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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-1
votes
1answer
74 views

Does Ubuntu 14.04 LTS work with only 736MB of RAM? [duplicate]

I want to install it on my old desktop PC. here is it's specs: CPU: Intel Pentium 4@2.4GHz RAM: 736 MB VRAM: 256MB HDD: 120GB I can install the following OSes on it: Windows Vista Home Basic ...
5
votes
1answer
1k views

Whole system freezes, even TTY does not work [closed]

I upgraded from 13.10 to 14.04 and now after a while the complete OS freezes. I can't even go into TTY1 - TTY6. I have to use REISUB to restart my machine. Most of the time, it freezes when I use ...
1
vote
1answer
761 views

Virtual machine running painfully slow

I am running Ubuntu 14.04, and I've installed windows 8 on virtualbox. The problem is that it is too slow - even minimizing a windows takes 2-3 seconds. The reason I think this is a problem is ...
5
votes
2answers
483 views

intel_powerclamp: Start/Stop forced idle injection

I do not really knows when it started, i just upgraded from 13.10 to 14.04 and was about to do something about graphics performances (unity felt sluggish). That situation already lasted for 6 months I ...
3
votes
1answer
4k views

Ubuntu 14.04 just update and very slow

So I just updated from Ubuntu 13.10 to 14.04, and I noticed that my system (specifically animations and videos) are very slow. I disabled the animations, which helped. But its still working very slow, ...
2
votes
1answer
100 views

Mouse slow proportionally to network usage

Under ANY network loading the Logitech mouse gets slow. At download speeds of as low as 50KB/s, clicks are "grabby," a click will pick up an object and any movement will move it around. At rates above ...
0
votes
3answers
165 views

ubuntu 13.10 performance for 1 GB machine

I installed Ubuntu 13.10 to my desktop which has 1 GB main memory and AMD 64 bits CPU. It happens that the system freeze, applications not response sometimes and crashes a few times. I just learn ...
0
votes
1answer
74 views

Ubuntu 12.04 LTS Runs Slow

I am new ubuntu user. I am using ubuntu for web development. For that i have installed XAMPP for Linux,Ubuntu and Chromium Browser. But i dont know why it is too much slow. Help is needed. Thank ...
3
votes
1answer
21k views

Ubuntu 14.04 is too slow [closed]

After a successful fresh install of Ubuntu 14.04 (from USB flash drive) everything is much slower than in previous versions of Ubuntu on the same computer. It takes a few seconds to open a window or ...
2
votes
0answers
158 views

full disc encryption with SSD

I'm about to reinstall Ubuntu onto my laptop. If I use full encryption, which I desire, how will this impact performance of the SSD and FSTRIM? Will I still be able to use it or will it be ...
0
votes
2answers
67 views

Browsing is painfully slow

Either it's Firefox or Chromium - browsing is painfully slow for some reason. It just takes lots of time to do anything: open a tab, load a website, etc. My internet is really fast and other programs ...
13
votes
0answers
2k views

Is Wine what I think it is? [duplicate]

My first impression is that Wine is a simulated Windows environment which uses free (and presumably open source) libraries as an alternative to Microsoft's proprietary libraries. Those libraries ...
1
vote
1answer
543 views

Ubuntu 12.04 suddenly very slow

For some reason, my Ubuntu 12.04 recently became very slow. My specifications: HP laptop, core 2 duo T6600, 2.20 Ghz x2 Ati radeon 2 GB RAM Symptoms in Unity 3d: Dash takes endless to open ...
0
votes
3answers
98 views

Speed Up Ubuntu 13.10

Since i m new one to ubuntu. When using windows 8 OS, there are lot of ways to speed up the system performance. That is why i want to know what are the possible ways for best performance of system. I ...
0
votes
1answer
124 views

Ubuntu 12.04 runs too slow

I am a new Ubuntu user. I have installed Ubuntu 12.04 on my PC. My PC has been running much too slowly for the last two days. I tried to find a solution, but I am unable to find it. I tried Unity 2D, ...
2
votes
1answer
1k views

Lubuntu: laptop abnormally slow

My laptop is pretty new (less than a year) and has decent specs, but since 1/2 months it gets really slow even if I do things I could easily do before (development + browsing). This makes it ...
1
vote
1answer
271 views

System performance is extremely laggy when copying and extracting files

After a clean install of Ubuntu Gnome 13.10 (64-bit) and the according Gnome 3 (stable) PPA my system (Samsung 900X3C) is extremely laggy, when files are copied to the external hard-drive (HDD) or ...
11
votes
3answers
913 views

What is causing Ubuntu on MacBook Pro to have high CPU usage?

