All Questions
Tagged with operating-systems linux
252
questions
0
votes
0
answers
61
views
My python application doesn't want to cross-compile using Yocto
I'm currently trying to set up a Linux OS for one of our embedded projects, I've successfully cross-compiled many packages from pypi using the PiP2Bitbake package but when I tried to do it with a ...
0
votes
2
answers
197
views
How to achieve SD card's life service to 10 years or more? [closed]
I have read from this link https://www.sdcard.org/consumers/faq/#servicelife about SD card's service life that with normal usage it can reached to 10 years or more? Wow, this is truly amazing! I know ...
- 87
0
votes
0
answers
105
views
Centos 7 yum update issue
I am getting the below error while doing the "yum update" in centos7. I tried all other ways to fix but nothing is working. Please find the below full error for your information.
Please find ...
- 1
1
vote
1
answer
191
views
Why do most Linux distros rely on `sudo` instead of using capabilties?
Sorry if this isn't the right QA forum. I couldn't think of where else to post this question.
The Linux kernel has supported capability-based security for quite some time but I don't see many ...
- 13
0
votes
0
answers
252
views
unable to install tree with brew in macBook bro M2
I am trying to install tree command on my MacBook pro M2 machine but seems like brew is not working
brew install tree
Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/...
- 101
1
vote
1
answer
71
views
Cannot reboot after failing to install kubuntu
I was trying to install Kubuntu on my laptop (I am using Acer laptop). After booting to the USB contains the setup of Kubuntu, I decided to try Ubuntu first. When finished trying, I pressed restart in ...
- 55
2
votes
0
answers
195
views
No operating system found specifically on reboot
I've got a HP EliteBook 8460p running Linux, and when I reboot the system, during boot it throws error No OS found; however, if I shut it down, then start it manually by button, everything works as it ...
-6
votes
1
answer
315
views
How much types of User account in Kali Linux? [closed]
types of Users in Kali Linux and their function. How to login with kali Linux os system. tell me its command lines.
-4
votes
1
answer
642
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Can't login to Ubuntu in virtual machine
When I updated the system, and then I restarted the machine, I don't know why it's showing this picture:
Can someone solve this problem?
I tried to restart the machine again and again, but its still ...
Hiroki Matsumoto
0
votes
0
answers
117
views
rhel + disk util is very high , what is the impact for long term
we have backup server with rhel version 7.2
server is VM machine , and OS disk is VMDK disk
disk used space is around - 50% , and from smartctl we not see problem
as we can see from follwing details
...
- 861
2
votes
0
answers
24k
views
What causes those ACPI errors in Linux (and how to fix them)?
I installed Linux Mint 21 on my HP laptop. I got some errors I don't know how to solve. The first 2 days after installation, I had the following errors:
This is the error I was getting after I boot ...
- 195
0
votes
1
answer
2k
views
Why does a computer slow down when left running for a long time without restarting?
I am currently using Windows and see that I need to reboot my PC time to time, without which it feels slow. That is if I keep running it for 4 - 8 hours without restarting, it'll start to slow down ...
2
votes
1
answer
3k
views
Change tty/pts ssh session between Unix client & server
Hello everybody i ask if is possible switch between /dev/pts/1 and dev/tty/1.
I work in env where the connection is bad.
If loss ssh connection i need to restore ssh's session in the same state that ...
0
votes
1
answer
104
views
Moving OSs from 1TB to 2TB
I have a 1TB nvme drive with windows and linux installed. The partitions look like this:
partitions
Now I would like to move both these operating systems to a 2TB nvme. How do I do this without ...
- 101
2
votes
0
answers
159
views
are page tables under utilized in x86 systems
I was recently looking at the page table architecture in x86 and x86-32 machines.
x86-32 paging architecture:
x86-64 paging architecture:
In x86 for example, we use 10 bits as offset into the page ...
2
votes
0
answers
93
views
On a hard realtime OS, what happens if a process takes too long? Would programs just crash or something else?
I've read that a realtime scheduler won't wait on a process to complete certain tasks if they take too long in order to maintain realtime capability.
