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.
39,045 questions
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Btrfs read-only file system and corruption errors
Goal
I am trying to figure out why my file system has become read-only so I can address any potential hardware or security issues (main concern) and maybe fix the issue without having to reinstall ...
1
vote
0
answers
12
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cgroup / cpu scheduler tuning questions, cpu pressure & uclamp behavior
I've been working on this for a few days and I'm scratching my head. The kernel docs for cgroups, pressure stall information, and the scheduler have not helped me shed any light on this so far, so I ...
1
vote
0
answers
17
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Process Maps in s390x linux systems
So I am working on a debugger for linux s390x system and have the whole disassembler etc set up for reading the ELF file. For debugger I just run it on the process with base address from the process ...
1
vote
1
answer
67
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Nuking SSDs in Linux
I have two SSDs in my system, and when I tried to make one drive linux, it broke windows and is unrecoverable via an installation media. To make it easier (since I have nothing that I need on either), ...
3
votes
1
answer
57
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Smartctl triggers: please convert it to SG_IO
When I do
smartctl -i /dev/sda
there is no output (except from the smartctl welcome message) and the kernel reports:
smartctl is using a deprecated SCSI ioctl, please convert it to SG_IO
Searching ...
2
votes
1
answer
62
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How to determine a certain linux distribution release is RVA20/RVA23 compatible?
For example, Ubuntu 25.10 plan to raise the required RISC-V ISA profile family to RVA23. How can I verify if this release is RVA23 compatible? Is there any efficient test tools I can use?
I know that ...
0
votes
0
answers
31
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Analysis of memory consumption in Linux
I am analyzing issues with unexpected increase of memory consumption in Linux. It is an embedded system with no swap.
What is happening is over some period of time around 2GB of MemFree/MemAvailable (...
3
votes
0
answers
20
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Doubling Etherchannel Throughput Over LACP Teamed Interfaces
I have a ALMA9 Linux server with a quad BCM57414 NetXtreme-E 10Gb/25Gb RDMA Ethernet Controller NIC. I have two interfaces teamed using LACP and connected to a Cisco 9336C-FX2 switch running (NX-OS) ...
0
votes
1
answer
29
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Remote SSH Vscode plugin giving Permission Denied when running installation binary
I am getting a Permission denied error when using the Remote SSH plugin in VSCode to install VSCode server. Below is the version information:
Version: 1.102.1 (Universal)
Commit: ...
0
votes
0
answers
47
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How does `/dev/tty` work as a "synonym"? [duplicate]
Context
To restore the standard input, standard output and/or standard error (file descriptors 0, 1 and/or 2 respectively) of a process to the keyboard and/or display of an interactive shell (bash) ...
2
votes
0
answers
25
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Troubleshooting .ini and .hal File Setup
I'm currently working on setting up basic .ini and .hal files for a simulation, without connecting to a physical machine. Although I've resolved some previous errors, I've encountered a new issue that ...
0
votes
0
answers
51
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Configure NAS to use memory cache for all available capacity when copying files over SMB
I have Synology DS923+ NAS with 32 GB memory and two hard drives in RAID1. It runs Linux 4.4 with the ext4 filesystem.
Copying a 20GB file from my laptop to NAS using SMB with 10GbE wired ethernet ...
0
votes
0
answers
82
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In "read", why does the cursor does not move to the next input line when there is 1 character more than there are columns?
I have noticed that when providing input to read, both Bash's and Dash's, the cursor does not move to the next line if the current line contains 1 character more than there are columns. In MATE ...
0
votes
0
answers
55
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Need option to prevent SSHFS from changing server's file modification date on download(!)
SSHFS changes modification date (not access date) of server files on download(!). Is there an option/setting to prevent that?
The problems this causes include:
after the next download, you can't sort ...
2
votes
1
answer
45
views
Restrict ssh access to single host per user
I am trying to restrict SSH for a user to a specific host:
I would like userA to be able to SSH to any host, allowing only pubkey authentication, and only if the connection comes from 192.168.1.17. I'...