All Questions
Tagged with operating-systems linux
253
questions
10
votes
4
answers
11k
views
What is the meaning of those numbers in the second column after typing "ls -l"? [duplicate]
drwxr-xr-x. 2 root root 4096 Jun 29 16:44 db
drwxr-xr-x. 2 root root 4096 Jun 29 16:44 djproject
-rwxr-xr-x. 1 root root 38 Jun 29 16:44 index.html
drwxr-xr-x. 2 root root 4096 Jun 29 16:44 jobs
-...
- 266
11
votes
5
answers
212k
views
How to Extend primary partition(/dev/sda1) in linux?
Im having a problem, my primary partition is running out of space. Due to this, I can't access linux machine remotely (through vncserver). I have another drive (/dev/sdb) having much more free space. ...
- 211
2
votes
1
answer
2k
views
How to set Linux processor affinity to single core?
How can I set processor affinity in Linux machine (Fedora) that user duel core Intel(any) CPU?
I want the other core to shut down.
Thanks
- 287
1
vote
0
answers
202
views
Failed to boot macbook from Ubuntu USB
I am trying to put Ubuntu on my aging Macbook, as my optical drive is dead, I am following this guide to do so via USB.
The process seems to go fine in the terminal, but when I boot I only get a ...
- 743
2
votes
1
answer
6k
views
File system concepts (df command)
I'm finding it difficult to understand some stuffs about the df command. Suppose I type df and I have the following output
Filesystem 1k-blocks Used Avail Capacity Mounted on
/...
- 23
61
votes
13
answers
11k
views
Is Unix not a PC operating system? [closed]
I am doing my bachelor's degree at a university. In a written assignment, the professor posted the task: "Name three PC operating systems".
Well, I went on an included a variety of OSes (Linux, ...
- 590
0
votes
1
answer
689
views
Linux Mint VM in VirtualBox freezes with DISKFULL error
Disk partitioning guide for Linux Mint Debian
This guides shows me how to partition my HD for Linux Mint. I'm trying to install Mint as a guest client on Windows 7 hosted VirtualBox. I used to let it ...
2
votes
2
answers
889
views
Installing OS on hard drive, then moving hard drive to another machine
I have an old desktop which doesn't have a working CD/DVD. I want to install Linux on it in the simplest way possible.
I'm thinking I could solve this problem by removing the hard drive temporarily ...
- 141
5
votes
5
answers
937
views
Old Technologies About Floppy
I have a floppy disk with an unknown FS-(FileSystem). I want to make a copy from it but I can't because both Windows and Linux seem to be unable to read from it.
I tried many of the most popular apps ...
- 61
4
votes
1
answer
3k
views
Replace bash shell with python program's cmdline interface
I have a program which uses python's cmd module for command line interfaces.
Now I want it to run on my Linux server whenever any normal user logs in to it,
in a way that user never gets the default ...
- 161
0
votes
1
answer
162
views
how to know execution time of a background task in Linux
I am working with software raid in Linux. When I start the recovery of a raid array after a disk failure this task happens in background. /proc/mdstat should show the estimated time of recovery but it ...
- 173
3
votes
1
answer
4k
views
How could I install Linux to the hard drive of a different computer (one that won't boot from cd)
I have a really old Dell laptop that is beyond slow with its current WinXP installation. I want to make it usable again by installing a Linux distro (such as Xubuntu) but there is one big problem: It ...
- 51
2
votes
1
answer
116
views
configuring virtual machines
I Have windows 7 and I installed one virtual machine in it and in this virtual machine I installed opensuse Linux
Virtual A-------------Linux(Virtual C)--------Virtual B
I want linux to be in the ...
- 293
0
votes
1
answer
775
views
Testing an embedded device processor [closed]
I am writing some tests to test the processor on an embedded device (running on Linux). The device shell supports Ash, python and I can even run C code after compilation in scratchbox.
Can you give ...
- 349
0
votes
1
answer
185
views
Recover Data After Formating Ubuntu OS
I was having ubuntu 10.04 on my system, and 2 partitions one with 80 GB and the Other with 70 Gb. I took a backup from 80 GB partition and saved it in 70 GB, I installed Ubuntu 11.04 on my system, ...
- 111
0
votes
1
answer
741
views
How do I upgrade Linux Mint 8 to Linux Mint 12?
