Copied scripts from repository core system

big_files.sh

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+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Searching for files which are in \"$HOME\" and bigger then 100MB..."
+find ~ -type f -size +100M -exec ls -lh {} \;

false_chown.sh

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+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Searching for files which are in \"$HOME\" but don't belong to user \"$USER\"..."
+sudo find "$HOME" ! -user "$USER"

file_duplicates.sh

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+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Checking relevant home folders for duplicated files..."
+fdupes -r "$HOME/Documents/" "$HOME/Downloads/" "$HOME/Images/" "$HOME/Desktop/" "$HOME/Music/" "$HOME/Pictures/" "$HOME/Videos"

java_versions.sh

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+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Showing the installed Java versions..." &&
+archlinux-java status

linux_kernel.sh

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+#!/bin/bash
+# @author Kevin Veen-Birkenbach
+# shellcheck source=/dev/null # Deactivate SC1090
+source "$(dirname "$(readlink -f "${0}")")/../../base.sh" || (echo "Loading base.sh failed." && exit 1)
+info "Linux-Kernel: $(uname -r)"

not_encrypted_ssh_keys.sh

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+#!/bin/bash
+# @see https://stackoverflow.com/questions/32408820/how-to-list-files-and-match-first-line-in-bash-script
+# @see https://unix.stackexchange.com/questions/298590/using-find-non-recursively
+# @see https://security.stackexchange.com/questions/129724/how-to-check-if-an-ssh-private-key-has-passphrase-or-not
+find "$HOME/.ssh" -maxdepth 1 -type f -print0 | while IFS= read -r -d $'\0' file; do
+  if [[ $(head -n1 "$file") == "-----BEGIN OPENSSH PRIVATE KEY-----" ]]; then
+      echo "Test file: $file"
+      ssh-keygen -y -P "" -f "$file"
+  fi
+done