I installed Ubuntu 13.10 on a MacBook Pro 10,1. However, after installing, the kworker process consumes over 90% of CPU usage. I tried the following: (Suggested in this answer) Execute grep . -r ...
0
votes
1answer
187 views

Does running Office 2010 through Wine add a significant performance overhead?

Say you have have a computer with a data sheet similar to this CPU: 1.1 GHz Dual-core Intel Celeron Processor 847 RAM: 2GB HDD: 320GB (5400 rpm) According to the minimum requirements in Windows ...
2
votes
2answers
157 views

Ubuntu Studio for Ubuntu SDK

I have one of the strange question in my mind. I saw Ubuntu studio is good for multimedia related thing. I was wondering this thing for past few days. Is it possible to Install Ubuntu SDK in Ubuntu ...
0
votes
1answer
494 views

Acer Aspire One 725

I recently got an Acer Aspire One 725 and I want to install Ubuntu on it. I tried Ubuntu 13.10 32-bit and 64-bit, but I got a lot of errors, and it is running a little slowly. Has anyone tried to ...
5
votes
3answers
6k views

GUI Performance Monitor Tool

I need to monitor the performance of an Ubuntu 12.04 machine. I am looking for a tool similar to PerfMon on Windows. I need something more interactive that using top from a terminal ; I am looking ...
1
vote
0answers
84 views

RAID6 Ubuntu rebuild - how to calculate best parameters for fastest rebuild

I am doing a resync on a RAID6 array and I am looking at some 2 days to complete. I looked here for hints on how to speed it up, but I have, instead, managed to slow it down! HW details are: 10x 4TB ...
0
votes
1answer
469 views

Any way to get an AMD HD4250 Graphics to work in 13.10 with good performance? Mine gets slower until unusable

I have an ASUS M5A88-V EVO motherboard with an integrated AMD/ATI RS880[Radeon HD4250]. I am running Ubuntu 13.10 64bit and it seems to get slower until it is unusable. Especially the graphics ...
1
vote
0answers
97 views

Performance goes to Zero when RAM cache is full [closed]

This isn't a straightforward question as I've read that cached RAM will be released when needed. I have the hunch that this is not happening on my system (or something else is skrewed). I have a AMD ...
1
vote
0answers
199 views

Ubuntu in VirtualBox: improved performance and shared clipboard without Guest Additions? [closed]

The performance when running Ubuntu in VirtualBox is really bad for me without using Guest Additions. Guest additions also help with sharing clipboards. However, with Guest Additions, VirtualBox ...
0
votes
2answers
665 views

high CPU usage on Ubuntu 12.04

I just installed Ubuntu 12.04 on my Asus k53s notebook. Processor is Intel® Core™ i5-2410M CPU @ 2.30GHz × 4 5.7 GiB RAM. The CPU usage gets very high after a while, specially when using internet. ...
0
votes
2answers
3k views

Why Windows 8 is a lot faster than Ubuntu 13.10 on the same laptop? [closed]

I am not a Windows fan. I don't like Windows. But, for my curiosity, I temporally installed Windows 8 on my machine (a Samsung NP300, Intel Core i3, 4GB Memory). I observed that it's a lot faster ...
1
vote
1answer
161 views

Acer C7 Chromebook running 13.10 slow Performance Graphics?

I see others are having simiar issues but I haven't found a fix. Instead of the Intel fdriver, Ubuntu showing gallium driver. Honestly, the performance is sluggish, I wasn't even sure it was Video ...
1
vote
1answer
86 views

Help with ram usage

I have a dual boot laptop with 512 MB RAM running Windows XP/Xubuntu. I try to load student.portal.chalmers.se (a huge bloat site) in Firefox. On XP, I can load the site without any swapping, but ...
2
votes
1answer
115 views

Performance improvement of Ubuntu on soc board

I am trying to set up Ubuntu on soc board (Cubietruck) which has 8Gb flash, 2 Gb Ram, with external SSD - 128 GB. Currently I have installed the Ubuntu on hard drive. Its performance seems moderate ...
1
vote
0answers
50 views

Basics about Nvidia GPU and graphics performance

Well, I'm new in this OS, and I already love it. Before I had Win7 but I'm not coming back. I installed it yesterday in my laptop, a HP Pavilion dv4-1528la with a GPU Nvidia GeForce 105M. Installed ...
0
votes
1answer
4k views

Nvidia-settings PowerMizer performance-mode on 12.04.4 64-bit [duplicate]

Whenever I try to set the performance mode of my Nvidia 525M gpu from adaptive to performance, it actually works, but only until I reboot my PC. After a reboot/relog I have to do it all over again via ...
1
vote
2answers
123 views

Slow Performance on 13.04 - Expert Opinion Required [closed]

My laptop is Dell XPS M1330 Memory: 2GB Processor: Intel Core 2 Duo CPU T5450 @ 1.66GHz x 2 Graphics: Intel 965GM x86/MMX/SSE2 OS type: 32-bit Disk: 500 GB Updating myself since 12.04 and now ...
2
votes
3answers
2k views

High cpu use from init and yes [Ubuntu 12.04]

Today, I installed a fresh Ubuntu 12.04 LTS on my Sony VAIO VPCSB. I noticed a high cpu use of init and yes (as you can see below). top - 16:26:16 up 11 min, 2 users, load average: 2.71, 2.86, ...
0
votes
1answer
2k views

What services are safe to disable?

