntu Linux utility panel

I want to build an application that integrates with the top menu bar on Ubuntu. Where if you click the icon you get a dynamically created drop down menu. Everpad does this and here's an example of ...
0
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0answers
255 views

How to properly install Apache, MySQL, and PHP on Ubuntu 10.4

I have followed a guide on how to install Apache, MySQL, and PHP on my laptop running Linux (Ubuntu 10.4) It appears I have it installed correctly but when I am not sure. I followed this guide here: ...
0
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0answers
150 views

Intermittent, temporary freezing

I just got na SSD for my desktop, and decided I'd install Linux on it, for a change from Windows. The problem is, I've tried Ubuntu 14.04 and Fedora 20, and on both, in the install environment and ...
0
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0answers
132 views

Greek dictionary in LibreOffice

I've installed LibreOffice Version: 4.3.3.2. On Calc, I try to write in Greek but the Spell Checking put a red line bellow every word. I went on Tools -> Spelling -> Options and add there the Greek ...
1
vote
1answer
1k views

Network interface not registring ARP response

I have a server with two NIC and it's running Ubuntu Server 14.04. The first one is the interface "p3p1" and it's connected to the subnet 192.168.1.0/24 with the IP 192.168.1.100. The second one is ...
3
votes
1answer
272 views

Mounting alternate devices (with different mount options) at the same mount point

I have a server (running Ubuntu 14.04) that has a hot-swap drive bay. I typically use the hot-swap bay to mount one of a bunch of loose hard disks that I shuttle large scientific datasets around on. ...
0
votes
1answer
180 views

Questions about behaviour of running LiveCD Linux after unmounting a CD-ROM

Could anyone explain what happens in system after unplugging CD-ROM during working with LiveCD session? Suppose that I'm using Ubuntu LiveCD and suddenly by accident the CD-ROM disconnect for a ...
0
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0answers
59 views

Install Ubuntu live USB to USB or computer

I have a live USB with Ubuntu 14.04 with things I have installed and deleted, and preferences that I've changed on it, and am wondering if it's possible to install Ubuntu onto either another USB, or ...
2
votes
2answers
1k views

Restarting youtube-dl

I feel like this should be a really simple thing to do, but I don't know how to do it. I recently updated the config file for youtube-dl and I also upgraded to the latest version. The update message ...
0
votes
2answers
3k views

Ubuntu cannot find or detect new wired network adapter

I want to use two ethernet cards on my machine. So I've physically inserted the new ethernet card in to my machine. However when enter the ifconfig -a command Ubuntu cannot find or detect the new ...
1
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1answer
321 views

Networking not working on ubuntu server 12.10 on B75MA-P45 mobo

Just got some new parts to but together a local development server with Ubuntu server 12.10 and I can't get networking working. I have an airport extreme for my router and it works find with CentOS ...
3
votes
2answers
2k views

Print job “Held for authentication”

Following the instructions here, I have installed a Samba print server on an ARM-based Udoo-quad running Udoobuntu 12.04 LTS. The Samba server is working, and (after setting guest ok = yes in the ...
2
votes
2answers
5k views

Ubuntu 14.10 disconnects from wifi after waking up from suspension

I have recently upgraded to Ubuntu 14.10 LTS. When I suspend my laptop and wake it up later from sleep, or when I close my laptop lid and open it later on, or when I want to change my network, I loose ...
1
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2answers
708 views

Linux drives not showing on dual boot install - intel smart response issue

When I try to install linux as dual boot on my laptop. However it does not show any available drives for me to install it on when I get to the install screen on a live boot cd. I have tried creating ...
0
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0answers
61 views

how to fix a port no statically for client request on client side?

I have an assignment to implement: unicast multicast broadcast in Java socket programming. While implementing the multicast part I decided to do it on my own system itself, so for the purpose of ...
1
vote
1answer
47 views

How to change the shortcut directories in Files?

I'd like to redirect the documents, downloads, music, and videos that are on the sidebar of the files application to another location that is in another partition. So far my Internet research have ...
1
vote
1answer
347 views

Diagnosing lost network connectivity on Ubuntu

My first question here so please be gentle. :) I have a Linode running Ubuntu 14.04, with a stack managed by ServerPilot.io. Only real modification is that I'm running HHVM in a limited fashion. ...
1
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0answers
17 views

File transfer help with Ubuntu and ESXi

I have two esxi machines that I want to directly transfer files between. Is there a way I can facilitate that transfer from a third machine that I have Ubuntu 14.04 running on?
0
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0answers
308 views

Problem in Ubuntu 14.04 monospace font

Up to recently, I was using normal fonts. But suddenly my fonts for code became weirder. I don't know what happened. My font for monospace is set to Ubuntu Mono. I tried setting it to Courier with no ...
1
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2answers
225 views

Find out at what time my machine got restarted and why?

