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
34 views

Where are my lost cron jobs?

I am trying to port the code over to a new server hosted somewhere else, and I want to know what cron jobs are running on the old box. Where can I find these? crontab -l SHELL="/bin/bash" 0 0,6 * * ...
0
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0answers
6 views

i3status alsa mixer

How do I get i3status to display the volume level from alsamixer instead of Pulseaudio? This is my volume configuration right now: volume master { format = "♪: %volume" format_muted ...
0
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1answer
22 views

Return owner of process given PID

I'm trying to grab the owner of a process from a list, I have the command pidof nmap to get the then ps -u <PID> | grep USER that I'm currently playing around with, but when I run it, it ends ...
1
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1answer
931 views

Make bluetooth device invisible / disable incoming pairing

I am using the bluez package for my bluetooth usb dongle on ubuntu server. I want to be able to initiate bluetooth connection from the dongle to a device, however a device itself shall not be able to ...
1
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1answer
95 views

ubuntu server 16.04: cannot get supervisor to start automatically

I installed supervisor on ubuntu server 16.04. $ sudo apt-get install supervisor $ sudo update-rc.d supervisor defaults After rebooting, supervisor didn't get started automatically. Checked the ...
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4answers
8k views

tail -f, but with line numbers

I'm trying to see how many times foo bar appears in /var/log/foo.log within an arbitrary amount of time on a remote server, but nothing that I've tried so far has worked. I've already got a timer ...
0
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0answers
19 views

Eclipse Mars reacts delayed and crashes on Ubuntu 16

I´ve changed from Windows to Ubuntu 16.04 recently and when i'm running Eclipse Mars 2 (4.5.2), it reacts really slow or delayed. When i try to do anything like creating a new project, importing or ...
1
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0answers
27 views

how to create an icon button in X11?

I am using x11 library for creating a simple window application in Linux. I want to add an icon button (graphical button) to my app - something similar to this: Are there any instructions on how to ...
11
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5answers
25k views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running eclipse on ubuntu

I was trying to open eclipse in my ubuntu VM with the below commmand.. And as soon as I do that, I always get the below exception - ubuntu@username-dyn-vm1-48493:~$ eclipse Eclipse: An error has ...
2
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1answer
20 views

Console keymapping

I have installed Arch Linux on my Thinkpad W530, and none of the Fn-Fx keys or the volume buttons work. However, they do work before I have booted into Arch at the Grub menu. (I can change the ...
1
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1answer
12 views

Using chroot to restore Kubuntu 14.04

I have accidentaly purged some system files and now Kubuntu 14.04 won't boot past the start up logo. I read online that I can perform changes on my system through my LiveUSB and the BASH chroot ...
1
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3answers
1k views

Linux Permissions vsftpd

I have mybb installed and running in /var/www/forums. I have two users part of the www group, logan and www-data. I have the recursive permissions of forums directory set to: chmod -R 755 forums ...
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1answer
2k views

pptp is refusing traffic

I have setup a pptp (VPN) server on CentOS 6.5. I can connect, but unfortunately, when I try to load a page, it hangs on 'Connecting...' I have no idea what could cause this... tail /var/log/messages ...
0
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0answers
19 views

Practical method to safely use a USB stick on daily basis for Linux

Which practical method exist for safely using a USB stick on a daily basis, for Linux-based systems (e.g. Ubuntu) ? With emphasis over the following: I'm well aware that nothing is 100% secure ...
0
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0answers
31 views

scp and rsync not working when executed within .sh files from “startup programs window”

With Ubuntu Mate 16.04, I have a file my_backup.sh like this: # Log just for trying echo $(date) >> /home/albert/dia_hora # BBDD NOW=$(date --date="yesterday" +"%d") ...
0
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1answer
1k views

Low display resolution Ubuntu Gnome remix 12.10

I'm running Ubuntu Gnome remix 12.10 and it can't recognize my display. My HW is: Intel i3 3225 with HD 4000 onboard / is on a OCZ Vertex 4 SSD display is an old IBM Thinkvision with vga connector ...
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0answers
15 views

