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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3
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2answers
312 views

Toolbar icons unable to load when running Emacs through xhost from FreeBSD to Ubuntu

I'm connected to a FreeBSD Computer using ssh [ip] -X, and emacs launches just fine, but this happens and all the icons are little pieces of paper with red X's: > emacs (emacs:22812): ...
0
votes
0answers
186 views

Error installing grub on bootable USB drive

I want to deliver a Linux tool as a bootable USB stick and so I am trying to create a USB stick with the Ubuntu core. I am following the steps at What commands are needed to install Ubuntu Core? But ...
7
votes
2answers
1k views

Are driver modules loaded and unloaded automatically?

On Ubuntu 14.04, I found that when I don't plug in my external wireless adapter, its module rt2800usb is still shown in lsmod. when does automatically loading a driver module happen? Is it when ...
3
votes
1answer
201 views

Why when loading an SO file does it append a version to the end?

I use CMake and Ninja to build a test executable of mine written in C++. I use gcc 4.8. I'm on Ubuntu 14. I run CMake to configure the ninja build scripts, then I run ninja to build. I specify the ...
1
vote
1answer
26 views

Dotfile not working in current shell, need new one

To be clear, this isn't a screen issue, I'm sure it's a general shell issue. On a new Ubuntu 12.04 server, I'm currently logged into a terminal in which I want to run the screen command with my ...
3
votes
1answer
2k views

Getting “Protocol Error” when trying to create a symlink in Docker

I'm trying to setup a symlink, using the command ln -s /var/www/data/cache/widget/overlay/ /var/www/public_html/images/overlay but it outputs ln: failed to create symbolic link ...
0
votes
1answer
368 views

Dav SVN apache mod not working in Ubuntu trusty when there are spaces in the url

I am using Ubuntu 14.04.2 LTS with subversion 1.8.8 and attempting to set up remote svn access via apache2 with mod_dav_svn - this is a migration to linux from a windows server running apache2. The ...
0
votes
0answers
115 views

What could be the output of command `lsblk -f -r | grep ' /' | grep -v ' /boot'` on encrypted drives?

Suppose we have drives which are encrypted, what could be the output of following command in Debian based (specially Ubuntu OS)? lsblk -f -r | grep ' /' | grep -v ' /boot'
2
votes
1answer
176 views

What are the deb files for installing a kernel for?

When installing a kernel in Ubuntu(e.g. http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-vivid/), what are the files for respectively: linux-headers-4.0.0-xxx_all.deb ...
0
votes
1answer
77 views

What should I do so Ubuntu finds a new application when pressing Alt+F2?

I've got a new machine running Ubuntu 14.4 today, and I installed Eclipse by downloading and unzipping it. Now I would like to be able to: run the command eclipse in the terminal to open Eclipse; ...
0
votes
0answers
167 views

Symbolic link not allowed apache 2.4 chiliproject

Few hours ago I upgraded ubuntu 13.10 to 14.04 LTS. I have 1 problem with chiliproject application wich running on Rails. I got error 403 when I'm trying to access my chiliproject application. In ...
0
votes
1answer
98 views

Setting ServerName to suppress Apache warning message with multiple domains

When I restart/reload/whatever apache2 (2.4) on Ubuntu Server 14.10, I get the error message that the server could not determine the FQDN. I had this set previously, no big deal, but I now have two ...
1
vote
0answers
166 views

grub-mkconfig generates duplicate entries for an Ubuntu/Gentoo dual boot setup

I'm currently running Ubuntu (Xubuntu, specifically) as the primary OS on one of my systems. I've been building up a Gentoo installation on a new logical volume on the same system and I'm at the point ...
0
votes
1answer
2k views

how to properly configure samba access using groups

I am having trouble trying to get a specific group to access samba server through windows. is it possible to allow certain groups to the file sharing server? example, I have a group called ...
1
vote
1answer
215 views

How to have tmux on startup for both OSX and Ubuntu (including Quake)

I recently updated my Ubuntu 14 system and the update has made it impossible to have tmux started up automatically. In fact the previous setting made it impossible to log into my Ubuntu account(!), ...
0
votes
2answers
105 views

why can't we install application compiled for Ubuntu, on Linux mint, or some other distros with same kernel?

