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.

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1answer
3k views

The most optimal operating system to host virtual machines

I have a laptop Toshiba Satellite A505 with following features: Intel Core i3 processor 8kB L1 cache, 64 kb L2 cache, 256kB L3 cache 4 GB RAM 500 GB HDD I have used many operating systems on it. ...
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2answers
752 views

Why is ubuntu so slow on windows 7 capable system? [duplicate]

I love Linux and I think it is the best OS out there, but for some reason it is noticeably slower than windows 7 on my machine. It hangs a lot, and none of the animations are smooth. It is a HP ...
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0answers
28 views

What are relevant disk benchmark settings for a desktop system [duplicate]

NOTE: This is not a question about which tools to use to fine tune disks. I am about to replace an HD with an SSD and also to fine tune some of the disk settings. Also, I might distribute my ...
-1
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1answer
149 views

Is this Ram usage normal?

My system is Ubuntu 13.04 64 bit + Unity and it uses ~600mb with no other processes-apps open and with preload 900mb, just the core system. Is this the expected amount? It seems a bit steep to me but ...
1
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1answer
340 views

Troubleshooting poor performance with ATI HD 5800 GPU

I am attempting again to solve problems between ATI Radeon HD 5800 series (5830) GPU and Ubuntu. Three months ago I posted: Display difficulties with Ubuntu 12.10, Dual Monitors, and ATI HD 5800 I ...
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3answers
8k views

Optimize Ubuntu 13.04 for netbook (Dell Mini 10v) [duplicate]

I have some slight glitches running Ubuntu 13.04 in my old beloved Dell Mini 10v. How can I optimize the graphics for it? It has got 1Gb of RAM and an N270 Atom processor. Very minimal graphics too. ...
2
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1answer
9k views

How to disable Ubuntu 13.04 Unity fancy visual effects?

Unity works very fast but pretty unstable on my PC (with Intel GMA X4500HD video card). For example the Ubuntu purple-black splash screen is stuck as the desktop background (changing it in the ...
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2answers
3k views

Bad 3d performance of intel ironlake

I'm using ubuntu 13.04 and got VERY bad 3d performance with intel ironlake comparing with a windows installation. Is there any way I can improve this? I already tried various paramaters of the i915 ...
2
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1answer
13k views

Ubuntu running slow on my good machine!

Its fixed now :) I just installed Ubuntu on my PC. I lag a lot. My pc runs all other OS' at high speed, but ubuntu lags like hell. It worked on my old laptop. My Specs: XFX AMD Radeon HD 7870 ...
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2answers
1k views

Poor performance for VMWare workstation 8.0 with Ubuntu 12.04 on ThinkPad w530

I am having ThinkPad w530 with 16 MB RAM and it has intel core i7 processor. I just installed VMWare Workstation 8.0 and I created a Virtual machine for Windows 7.0. The performance of the virtual ...
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1answer
267 views

Slow and freezy 13.04 system under Nvidia graphics

I have the same problem under 13.04, I have Nvidia C73 (GeForce7100/nForce 630i) and it freezes randomly when I use Unity icons, the system is pretty slow anyway. I tried the opensource x-org driver, ...
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1answer
2k views

Is it possible to use both SLI and two monitors at the same time on Ubuntu with Nvidia?

I'm completely and utterly baffled by my inability to use both SLI and a dual monitor setup, even with Nvidia's latest proprietary drivers. Now I have to choose between the ergonomic and productive ...
2
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1answer
2k views

How to Limit the CPU usage for a process and its Children wether there is another process demands resources or not

i was wondering about something like CPUlimit to limit the process CPU usage but i am aiming to apply the same percentage of usage for its children processes too automatically without adding them ...
0
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2answers
160 views

Reduced performance in bumblebee after 3.0 to 3.2 update

I had installed bumblebee 3.0 for my nVidia geforce 635M card in ubuntu 12.10 and got instant results - temp ad fan speeds reduced, batt backup extended to almost 6 hrs. (from 1.5-2 hrs earlier) and ...
1
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2answers
14k views

Performance problems with 13.04 and virtualbox [duplicate]

I just installed Ubuntu 13.04 (daily, full updated) and installed Windows 8 in virtualbox. When Windows 8 is running a have huge performance issues on Ubuntu. Last week I had the same setup with ...
11
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4answers
31k views

Unity 2D on Ubuntu 13.04? Or is it too fast to matter

I've consistently always needed to stick to older computers at home. I've tried both 'Unity2D' and '3D' on my present computer (Toshiba Satellite, ATI Mobility 4200 series GPU, can post lshw if it's ...
0
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1answer
229 views

Please help me speedup my Ubuntu 12

top - 08:28:09 up 12:59, 2 users, load average: 0.59, 0.47, 0.35 Tasks: 200 total, 1 running, 199 sleeping, 0 stopped, 0 zombie Cpu(s): 7.1%us, 2.7%sy, 0.0%ni, 88.1%id, 2.0%wa, 0.0%hi, ...
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0answers
2k views

GeForce 8600M GT: Nouveau performance better than proprietary driver?