Errors building and installing clBLAS on Ubuntu 16.04 (64bit)

I'm tring to build clBLAS from source on Ubuntu 16.04 (64bit). From the cmake configuration output it appear the dependencies have been satisfied. I'm being guided by instructions from here like so; ...
1
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2answers
1k views

My Ubuntu 14.04 LTS doesn't have sound

I installed Ubuntu 14.04 on VMware workstation version 10.0.0 on my Windows 7 machine. After installing I figured out that it doesn't have any sound so I checked the sound settings. All items seem to ...
0
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1answer
17 views

How does this work in firewalld? iptables accept all [on hold]

On Ubuntu with plain iptables, filter table, INPUT chain: Chain INPUT (policy ACCEPT) num target prot opt source destination 1 ACCEPT all -- anywhere anywhere ctstate ...
1
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0answers
11 views

xcalib not saving brightness settings and other issues

I have certain issues which I'll list below, I hope you can help me: 1.) I have xcalib installed, I use it to manually change my contrast settings (something not possible in ubuntu directly, at least ...
0
votes
1answer
757 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 ...
0
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0answers
18 views

ssh doesn't let you change your password ,if expired

abc@xyz:~$ ssh root@178.63.93.31 root@178.63.93.31's password: You are required to change your password immediately (root enforced) Welcome to Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-85-generic x86_64) ...
2
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2answers
53 views

How to Find LaTeX generated PDF files?

I need to find LaTeX Generated PDF files because I want to find those files made by me. I think find could possibly work here. OS X El-Capitan I run Ulrich's proposal find BitTorrentSync/ -exec ...
-1
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0answers
14 views

Share Internet from WebOS tv with ubuntu pc through Ethernet

Is it possible to share WebOS TV's internet connection with ubuntu using Ethernet ? Do I have to do anything for this on my Ubuntu (Gnome) pc? I'll be thankful if you tell me How I can do that? Sorry ...
1
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3answers
6k 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
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1answer
36 views

Remote headless streaming of GUI from Linux: X says “No protocol specified” before login

The goal: I want to stream video (i.e., to Twitch) of the graphical output of a Java program I'm running on a headless Linux box. I also want to be able to start this up remotely and without a ...
1
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1answer
33 views

xkill Used On Desktop

Mouse accidentally clicked on Desktop while active with an xkill terminal command. Which makes it completely without use. Have used nemo command which resets everything as long as terminal remains ...
2
votes
1answer
23 views

Is it safe to uncheck Ubuntu Recommended Updates?

I'm currently using Lubuntu 16.04 LTS . There are three options in Software and Updates app which are Important security updates (xenial-security) should be necessary. It doesn't matter having ...
5
votes
2answers
151 views

How to Install R's devtools and digitize?

System: Ubuntu 16.04 64 bit, Dell PC 2013, 16 GB, i5 2013. I need devtools because I need the function install_github to install the non-CRAN package digitize here. I installed R by sudo apt-get ...
0
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0answers
8 views

Which script is responsible for mounting an HGFS share on an Ubuntu 16.04 guest running on a Windows host in VMWare Workstation 12?

I'm trying to change the permissions of the mount so that the owner of all files/folders in the shared folder residing on the Windows host doesn't default to root. I've found this ...
0
votes
1answer
51 views

Unable to install Ubuntu

I'm tying to install a fresh Ubuntu 15.10 distro on my laptop. I boot my pc from the usb with the Ubuntu installer, On the GRUB menu, I select test without install, but when it reachs the screen where ...
0
votes
1answer
25 views

SVN connection refused (Ubuntu)

I'm trying to check out my repository, but it can not connect to my project archive and refuses the connection. When I try to checkout in Uni it works, but not at home. I tried to change the ...
12
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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 ...
0
votes
1answer
2k views

update-rc.d squid3 init.d init weirdness

sudo service squid3 status works, implying squid is in upstart. However a listing of services using sudo service --status-all does not show squid. Neither does sudo update-rc.d squid3 defaults ...
0
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0answers
21 views

