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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0
votes
1answer
36 views

I only have 1GB of ram, what can I do to improve the performance on my 32-bit 14.04 system? [duplicate]

I'm running a fresh install of Ubuntu on an old iMac. It was going painfully slow on OSX so I wiped that and installed Ubuntu overtop of it hoping it would speed things up a bit. I'm not going to be ...
0
votes
0answers
25 views

LibreOffice (Calc) consumes all of the available RAM memory

I am having problems with LibreOffice's memory consumption. It didn't change much since 12.04 - I have tested it in Ubuntu 12.04, 13.04, 13.10 and 14.04 and didn't notice any significant differences. ...
-2
votes
0answers
56 views

Firefox is hanging on 14.04 [on hold]

I installed Ubuntu 14.04 few days back.I am using a default Firefox browser given by Ubuntu. If i tried to open more than 3 tab or 4 tabs , sometimes Firefox hangs for a few seconds and my screen ...
2
votes
2answers
4k views

How to set cpufreq governor to performance?

I am on Ubuntu 13.04 64-bit. I have heard that setting the cpufreq governor to performance will, well, increase performance. Unfortunately, I am a bit of a newbie at this sort of thing, and I am not ...
21
votes
5answers
16k views

Why most people recommend to reduce swappiness to 10-20?

I have seen in several site which recommend to reduce swappiness to 10-20 for better performance. http://community.linuxmint.com/tutorial/view/998 ...
0
votes
1answer
217 views

What broke Firefox? After upgrade to 14.04 Firefox plugin-container eats 179% CPU

After my recent upgrade from 13.10 to 14.04 Firefox plugin-container eats 179% CPU, even after disabling all plugins and restarting the browser. Before the upgrade I did not have this problem, though ...
1
vote
0answers
17 views

Total system failure on ubuntu 14.04

I have a Lenovo ThinkCentre that just had Ubuntu 14.04 installed on it. I installed restricted extras, attempted to turn on the firewall in the terminal, and made a few extra tweaks. Now there is a ...
2
votes
1answer
1k views

very high IOWait + extremely slow hdparm -tT

I have been running 12.04 on my Fujitsu Siemens Lifebook E751 for almost a year without any problems, and then several days ago I noticed a very high CPU IOwait that makes the system poorly responsive ...
14
votes
10answers
5k views

Long wait time on login

When I log in on my server I get this: No mail. Last login: Fri Nov 5 14:22:45 2010... then I must wait for 5 sec and then is ready... wolfy@ubuntu-server:~$ Is this wait time normal or should ...
0
votes
1answer
70 views

Getting URL of YouTube video with `youtube-dl` is slow, without downloading video

I want to get the URL using youtube-dl, and the "simulate" option -g that does not download the video. So I gave the following command: youtube-dl -g https://www.youtube.com/watch?v=k4JGSAmu4lg ...
0
votes
0answers
108 views

Radeon R7 M260 & Proprietary Drivers: Bad Performance

I recently bought a Dell Inspiron 5547 laptop and installed Ubuntu 14.04 on it. Almost everything worked great out of the box. This laptop comes with two graphic cards, an Intel HD Graphics 4400 and ...
0
votes
0answers
88 views

IPSec Offload support in 82576GB controller for Linux

Due to migration of servers to cloud computing, we bought several NICs that support mechanisms like SRIOV and VMDQ. Furthermore, as security risk was also a concern and we did not want to create more ...
1
vote
0answers
39 views

Problems with external harddrive (USB 2.0)

I recently installed Ubuntu 14.04. LTS on a Compaq Presario CQ 60. After having a few problems, I managed it to run more or less stable (freaking Nvidia problems are more or less resolved by using ...
0
votes
2answers
287 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. ...
1
vote
1answer
30 views

New 14.04 Install on Workstation - Suggish Performance

Machine Details Dell Precision M4800 Laptop Intel i7-4900MQ Nvidia Quadro K2100 16GB Memory 240GB SSD Hi, I was running Windows 8 for a while but finally decided to make the switch to Ubuntu. I ...
1
vote
0answers
78 views

Ubuntu 14.04: very slow response from a 64 bit fresh install on 4 core server

I did a fresh install of Ubuntu 14.04 desktop version (64 bit) on the Dell quad-core (2.3 Ghz) AMD64 server with 8 GB of memory. The graphics card is NVIDIA CK8-04 Pro (System details says ...
1
vote
2answers
44 views

Ubuntu touch threads priority; Will Touch be as laggy as Android, or smooth like IOS?

