All Questions
Tagged with operating-systems linux
252
questions
0
votes
1
answer
173
views
Does the chipset also determines installablility of 32bit OS or 64bit OS?
I have Fujitsu Lifebook A6025 with Pentium T2130 and Intel® 945GM/ ICH7-M chipset according to the spec. I want to upgrade the CPU to Intel Core 2 Duo Mobile T7400(Socket M) CPU. The T2130 CPU ...
- 111
-1
votes
1
answer
45
views
What is a good linux os to have that focuses on becoming a good system admin? [closed]
I want to build my skills and knowledge but dont know where to start. I have a vmworkstation that i want to install a linux os but dont know which one to install to eventually make me a good system ...
- 1
0
votes
1
answer
93
views
Single task - single computer, with direct memory access on all levels - is it possible today?
What if I turn my x86_64 Opteron 24 core (4 numa x 6 cores) computer into single-task-machine?
Would it be possible to achieve next goals:
Direct memory access to all memory levels.
Absence of ...
- 161
2
votes
1
answer
184
views
Extensible Linux Cluster Operating System [closed]
Assume I have a laptop(2 cores, 4G memory, 512G regular disk) running ubuntu and a desktop(4 cores, 16G memory, 512G ssd disk) with no operating system installed(i.e. a new suite of computing ...
- 121
0
votes
1
answer
65
views
I have installed Linux on my Windows 8.1 laptop. Can I upgrade to Windows 10? [duplicate]
My laptop is running on Windows 8.1 and a year before I installed Ubuntu Linux. If I try to upgrade to Windows 10, there will be a problem or not, because of Liniux?
-2
votes
2
answers
90
views
How should I set up a version of Linux so that it will use absolutely the smallest amount of RAM possible? [closed]
I need to set up a bunch of virtual machines using virtualbox. They are all going to be used for exactly one task, and nothing else. I want to run as many as I possibly can at once, but have limited ...
- 7
1
vote
1
answer
245
views
Processors and virtual/physical addresses
In nutshell, as I understand memory management, processor produces virtual addresses. These addresses are translated to corresponding physical addresses using per-process address table by MMU (with ...
- 111
1
vote
1
answer
108
views
Out of physical memory on notebook - Correct approach?
I have a Fedora 21 on my notebook and it sometimes runs out of memory. The notebook has 4GB of system RAM and the OS takes up only about 450MB of disk space.
I am sure that the culprit is Chromium; ...
- 143
0
votes
3
answers
364
views
Can I install Linux on a computer that has Windows 7
After installing Windows 7 on my computer that had Linux,Windows 7 erased everything that was part of Linux,including some games that I like. I doubt there is a way to recover those files. But,is ...
- 143
0
votes
1
answer
466
views
Is the need for a text editor in an OS for humans or the system? [closed]
From Wikipedia:
Text editors are provided with operating systems and software development packages, and can be used to change configuration files, documentation files and programming language ...
- 121
0
votes
1
answer
69
views
Why an OS has same name on different achitectures?
What is the similarity in running a same OS (like Linux) on different architectures? I mean, we cannot run Linux x86 apps on Linux ARM. And even the OS itself is constructed differently for different ...
- 425
2
votes
2
answers
6k
views
Remove one of multiple Operating System
I have two operating systems, ubuntu and backtrack 5. I no longer need BT5. How do I remove/uninstall BT5 without losing any data of Ubuntu ?
Edit 1: After I delete the BT5 partition how do I extend ...
- 121
5
votes
2
answers
315
views
Is there a performance difference when installing an OS on the last partition?
I have a laptop with Windows installed on a GPT hard drive. I want to have another partition to store data and yet another to install Linux Mint (or Ubuntu, still deciding). Should I install it on the ...
1
vote
1
answer
103
views
Reinstalled windows 7 now can't get access to dual boot [duplicate]
I had a dual boot setup with a Debian based distro (crunchbang) as primary and win 7 also installed. Recently I reinstalled win 7 on it's existing partition but now the boot loader is gone and win 7 ...
- 757
1
vote
3
answers
983
views
What does "based on" and "derived from" mean in Operating Systems context? [closed]
I have been reading about *nix history and the more I read the more I get confused.
