Recent questions tagged Linux

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linux - If I have a process, and I clone it, is the PID the same?

Just a quick question, if I clone a process, the PID of the cloned process is the same, yes ? fork() ... correct in all of these statements ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - What difference does ssh command quoting make?

How is it that these commands result in different output? ?> ssh host bash -c 'cd /tmp; pwd' /home/manu ... the bash command doesn't help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Assigning values printed by PHP CLI to shell variables

I want the PHP equivalent of the solution given in assigning value to shell variable using a function return ... =$(getConfigVals) echo $result See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - What is the recommended way to perform source-level debugging of system library calls?

I have a need to debug into some calls in system libraries, to understand how the calls differ, and why one or ... way? Is there a simpler way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Install Marklogic centos virtualbox vm

I recently set up a CentOS 6.4 basic LAMP server (no GUI) in a pre-built Virtualbox image, and then ... to CentOS and Redhat, in general. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Change text color using C

I've been reading some few articles about changing text color using C, but the problem is they all tend to ... the color of my console program? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to remove all lines from a text file starting at first empty line?

What is the best way to remove all lines from a text file starting at first empty line in Bash? External tools (awk ... be saved in a new file. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - GCC: putchar(char) in inline assembly

Overflow, how can I implement the putchar(char) procedure using inline assembly only? I would like to do this in ... .c Thanks for helping me! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Prevent other git authors

I have setup my own private git server, and have a team of 5 members. I have their user accounts all ... rather their username I assign them. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Git with double SSH

I have: local, server1, server2. I have Git repository on server2. But I can't connect with it. I can ... with double SSH? Is it possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - public key is not available: NO_PUBKEY F76221572C52609D

For the below docker file: FROM microsoft/aspnetcore-build:1.0.1 ENV DOTNET_SKIP_FIRST_TIME_EXPERIENCE 1 # This is ... error can get resolved? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Java read a logfile live

I'm writing a cod4 server controller in Java(I know there are perfectly fine server controllers out there, but ... , but not any longer. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Possible to change screen brightness with C?

Using C in Linux, would it be possible to change the brightness of the viewing screen? This isn't expected to ... os to change the brightness. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Why does `/proc/meminfo` show 32GB when AWS instance has only 16GB?

I wanted to log the total amount of memory (alternatively: used memory by the current process and available memory ... should this be done?) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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968 views

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linux - Using Bash environment variables from within a Perl script?

I am trying to run a Bash command from within my Perl program. However Perl seems to be confusing my Bash $PWD ... the same problem. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - g++ searches /lib/../lib/, then /lib/

According to g++ -print-search-dirs my C++ compiler is searching for libraries in many directories, ... LIBRARY_PATH return blank lines. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to pack multiple library archives (.a) into one archive file?

How can I turn multiple archive files into one big archive file on Linux (using binutils ar and / or GCC). ... resulting libbig.a is empty). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Running a Qt application at startup

I wrote a Qt application that is going to run on Linux. It supposed to run at startup. It's supposed to run ... if you will attach an example. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - get filesystem mount point in kernel module

I want to get the filesystem mount point for a file system in my kernel module, which is a stackable filesystem. Eg ... on /home or /home/user. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - alsa - mem leak?

I've been chasing a memory leak (reported by 'valgrind --leak-check=yes') and it appears to be coming ... valgrind that's having issues here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux kernel - Tensorflow Object Detection Training Killed, Resource starvation?

This question has partially been asked here and here with no follow-ups, so maybe this is not the venue to ask ... file-rss:24kB, shmem-rss:0kB See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Linking a program using printf with ld?

I'm getting a undefined reference to _printf when building an assembly program that defines its own _start instead of ... ! should be the output See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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linux - Bash output stream write to a file

so i am running this on bash: # somedevice -getevent What this command does is it just keeps running, and ... be written immediately. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to get CMake to use the default compiler on system PATH?

There is the same question and the answer. The problem is that the answer seems to be wrong (actually is not ... to respect the PATH variable? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux kernel - Map sharing between different ebpf program types

Is it possible to share ebpf maps between different program types. I need to share a map between a tc ... associated with their unique prog_ids. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Loading executable or executing a library

There is a large number of questions on SO about how to execute a library or dynamically load an executable. ... ? Are there other alternatives? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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linux - Changing /proc/sys/kernel/core_pattern file inside docker container

How can i change /proc/sys/kernel/core_pattern file inside the docker container with out privileged mode? ... anything related to Dockerfile? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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linux - R Draws Plots with Rectangles Instead of Text

I'm building a pipeline with snakemake and using conda and singularity environments to ensure reproducibility. I run ... on Debian GNU/Linux? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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