Ubuntu 16 stop lightdm and start xinit/xterm

I am working with Ubuntu 16. I have been able to stop the desktop environment using: sudo service lightdm stop Now I would like to start, from another terminal in a console environment, the X ...
1
vote
1answer
31 views

Increasing a Volume

I used Gparted Live cd to resize a volume group and logical partition when i reboot and try to use lvextend –l +100%FREE /dev/vda5 i get this message : Path required for Logical Volume "–l" ...
1
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0answers
21 views

Apt-get error : Writing more data than expected (7643558 > 7643216)

I am getting some weird errors with an ubuntu docker container: "Writing more data than expected (7643558 > 7643216)" Retrying the operations succeeded. I got this several times. I am running the ...
2
votes
1answer
31 views

Run Firefox automatically on logon - with usual profile

I want to run Firefox (and Thunderbird) automatically on logon. I thought I had a solution - which is running "Startup Applications" and adding an entry for Firefox to execute: ...
0
votes
1answer
16 views

How to auto-mount shared SMB folder on logon?

I'm using Ubuntu 14.04. When I log on I see in the Files manager (near the bottom) this: I routinely click "Connect to Server" and then see this: I then double-click those and they are ...
1
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0answers
18 views

How to rename boot options with dual boot

I have Ubuntu and Windows 10 installed side-by-side, and the BIOS tool that's installed on the computer is called "Aptio Setup Utility". How can I rename the boot options, not just for the OS I'm ...
0
votes
0answers
25 views

CentOS “mount.nfs: access denied” to Ubuntu NFS server

I have a NFS server on Ubuntu 14.04.4 and NFS client on CentOS 7; can this work? I keep getting a "mount.nfs: access denied by server while mounting" error. I've tried turning off the firewall on the ...
4
votes
2answers
2k views

chrt(): “failed to set pid XXX's policy” on one machine, but not others

I have several Linux machines, all of them running the same kernel (Ubuntu 12.04, 3.5.0-45-generic). On one of them, I am unable to use chrt at all. If I attempt to use it on a new process, I get the ...
1
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0answers
21 views

Finding information on a builtin module [closed]

What does the builtin module called module do? $ cat /lib/modules/$(uname -r)/modules.builtin Doesn't show module as being a builtin module. $ modprobe module -v builtin module Looking at the ...
1
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0answers
21 views

Android-x86_64 installer does not boot in QEMU/KVM - EFI Shell appears instead

I downloaded Android x86_64 5.1-rc1 as bootable img installation image. I want to install it to a virtual machine running on Ubuntu 16.04 64 bit with UEFI using QEMU/KVM and virt-manager as graphical ...
1
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1answer
32 views

Apricity OS not show in grub

I have Ubuntu 16.04 installed ( updated through 15.04 -> 15.10 ) . and Windows 10 Dual booted along with it . I tried to Apricity OS rc1 ( md5sum -> 58ad9c6172a2f45e31bd756d83107058 ) to my laptop ...
2
votes
1answer
9k views

minicom showing offline

I am trying to use minicom in Ubuntu. To do this I first connect my USB to DB9 converter, then I type this command on terminal dmesg | grep tty to check if my USB to DB9 converter is connected ...
0
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0answers
28 views

FreeBSD or simply Docker for my old Linux server?

I have an old obsolete server running a Linux Red Hat server 5.9 and inside a special software for a power plant control and I've been asked to replace this server as not so much spare parts are in ...
1
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3answers
67 views

No more disk space, nothing eating my disk. Why?

I had 100% of disk use on /dev/xvda1 Which is the system partition, so I decided to mount /var/lib On another partition /dev/xvdf since docker files under /var/lib were eating much space. ...
1
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1answer
44 views

Openvpn exclude ip in pool

I have an OpenVPN server running on a Linux Ubuntu box. Multiple clients connect to this server (500+) and that is why I set the server-bridge option like this: server-bridge 10.0.100.1 255.255.0.0 ...
4
votes
1answer
962 views

Procmail: Denying special privileges for “/etc/procmailrcs/default.rc”

I'm trying to setup postfix, dovecot and procmail to work together with virtual users. In the end I want to have virtual users and the possibility to add rules to sort incoming rules. For the last ...