For questions regarding the function of the entire operating system and issues that affect users system-wide.

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210
votes
38answers
112k views

How can I improve overall system performance?

What are your tips for improving overall system performance on ubuntu? Inspired by this question I realized that some default settings may be rather conservative on Ubuntu and that it's possible to ...
69
votes
11answers
53k views

How can I find the version of Ubuntu that is installed?

I installed some version of Ubuntu on my VMware, but I don't know what version exactly it is. How can I find it out?
4
votes
1answer
2k views

Super slow and laggy?

I'm a native Windows user, running 7 Home Premium atm. In the past I installed Ubuntu 10 on my netbook I believe, but was a bit 'scared' by it. Anyways, I made a partition on my desktop pc, 100gb and ...
16
votes
9answers
17k views

System Monitoring Tools For Ubuntu

I am looking for System Monitoring tools which are GUI and Cli or Web Based which include Basic Functions such as CPU Usage Ram Usage Swap Usage Disk Usage ( Space / I/O ) Heat Monitoring I know ...
9
votes
1answer
8k views

Where are passwords saved?

This is a weird question to ask, but where are the passwords saved? I mean they must be somewhere for comparing every time. So where are system and network passwords saved?
9
votes
3answers
2k views

Will Ubuntu One support OS Settings sync?

Being new to Linux and to Ubuntu, I've taken quite some time to tune it to my needs on my netbook. As I'm now convinced by the OS, I plan to install it on my desktop in the next few days. I was hoping ...
20
votes
1answer
13k views

What are “/run/lock” and “/run/shm” used for?

I just want to know where and how /run/lock and /run/shm can help our PC . $ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 56G 13G 41G 24% / udev ...
7
votes
5answers
32k views

How I do a system restore?

Problem I Faced I installed something that crashed my Wifi drivers that I compiled earlier. Un-installing the same package doesn't helped. Finally, I re-compiled my wifi drivers and things are good. ...
13
votes
4answers
5k views

What is the Linux drive naming scheme?

In Windows; you have the C:\ drive. This is the primary drive upon which Windows is installed. However, Linux uses a different naming scheme: sda, sdb[1-4], etc. Can anyone give me a brief outline of ...
5
votes
4answers
5k views

Find (and reinstall) packages with corrupted files (without breaking anything)

I usually prefer to fix a Linux system than to reinstall from scratch. My computers have seen many distribution upgrades and a list of PPAs or third-party repositories. APT usually makes sure that ...
7
votes
3answers
3k views

How can I can clone or ghost my system drive to restore it to a bigger HD?

How can I can clone or ghost my Ubuntu System drive to restore it to a bigger HD? Something like Norton Ghost does with NTFS or FAT on Windows.
4
votes
2answers
2k views

How to see what's going on during shutdown

Since a few weeks, Ubuntu freezes almost everytime when I shut it down. I know it because the shutdown animation stops and nothing is responsive: Ctrl+Alt+Del or AltGr+Syst+reisub don't make any ...
0
votes
1answer
6k views

How can I install Ubuntu in BlackBerry Playbook?

I have a Blackberry Playbook. I loved the Blackberry OS at first, but now I feel constrained by the lack of applications and functions. I assume that, by installing Ubuntu on my tablet, will give me ...
9
votes
1answer
3k views

Is there a way of leveling/compressing the sound system-wide?

As a Laptop user, I'm sure that a lot of people, even the ones using Netbooks would have already gone through this problem. Especially when listening to podcasts, and using it as an example, the sound ...
6
votes
2answers
6k views

Whats the difference between Unix, Linux and Ubuntu?

What is Unix, Linux, Ubuntu? Are they the same thing or different versions or completely different stuff? This has always made me confused, any explanation would be great.
5
votes
2answers
7k views

System log error when running Firestarter configuration program

Running latest Ubuntu ver. 11.04. Using Firestarter firewall configuration (ver.1.0.3). When Firestarter is run, an error message is returned, "Failed to open the system log. No event information will ...
4
votes
2answers
6k views

Appropriate size for / root partition

I'm about to re-install my system. I like to keep a separate /home and / root partitions. I've been using (K)Ubuntu for around a year now and my / partition (almost 36Gb) never climbed over ~13Gb of ...
0
votes
2answers
3k views

best way to backup a whole dual-boot system [duplicate]

Possible Duplicate: How to make a disk image and restore from it later? I finally have my PC exactly the way i want it, i have spent many hours installing and reinstalling Ubuntu and ...
8
votes
0answers
2k views

Is there a system-wide equalizer for PulseAudio or ALSA? [duplicate]

Possible Duplicate: Is there any Sound enhancers/equalizer? I often want to tweak the sound quality, but have found no other way than to install plugins for each piece of software. ...
3
votes
2answers
7k views

Got problem with installation. “No root file system is defined.”

I'm very new with Ubuntu and generally with linux. I saw ubuntu and it seems like this OS is really good and stable, and so I decided to install it alongside my windows 7 OS. I have a few problems ...
0
votes
3answers
1k views

Installed Ubuntu with WUBI, how can I completely remove Windows Vista?

