My linux cheatsheets

archive_journals

#!/bin/sh

# ! DONT FORGET CHANGE OUTPUT DIRECTORY TO MAKE IT FIT TO YOUR COMPUTER !
OUTPUT_DIR="/mnt/archive/journal/$(date +%Y)"

if [ "${1+x}" ]
then
    echo "Argument #1 should be used for restore operation ID"
    echo "due my skill issue. Plz do not abuse it :)"
    echo "TMP_ID=$1"
    TMP_ID=$1
fi

if [ "$(whoami)" != "root" ] ; then
    echo "This script requires root privileges to archive journal files." >&2
    return 1
fi

SETUP_VARS(){
    DATE_NAME="$(date +%F)_$(date +%T | tr : _).tar.xz"
    TMP_PATH="/tmp/$1"
}

CLEAN(){
echo "Cleaning..."

rm -rfi "$TMP_PATH"
}

if [ ! DETECT_IS_ROOT ]
then
    return 1
fi

# DETERMINE VAR IS NOT SET:
if [ ! "${TMP_ID+x}" ]
then

    TMP_ID=$(head --bytes=16 /dev/urandom | od -A n -v -t x1 | tr -d ' ' | tr -d '\n')

    #echo $TMP_ID

    if [ ! "${TMP_ID+x}" ] ; then
        echo "WHAT THE FUCK TMP_ID is EMPTY!!!" >&2
        echo "GONNA USE SOME HAND TYPED ID INSTEAD!!!" >&2
        TMP_ID=journal_archive
    fi

    SETUP_VARS $TMP_ID

    mkdir "$TMP_PATH"

    for LOG_ENTRY_FILE in $(find /var/log/journal -name '*@*.journal' || exit)
    do
        echo "Found \"$LOG_ENTRY_FILE\""
        mv "$LOG_ENTRY_FILE" "$TMP_PATH/"
    done 
    
else
    echo "Found previous failed archive operation..."
    SETUP_VARS $TMP_ID
    
    echo $OUTPUT_DIR
    echo $DATE_NAME
    echo $TMP_PATH
fi


if [ -z "$(ls -A "$TMP_PATH")" ]
then
    echo "Nothing to archive. Aborting..."
    CLEAN
    return 2
fi

echo "Archiving journal files..." >&2

TMP_TARNAME=/tmp/$TMP_ID.tar.xz

echo "Creating archive... (it will be extremely slow because tar.xz with better ratio...)"
if ! tar -cvf - "$TMP_PATH" | xz -8 -z -c - > "$TMP_TARNAME"
then
    echo "Unable to create archive."
    rm "$TMP_TARNAME"
    
    echo "Exporting TMP_ID to allow next attempt..."
    export TMP_ID
    return 3
#    CLEAN
fi

mkdir -p "$OUTPUT_DIR" || exit
FIN_OUTPUT="$OUTPUT_DIR/$DATE_NAME"
mv "$TMP_TARNAME" "$FIN_OUTPUT" || exit

echo "Journal logs have been cleared and archived to \"$FIN_OUTPUT\"." >&2
CLEAN
export TMP_ID=""
return 0

java-package-loader.desktop

#!/usr/bin/env xdg-open
[Desktop Entry]
Categories=System
Exec=/usr/bin/java -jar %f
Icon=java
Name=Java Package Loader
Terminal=false
Type=Application

wine-loader.desktop

#!/usr/bin/env xdg-open
[Desktop Entry]
Categories=System
Exec=/usr/bin/wine start /unix %f
Icon=wine
Name=Wine Windows Application Loader
Terminal=false
Type=Application