After installing Ubuntu 12.10 on this computer, I installed NVIDIA's proprietary driver, since I might want to play a few games. I soon started having problems with video and audio. I'd be watching a ...
0
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1answer
44 views

Occasional latency spike between two servers

4 servers on a private network which all talk to each other using dedicated 1gbps network adapters. When I mtr from one to another, out of 100 requests, I'll get 98 that are 0.2ms or 0.3ms, 1 which is ...
1
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0answers
92 views

12.04 LTS YouTube laggy after update [closed]

I am using Ubuntu 12.04 LTS on a very old laptop, probably was made 7 or 8 years ago. It ran very good for a long time. However, after the recent system update YouTube videos on Chrome became ...
4
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2answers
117 views

Many games stuttery - nvidia

Many games I play are stuttery, (run at a fine fps, but pause randomly every second or so). This happens both when running a native game such as Amnesia, and a game through wine like LoL or WoW. ...
1
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1answer
148 views

Is there a user-friendly setup to reduce performance and fan thresholds?

My Dell Vostro 4450 with Ubuntu 12.04 started heating (>95°C) when its on heavy load and charging battery (sometimes it freezes in this conditions). When on heavy load but using battery, it stabilize ...
0
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1answer
951 views

Mysql very slow on (fast) development laptop

[Solved] Ubuntu 12.10 x64 new i7 laptop, mysql default installation. Importing a 6 MB dump file (a empty drupal dump made mostly of INSERT INTO statements) takes ~30 minutes, on other PC takes less ...
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2answers
1k views

defragmenting and increasing performance of old lubuntu system with swap partition

I am using the latest Lubuntu on an Intel Celeron 1.7Ghz and 512MB RAM. Lately system performance has deteriorated significantly. The hard disk is an 80GB IDE drive and we suspect it to be the ...
3
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2answers
2k views

How to monitor disk activity?

How do I view my Disk Activity on Ubuntu? For example, How can I monitor what is being written and read from disk as well as the percentage of disk usage? I am looking for an application similar to ...
3
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3answers
5k views

What alternatives to Nautilus exist which are more responsive? [duplicate]

I like Nautilus, but it suffers from lag when navigating between folders. I estimate the delay at somewhere between 300ms-800ms. Not much, but enough to notice and feel sluggish compared to Windows ...
3
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1answer
1k views

SSD tweaks for Ubuntu 12.04 cause Texmaker to compile a lot slower

I added these tweaks from Ubuntu SSD Tweak and Ubuntu Tweaks but now Texmaker is compiling slowly. Does someone know what tweak would be causing this? Or could I edit something unrelated to the ...
1
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1answer
84 views

What format is used in the LXC config file to specify control group settings?

I want to limit the CPU shares of available to two LXC containers running. It appears that this is done by adding the control group definitions into the LXC config file. But what's the format? The ...
8
votes
3answers
9k views

How to run Ubuntu without GUI in Virtual Box?

I have a Windows XP laptop, in which I run VirtualBox with the latest Ubuntu, my hardware is little old, so running the latest version of Ubuntu inside Virtual box is kind of a hassle, very slow ...
5
votes
1answer
390 views

Show files being accessed most in a short time period

So I've got a server that's struggling under the weight of several Wordpress installs. Things are relatively well cached (I am planning to improve things anyway) but I can quickly see that disk IO is ...
1
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1answer
117 views

Unity Dash extremely laggy

I'm running 12.04 64bit. I've been running gnome shell for a while and decided to give Unity a try. I logged out and back in with the Unity Shell selected. I noticed that, sometimes when I press the ...
2
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1answer
531 views

12.04 running slow on my machine

Hi I'm very new to Ubuntu 12.04 LTS and having installed it on albeit an old laptop I have found it to be very slow. I have a feeling this is more likely to do with my hardware but I'd appreciate any ...
0
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1answer
448 views

Will Ubuntu 12.10 or 12.04 Run Very Smoothly on My Computer Or Should I Go With Lubuntu?