I just installed Ubuntu 12.04.1 yesterday, and I'm happy with how it's working. I think I installed it as a dual system though, because Ubuntu and Vista shows up when the system boots up. I ...
38
votes
3answers
16k views

Dropbox error - 'echo 100000 | sudo tee / proc/sys/fs/inotify/max_user_watches'

Dropbox gives me an error that mentions echo tee 100000 but then it disappears. How to fix or remove msg?
31
votes
1answer
16k views

Differences between /bin, /sbin, /usr/bin, /usr/sbin, /usr/local/bin, /usr/local/sbin [duplicate]

I'm running an Ubuntu Server 13.04, but I see the same on a 12.04: I have six directories with command files. These are: /bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin What are the ...
9
votes
3answers
10k views

Security camera system server

I'd like to setup a Security Camera system which is captures and stores video streams into Ubuntu Server From 2 wireless Cameras. Which type of motion-detecting wireless camera you suggested? Are ...
7
votes
5answers
3k views

Ubuntu desktop suddenly points to home folder

As of now, my desktop has begun showing the contents of my home folder (~) instead of the contents of ~/desktop. I must have changed something, but I have no idea what, or what I was doing exactly ...
9
votes
2answers
406 views

Does changing the theme improve system performance?

I really have this feeling that after changing the theme on my Ubuntu (10.10 - but it also happened on a different version) the system is much quicker, or to say more precisely, the system is not ...
6
votes
1answer
3k views

How can I access system mail in /var/mail/ via thunderbird?

I've got cron jobs sending mail to my user at /var/mail. I know how to access that at the command line with the mail command. But, while a big command line fan, I do not like reading mail (even system ...
5
votes
1answer
1k views

How to disable hibernating?

Whereas many questions are geared towards implementing hibernation, mine is how to disable it. I've just encrypted my swap partition, and I such my system can still hibernate, but cannot resume ...
5
votes
2answers
2k views

How to mount all partitions at system startup

Hello I searched for this query(mounting all partitions on system startup) and found answer near to it. I added this command to startup applications "/usr/bin/udisks --mount ...
1
vote
0answers
132 views

“System Program Problem Detected” [duplicate]

Possible Duplicate: How do I enable or disable Apport? I have Ubuntu 12.04 LTS and it started showing "System Program Problem detected". I think it could be because my Windows is corrupt ...
0
votes
1answer
277 views

Running 12.04 on a Dell Inspiron 1545 having random system lockups

I just reinstalled a fresh 12.04 because I couldn't even get booted on my previous installation anymore. I just installed 8GB of ram on this laptop, but the problem happened even before this, and all ...
4
votes
2answers
480 views

Accidently deleted /usr/lib, how do I restore it?

I know this is something I shouldn't do, but it happened(Ubuntu 12.04.1 LTS) as a root user I deleted /usr/lib folder. Any ideas how to restore it?
4
votes
2answers
6k views

System Program Problem Detected

I have Ubuntu 12.04 LTS, fully up-to-date. I'm new to Ubuntu. Whenever I start my system I face "System Program Problem Detected." Why is this happening? I ran sudo rm /var/crash/* but it again ...
4
votes
2answers
792 views

proxy authentication in system settings but with a twist

We have a password policy that enforces the users to use special characters in their passwords. Hence some passwords will be Gt4@gj#k for example. Now to specify the system wide proxy settings (Why ...
3
votes
1answer
864 views

Grub won't load Windows 7 (unknown file system)

I recently installed 11.10 on a new partition on my Windows 7 PC, and it works perfectly. But when I want to boot Windows 7 from the grub boot menu, it just says unknown file system, grub rescue. ...
2
votes
1answer
110 views

Update has caused my system to start in text mode

Tonight My system informed me of an update, having preformed the update I was asked to restart the system. Now on start up I'm now presented with the linux console, asking for my user name and ...
1
vote
1answer
2k views

Lost 'System Settings' on Ubuntu Precise Pangolin x86_64

I am new here. I was facing issues with emacs-snapshot sourced from a PPA, so I tried following these instructions (blindly =/), and sudo apt-get remove `apt-cache search emacs | awk '{print $1}'` ...
0
votes
0answers
2k views

Running gnome system tools

I'm a sporadic Linux user, but haven't used Ubuntu for some years until a hard disk crash on my Windows laptop forced me into running Ubuntu off USB/DVD. I love the new appearance, but as ever the ...
0
votes
1answer
425 views

Ubuntu 13.04 random crashes

I'm having a problem which seems to get worse as time goes on. I'm having random crashes (image links at the bottom), It used to happen about once a week or so, but now it happens a few times a day. ...
0
votes
2answers
127 views

What does it mean when there is a path like /dir/dir/program.attribute?

In the question above i was trying to pose an example. I don't know how effective I was in doing so... I just want to understand how there can be what appear to be "hidden" files that exist. Are they ...
-1
votes
1answer
100 views

Where should I put newly build software? [closed]

I have been curious for a long time about software installation in Linux (Ubuntu). Because I am so used to Windows OS, every software is installed by some sort of 'wizard', usually I don't need to ...