When i try to download some applications like VLC, it shows in download options, various Operating systems which includes Linux mint, Ubuntu etc. Though Linux mint's kernel is from Ubuntu, still they ...
1
vote
2answers
3k views

Multiple RSA server certificates not allowed

I purchased a multidomain certificate, and I was trying to install it on my server. I put the following information inside the virtual host for one of my sites: <VirtualHost *:443> ... ...
4
votes
2answers
522 views

Prevent Language selection at ubuntu installation

I would like to make a completely unattended installation of Ubuntu Server 14.04 from an USB drive where I extracted the ubuntu-14.04.2-server.iso In /syslinux/txt.cfg of the USB drive, I added the ...
2
votes
1answer
52 views

Installing Linux with USB on Mac

I am trying to get Ubuntu (version 14 I believe. It's the latest version) installed on my Macbook Pro (Late 2013 edition 13 inch, no disk drive in it) via a USB Flashdrive. I have followed every ...
12
votes
1answer
17k views

Hide curl output

I'm making a curl request where it displays an html output in the console like this <b>Warning</b>: Cannot modify header information - headers already sent by (output started at ...
4
votes
2answers
9k 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 ...
1
vote
1answer
242 views

Unable to access another server over local network on Digital Ocean

I have two servers. Let's call them A and B. Both are running ubuntu server 14.04. B runs percona server. Now I do not have any firewall set-up on either servers still I am unable to connect to server ...
0
votes
1answer
453 views

How to force nm-tool to update its DNS servers

Using Ubuntu 14.04LTS and having a problem with changing DNS. I can change servers in the /etc/resoolvconf/resolv.conf.d/base and head files and restart resolvconf using sudo resolvconf -u and it will ...
1
vote
0answers
130 views

Ubuntu on dell chomebook 11 crash on install*

I recently got a dell chromebook 11. I promptly installed crouton. then croutons had sound errors so I uninstalled it and decided on chrubuntu. It worked until it a lot crashed as Well. Finally I ...
3
votes
3answers
695 views

Starting a process from one terminal from another terminal

I was wondering of there is any method to start a new process or a program from one terminal into other. What I mean is: Let's say I have to run gedit abc.txt, but I don't want it to block my current ...
0
votes
1answer
131 views

How do I diagnose why a VPS is freezing?

I have a Ubuntu 14.04 VPS (1cpu, 512MB ram, swap 1024MB) with Apache, mySQL, sendmail and sshd, sometime it freeze, I can't access neither through ssh nor with VNC provided by the vps provider, the ...
-1
votes
1answer
1k views

Problems with postfix/dovecot unable to receive mail

Can't receive mail on my server but can send just fine. From what I can tell in the logs, it complains about timing out. I check the connection externally using telnet from my PC, I can connect to ...
0
votes
1answer
28 views

Subversion server on ubuntu with mutiple repositories and checkout problem

I have 3 customers, FirmA, FirmB and FirmC. Under directory /srv I've created three subdirectories, FirmA, FirmB and FirmC that will act as a svn root for every firm. Inside svn root directories I've ...
1
vote
1answer
299 views

Debhelper recursive dependency

Unfortunately, debhelper has a recursive dependency. When I try to install with apt-get source --compile debhelper, it says: Reading package lists... Done Building dependency tree Reading ...
2
votes
0answers
55 views

Run ssh-agent 24/7 using keychain?

I have a Node.js script that requires ssh-agent to be running 24/7 on my Ubuntu server. I installed keychain and put eval 'keychain --eval id_rsa into my ~/.bash_profile, but that only runs when I ssh ...
1
vote
1answer
115 views

Understanding home folder permission

thisisme@ubuntu:/home$ ls -al total 28 drwxr-xr-x 4 root root 4096 4月 19 2012 . drwxr-xr-x 24 root root 4096 4月 9 12:34 .. drwxr-xr-x 66 thisisme thisisme 4096 4月 12 ...
0
votes
1answer
58 views

