0
votes
1answer
14 views

How to troubleshoot a program that does not start

I'm using Ubuntu Server 14.04 and I'm trying to execute a program, namely deluged. However, whenever I do so, whether in script or directly via the CLI, it never appears when I do ps -A | grep deluge. ...
2
votes
1answer
57 views

Why does computer hangs everyday?

My Linux computer hangs every day (sometimes twice a day). It also hangs my home network until the Ethernet cable is unplugged or I reset it. I can`t find any severe exceptions in log. This computer ...
0
votes
1answer
236 views

Computer freezes on cold boot

I have a problem which started about 3 weeks ago. Each time I boot my computer for the first time of the day, it will freeze around 1 hour after the boot. It happens independently of the OS in use ...
0
votes
2answers
513 views

Manually connecting to a wired network with linux

I currently only have wired internet via a cable modem connected to an Airlink 101 ASW105 switch. It works fine for my wife's mac. However, my laptop does not connect; I've tried connecting via eth0 ...
-2
votes
1answer
264 views

How to troubleshoot network problems after fresh install of Linux?

Almost every time I install Ubuntu on any laptop there are some problems with connecting to the Internet. After the last installation neither Ethernet nor Wi-Fi is working. What would be the steps to ...
0
votes
1answer
455 views

How flashplayer works in firefox for linux : flash player installation troubleshooting

I am using Slackware 14 and I installed flash player as in this blog post http://goo.gl/A0Yxf. According to which I simply copied the "libflashplayer.so" provided by Adobe to the firefox plugin ...
0
votes
1answer
4k views

CentOS 6.4 server no internet connection

I just installed CentOS 6.4 on my server. I've tried running sudo yum update and got the output Could not retrieve mirrorlist...snip...error was 14: PYCURL ERROR 6 - "Couldn't resolve host ...
3
votes
2answers
575 views

Arch Linux - dhcpcd messages at login screen

I have a fresh installation of Arch Linux, and I've enabled dhcpcd on eth0. However, the message output for dhcpcd startup appears after the OS is booted up and is at the login screen, so I get this: ...
2
votes
1answer
163 views

terminal tools and logs for debugging TCP issues

I have a server which I am testing for functionality (not load, not stress) with tsung. 50 users / second, 100 total users. Judging from tsung (tsung is the testing framework) graphs, there TCP ...
0
votes
1answer
506 views

Linux system cannot find RAID 10 md device after reboot of the system

I ran these commands: $ sudo mdadm --verbose --create /dev/md0 --level=10 --chunk=256 --raid-devices=4 /dev/sdh1 /dev/sdh2 /dev/sdh3 /dev/sdh4 $ echo 'DEVICE /dev/sdh1 /dev/sdh2 /dev/sdh3 /dev/sdh4' ...
2
votes
1answer
233 views

How can I set the CD audio volume in Linux?

In Windows 7 Control Panel -> Sound -> Sound Properties window there's an slider for setting CD Audio volume: And it's pretty strange that I can't find corresponding one in generic Linux mixers: ...
1
vote
0answers
233 views

Linux: X11 is using up 50% of one of my CPUs and lagging terribly

I have been running my Ubuntu Linux Machine recently on powerful hardware (much more powerful than my last machine at any rate) and I have noticed that after some time all of a sudden X11 starts to ...
2
votes
1answer
1k views

Ubuntu only boots with USB plugged in

I'm new to the Linux world so please bear with me! :-) I installed Ubuntu via USB drive onto my hard drive. If I boot the PC without the usb drive I used, Ubuntu will not load. After booting I can ...
0
votes
1answer
1k views

Cannot login to Linux server via SSH/Console

I got two computers with the exact same symptoms today: Both seem to be alive. They answer pings and they host virtual machines which are working. However, I cannot login via SSH. I get $ ssh -v ...
3
votes
2answers
5k views

What is an XPerf alternative for Linux and Mac OS X?