The way I understand it is an OS will wait on ...
- 259
0
votes
0
answers
177
views
Install Multiple OS on USB Drive
I would like to install multiple OS on USB Drive with as less partitions as possible.
One way I thought of doing that is via Ventoy. I haven't tested this approach but it goes like this.
Install OS ...
- 113
-3
votes
1
answer
75
views
Is there something that would allow a Windows application source code to be recompiled to Linux? [closed]
Think WINE but recompilation. Think Cygwin but the other way around.
If not, what are the challenges getting in the way?
Edit: I'm looking for something that works like WINE but can get me better ...
0
votes
2
answers
365
views
Can Windows (or some other OS) Detect that some other OS was running between reboots?
Let us say we have a Dual Boot Machine. Or we have a Linux LiveCD in the CD Drive.
We are running Windows & select reboot or Hibernate.
The Machine exits the OS and goes back to the Booting ...
- 1,300
0
votes
0
answers
3k
views
How can I fix this “The following signatures were invalid…” error in Kali Linux?
┌──(kali㉿kali)-[~]
└─$ sudo apt-get update
[sudo] password for kali:
Hit:1 http://kali.download/kali kali-rolling InRelease
Get:2 http://deb.i2p2.no unstable InRelease [19.7 kB]
Err:2 http://...
- 21
0
votes
1
answer
48
views
How is a processing core told to execute something else?
I have some questions about scheduling/multitasking in computer operating systems. If the details are platform-specific, I'm talking about Linux running on x86.
I understand that the scheduler is the ...
- 149
0
votes
0
answers
263
views
Swapping with Paging and Swappiness (Linux)
In Abraham Silberschatz's Book, Greg Gagne, Peter B. Galvin - Operating System Concepts (2018) says:
Standard swapping was used in traditional UNIX systems, but it is
generally no longer used in ...
- 1
5
votes
2
answers
14k
views
Do I have to make a partition before installing dual-boot Ubuntu?
I am trying to dual boot Ubuntu and Windows 10. On the guides I have seen online, people generally make a disk partition prior to installation. Then on the installation screen when they are asked ...
- 101
0
votes
0
answers
12
views
how to install Windows on a Dell from 2015 that only came with Linux [duplicate]
I want to install Windows on a Dell (from 2015, the Precision Tower 5810).
The machine came only with Linux installed on it.
Is this possible, and if so, how would I acquire Windows for this?
- 21
2
votes
1
answer
566
views
calculating memory used by "ext4_inode_cache" from /proc/slabinfo?
On Linux I have two ways to get the memory used by ext4_inode_cache. First is using the slabtop command which gives me "CACHE SIZE" information too:
# slabtop -o -s c | grep -E '(...
- 143
0
votes
0
answers
34
views
Are the Windows factory reset files stored on the ROM of laptops shipped with Windows?
Was just wondering since I have a Dell laptop which came shipped with windows, I've installed several version of Linux on it and have always had the option to factory reset it to Windows through the ...
- 1
1
vote
2
answers
3k
views
Install Arch Linux (or any os) to a computer with no USB or ethernet?
I have a Microsoft Surface Laptop whose usb does not work. It had a short and the device is permanently disabled (I'm fairly certain it is broken hardware-wise). Regardless, that is the only port this ...
- 111
12
votes
1
answer
2k
views
How do OS installers work? [closed]
I am learning how Linux OS installation works, but searching the Internet for this doesn't provide any information for my questions.
Note: This question has been marked as off-topic on Server Fault so ...
- 123
6
votes
2
answers
2k
views
Visual studio code default quickfix keybinding not working on Fedora 35?
I have upgraded to Fedora 35 recently.
While coding on Visual Studio Code, I can't use the Shortcut Ctrl+. to open the quick fix.
When I press Ctrl+. it always display the letter e with the underline. ...
- 233
1
vote
2
answers
740
views
Accidentally removed python3-dateutil from RHEL 8
I was trying to fix a setup issue related to airflow and accidentally I removed python3-dateutil from the machine (RHEL 8) using sudo yum remove python3-dateutil this also lead to the removal of ...
