vi7

For Free DNS:

• https://gcore.com/dns
• https://dns.he.net/
• https://desec.io/
• https://www.vultr.com/docs/introduction-to-vultr-dns/

Taken from: https://lowendtalk.com/discussion/185804/freedns-afraid-org-down-any-alternatives

vi7

#!/usr/bin/env bash

old_kernels=($(dnf repoquery --installonly --latest-limit=-1 -q))
if [ "${#old_kernels[@]}" -eq 0 ]; then
    echo "No old kernels found"
    exit 0
fi

if ! dnf remove "${old_kernels[@]}"; then
    echo "Failed to remove old kernels"

vi7

#!/usr/bin/env sh

# Script to check if app version has been bumped
# To be used with Merge Request CI checks

set -e

VERSION_FILE="ci/build.env"

git fetch origin

vi7

#!/usr/bin/env bash

# Based on the info from
# - http://elrepo.org/tiki/HomePage
# - https://www.golinuxcloud.com/set-default-boot-kernel-version-old-previous-rhel-linux/
# - https://www.casesup.com/category/knowledgebase/howtos/how-to-change-the-default-kernel-in-grub-for--rhel-and-centos

## !!!!!!!!!!!!!!!!!!!!                                            ##
##                                                                 ##
## !!! IMPORTANT: do not run this as-is, read all in-line comments ##

vi7

Prometheus Node Exporter installer script for AsusWRT Merlin

Installation

curl -sL https://gist.githubusercontent.com/vi7/bc27529bd4803576fefc479dbd326dfa/raw/node_exporter_installer_asuswrt_merlin.sh | sh \
&& rm -f node_exporter_installer_asuswrt_merlin.sh

vi7

CoreDNS installer script for AsusWRT Merlin

Installation

curl -sL https://gist.githubusercontent.com/vi7/e41b07ff7d0fb845ac281cd940876e2a/raw/coredns_installer_asuswrt_merlin.sh | sh && rm -f coredns_installer_asuswrt_merlin.sh

vi7

---
global:
  resolve_timeout: 3m
  slack_api_url: 'https://hooks.slack.com/services/<TOKEN>'
  smtp_smarthost: 'mail.example.com:25'
  smtp_from: 'alertmanager-dev@example.com'
  smtp_require_tls: false
  smtp_hello: 'alertmanager-dev'

# The directory from which notification templates are read.

vi7

DevOps topics

• Linux command line basics:
  • navigating through directory tree
  • opening text files (logs)
  • checking CPU/Memory/Disk usage
  • checking network ports
  • services (stopping, starting, checking status)
• Docker and containers overview (what is it and what it is used for)

vi7

function run(input, parameters) {

  const appName = "";
  const verbose = true;

  const scriptName = "close_notifications_applescript";

  const CLEAR_ALL_ACTION = "Clear All";
  const CLEAR_ALL_ACTION_TOP = "Clear";
  const CLOSE_ACTION = "Close";

vi7

#!/usr/bin/env bash

# Collection of oneliner scripts to check Git working tree status for multiple repositories in a batch

set -e

# The most simple, prints all the git repos found and outputs not commited changes if any
for dir in $(find . -type d -name '.git'); do pushd $dir/.. >/dev/null; pwd; git status --short; popd >/dev/null; done

# Print paths to repositories with uncommitted changes only