I have a somewhat old computer with mid-range hardware. Here's what my computer has: 1.8 Ghz Willamette Pentium 4 256 Kb L2 Cache nVidia Geforce 6200 LE 256 mB DDR2 1024 mB DDR at 133 mhz 40 GB HD ...
0
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1answer
132 views

How to check the speed/problems of network-manager?

in between suspend and awake my system of course drops its wlan connection. Then once awakend from its suspend notwork-manager tries to reestablish the connection. All works fine , I think BUT: doing ...
2
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0answers
291 views

ubuntu 12.10 64-bit consuming 100% cpu power and high battery

I am new linux user, installed ubuntu 12.10 (64-bit) from wubi (getting boot option (windows7/ubuntu). But after opening ubuntu, laptop gets heat up, fan running very fast and performance is very ...
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1answer
486 views

AMD Athlon II x2 270 performance

I want to buy a new PC. I want to know how does this CPU works fine on Ubuntu. It's an AMD Athlon II x2 270. I'm not asking for a review. I just want to know if it works fine on Ubuntu, because I've ...
2
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3answers
571 views

Format partition to what block size for photos only

I have a lot of photos and am working on them extensively, mainly going quickly through them back and forth via a Photo Browser and also doing some work via scripts. Would that make sense to format ...
3
votes
1answer
2k views

Mir the X Server replacement [closed]

I read much about the X Server replacement Mir, but I am not quite sure which benefits it will have. Ok it is a newer technologie, the currently used X server uses code that is twenty years old or ...
1
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1answer
82 views

Several Questions regarding software on Ubuntu 12.10

So, i recently installed Ubuntu 12.10 but i have problems setting up my microphone, i got a creative sound-card and i already tried ALSA. Second i need to have adobe cs 5.5 installed for studying but ...
0
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1answer
408 views

How to remove performance lags while playing Ragnarok on Wine?

I have just installed Wine and PlayOnLinux. Its performance is very lagging when I run the game (Ragnarok) and type my username and password. How can I improve the performance and remove any ...
1
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1answer
42 views

Non-symmetric core load when playing a game

I play Serious Sam 3 on Ubuntu 12.10 amd64 with AMD Phenom II X4 955 processor. And all time I play it there was fully loaded only one core. Command mpstat 1 1500 -P ALL after some time gives ...
1
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1answer
907 views

System very Slow, Trying to find the bottleneck

I have Ubuntu 12.10 installed in Sony VIAO E Series VPCEH16EN, 4GB RAM, 320 GB HDD, Intel Core i3-2310M Processor 2.10GHz. It is a dual boot with Windows7 alongside with it. I see the system is very ...
0
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0answers
33 views

Ubuntu 12.10 - really slow performance [duplicate]

I'm very new to Linux/Ubuntu - just installed it on my PC today for the first time ever. It seemed like a great alternative to Windows 8 which annoys me. Unfortunately, even though the installation ...
2
votes
2answers
3k views

Unity dash terribly slow [duplicate]

Unity dash is very slow for me, and completely useless. It needs more then 5 seconds to open, and after that I cant type smoothly. It used to work better before, but probably broke with some ...
2
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1answer
2k views

How can I save my laptops battery from draining? [duplicate]

I am using ubuntu 12.04 (switched from windows 8 recently) and I am finding that this OS is draining my laptops battery like anything (works only like 70% of windows). I also found this interesting ...
4
votes
2answers
626 views

Ubuntu 12.04 is sluggish

I have a Lenovo G580 (4GB DDR3, ~500 GB HDD, Intel i3). I installed Ubuntu using the in-Windows installer on my Windows 7. Ubuntu was (and still is) slightly sluggish. By sluggish I mean, the OS GUI ...
1
vote
1answer
115 views

CPU performance decreases with AC power

I am doing CPU-intensive work on my Thinkpad X220 laptop and I find the performance bad. Interestingly, the CPU becomes more powerful if I disconnect the AC power and run only on battery! It does slow ...
0
votes
1answer
327 views

Ubuntu 12.10 on Asus Q200E is super slow, how to improve?

The primary symptom is that apps frequently freeze up, graying out. I've read that the gray is a visual signal from compiz for apps that have become unresponsive. It happens so often that the ...
6
votes
1answer
2k views

Assign more than 1 CPU/core to a process

I lost the password to open a PDF file I need to access, so I installed pdfcrack with the hope to recover my password. Actually it's one month that pdfcrack is running but I still am waiting for the ...
1
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0answers
67 views

Ubuntu runs terribly slow on my desktop [duplicate]

I have a Ubuntu 12.10 partition on my secondary SSD, while the bootloader and windows 7 partition are one another SSD. My desktop is a gaming rig running an Intel i5 3570k, ati Radeon HD 7870 OC, 8gb ...