I have Linux Mint 8 on my home laptop. It dual boots Windows Vista.
It's time for an upgrade. Linux Mint 12 is out and I'd like to replace 8 with it.
How do I go about doing this?
- 2,920
0
votes
2
answers
140
views
ARCH Linux wanting to transfer
Hey I want to leave arch Linux. I created my own little operating system but it is so bare that I really wanna leave it. However, I cannot just boot another OS like ubuntu. I have to manually go ...
- 1
-1
votes
2
answers
2k
views
Which Linux OS Dist is most python friendly? [closed]
I am a mid-level python developer interested primarily in creating WSGI-based web apps. I have a working knowledge of *nix but not of sysadmin. I will be working from command line. Which Linux OS ...
- 1,141
4
votes
3
answers
2k
views
What is the Linux equivalent of FAT and how does it relate to block devices?
New to Linux and am having a tough time understanding some basic OS concepts. What is the Linux version of FAT, and how does it relate to these so-called "blocks" or block devices?
- 2,882
1
vote
2
answers
278
views
How is this operating system switching done?
There* is demonstrated switching between multiple running operating systems on the beagleboard. There's also little info on their wiki here.
I wonder what technology are they using for that..
It ...
- 312
3
votes
1
answer
1k
views
Running a Single OS Across Multiple Machines [closed]
Here is the (hypothetical) situation: I have one low-performance, high-mobility device (laptop) and one high-performance, low-mobility device (desktop workstation). The two are used as frequently as ...
- 141
0
votes
2
answers
5k
views
How can i install the right version of autossh on CentOS?
I need to know what version of centos installed and need to install autossh in centos.
boss
5
votes
2
answers
6k
views
If "top" indicates CPU is spending 10% on %wa (iowait), does that mean the CPU is idle?
I am referring to the Linux top command. If it indicates 10.4% was spent on wa, does that mean 10.4% CPU was available for other processes?
top - 09:40:45 up 178 days, 34 min, 1 user, load average:...
- 197
1
vote
6
answers
9k
views
"Stable" operating system - what does it mean exactly?
I've been using Linux for more than 2 years now, and I'm a satisfied user. I started with Ubuntu, then switched to Fedora and now I'm fond of Linux Mint.
Linux is often described as "stable". I have ...
- 119
0
votes
3
answers
878
views
Best Linux os for Dell Vostro A860 [closed]
I am using Vostro A860 with Windows XP now. I want to migrate to linux os. Please consider the below before suggesting.
1) T2390 Processor
2) 2GB Ram
3) I want to use if for webdevelopment (PHP)
- 101
5
votes
3
answers
652
views
Are operating systems able to run on different hardware?
My friend boots Linux from an external hard disk (500 GB). My question is he installs the operating system for one particular motherboard processor; the system may have additional stuff like a ...
- 1,815
4
votes
3
answers
850
views
Different operating system for each user on one machine
I've come across this rare issue, I have a friend that uses some software that is particularly slow in Windows 7, the best compatibility is in Windows XP, I told him to make a partition and have both ...
- 141
0
votes
1
answer
920
views
everything on desktop disappears after ubuntu software update
I am new to linux. I have ubuntu desktop version installed on my PC and it's the only OS on the machine. I has been working fine. Since I recently updated all the software packages everything on my ...
- 111
2
votes
4
answers
3k
views
Which Linux Mint flavor is most suited for a 2.6Ghz + 500MB RAM computer? [closed]
I've tried Ubuntu, and while enjoyed it, couldn't run more than one program before the computer felt slow.
Linux Mint has these different versions:
Linux Mint Gnome
Linux Mint XFCE
Linux Mint ...
- 183
7
votes
1
answer
5k
views
Tools to view/edit user space memory of running processes?
Are there any tools to view/edit user space memory of running processes on Linux?
It would be a great learning tool.
- 10.4k
2
votes
2
answers
378
views
how do i switch custom kernels?
i have created and installed a new kernel in my ubuntu system, but now i have added a new system call and created a new kernel, how do i set this new kernel as the one the OS should boot from.
dpkg -...
- 121
14
votes
2
answers
8k
views
How OS detects memory access violations
How does an operating system (preferably Linux) know that you've accessed a memory location that you're not allowed to?
This question was inspired by those damn pointers! The way I see it is: ...