I am reading terms like
... is based on ...
or
... and ... derived from ....
etc.
A concrete example ...
- 1,950
1
vote
1
answer
409
views
Linux temp files, cache and memory management [closed]
If a linux machine runs for a long period of time without rebooting don't the temp files, cache files and other non-permanent files become an issue (hard drive)? How does linux handle this, also how ...
- 11
1
vote
1
answer
149
views
Better Way to Clone Current Operating System? [closed]
This Question maybe so bad, I am Newbie if you dont like, please ignore this, but I was thinking about something tools to creating , packaging current operating system with current configuration.
...
- 161
1
vote
0
answers
54
views
How can cpu-intensive processes slow down a system despite having a scheduler?
I've encountered it on both Windows and Linux that if some process is doing some heavy work and the cpu is under a lot of stress, the whole system can sort of freeze, other processes get slow, etc. ...
- 385
1
vote
0
answers
70
views
Ubuntu as a separate OS v/s Wubi
Due to some hardware problem, I am unable to use both my DVD drive and the bootable USB stick to install Ubuntu as a separate OS alongside Windows 7. I came across WUBI. I was wondering if there would ...
- 57
1
vote
2
answers
1k
views
Is there any way to install any linux distro without acesssing the bios? (broken screen)
I am trying to run a Linux system from my y500 Lenovo ideapad but I can not access the boot menu or bios at all. This is because I have a broken screen and am using an external display to make use of ...
- 11
2
votes
3
answers
7k
views
I'm not able to connect with SSH because of SUID warning
When I try to connect with another machine, after this command below:
user1@host1:~$ ssh user2@host2
user2@host2's password:
I receive:
WARNING: Your password has expired.
You must change your ...
- 59
0
votes
1
answer
2k
views
how to enable pci hotplug support in ubuntu 13.04
Kindly help. I have a pci-based wifi adapter which is not getting detected when i plugged it into the laptop.
OS: Ubuntu 13.04
Kernel version: 3.8.0-19-generic
2
votes
1
answer
1k
views
Prompting for sudo password in a setuid root binary
I have a setuid root binary, with_sudo.bin, with the following source code:
/* with_sudo.c */
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
...
-1
votes
1
answer
57
views
The system was running slow and reboot was useless
My system was running slow, I checked the system with top, vmstat, iostat, strace and so on, but I could not find the issue. So I reboot the system but it was useless.
Then I shutdown the server, and ...
- 101
0
votes
1
answer
339
views
Windows 8: Drive partition is missing
wanted to run 2 operating systems on the same laptop so downloaded manjaro ( I have windows 8). When i opened 'Gparted' (after booting manjaro) in order to partition my disk i got the message "...
- 15
14
votes
4
answers
21k
views
Is there a way to know the size of L1, L2, L3 cache and RAM in Ubuntu?
Is there a way to know the size of the L1, L2, L3 caches and RAM in Ubuntu?
Is there a terminal command or files I could look into?
- 241
3
votes
2
answers
2k
views
EFI System Partition for Dual Boot Windows and Linux
I just built my first computer and I want to have Windows and Linux installed. My hard drive is on the small side for a dual boot (256 GB SSD), but I plan on upgrading at a later date.
Following the ...
- 133
0
votes
2
answers
225
views
installing linux without any packages
I am programming a OS based on Linux but I want to "re-invent the wheel" in this OS just as an achievement. I have been told that Linux can be installed on a PC without any packages (obviously causing ...
- 390
69
votes
11
answers
67k
views
What is the relationship between Unix, Linux, Ubuntu, Debian and Android?
What is the relationship between Unix, Linux, Ubuntu, and Debian?
I suspect they are all Operating Systems that are based upon one another - similar to how Windows is based on DOS. Is my suspicion ...
2
votes
2
answers
2k
views
Why would xbcd.com resolve to the localhost (127.0.0.1) on Linux (Ubuntu) and Android?
When
1) pinging xbcd.com I get 127.0.0.1
2) using a web browser and the URL xbcd.com leads me to the local webserver, if it exists.
I've tried this on Ubuntu 14.04, multiple networks/DNS, as well ...
- 217