Category "linux"

While running build on Teamcity getting below error base dir does not exist

java.lang.IllegalStateException basedir does not exist. While packaging the application using maven

conky using a function call within an if statement

How do I call a function after loading it in conkyrc? For example: I'm trying to get the active interface name which is returning properly ${lua conky_findInte

Docker default-ulimit nofile setting

/etc/docker/daemon.json has the following contents { "live-restore": true, "default-ulimits": { "memlock": { "Hard": -1, "Name": "memlock",

docker copy and chown in bash script

I'm building a network with docker compose and some bash scripts and i'm having problems during the process. Basically i have a some containers and volumes. In

Converting .ova file to .vdi

I had installed mininet-wifi on virtual box via .ova file. Its operating system was lubuntu. As a result of moving and deleting, the .vdi file in the mininet-wi

What does "rc" mean in dot files

In my home folder in Linux I have several config files that have "rc" as a file name extension: $ ls -a ~/|pcregrep 'rc$' .bashrc .octaverc .perltidyrc .screen

Running executable CGI on NGINX (NOT PHP!)

I have an older web application that uses .cgi script files. These are compiled ELF binaries, directly executable on the system. I have been able to get these r

How can I add Linux source code global variable?

I face a situation where I need to declare a global variable so every file of Linux source code can reference it. As much as I know, Linux is a Monolithic kerne

How to download multiple files using wget in linux and save them with custom name for each downloaded file

How to download multiple files using wget. Lets say i have a urls.txt containing several urls and i want to save them automatically with a custom filename for e

perf mem doesn't records mem load on heap

I used perf mem on my test C program, because I want to get how many times the mem load(and store) on the same pages. a. My C program is here: "stest.c" #includ

Running a Python Flask server in closed Terminal session

I've made an Flask API Server that i want to run on a Server and close the Terminal session and still keep it running. (SSH) The API's makes a lot of Requests t

sqlplus query + loop on linux

I have pratically 0 experience on unix and few on mysql and I am finding hard where to start to complete this task, I have to write a .sh file to launch once a

Why does interrupting a simple C++ program under Valgrind results in segmentation fault?

Consider the following program: #include <iostream> int main() { std::cout << "Hello, World!\n"; } I compile it with on Ubuntu 20.04 (Focal F

cargo build-bpf fails on ubuntu

rustc --version = rustc 1.60.0 (7737e0b5c 2022-04-04) solana --version = solana-cli 1.10.8 (src:623ac656; feat:1122441720) npm --version = 8.5.1 node --version

Checking user info with multiple parameters

I have to print information about the user with the name given as a parameter. For example let's say ./script1.sh John should give me John Doe (username) -last

asdf fails node install with: permission denied error, how to grant it permission?

When i try to install a node version with asdf-vm i get the following error Trying to update node-build... ok mkdir: cannot set permissions '/tmp': Permission d

NameError! I am following Django tutorial in part 5 when try to run test, getting error

[enter image description here][1] [1]: https://i.stack.imgur.com/2wDSL.png NameError! I am following Django tutorial in part 5 when try to run test, getting e

error device-tree: can't request region for resource [mem 0x01c20800-0x01c20aff]

ERROR SHOW: [ 156.303744] blinkled: loading out-of-tree module taints kernel. [ 156.303871] blinkled: module verification failed: signature and/or required ke

Error /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found

firstly, I google'd a lot but nothing I found related to my case, I have an ELF executable file I'm trying to run it in my Ubuntu WSL, I've changed the permissi

conditions to check if Aerospike cluster is being idle

Assuming aerospike is running, I need some conditions through which check weather aerospike cluster is idle and not being used at all. I tried checking log file