Ubuntu 14.04 - Force using home and end as keyboard shortcuts

I'd like to be able to use the Home and End keys as shortcuts, but Ubuntu's settings absolutely refuse to let you do so by normal means because it'll become "impossible to type using this key." - ...
0
votes
1answer
838 views

Missing panel icons in elementary OS Luna

Dropbox, Network (Wi-fi) and Mega icons are gone. I don't know how it happened, perhaps an apt-get update or something. Those icons should be placed besides that volume icon. What I have to do to ...
2
votes
2answers
442 views

kernel compilation in ubuntu, reboot msg “gave up waiting for root device”

I was trying to compile Linux kernel from source file i.e. 3.19.3 kernel version I ran the following commands for compilation first I extracted tar -xvf linux-3.19.3.tar.xz changed to its ...
0
votes
2answers
556 views

Shell script to find number of vowels in script

This is the script: clear echo read str len=`expr length $str` count=0 while [ $len -gt 0 ] do ch=`echo $str | cut -c $len` case $ch in [(aeiouAEIOU)] count=`expr $count + ...
-1
votes
1answer
80 views

Cron job * is replaced by file name in current directory [duplicate]

This is my first shell script program, so i think this is more likely a silly question for you all. Overview of problem My need is to write a shell command for installing our Node.js server. ...
3
votes
1answer
6k views

Disable login screen on Ubuntu 15.04 (Vivid Vervet)

In 15.04 Vivid Vervet, how do I disable the login screen so that it drops me into a console right off the bat? Back on 14.04, I did this by uninstalling lightdm, but when I tried that on 15.04, the ...
2
votes
0answers
517 views

Force OpenSSH / pam / pam_ldapd to do pam_ldapd(sshd:auth) with public-key authentication

I have working pam_ldap authentication using libpam_ldapd. I'm using slapo-nssov and want to use loginStatus attribute which is added to users ldap entry after opening pam session and deleted when its ...
0
votes
0answers
35 views

date advancing quickly ubuntu 14

after an upgrade of my server from ubuntu 12.04 LTS to ubuntu 14.04 LTS my system date is advancing quickly (taking 1h every 10 minutes). I tryied to install an ntp server to correct date but no way ...
2
votes
1answer
1k 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 ...
1
vote
1answer
319 views

find the cause of file corruption when copying files to a network share on an Ubuntu machine

I am copying files from my SD card to my Ubuntu server via Windows 7 using a network drive. The problem is that sometimes, 2 files out of 150, are corrupted during transfer. See here 2 example files ...
2
votes
1answer
43 views

Tool to list every e-mail detail sent from a server

Introduction: I have a specific problem with an Ubuntu server where some security leak allowed spammers to use the server to send e-mail. I fixed most of the problems (caused by some unsecured ...
1
vote
1answer
43 views

GRUB is not working

I've installed ubuntu alongside windows7 in laptop. When I restart after installation, it is directly entering Ubuntu OS. It is not showing the option which OS to choose. Windows is not deleted ...
2
votes
1answer
96 views

Why do the two scripts work for waking from suspension?

My Ubuntu 14.04 on Thinkpad T400 sometimes (but not always) can't wake up from suspension. While I am still suspecting my graphic controller's driver, I found two scripts (here and here). I don't ...
1
vote
1answer
247 views

cp: cannot stat error - when filename has Asian characters

I am simply trying to copy files using cp -r /home/user/source/ /home/user/destination/ but it throws me the cp: cannot stat /source/filename.xxx error for some of the files. When I searched for this ...
2
votes
2answers
274 views

How can I alert on completion of a long task over ssh?

My desktop is Ubuntu, which has the handy program notify-send, which pops up an alert on the desktop. It also has the following handy alias built in: $ type alert alert is aliased to `notify-send ...
0
votes
1answer
765 views

Ubuntu Postfix Open LDAP integration - no SASL authentication mechanisms

Ive followed all the steps in https://help.ubuntu.com/community/Postfix/DovecotLDAP but I am getting a localhost postfix/smtpd[12520]: fatal: no SASL authentication mechanisms in my ...
1
vote
1answer
1k 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" ...
2
votes
1answer
573 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 ...
0
votes
1answer
203 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 ...