- 1,018
0
votes
1
answer
457
views
Reinstall GRUB after installing windows Vista
I had two OS in laptop windows vista and linux mint and when I used to start my computer I used to get different option for os like linux mint, linux mint memory check, windows vista etc.. but because ...
- 4,979
2
votes
4
answers
523
views
I want to compile an OS. What is the best way to start?
Just to learn, I want to recompile some OS.
I don't want a list of steps to be taken to do it because with that I will not be learning a lot, which would defeat the purpose.
I also do not want to be ...
- 21
6
votes
3
answers
3k
views
Kernel and User mode distinguishing
Who is responsible for determining that the process is in the Kernel mode or User mode? I know kernel knows which process is belong to what space, but how the CPU determines that? I mean should CPU be ...
- 289
2
votes
2
answers
372
views
Upgrading Ubuntu from 9.04 to 10.04?
I am planning to upgrade my OS to the latest version of Ubuntu. I would like to retain some of my configuration files and startup scripts. Can someone please tell me what is the best way to do this? I ...
- 744
-2
votes
1
answer
120
views
shouldn't droid OS load like linux [closed]
Why does it have to be machine specific. Ex. Nexus One
I've got an Apad that has 1.5 installed. Why can't I just grab 2.2 and install it like linux. It would be nice if Google went this route. The ...
mikeh
1
vote
1
answer
826
views
Cannot Mount Volume
I have two internal hard drives.I just installed Debian Lenny in the smaller 80GB. But when I try to access the other hard drive it shows:
"Invalid mount option when attempting to mount the ...
AbyJames
2
votes
5
answers
205
views
Favorite Linux Variety and why? [closed]
Right now I have Fedora dual booted with Windows 7. The reasoning behind that is just because windows was the first OS I ever used and has some essential software, and Fedora is the first linux ...
3
votes
4
answers
1k
views
What percentage of computers today are *nix based? [closed]
Do you know some source that has statistics/estimations about this?
Any sound guesses?
- 17.8k
-2
votes
4
answers
173
views
Does linux have setup installs like on windows? [closed]
I was toying with Ubuntu and tried to download/install some apps, what a pain it was. I think the system they have in place for installing is too complex.
- 805
0
votes
3
answers
444
views
How to kill the process in different group but not one-by-one?
Can we just put all the processes in one group and kill that group?
Is there any other way to do this?
skydoor
1
vote
3
answers
739
views
OpenSolaris and NTFS
Is there any way to mount NTFS partitions in OpenSolaris? This is the main issue preventing me from testing it out for more than a day. I need to be able to mount my external. I have vast experience ...
- 755
5
votes
5
answers
1k
views
What OS to use, or build myself, to just show a browser after starting up?
I was reading about Linux and found out that you can apparently custom build your own operating system.
The thing is, it all sounds great for what I would like to do but my knowledge in that area is ...
- 177
3
votes
8
answers
385
views
Should I pitch Ubuntu to virus victims?
I've noticed that on a regular basis I see facebook statuses complaining about viruses (e.g. "sorry I haven't been on in a few days... my comp got socked by a virus and I had to reinstall everything")
...
3
votes
1
answer
49
views
introductory video on Ubuntu
Is there a great first video for someone that has no idea about operating systems to introduce them to the possibility of using Ubuntu, demonstrating what it looks like, advantages / disadvantages, ...
- 3,882
0
votes
1
answer
348
views
How to install windows xp in a system which is having ubuntu linux
I want to install Windows XP in a system which is having Ubuntu Linux. I don't want Ubuntu Linux, I want only Windows XP
- 1,589
0
votes
3
answers
81
views
Finding which OS a software requires?
How to find a (ie., Portable single executable) software requires a particular OS (Win98, Win98SE, WinME, Win2000, WinXP, Linux). I am using Win98SE in one pc and WinXP in another PC. If I copy/...
Kannan
5
votes
7
answers
13k
views
What is a fast and modern OS for an old iBook G3? [closed]
I have a couple old iBooks G3 with 800 MHz, 256MB RAM and a CD drive.
I am looking for suggestions of what would be the best OS to install. The OS should have a modern web browser and be fast.
...
- 273
1
vote
3
answers
654
views
Operating System's Total User Market Share [closed]
Does anyone knows where I can find some statistics how many percent each OS takes out of 100% users out there?
- 2,890