Questions about improving the performance/speed of Ubuntu. Note that this is a general tag, and should be accompanied by another tag indicating what kind of performance you are referring to.

learn more… | top users | synonyms

3
votes
1answer
454 views

How do I get Perfmon support for my kernel?

I would like to install perfmon for using performance monitoring events on my Ubuntu 10.04 LTS server machine. I have read that Ubuntu kernel 2.6 comes with perfmon support. However, as we can see ...
0
votes
3answers
3k views

Why is my boot time slower after upgrade?

My Ubuntu 11.10 boots very slowly after I do a clean install into my desktop HP Pavilion with the following specs: Intel Core i5-750 4GB of RAM NVIDIA Geforce GF315. How can I fix this? I compared ...
1
vote
1answer
762 views

Youtube Videos (1080p) Very Laggy

Can't play 1080p videos on Youtube but they play flawlessly on Windows 7. Any suggestions/help? CPU: AMD Turion 64 x2 1.8GHz, 2GB Ram and ATI HD 3200.
6
votes
11answers
2k views

Desktop runs very slick, animations are all fast and flawless. Moving windows around, however, is very laggy. Why?

This isn't a question about Ubuntu being laggy in general - not at all, in fact, it's very slick and fast for me. Clicking the "Workspace Switcher" in the dock performs the animation immediately and ...
2
votes
1answer
637 views

How can I speed up the software center?

The Software Center in 11.10 is much slower than it was in Natty, and on my five years old machine it often becomes unresponsive. What can I do to make it run faster?
2
votes
3answers
834 views

Is Ubuntu 11.04 slower?

Recently, I did the upgrade for Ubuntu 11.04 and I have a much longer startup, as well as time to launch some programs. Can this problem be solved?
2
votes
0answers
88 views

Where do I look to find out why it takes so long to log out of Ubuntu now that I have upgraded to 11.10? [closed]

Now that I have upgraded to 11.10, the logout process takes AGES (2 minutes+) and sometimes pops up a box stating that my keyring was not unlocked and asking for the unlock password. Any suggestions ...
1
vote
0answers
700 views

Ubuntu unlock screen is “checking password…” too slow [closed]

Question When I don't use my laptop (with Ubuntu 11.10 (x64) and Unity 2d) for 5-10 minutes, it automatically locks. After that, when I'm trying to unlock it, it asks for the password. After I enter ...
3
votes
2answers
3k views

Slow and Laggy Animations

Why are my animations laggy and slow on my laptop? AMD Turion tl-56 and HD 3200 with 2 Gig Ram.
0
votes
2answers
571 views

Unity Doesn't run after upgrading via xorg-edgers

After doing the xorg-edgers upgrade, I can't log into unity but I can access gnome 3. Any reasons why. The performance boost is amazing but I don't want to go back to the old drivers. unity 2d works. ...
11
votes
6answers
17k views

How much faster is Lubuntu? [closed]

Will I notice performance increases if I switch to Lubuntu? In what areas will I see the most significant changes? And in what areas am I unlikely to notice any? Would switching to Lubuntu be ...
0
votes
1answer
332 views

Ubuntu 11.04 still slow after upgrade

I had an amd athlon tf-20 cpu which was a single core that ran at 1.6GHz, 2 Gig ram and an HD 3200. Unity runs slow as hell. I upgraded my cpu to an amd turion tl-56 dual-core which runs at 1.8GHz, ...
2
votes
2answers
3k views

Performance problems with FGLRX driver

I have moved from ubuntu 11.04 to 11.10 today and I am not impressed. I expected more in this version. There is some improvement but also many bugs. It works very slow for me. Graphic is very very ...
1
vote
1answer
2k views

Performance is crucially slow and very lagging

Linux Ubuntu 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC 2011 i686 athlon i386 GNU/Linux Hardware config is AMD Athlon Processor and 500 GB harddisk with 2GB RAM this is my system config. ...
7
votes
2answers
3k views

How to restore/change Alt+Tab behaviour/ram usage and a few other things after Ubuntu upgrade from 11.04 to 11.10? [closed]

I use Ubuntu for programming. I recently updated it from 11.04 to 11.10. There are some things I don't like in the new version of Unity desktop interface. I don't actually know if it is hard to ...
12
votes
5answers
20k views

Unity runs slow, how can I improve its performance?