Are there separate User Interface and Rendering Threads in Ubuntu Touch? In other words, will Ubuntu Touch be laggy like android or smooth like ios?
1
vote
2answers
3k views

Unity environment way too slow in Ubuntu 13.10

Unity and its apps open too slowly whenever I open one. It takes a while for them to appear completely. Everything works properly when the window is already open. The biggest problem is with the dash: ...
14
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 ...
108
votes
13answers
74k views

How do I optimize the OS for SSDs?

What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
0
votes
0answers
46 views

Ubuntu 14.04 Not recognizing GPU, EXTREMELY slow performance

I recently installed Ubuntu 14,04 on my Compaq Presario CQ62 laptop. Specs: 4GB 1600 MhZ DDR3 RAM Ati Mobility Radeon HD 4250 GPU AMD V120 CPU, 1 Core, 2200 MhZ I have installed Ubuntu using the ...
1
vote
1answer
75 views

Ubuntu 14.04 on Toshiba suddenly super slow

I have a Toshiba Satellite C55 with Ubuntu 14.04 with a 320GD HDD and 6GB RAM. It dual boots with Windows 8 (which I never log into). I usually completely shut-down the laptop only every 2 days. ...
0
votes
2answers
33 views

Do all the daemons indicated by configFiles/scripts/links in /etc/{init,init.d} start at the boot?

Are all the daemons (services) indicated by configuration-files/scripts/links in /etc/init/, /etc/init.d/ meant to start at the boot; so can I assume those directories being like start-up directory ...
9
votes
3answers
3k views

Computer running very slowly under 13.04

After having some bouts with windows 8 I decided to throw it out and run Ubuntu as the main operating system. Currently I am having some problems with performance: Even when running the simplest ...
0
votes
0answers
19 views

Kubuntu is significantly slow to start some of the programs in X window

I have Kubuntu 14.04. There is no performance problems other than this. Since the installation of the OS some programs like Dolphin, Gweview, Dragon Player and Muon Discover take a couple of minutes ...
0
votes
2answers
36 views

Slow performance after wubi install of unbuntu 14 with XP

I had an old XP pc that didn't seem like a good candidate for partitioning - various unmovable files and files that couldn't be defragmented. Pentium 4, 2.79 GHz , 1 GB RAM, about 30 GB free before ...
0
votes
0answers
70 views

lm-sensors ubuntu 14.04 core voltages

I am trying to measure the core voltages of my cpu. I installed the lm-sensors, I ran the sensors-detect and I reply YES to all of the question. At the end of the sensors-detect I get: To load ...
1
vote
0answers
38 views

How to make faster first search at Unity-Dash? Way slower than second one

After a reboot, first searching at Unity Dash will be slower than the second search, on my system at least. I guess this is because file index is cleared after a reboot and recreated as soon as first ...
12
votes
8answers
20k views

Is Xubuntu really faster than Ubuntu?

I installed xubuntu desktop on top of ubuntu 12.04. The usage of RAM and CPU is in general lower than in ubuntu. But when it comes to some serious computations I did not see much of a difference ...
1
vote
1answer
103 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 ...
4
votes
2answers
172 views

How to perform a CPU/disk intensive operation without drastically affecting other processes?

I am running a server on Ubuntu 12.04. The operation I'm trying to perform is a git clone, as part of a new backup system I'm implementing. The source and destination are both local, so there is no ...
0
votes
0answers
44 views

Google maps brings down performance, even after close

I'm using Ubuntu 12. Google maps are very slow on my laptop, but even when I close browser (Chrome or Chromium), the performance goes down significantly. It stops every 3-4 seconds for about a ...
0
votes
1answer
16 views

Ubuntu send alert mail if CPU usage continusly heigher than a certain amount

I need a way to send alert email if the CPU usage is higher than 80% for more than 5 minute. Installing new software on the server not allowed for me. Is there any way to handle it through a shell ...
0
votes
1answer
109 views

Ubuntu 14.04 running extremely slow !

