0
votes
1answer
25 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 ...
1
vote
1answer
45 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
1answer
70 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, ...
1
vote
0answers
20 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
0answers
19 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 ...
0
votes
1answer
96 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
0answers
91 views

Ubuntu 12.04 Sever is running slow and not using full ram

I have a ubuntu VM of 12.04 server virsion and it is running on centos. VM have 8GB of RAM and 1 core processor for it. I amd running following application on it hadoop 1.0.4 hbase-0.94.12 ...
2
votes
1answer
69 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 ...
0
votes
1answer
461 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
3answers
466 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
2answers
45 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
0answers
57 views

High Memeory usage on 12.04

System : Ubuntu 12.04.3 LTS (GNU/Linux 3.8.0-34-generic x86_64) I am using webmin to see the system since i am not a Linux Expert. Since last week there is an unusual memory usage in my system. Is ...
2
votes
3answers
171 views

No visible performance increase with Radeon 5450 and OSource drivers

I have been running my machine without GPU for a while with decent results (no lag for a decent internet use, videos read smoothly and 2D gaming is OK). But I decided to see what I could get with an ...
0
votes
2answers
104 views

What will be the diffrence in performance between i3 1st gen and i3 second gen on ubuntu 12.04

I was planning to buy a new Laptop. I am confused as on to take i3 first gen and i3 second gen. I will use Ubuntu and majorly use the laptop for writing code. Will there be any significant diffrence ...
0
votes
0answers
103 views

Ubuntu 12.04 Runs Slow, Boots SLow [duplicate]

Well I am new to Linux Environment (Hardly a Week) Just Threw away my Windows8 and started using Ubuntu 12.04 What i found difficult was its running slower, i wonder why although my laptop is Old ...
0
votes
0answers
256 views

I can't get Ubuntu Server 12.04/NginX to outperform Windows 2008 Server/IIS 7.5

I am determined to get NginX on Ubuntu Server 12.04 LTS to outperform IIS 7.5 on Windows 2008 Server. For comparison, I am using a Apache Bench and a simple (231 byte) html file. The Ubuntu server and ...
0
votes
1answer
240 views

Poor graphic performance with xfce 12.04

I have just installed ubuntu 12.04 and then replaced unity with xfce the way described here. Now the graphic performance are poor. The main two symptompts I see are 1. The graphics of some program ...
0
votes
2answers
403 views

Which version of Ubuntu Should I choose for these specs? [duplicate]

Well, I'm very confused on which version of Ubuntu I should download. First off, my specs are: Intel Core 2 Duo @ 2.4GHz 2GB DDR2 RAM @ 667MHz 250GB HDD GeForce 210 GPU 1GB GDDR3 And I'm ...
0
votes
0answers
169 views

NVIDIA driver fails after update on 12.04 using lenovo w520 laptop w/ quadro 1000m display driver

Im new to ubuntu and I am excited to start using it. I have been using it for a day now and am noticing that the OS is hanging a lot. I think this may be due to my display driver not being installed ...
0
votes
1answer
103 views

Poor Chrome performance in minimal xsession

I have Ubuntu 12.04 installed, and I'm trying to create a minimal Chrome browser only setup, and have tried adding our script that runs google-chrome to .xinitrc and running startx (this answer: ...
0
votes
0answers
85 views

Poor perfomance using 12.04

I installed Ubuntu 12.04 with all the updates needed from additional hardware and system in dual boot with Windows 7 to raise a little the performance of my PC. After installation, Ubuntu was slower ...
1
vote
1answer
142 views

Ubuntu being… not too fast?

Yeah I know there is enough of similar questions already - why ubuntu is slow and blah blah. But, seriously. I have pretty ok-ish specs - desktop PC with Intel i3 and 4 GB ram. When I'm on Windows I ...
1
vote
5answers
352 views

Switched from Windows XP to Ubuntu

I have a computer, below are the specs: RAM: 1GB DDR2 Processor: Intel(R) Celeron(R) CPU 2.53GHz Network Adapter: Intel(R) PRO/100 VE Network Connection (Ethernet) 500GB IDE HDD The computer is ...
2
votes
1answer
2k views

Extremely slow network transfers in one direction

File transfers from my home server (running Ubuntu 12.04 Server) to any other PC on my LAN (all running Windows 7) are extremely slow, but file transfers in the other direction (uploading to the ...
0
votes
0answers
109 views

KVM Windows 2008r2 Guest to Guest Network very slow on same host

I'm not sure if I'm submitting this to the proper place or not, if not, please direct me accordingly. At this point I'm starting to get desperate, I'll take any options or suggestions that spring to ...
0
votes
1answer
798 views

Messed up with sysctl settings on Precise. Is there a way to restore defaults?