I have my ubuntu machine which is running Ubuntu 10.10 and that machine is running my app server. I am suspecting that my machine got restarted today at some time but I don't know how to find out at ...
1
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1answer
290 views

How To Send Terminal Commands To Remote Server After Connecting Via putty? [closed]

In order to listing all batch files and finding the required file from a directory, I am using windows script to connect to the linux server. I can able to connect by passing necessary parameters but ...
4
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2answers
3k views

Does Linux log when a process is started, and the PID that gets assigned to it? Where can I find that log?

When my Ubuntu server starts up, I see a message that says: kernel: [11.895392] init: failsafe main process (631) killed by TERM signal. I would like to know what process this is but I'm not sure ...
5
votes
1answer
343 views

Calls to sync/fsync slow down after 30 minutes uptime

After 30 minutes of uptime using Ubuntu 14.04 with a hybrid SSD I see many processes blocking IO using iotop. This is during disk writes, for example if I open and close an empty file in gedit it can ...
1
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2answers
732 views

nodm not working on bootup

I've setup and used nodm in the past (it is extremly simple and easy), but now cannot get it working. My base system is Ubuntu 13.04 server, but I have tried Debian and older Ubuntu servers as well. ...
7
votes
2answers
59k views

How to fix boot into initramfs prompt and “mount: can't read '/etc/fstab': No such file or directory” and “No init found”?

Installing a new system using a GPT partitioned disk dedicated to a single partition, ext4 formatted, extlinux (version 4.05) as bootloader, Ubuntu Core version 13.10 amd64 as rootfs, and Ubuntu ...
0
votes
3answers
377 views

Lock folder when running cron

I am setting up my first cron on a Ubuntu Desktop system. I was curious to know if there is a way to lock a folder before a cron is ran and how to set it up? I am following this article. I am just ...
2
votes
1answer
105 views

Computer won't restart without recovery mode and mouse is flickering after I added the ppa ubuntu-x-swat/x-updates

I installed Steam a few weeks ago, and it kept bothering me to add the ppa ubuntu-x-swat/x-updates,so I did it yesterday. After I installed it, my computer was fine until I rebooted. The computer ...
0
votes
1answer
63 views

I purchased a Ubuntu-preinstalled, used, Asus Mini Notebook off of Amazon. I pushed the power button while it was installing updates. [closed]

Okay the subject line basically contains my question. I purchased a used Ubuntu-preinstalled Asus Mini Notebook computer off of Amazon. It worked just fine for awhile. Then one day while it was ...
3
votes
0answers
1k views

Grub rescue after corrupted hard-drive (“read-only filesystem”)

I run xubuntu 12.04 alongside a NTFS storage partition and a windows 8 partition. I moved my MySQL data directory off the xubuntu (ext4) partition, onto the NTFS partition, and did an import of a ...
-2
votes
2answers
136 views

Linux for girlfriend [closed]

I want to install Linux on my girlfriend's machine. Her current system, Windows Vista, is about 7-8 years old and pretty slow. She used Windows all her life and to make the change as easy as possible, ...
1
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0answers
93 views

Grub 2 - attempting to boot into “Windows bootloader” boots me back into grub

I've managed to dig myself into a bit of a hole. When I boot, I am given the option to boot into Ubuntu or into the Windows bootloader. When I attempt using the windows bootloader, the result is that ...
0
votes
1answer
7k views

How to install squashfs-tools on Ubuntu?

I tried running `unsquashfs and got: $ unsquashfs filesystem.squashfs The program 'unsquashfs' is currently not installed, You can install it by typing: So I went to install it: $ sudo apt-get ...
2
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0answers
125 views

Network connectivity trouble to non-routing multi-homed hosts?

I have two networks: A and B (172.16.2.0/24 and 172.17.2.0/24). A is Ethernet, B is WiFi. An OpenWRT router connects A and B, and most traffic gets passed OK. Default route on router leads to a ...
2
votes
1answer
154 views

Ubuntu init script failed - trying to find out more detail about the error

My /var/log/boot.log shows this under Ubuntu 14.04: ... * Starting servicename <br> chown: invalid user: ‘username’<br> No passwd entry for user 'username'<br> * Starting ...
2
votes
1answer
1k views

Jenkins does not use system's locales

I got a interesting behavior in Jenkins. Jenkins' shell does not use my systems locales. Jenkins runs as user jenkins on my system. Logged in as jenkins via SSH: locale displayed: ...
5
votes
2answers
2k views

Having trouble exporting FUSE via NFS

I've got a self-written FUSE file system I mount on my NFS server on mountpoint /export/example/mount. Then I export a parent directory of the FUSE via NFS. The /etc/exports contains the options ...
2
votes
0answers
487 views

How to set LANG in locale, despite it's in /etc/default/locale in ubuntu for unicode support?

I run Ubuntu 12.04, I can't set the locale to en_US.utf8. I set the LANG by configuring /etc/default/locale as described here. $cat /etc/default/locale LANG=en_US.utf8 $locale LANG= LANGUAGE= ...
1
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0answers
129 views

SSH broken when connected to VPN upon upgrading from Ubuntu 13.04 to 14.04

I need to SSH into a server which is only accessible when I am connected to a VPN (PPTP). Using my Ubuntu 13.03 virtual machine, this works perfectly. First I connect to the VPN, then I ssh into the ...