I have installed ubuntu 14.04 on my 8 pc's . Those running on pentium processors are fine but not as stable as they should . Windows 7 used to run extremely smooth on them . App executes slow , and ...
2
votes
1answer
400 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
3answers
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 ...
1
vote
1answer
42 views

How to find if my hardware supported by Ubuntu? [duplicate]

It is better to let make sure if System can/will be worked effectively & efficiently. So, Before installing Ubuntu, I have question as follows: I want to know how can I find if my hardware like ...
0
votes
0answers
41 views

Ubuntu behaving very slowly: 2 hr boot time (ata1 hard resetting link / device reported invalid CHS sector 0)

I have a fresh install of ubuntu 14.04 as a dual boot with windows 8.1 on my HP Pavillion laptop. The windows 8 partition works fine (i.e. boots quickly, performs well etc). The Ubuntu partition is a ...
2
votes
3answers
557 views

Why does my system use so much cache?

Previously, on my desktop computer running Ubuntu 14.04, I had 4GB RAM, which I thought should be plenty. However, after being on for a while, my computer would seem to get slow. I have a system ...
1
vote
1answer
67 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 ...
0
votes
0answers
41 views

Configure samba to fully use a gigabit connection

Is there a way to configure Samba in a way so that it can actually fully use a gigabit LAN connection when only performing a single big (>10GB) file transfer? On several Ubuntu servers in several ...
5
votes
2answers
900 views

Ubuntu 12.10 64 bit Slow

I am new to linux and was wondering why launching applications is so slow. I've tried both Ubuntu 12.10 64 bit and Ubuntu 12.04 LTS 64 bit Computer Specs: Toshiba Satellite p755 CPU: Intel core ...
2
votes
3answers
5k views

Gnome shell slow on a fast computer

The computer is an EliteBook 8540w: ATI FirePro 5800 (using proprietary drivers) i7 720qm 8Gb RAM OCZ Agility III SSD Ubuntu is freshly installed (a week ago). I have set swapiness to 10. When I'm ...
0
votes
1answer
24 views

system.profile.find() command returns no results

I'm trying to run queries against MongoDB (in Ubuntu) and analyse the execution times. I think i've set the profiler up correctly, but when I run a query against it, i'm not getting any response ...
1
vote
3answers
53 views

Like “PerfMon” in Windows do we have something similar in Ubuntu?

If I want to capture performance log of a Ubuntu (or any other Linux Distro) Server/Workstation for a period of time, how would I do that? In Windows, I use something called PERFMON.MSC (LOGMAN.EXE), ...
2
votes
0answers
45 views

KVM guest performance impacted by very long virtblk disk wait times

I have several KVM guests running on Ubuntu 14.04 using libvirt. Their performance is very poor. The intermittent nature of the poor performance with an order of magnitude variability in simple ...
0
votes
3answers
788 views

Will unity stop being a plugin for Compiz?

I ask this as with the Unity Desktop running , when I try any games with my Ubuntu 12.04.1 I get so much frame rate drop with Unity and Compiz. If I switch to Gnome-Classic which uses mutter, I get a ...
-1
votes
1answer
196 views

Responding very slow while loading icons

I have just installed Xubuntu 12.04 x32 from a USB on to my hard drive. It installed fine, however now when I boot up and log in to my user, it seems to be rather slow -- notifications at the top ...
0
votes
1answer
39 views

Why is radeontop showing 0,00% in all fields?

I'm trying to get realtime statistics about my graphics card utilization, and the program radeontop is supposed to enable that. However, as you can see in the screenshot below, it reports all the ...
6
votes
5answers
3k views

Why is Ubuntu 14.04 so slow on my laptop? [closed]

I just installed Ubuntu 14.04 on a Dell laptop with 1.7Ghz Pentium M and 1Gbyte memory. Graphics are Intel® 852GM/855GM x86/MMX/SSE2, OS type is 32bit. The whole system is VERY slow. When I launch the ...