Category "linux"

Raspberry pi 64 bit Os showing Unable to locate package libjasper-dev. how to fix this?

I am using a raspberry pi 4. And I installed a 64-bit (not 32-bit) Raspberry Pi OS. When I tried to install libjasper-dev using the command 'sudo apt-get instal

run script when chrony steps clock

I need to start a certain service after system clock was correctly stepped by crony. System time is maintained by chrony (chronyd (chrony) version 3.5 (+CMDMON

vscode ssh develop Go cannot stop at breakpoint when code under /home/{username}/ floder

I have the remote develop problem. I want to ask for some advices to solve this problem. when my code under ~/ floder, debug cannot stop at breakpoints: when

Loading some packages with Rstudio server does not work, while it works with R server

I am using Rstudio server on a remote server and I have some packages already installed. When I try to load libraries like raster or terra using Rstudio server,

Check log file for error only for last 10 mins

I've a log file with below text, [2022-05-05T22:25:58,523] Text/debug data I want to fetch log data for errors in only last 10 mins to configure in cron. How t

bash: No such file or directory when file is clearly present

I have a shell script located at "/home/pi/scripts/take-snapshot.sh" but when ever I try to execute it I get a error that the file is not present. the following

How can I put a prefix on every information outputed from GDB?

I would like to put a prefix, like "GDB> ", on every output from gdb to distinguish it from the output of my program. Is that possible? An example: test.c #i

Compile and run assembly on macbook

I'm taking a course on computer structure and I'm lost. I was given the following file: Hello.s: #This is a simple "Hello World!" program .section .rodat

Persian (Arabic) Support for Visual Studio Code

Visual Studio Code does not seem to display Persian or Arabic scripts nicely in the terminal window. I can confirm that on Linux, but not sure about macOS or Wi

bash oneliner search for files and dump name and content into new file

as title says I need to write a bash oneliner that finds all txt files and, for each, writes name and content into another file. So far I wrote: find . -name "*

How do I create a child process with clone and use waitpid to wait until its done?

The code below is wrong for at least 2 reasons. I'll be rewriting this in assembly so I'll need the solution to be only linux system calls. What I'd like to do

Changing the broadway 2.0 tab name (GTK+3.0)

When running Broadway back-end, the default tab name is "broadway 2.0". I wish to change this to something more meaningful but I'm running into a couple of dead

Bash script: read 30000 records from file and run multiple process in parallel

txt with more than 30000 records. All records are one for line and is an IP like this: 192.168.0.1 192.168.0.2 192.168.0.3 192.168.0.4 192.168.0.5 192.168.0.6 1

sed replacing first occurence of characters in each line of file only if they are first 2 characters

Is it possible using sed to replace the first occurrence of a character or substring in line of file only if it is the first 2 characters in the line? For examp

Sed: specific exact two match

I have this line in a file. The blanks between the words can be tabs or spaces #define FN_AUTO_FN_FNSECTOR Function(2) /* FN_ comment*/ and I wanted outp

How to covert the address from KCOV output to filename:lineno using addr2line?

I want to use KCOV (code coverage for fuzzing) in the Linux kernel to record the coverage of certain system calls. I have enabled the corresponding kernel conf

different jdk versions returned when requesting system

i wanna understang why these three commands not always return the same jdk. In the third request, the jdk is not the same. 1- when i launch this command java -X

How to only allow certain user agents through mod security's WAF?

I'm very new to all of this so I'm kinda stuck... How would I restrict access to my server to a limited amount of user agents (using mod security)? Also how wou

how to run a vue js 2 app with pm2 library in linux(RHEL)?

I have a vue js app, which i run it locally with npm run serve command. I am trying to run it in a development linux ( RHEL) box with pm2 library, but it doesn'

How to configure Nginx and Adminer

I installed the Nginx server on kali linux and I manage to access it by entering localhost in the browser. I then installed Adminer in order to graphically mana