Unanswered Questions

16
votes
3answers
2k views

Invalid argument - Brother scanner not working after upgrade (brscan2 driver)

I recently upgraded Ubuntu 13.10 (Saucy). Scanning via my MFC-420CN had been working in Ubuntu and Linux Mint installs up though Olivia and Oneric. However once I upgraded from these, scanning ...
12
votes
0answers
444 views

How to improve evince font smoothing?

I'm wondering if it is possible to change evince font rendering and make it render fonts like Adobe Acrobat Reader.
11
votes
3answers
466 views

Can bash get out of sync with the filesystem?

I may not be phrasing my question correctly, but I'll do my best to explain the symptoms I'm experiencing. First, for context, I'm running an Ubuntu server (no GUI), version 12.04.3 LTS (according the ...
11
votes
3answers
1k views

How to enable TLS 1.2 in Nginx?

How do I enable TLS 1.1 and 1.2 for SSL connections in my Ubuntu 12.04 server? I am using the following version of nginx and openssl library. $ ./nginx -v nginx version: nginx/1.2.3 $ openssl ...
9
votes
1answer
104 views

prevent java applications from creating tray icon

With Ubuntu 13.04 the possibility to whitelist (and consequentely blacklist) certain applications from creating a tray icon is gone. Since then the tray icons of Java applications and Wine icons are ...
9
votes
0answers
425 views

How do I enable Ubuntu to suspend the machine using LUKSsuspend during sleep/hibernate

I'm on Ubuntu 13.04 using full disk encryption (LVM on top of LUKS). I would like to incorporate luksSuspend into the suspend procedure (and later use luksResume) so that I can suspend to RAM without ...
9
votes
2answers
431 views

How to disable KDE's brightness OSD?

I am using lightum to automatically control the screen's brightness depending on the surrounding light (on a Retina MacBook Pro). The problem is, though, that KDE picks up the change and displays the ...
9
votes
1answer
163 views

slapd with back_sock does not create a socket

I have installed slapd on Ubuntu 12.04 and configured it with the following under /etc/ldap/slapd.conf: modulepath /usr/lib/ldap moduleload back_sock.la database sock socketpath /tmp/slapd.sock ...
9
votes
2answers
665 views

How can I map the Apple Magic Mouse two-finger swipe to a web browser's back and forward functions?

The Apple Magic Mouse appears to work with Ubuntu so far, but only a couple multitouch functions seem to work. With the trackpad, there are lots of other functions with utouch. What I'd really like to ...
8
votes
0answers
187 views

Howto configure MAAS to separate PXE traffic and IPMI traffic on different subnets?

I am trying to set up a part of our network as a linux cluster. Since its a little educational for me, I choose using MAAS with JuJu. However there are some questions that boggle my mind and I was ...
8
votes
2answers
2k views

OpenGL warnings with Ubuntu 12.04 LTS running as a VirtualBox Guest under Windows7

I have been using 12.04 as a guest on my laptop for quiet some time now and it works flawlessly. Today a colleague asked me about the 3D performance of the guest. It never came in my mind to use ...
8
votes
0answers
3k views

/usr/share/apport/apport-gpu-error-intel.py Error

I was on Ubuntu 12.10 and ran the system updates and after the re-install, the system became unstable and kept prompting me with the message "System Issue" and this as the error per Ubuntu ...
8
votes
2answers
144 views

Window is hidden but process is running

How may I restore the windows for a given pid? It would be useful in some situations where the window of a certain program disappears (happens to me sometimes). For example, every time when i'm ...
8
votes
2answers
19k views

Failed to get canonical path of /cow

I am trying to install Ubuntu 12.10 for quite some time, and passing hurdles one by one. Now I am in a situation as follows. I have got a PC and 10 GB HDD which will be totally dedicated to Ubuntu so ...
7
votes
1answer
245 views

asynchronous logging via rsyslogd(8) and write buffer increase

On a pretty high traffic web site running in virtual containers (VMware) and lacking local storage, we've managed to increase throughput (requests per second) significantly by switching from logging ...

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