I'm configuring my own server, running Ubuntu 13.04. I'd like to speed up the OS a bit more by removing ‘unnecessary’ system services. Here is what I did: Install and start rcconf to check what ...
0
votes
1answer
26 views

Remove additional processes/services from Ubuntu server

I just installed PostgreSQL 9.1 and its packages: 'postgis and pgadmin' on Ubuntu Server 13.10. Now I'd like to remove any other processes/services on the server in order to improve its performance.. ...
0
votes
1answer
24 views

Speed of Ubuntu within Window

Just a quick question about performance within Windows of Ubuntu. After getting hold of a fairly old laptop, to test my websites created on a mac, and being subjected to endless pause and freezes I ...
0
votes
1answer
904 views

Terrible Luks/dm-crypt performance on 13.10 (Asus Zenbook, SSD, AES-NI supported)

I have a Laptop (Asus Zenbook UX31A) with 124GB SSD. I installed Ubuntu on a encrypted partition and started facing moments of temporary or permanent unresponsiveness. I suspected I/O and did some ...
1
vote
0answers
90 views

Window manager affects 3d performance - how to work around it?

I learned the hard way that enabling compositing VM will affect 3d performance. What can I do today to be able play games on linux with no performance penalty? I guess I could create user with ...
0
votes
1answer
42 views

Gimp “levels” editor starting up very slowly

During the last months, the "levels" editor (Color→Levels) was starting up slower and slower – but only when called up via the menus. Called up a second time by clicking the image (when it was the ...
1
vote
1answer
130 views

How vulnerable are you by installing a desktop on Ubuntu Server? [duplicate]

I've read around that installing an Ubuntu desktop on top of an Ubuntu Server provides security holes and performance issues. But I can't find anywhere as to describe what security holes would develop ...
2
votes
1answer
340 views

Why does rsync slow down my whole computer?

My powerful Linux desktop (12 core, 32GB RAM, SSD, fast processor, ubuntu 13.10) slows down to a crawl when I rsync from my internal drive to an attached USB3 NTFS drive. Typing any command, like "df" ...
0
votes
1answer
313 views

Iris Pro 5200 - performance when running on battery

I have a laptop from System 76 (Galago UltraPro) that runs the Iris Pro 5200 graphics . When I am running the system while plugged in the performance is great. I can play most games without ...
0
votes
4answers
184 views

Ubuntu running very very very very … very slow [closed]

My Specs Inter Core 2 Duo (2.7 Ghz) 1 GB DDR2 Intel Graphics Swap Memory 256 MB Its running too slow Single text file is not opening up in less than a minute Checked system monitor CPU and memory ...
2
votes
0answers
238 views

Poor Gaming Performance in ubuntu

I'm seeing a problem in Ubuntu 12.04 and later. When I boot into a video game like Half Life 2, I get massive lag (FPS drops) and my CPU runs at 100%. My system even lags for games like SuperTuxCart ...
0
votes
3answers
132 views

My PC crashes on Ubuntu

My Compaq PC with Ubuntu 12.04 used to work as it should when all of a sudden, the screen (along with the rest of the system) kept either freezing or crashing. By freezing, the screen keeps stuck ...
2
votes
0answers
159 views

System very slow except while running Smartmontools selftest

I am quite new to Ubuntu. I have a L430 Lenovo with i5-3210M CPU @ 2.50GHz × 4 , 4GB Ram, dual boot with Windows 7. HDD 500 GB TOSHIBA MK5061GSY. Every 10/15 seconds the HDD light turns on for 2-3 ...
0
votes
2answers
94 views

Appalling browser performance despite fast 3G connection

This is a recent problem that is making me punch holes through walls. Two points up front - My connection speed is fine. Using the various speedtest tools out there, it is consistently over 1mbps, ...
0
votes
1answer
235 views

By installing Ubuntu 13.04 on VMWare workstation 9 is running very slow on Host OS Win7 [duplicate]

I have Core 2 duo PC, 2.1 GHz and with 4GB RAM. I have Host OS Win7. I have nstalled Workstation 9 on it, and then Ubuntu 13.04 on to workstation 9. The working of Ubuntu 13.04 is very low. How can I ...