Category "linux"

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

Installing PHP 7.4 manually (offline) on Linux Red Hat server

I have upgraded from PHP 5.3 to PHP 7.2 and the application is working. now I want to upgrade to PHP7.4, when I run the command './configure' '--prefix=/logi/ph

CRC32 Checksum Calculation via GO

Trying to create a GO function that produces the same result as the Ubuntu Linux "cksum" operation, for example: $ echo 123 > /tmp/foo $ cksum /tmp/foo 23306

Is there a way to fix the issue of Vscode freezing up in few seconds or minutes after its opened

I have been going back and forth searching why and how to fix this particular problem regarding Vscode freezing up my whole working space including the host, wh

why child can't send signal to parent

parent: volatile int signalval = 0; void signal_handle_c(int sig_num) { printf("child SIGUSR1 ok\n"); signalval = 1; }; int main(int argc,char**argv){

How can I link to a custom library when building MySQL Server from source?

I installed MySQL server using a standard source distribution (mysql-server-8.0) according to this url: https://dev.mysql.com/doc/refman/8.0/en/installing-sourc