petrbouda

Memory LIMIT and REQUEST in Containers and JVM

• Do you run a JVM inside a container on Kubernetes (or maybe OpenShift)?
• Do you struggle with REQUEST and LIMIT parameters?
• Do you know the impact of those parameters on your JVM?
• Have you met OOM Killer?

Hope you will find answers to these questions in this example-based article.

How to set up JVM Heap size in a Container

raphaeldelio

apiVersion: v1
kind: ConfigMap
metadata:
  name: heartbeat-deployment-config
  namespace: monitoring
  labels:
    k8s-app: heartbeat
data:
  heartbeat.yml: |-
    heartbeat.monitors:

br3ndonland

Getting the Gist of GitHub Actions

Tutorial and tips for GitHub Actions workflows

Table of Contents

• Introduction
• Workflows and actions

orhun

#!/usr/bin/env bash
# Plays a random MOD file from https://modarchive.org
# Depends on XMP (http://xmp.sourceforge.net/)
# https://gist.github.com/orhun/eda9701e357b625c2bada19563872715

rand=$(shuf -i 1-189573 -n 1)
tmp=$(mktemp /tmp/${rand}.XXXXXXXX.mod)
curl https://modarchive.org/jsplayer.php?moduleid=${rand} > ${tmp}
xmp ${tmp}
rm ${tmp}

kushagharahi

If you have GreaseMonkey installed click here to install this UserScript automatically

Tired of having to go through referral/affiliate links before you can view a deal on Slickdeals? This script strips the urls on Slickdeals of referrers. If it can't strip the urls, it marks them as "Referral Link?" in hot pink.

Install this UserScript in GreaseMonkey or similar UserScript manager.

Note: You must click View Forum Thread (requires login) ![image](https://user-images.githubusercontent.com/3326002/211234558-3e83f0b9-486f-4ab5-ae

dchakro

#!/usr/bin/env bash

# Define colors
RED='\033[91m'
RED_solid='\033[101m'
GREEN='\033[92m'
GREEN_solid='\033[42m'
CYAN='\033[96m'
NC='\033[0m'
BLUE_solid='\e[44m'

slmingol

Decoding the data in /proc/net/tcp:

Linux 5.x  /proc/net/tcp
Linux 6.x  /proc/PID/net/tcp

Given a socket:

$ ls -l  /proc/24784/fd/11
lrwx------ 1 jkstill dba 64 Dec  4 16:22 /proc/24784/fd/11 -> socket:[15907701]

satmandu

#!/bin/bash  -x

workdir="${HOME}/workdir"
[[ ! -d "$workdir" ]] && ( mkdir -p "$workdir" || exit 1)
[[ ! -d "$workdir"/tmp ]] && ( mkdir -p "$workdir"/tmp || exit 1)
[[ ! -d "$workdir"/output ]] && ( mkdir -p "$workdir"/output || exit 1)
echo "workdir is ${workdir}"
tmpdir=$(mktemp -d deb_XXXX -p "$workdir"/tmp)
deb_temp=${tmpdir}/deb
extract_tmp=${tmpdir}/extract

slmingol

References

• https://jamielinux.com/docs/openssl-certificate-authority/index-full.html

slmingol

import argparse
import logging

parser = argparse.ArgumentParser()
parser.add_argument('--verbose', '-v', action='count', default=1)
args = parser.parse_args()

args.verbose = 70 - (10*args.verbose) if args.verbose > 0 else 0

logging.basicConfig(level=args.verbose, format='%(asctime)s %(levelname)s: %(message)s',