I like how Unity looks but I have 2 problems: Unity 3D When I login with Unity 3D, my pc becomes slower, I got an AMD II X3 with 2GB of RAM, Nvidia Gforce 6150SE nForce 430/PCI/SSE2 integrated. When ...
1
vote
3answers
2k views

Slow shut down on a Dell Inspiron 15R [closed]

I have a notebook Dell Inspiron 15R (core i3, 6GB and Intel Graphics card), had Ubuntu 11.04 installed and have just upgraded to 11.10. Everything looks about the same except for shutdown which is ...
6
votes
3answers
3k views

Ubuntu feels slow after 11.10 update

I recently updated Ubuntu to the latest 11.10 version. For some reason since the update Ubuntu reacts slowly. For example, when I drag a window there is a delay in the movement, when I write text it ...
4
votes
2answers
4k views

Slow/laggy desktop effects with Nvidia card

I've installed Oneiric from scratch (didn't upgrade), and I'm having troubles with desktop effects: Unity is very slow - whenever I click on the workspaces icon, I either get no animation, or the ...
1
vote
5answers
7k views

Ubuntu 11.10 network speed [closed]

Just upgraded to 11.10 from 11.04 . My internet speed is VERY slow now. I did a speed test with two similar laptops. The one running windows has a download speed of 14Mb/s while the one running Ubuntu ...
1
vote
2answers
7k views

How to improve performances [duplicate]

I have seen this question, but that question seems to be obsolete with the 11.10 version. Last week, I upgraded from 11.04 to 11.10. I am usually using gnome desktop clasic (without effects,also ...
4
votes
0answers
2k views

How do I improve boot time? [duplicate]

Possible Duplicate: How do I improve boot speed? I Have read many question on this but It is all about disabling startup daemons/programs. Since then I have installed a lot of programs and ...
4
votes
1answer
1k views

Can I lower the graphical strain of GNOME Shell?

Is there some way of configuring "No Effects" in the backend of GNOME Shell to get less memory/CPU overhead from graphical applications? I don't dare to turn on Metacity compositing due to this: ...
1
vote
2answers
550 views

Installing 11.10 Beta 2 from USB very slow [closed]

I am trying to install ubuntu on an older tower PC I have from USB, Its horrible slow, I can bear with the waiting at the boot screen for 5 minutes but when I get into the install menus it takes for ...
5
votes
3answers
2k views

Ubuntu sometimes starts swapping like crazy for no reason

Every once in a while, my Ubuntu starts using the hard disk like crazy, and for 3 minutes I can't move the mouse nor access any console, even CTRL-ALT-BACKSPACE and CTRL-ALT-F1 do nothing. It is ...
1
vote
2answers
421 views

Show desktop works slow, and not so perfect [closed]

On Ubuntu 11.04 with unity, super + D shortcut should minimise all windows and show desktop. This works with few windows, but as number of opened windows raises, the slower it gets, and sometimes it ...
0
votes
2answers
618 views

How to measure single app CPU usage over time?

I'm doing some performance test for apps in Ubuntu. Is there a nice way (or an application) to measure the CPU usage of a single app? I would be great if it was also possible to create charts of CPU ...
3
votes
1answer
140 views

How do I enable submission of performance data in Firefox 7?

One item in the release notes of Firefox 7 reads Added an opt-in system for users to send performance data back to Mozilla to improve future versions of Firefox This is feature is also called ...
6
votes
2answers
1k views

Slow installation of applications in Ubuntu Software Center?

I have installed Ubuntu 11.04 desktop and I am in the process of learning. I want to install some applications from the Ubuntu Software Center, but the installation process is quite long and slow. ...
2
votes
2answers
773 views

How will upgrading my hard drive affect performance?

Below is my cpu information and i run ubuntu OS with 1 GB RAM with 80GB HDD. Currently i am happy with the performance of Ubuntu 11.04. I am planning to upgrade to 500GB or 1TB HDD. Is it good idea to ...
0
votes
1answer
2k views

I request any troubleshooting for the audio in Webex

I have Ubuntu 10.04 in Toshiba NB255-SP1002M 32 bits mini-notebook. I have installed Webex and its plugging sun java 6k and another utilities, following the next indications: ...
0
votes
1answer
163 views

Have desktop load first after login before loading the indicators

This is weird. My laptop which is newer and faster by over twice as much than my desktop, and 64-bit nonetheless VS 32-bit, seems to boot slow compared to the latter. What is even more weird is that ...
1
vote
4answers
3k views

Which has better compatability, NVIDIA or Intel Graphics?

