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
2answers
303 views

SSD is more sluggish in Unity than my HDD on 14.04

I've been running Ubuntu 14.04 on my old Dell 6400 laptop with 2Gb RAM (max) with a small 60Gb HDD and Unity performance has been fine. Last night I dropped in a 128Gb Adata SP600 SSD and installed ...
-1
votes
1answer
216 views

Ubuntu 14.04 videos and games running slow

I have little problem with Ubuntu here. I was running Windows 8 and then i decide to make dual boot with ubuntu 14.04 (whitch is great system!) but when i boot to Ubuntu i have problems with system ...
0
votes
0answers
22 views

Difference between System monitor and free -h [duplicate]

I have a Lenovo T430 laptop with 3.7GB of RAM. Since I started using this machine I observe the following strange behavior. If I do a lot of things, say have rails server running, a few nodejs ...
2
votes
2answers
43 views

Find files that are heavily used in the system

atopsar -d 30 - shows that one of hard drive (sda) in the system is heavily used. Is there a way to know which files are heavily used on HDD?
0
votes
1answer
96 views

SSD performance testing

I'm testing the performances of my new SSD card, and it seems I'm stuck with sata2 speed even if my controller is sata3. Here is the command I'm using. dd if=tempfile of=/dev/null bs=1M count=1024 ...
0
votes
2answers
116 views

Low desktop performance with netbook

After installing latest ubuntu on my netbook (ASUS 1225c) I experienced major drop in responsiveness and frames per second on desktop. It seems that there is something wrong with video drivers. The ...
-1
votes
2answers
138 views

Disable unnecessary startup services and applications

What is the best practices to disable unnecessary startup services and applications? This post is very useful when i came to decide what to disable Which startup applications can I safely disable? , ...
0
votes
1answer
111 views

Xubuntu laggy/slow in brand new MBP host

I am using Xubuntu as a VM in both a Windows/PC host and recently a OS/X Mac host. The latter is laggy, especially when I use two monitors. It's weird cause the Windows machine is less capable (less ...
0
votes
0answers
50 views

Can't install Ubuntu 12.04 32bits on a modern PC - So slow!

I'm working on a project that only works on Ubuntu 12.04 32 bits. I've been given a modern computer to work with but the installation of Ubuntu is driving me nuts. The machine specs are: MoBo: ...
0
votes
1answer
95 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 ...
1
vote
2answers
370 views

How do Ubuntu flavors compare regarding resource consumption and performance?

Minimum requirements statistics do not provide enough accurate info to new and prospective users trying to determine a suitable flavor for their machine. People need to know if an OS will run smoothly ...
1
vote
0answers
22 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 ...
1
vote
1answer
408 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
468 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 ...
1
vote
0answers
81 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 ...
1
vote
2answers
75 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
0answers
239 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 ...
0
votes
0answers
111 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
248 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
0answers
68 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 ...
1
vote
1answer
103 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 ...
0
votes
2answers
43 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 ...
0
votes
1answer
540 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 ...
0
votes
2answers
84 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 ...
7
votes
1answer
293 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 (15 sec) than the second search (seems instant), on my system at least. I guess this is because file index is cleared after a reboot and ...
0
votes
0answers
97 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
0answers
104 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. ...
0
votes
1answer
48 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
260 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 ...
1
vote
1answer
65 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
109 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 ...
4
votes
2answers
201 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
127 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 ...
0
votes
1answer
38 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
142 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), ...
3
votes
0answers
121 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 ...
8
votes
5answers
19k 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 ...
12
votes
4answers
2k views

Ubuntu on low performance laptop [duplicate]

My sister has always wanted a macbook, but I recently convinced her that Ubuntu is a great OS with much more similarity to Mac OS than Windows. She said I can install Ubuntu on her laptop but it is ...
1
vote
0answers
696 views

Very high IOWAIT times

I have a large system - 128GB, a couple of RAID0 filesystems (6TB and 2TB) with an SSD cache, 8 cores (16 with hyperthreading), running Ubuntu 12.04 64bit. When I try to write a large file I get very ...
3
votes
2answers
152 views

Constant HIGH CPU Usage - even after reboot with no applications

Here is a PROBLEM, a lists of my ATTEMPTS to solve it, and a PLEA for help: [As indicated, I have read all similar 'answered' questions, and have not found an answer that works for me.] ...
0
votes
1answer
224 views

Ubuntu dead slow after last update

It's been a few days now. Everything is SLOW as hell. Going from a desktop to the next is slow. Unlocking my workstation kind of fades out the lock screen and fades in the desktop. The animation takes ...
0
votes
0answers
48 views

If I change desktop environment will I loose all settings and software I already have. Ubuntu to XUbuntu

I installed Ubuntu 14 (64bit) and later I found that Xubuntu is more lighter. I would like to have better performance than visually appealing UI. I work on ruby on rails and I have setup everything ...
1
vote
1answer
82 views

Curious about UnixBench results, is my HD configured properly?

I downloaded UnixBench 5.1.3 and ran it on both my old Dell 4600 and my newer Gateway SX2800. With a 2.4Ghz P4 the Dell gets clobbered on cpu tests by the Gateway with quad core Q8200 at 2.3GHz. The ...
0
votes
1answer
29 views

Testing multiple desktops simultaniously

Our college is installing new ubuntu installed systems for our lab.They want to test the performance of the systems.I googled some benchmarking tools but we have 250 systems to test,is there a easy ...
0
votes
0answers
240 views

slow hard disk Ubunto 14.04 ext4 on thinkpad dual boot

Ext4 - is it slower? Have a Thinkpad with 8GB drive , 4 processors. Intel® Core™ i3-3110M CPU @ 2.40GHz × 4 . Ubuntu 14.04 LTS with updates applied. File reading is very slow. IDE STS hangs when a ...
4
votes
2answers
290 views

Will performance be worse if I encrypt the entire Hard Drive / SDD?

If I use whole disk encryption, will I notice a drop in performance? And what about for a SSD? And I see that there is a option in my bios that enables Intel AES-NI does this have any effect on my ...
2
votes
1answer
50 views

When should a fresh install should be made [closed]

On my desktop at home, a 2008 Vaio w/4GB RAM and dual core processor running 12.04 LTS, I've been experiencing of late a perceived performance degradation. It's most apparent at startup but it's also ...
0
votes
1answer
68 views

responsiveness drops drastically when RAM get's full after upgrading from 13.04

Since I've upgraded from ubuntu 13.04 to 14.04 (and before 13.10) my system get's to it's knees when the memory get's full and has to start swaping.. Of course I know that a performance penalty ...
0
votes
1answer
71 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 ...
2
votes
0answers
284 views

SD card write speed not as advertised, on 14.04 at least

I bought a new SD card and the claimed performance is a long way from my benchmark. Is there something I can do improve the transfer speed when working with this SD card? Information on the disk: $ ...