XPerf is a tool that allows you to take a detailed trace of various system activity like CPU, I/O and more... Because of it's detail you can see stack trace counts, disk position offset graphs, ...
0
votes
1answer
72 views

Linux behaves strangely

Sometimes when I'm doing something which is not much stressing for my PC. Everything stops and I can only move mouse. Even music stops which is in background after short moment. Do you know what can ...
1
vote
2answers
323 views

diagnose Linux boot problem with a live CD

I have a system running debian that won't boot after a kernel upgrade. I've tried several things on the system to get it to skip steps to boot, to no avail. I'm running a live CD on it now, and I ...
1
vote
2answers
746 views

Network stopped working on Ubuntu after system had locked up

My main PC has AN Athlon X2 4600+ on an Asus M2npv-vm. Has been working fine for ages running Ubuntu. Today it the system locked up and I had to do a reset. Since then it will not connect to the ...
1
vote
0answers
119 views

PC only boots from Linux-based media and won't boot from DOS-based media

I have this problem where the PC only seems to boot from a floppy disk or CD if it was created as a Linux-based bootable media. If it was created as a DOS-based bootable media the system just freezes ...
6
votes
2answers
2k views

Where to find Ubuntu One logs

Ubuntu one does not synchronize files since I upgraded from 9.10 to 10.04. The preferences panel keeps showing "Synchronization in progress...", but files are not downloaded from the repository. It ...
0
votes
2answers
2k views

Why does my screen turn black after installing ATI on Ubuntu 10.04?

I'm having a problem installing the drivers for my video card. I've just finished installing the driver, rebooted the OS, and the monitor starts up in energy saving mode and doesn't boot Ubuntu. What ...
2
votes
5answers
7k views

How to troubleshoot a hardware problem on linux?

Just to note I am not having a problem at the moment, but have had previously so it sparked my curiosity... When a computer locks up suddenly to so caps lock flashes incessantly and the only ...
2
votes
2answers
2k views

Lost root password on a ubuntu virtual machine

I lost the password for root on a ubuntu virtual machine. Is there any way to restore it or I need to install a new virtual machine with ubuntu again?
1
vote
1answer
2k views

How to install PHP without libxml2

When I run PHP 5.3.1 configure in my home directory, I get error message: configure: error: xml2-config not found. Please check your libxml2 installation. I don't have the root password on that ...
0
votes
2answers
417 views

USB resets with Ubuntu 9.10

Since the upgrade to Ubuntu 9.10 I have issues with getting USB device resets on my Maxtor OneTouch USB harddrive: Nov 9 20:54:37 localhost kernel: [32459.100021] usb 2-2: reset high speed USB ...
0
votes
3answers
129 views

What virtualization solution should I try next, after hitting problems w/ VMWare Player in dual-network setup?

I have been using VMWare Player 2.5 for a while (Ubuntu guest on Vista host, 32-bit). VMWare had worked great until now but then I hit a brick wall: Due to some reorganization of my home network, the ...
1
vote
2answers
382 views

Troubleshooting Ubuntu

In general; I am wondering which tools are good for fixing Ubuntu problems, or at least for finding out what they are? Specifically: My screen freezes all of a sudden. I can't click anything, but I ...
1
vote
2answers
2k views

How do I force a default gateway change? It seems stuck on 192.168.0.1 in Ubuntu

This has me stumped. I am connected to a college network, which requires me to have my MAC registered (Done, windows works fine). So, when I boot to Ubuntu, I try to access a page in Chromium, and I ...
2
votes
2answers
5k views

Troubleshooting failure to standby/suspend with Ubuntu Netbook Remix on Acer Aspire One

I have an Acer Aspire One netbook, which I'm using with Ubutu Netboox Remix 9.04. With a clean install, suspend seemed to be working fine. However, now that I've installed quite a lot of extra ...
5
votes
4answers
33k views

Partition table corrupted (USB flash drive)

It's an 8 GB Patriot thumb drive, which I've used extensively with lots of data. Today, it is detected, but all data is gone: (EDIT at least some data is still there, but the partition table is gone) ...
3
votes
6answers
10k views

Ext3 drive will not mount after power failure; how to recover files?

After a recent power failure which caused my linux box (Ubuntu 8.10) to rapidly poweroff twice from a normal running state, I have a drive that will not mount. UPDATE: The drive will sometimes ...
5
votes
3answers
511 views

jEdit slow on Linux

Jedit is a great text editor, and I love that it is truly cross-platform. I usually use it on windows and just recently spent a long while working on some stuff on my linux box and noticed a large ...
0
votes
4answers
360 views

Why are some commands 'non-existant'?

I'm a fairly new Linux user and I've noticed that some commands are only available to the superuser - shutdown for example. I often get confused when I know there's a command, try to execute it but ...