Questions tagged [linux]
These questions are about Linux in general – NOT specific to a particular distribution. If the question just happens to be in a Linux environment, please specify your Linux distribution in the body of your question, but do NOT use the “linux” tag.
39,011 questions
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Understanding VIRT, RES and SHR in htop
I want to understand the memory usage metrics shown in htop in more detail.
My current understanding is this:
VIRT (virtual memory) - This value shows the quantity of virtual memory used. Since all ...
- 1,047
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Best Practices for Managing sudo/root Access on AD-Joined Linux Servers [closed]
We have a large number of Linux servers that will be joined to Active Directory.
What I’m trying to understand is how you usually manage sudo/root access on these Linux servers.
Do you manage this ...
- 533
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Linux, UEFI/ACPI on AMD Ryzen 7900: PTIO, FRTP... what are they?
I'm trying to troubleshoot a custom HW build, based on a motherboard with the B650 chipset, hosting a Ryzen 9 7900 CPU, and some sort of a peripheral card in the PCI-e x16 slot. Having weird trouble ...
- 276
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NFS server stuck at shutdown
I have an linux NFS server that gets stuck after I attempt to shut it down with
shutdown -h now
It does issue a warning
The system is going down for system halt NOW!
And any subsequent attempts to ...
- 135
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1
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Prevent USB drives from being disconnected by suspend-wake cycle
I run my Linux installayopn off of a USB drive. When I wake my computer up after it suspends, the USB drive I am running off of and others are disconected. I know this because accessing their mount ...
- 4,530
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Why is Unix socket still there despite not referred by process file descriptor?
I'm facing this situation on Linux axcf3152 6.1.107-rt39-pxc #1 SMP PREEMPT_RT Wed May 28 14:14:49 UTC 2025 x86_64 GNU/Linux regarding a local Unix domain datagram socket bound to an abstract address. ...
- 121
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Display a dynamic progress bar alongside script output
Don’t know the correct name for what I am looking for, and I don’t know if this is possible to make.
I have a script with many echo and program outputs that go to the terminal/screen.
Is there a way ...
- 337
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Can Linux route external traffic to a loopback?
My computer (server listening) 200.200.50.2 |
My client_computer 200.200.50.4
The problem is that I have a Python server listening on my computer:
python3 -m http.server -b 127.0.0.1 -p 80
I set the ...
5
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3
answers
549
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Create and verify a large single file in parallel-mode
Is there any way to create (and later verify) with md5 or any other hashing in a parallel-mode?
If I run a single command like 'md5sum testfile1' I see that this runs with 700...800 MiB/s.
But if I ...
- 337
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2
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Create and verify some files with md5sum and pv
In a Folder are some files. testfile1 upto testfile115.
Each file is about 2 gb and there are no subfolders.
If i run:
for i in testfile* ; do echo $i ; echo -n ; pv -f -p -w 80 -a -b -e -t $i -c | ...
- 337
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0
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Systemd, is there a shortcut command to list the chain of dependencies from one unit to another one?
I would like to check how a large target like multi-user.target depends on a foo.service unit, i.e. get the units in the sequence of dependencies from multi-user.target to foo.service. All ...
- 2,301
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Performance on LVM
I am facing severe performances issues on a LVM for Oracle DB.
The database holds 1 TB.
After searching I saw that the disk in the LVM get fully used while checking in sar
04:30:02 AM nvme3n1p1 0....
- 889
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ZFS, User delegation with local permission - cannot send?
I'm in the process of backing up my ZFS data to a second machine. I have created a few isolated datasets in my zroot hierarchy, let's call it zroot/keys that I do not want a non-root user to have any ...
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How can I safely run a local AI agent to manage Linux system tasks? [closed]
I’m working on a local AI assistant called zkzkAgent designed to help manage Linux systems using natural language instead of remembering commands.
It can do things like:
Search files and directories ...
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1
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How to disable mouse scrolling in Wayland?
I have a USB‑connected Crossbow 3‑button mouse that was attached to an old Sun Microsystems workstation.
When I use this mouse on an X11 or Wayland environment on Linux, It emulates mouse scrolling by ...