In a quest to improvise internet speed on my slow broadband, I messed up with the below tcp settings in sysctl.conf after following instructions from here. I edited the sysctl.conf, performed "sysctl ...
1
vote
0answers
194 views

Which is the light one? Openbox or IceWM for ubuntu 12.04 LTS?

Which is the light one? Openbox or IceWM for ubuntu 12.04 LTS? i want to install on Ubuntu LTS, and i really need it because the hardware accelerate of unity 3D make my battery drain faster on ASUS ...
0
votes
0answers
74 views

server 12.04.02 LTS resources maxed out when idle. system freezes

I am having trouble with my dedicated server running 12.04.02 LTS. I have installed ffmpeg, apache2, and configured it to serve H264 video files. The server starts freezing when resources are maxed. ...
0
votes
0answers
864 views

Tweaking recommendations for SMC2108 / LSI MegaRAID SAS 9260-8i RAID adapter

OS: Ubuntu 12.04 LTS amd64 RAID Controller: MegaRAID SAS 9260-8i MySQL: 5.5.31-ubuntu Related post: ...
2
votes
2answers
625 views

My computer runs slower now on Ubuntu

Recently I have been noticing that my laptop's speed has decreased after installing Ubuntu. I am on a MacBook Pro and I have 4.2GHz and 4GB of RAM. I used to play games like Minecraft before on it ...
4
votes
3answers
3k views

Recommended testing tools to test MySQL performance?

What is the recommended tool(s) for testing the performance of MySQL 5.5 (innodb) under Ubuntu 12.04? We have purchased a new multi-cpu multi-core server to replace our current MySQL dual-core ...
1
vote
1answer
1k 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. ...
0
votes
2answers
828 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 ...
2
votes
1answer
833 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
votes
1answer
195 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, ...
1
vote
1answer
143 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 ...
3
votes
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 ...
2
votes
1answer
399 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
votes
1answer
371 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 ...
-1
votes
1answer
340 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 ...
0
votes
0answers
79 views

Slow boot: Why?

Im using Ubuntu 12.04 LTS I have a slow boot process. Specially since I log in until I can start actually using my Desktop (about 30-40 seconds). I have taken a look at the System Log Viewer, but im ...
2
votes
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 ...
3
votes
2answers
511 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
0answers
91 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 ...
6
votes
1answer
1k 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 ...
-2
votes
0answers
184 views

Will running Cinnamon on 12.04 slow down ubuntu? [duplicate]

I really like the Cinnamon interface ( already know how to get cinnamon on Ubuntu) Just need to know if it will slow down my computer. I use Unity on 12.04 Ubuntu As requested here are my computer ...
0
votes
1answer
2k views

Performance tuning/diagnotics help needed… (12.04LTS 64bit, LVM, & LUKS)

I just performed a fresh install of 12.04LTS 64-bit, using the alternate CD, with LVM and LUKS. Install went fine but I've noticed a few quirks and was hoping for some pointers/suggestions from the ...
1
vote
3answers
2k views

Why is my Intel SSD 520 so slow?

I'm running a fresh installed Ubuntu 12.04 LTS with ext4 on a SSD 520 by Intel. My mainboard is an ASUS Crosshair (latest BIOS 1207) with a Sil 3132 SATA Controller which claims to support SATAII. I ...
1
vote
1answer
125 views

Why is CPU usage higher in Windows 7 after installing Ubuntu 12.04 via windows installer?

For normal usage, CPU consumption is above 80% for windows 7. This happened only after installing Ubuntu 12.04 via windows installer. Why is it so?
0
votes
2answers
282 views

Cat 6 Only 100mbit speed

I tried two different cat6 cables directly connected between my two ubuntu machines. This one I ordered online: http://www.amazon.co.uk/gp/product/B002SQPDXS/ref=wms_ohs_product only achieves 100mbit ...