My program operates like this: exe -p param1 -i param2 -o param3 It crashed and generated a core dump file, core.pid. I want to analyze the core dump file by gdb ./exe -p param1 -i param2 -o param3 core.pid But GDB recognizes the parameters of the EXE file as GDB’s input. How do I analyze … Read more
I’m trying to create a hello world project for Linux dynamic libraries (.so files). So I have a file hello.c: #include <stdio.h> void hello() { printf(“Hello world!\n”); } How do I create a .so file that exports hello(), using gcc from the command line? 1 Answer 1
well i can access the sites: www.foo.com and www.bar.com but i cannot access the login – the sites are blank. foo.com/wp-login.php bar.com/wp-login.php i have the following logs. [Mon Jan 01 16:26:03.229924 2018] [core:notice] [pid 17589] AH00052: child pid 24869 exit signal Segmentation fault (11) [Mon Jan 01 16:39:54.242584 2018] [core:notice] [pid 17589] AH00052: child pid … Read more
I have a data with the following format: foo<tab>1.00<space>1.33<space>2.00<tab>3 Now I tried to sort the file based on the last field decreasingly. I tried the following commands but it wasn’t sorted as we expected. $ sort -k3nr file.txt # apparently this sort by space as delimiter $ sort -t”\t” -k3nr file.txt sort: multi-character tab `\\t’ … Read more
I want to get the CPU and memory usage of a single process on Linux – I know the PID. Hopefully, I can get it every second and write it to a CSV using the ‘watch’ command. What command can I use to get this info from the Linux command-line? 22 Answers 22
I am working on a Java project with gradlew. I use Ubuntu Linux as my OS. When I run “gradle” it runs, and gives me info. But when I run “gradlew”, it outputs as “No command ‘gradlew’ found, did you mean: Command ‘gradle’ from package ‘gradle’ (universe) gradlew: command not found” I did my research, … Read more
In Linux, how do I remove folders with a certain name which are nested deep in a folder hierarchy? The following paths are under a folder and I would like to remove all folders named a. 1/2/3/a 1/2/3/b 10/20/30/a 10/20/30/b 100/200/300/a 100/200/300/b What Linux command should I use from the parent folder? 12 Answers 12
In linux I could find the mysql installation directory with the command which mysql. But I could not find any in windows. I tried echo %path% and it resulted many paths along with path to mysql bin. I wanted to find the mysql data directory from command line in windows for use in batch program. … Read more
Borderline ServerFault question, but I’m programming some shell scripts, so I’m trying here first 🙂 Most *nixes have a command that will let you pipe/redirect output to the local clipboard/pasteboard, and retrieve from same. On OS X these commands are pbcopy, pbpaste Is there anyway to replicate this functionality while SSHed into another server? That … Read more
I know this much: $ command 2>> error $ command 1>> output Is there any way I can output the stderr to the error file and output stdout to the output file in the same line of bash? 5 Answers 5