I would like to buy a Thinkpad T420 and install Ubuntu. THinkpad T420 comes with an option of choosing between NVIDIA NVS 4200M Graphics with Optimus Technology, 1GB DDR3 Memory and Intel HD Graphics ...
5
votes
1answer
1k views

Laptop's hard drive doesn't really spin down

I have a new laptop with dual boot to both windows 7 and ubuntu 11.04. While in ubuntu, the laptop gets significantly warmer than in windows. My suspect is the hard drive, because I feel it's ...
12
votes
3answers
3k views

Is Gnome 3 lighter than Gnome 2?

As we are going toward Gnome 3, I would like to know what to expect. May be a more responsive desktop, faster startup of apps? Or should I start to thinking in another DE if performance is a concern? ...
2
votes
1answer
2k views

USB data transfer rates lower than expected

USB "data transfer rate" on Ubuntu 11.04 is 13MB/sec. This should be about 5x that for USB 2.0. Anyone have a clue why I am getting USB 1.0 speed out of a modern mainboard with zero USB 1.0 ports and ...
6
votes
1answer
381 views

Is Firefox 6 performance worse in Ubuntu than upstream?

It has been said that Firefox 6 will perform better than previous version because it compiles with a newer version of GCC, version 4.5, and aggressive optimization. When I updated to Firefox 6 in ...
0
votes
2answers
520 views

Updating multiple Ubuntu machines [duplicate]

Possible Duplicate: Best way to cache apt downloads on a LAN? How to set up an apt-cacher server? How to update multiple Ubuntu machines in a LAN quickly and efficiently saving network ...
4
votes
2answers
2k views

What differences do I need to know choosing between ext4 and NTFS (Performance etc)

I understand that ext4 if faster than NTFS. But whats the speed difference if its like < 20MB/s, perhaps its better to use NTFS for convinence? What are the other implications of this apart from ...
15
votes
3answers
12k views

How can I measure the execution time of a terminal process?

I'm trying to measure the execution time of a process that I call via the command line (i.e., I want to find out how long it takes to for the process to finish). Is there any command that I can add to ...
6
votes
1answer
1k views

How to speed up Evolution

I have a moderately big Inbox file (around 2.3Gb) and Evolution takes a lot to start (it takes over 2.5 mins until I can perform any action -read or compose mail, for instance-). During that time, the ...
0
votes
1answer
571 views

Why is my laptop's wireless Internet connection slow?

I'm sitting on the same level as my wireless router but still the internet is acting pretty slow. PING any-fp.wa1.b.yahoo.com (69.147.125.65) 56(84) bytes of data. 64 bytes from ...
19
votes
3answers
3k views

What in /home would benefit from being on an SSD?

In Is a 40GB SSD practical to use for ' / ' Jorge describes how he symlinks directories in his /home that would benefit from being on an SSD. The directories he names are ~/.cache ~/.config ...
2
votes
4answers
457 views

Getting a new hard drive - Running Linux/Windows in a Virtual Machine

I don't want this to turn into an argument about linux/windows. Please try to answer this objectively I'm getting a new hard drive today and my current setup (on this machine) is running Windows with ...
4
votes
2answers
847 views

How to troubleshoot and tweek unreasonably slow wireless connection?

I've just acquired a USB F5D8053ed Belkin adapter and it is unreasonably slow. Details of how I installed the firmware and device driver are described in this AU Question. I believe there is either ...
6
votes
2answers
8k views

Switching mdadm to an external bitmap

I've just read this in another post about improving RAID5/6 write speeds: After increasing stripe cache & switching to external bitmap, my speeds are 160 Mb/s writes, 260 Mb/s reads. :-D ...
3
votes
1answer
516 views

Downloading large files hangs system

When Im trying to download large files, i.e. 1gb or more under FireFox, first of all it starts with very big download speed and in few seconds in almost get up to max (~11 MBps). It is downloading ...
10
votes
1answer
3k views

How do I improve my server disk performance

I have an HP Microserver running Ubuntu 10.04 LTS. It's a low power server with 5 internal drive bays. I use it to backup my remote servers, VPSs and local laptops over the network. I want to get the ...
1
vote
1answer
562 views

Turn a mac mini g4 - 1.4 ghz, 2 gb ram - into a home server

I'd like to build a small home server (backups, download station and media server with dlna). Anybody knows if this spare mac I have is worth for the specified jobs using Ubuntu Server (I've already ...
6
votes
1answer
1k views

Unity is slow and laggy on my PC

I love Unity but its performance is slow and it always lags when I multi task. I have 512 MB of RAM. Please help me, I want to do my work smoothly with Unity.