Scripts -> tools + fresh backup script

This commit is contained in:
2022-07-10 14:42:40 +08:00
parent a6e0696e31
commit bdcd8e6bec
3 changed files with 110 additions and 123 deletions

108
tools/quick-backup.sh Normal file
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#!/bin/bash
#####################################################################
# #
# Stupidly simple backup script for own projects #
# #
# Author: Anthony Axenov (Антон Аксенов) #
# Version: 1.0 #
# License: WTFPLv2 More info (RU): https://axenov.dev/?p=1234 #
# #
#####################################################################
# https://gist.github.com/anthonyaxenov/b8336a2bc9e6a742b5a050fa2588d71e
# database credentials ==============================================
DBUSER=
DBPASS=
DBNAME=
DBCHARSET="utf8"
# date formats ======================================================
FMT_DT_DIR="%Y.%m.%d" # 2021.03.19
FMT_DT_FILE="%H.%M" # 08.24
FMT_DT_LOG="%H:%M:%S" # 08:24:15.168149413
# local storage =====================================================
LOCAL_BAK_DIR="/backup/$(date +$FMT_DT_DIR)"
# database backup file
LOCAL_SQL_FILE="$(date +$FMT_DT_FILE)-db.sql.gz"
LOCAL_SQL_PATH="$LOCAL_BAK_DIR/$LOCAL_SQL_FILE"
# project path and backup file
LOCAL_SRC_DIR="/var/www/"
LOCAL_SRC_FILE="$(date +$FMT_DT_FILE)-src.tar.gz"
LOCAL_SRC_PATH="$LOCAL_BAK_DIR/$LOCAL_SRC_FILE"
# log file
LOG_FILE="$(date +$FMT_DT_FILE).log"
LOG_PATH="$LOCAL_BAK_DIR/$LOG_FILE"
log() {
echo -e "[$(date +$FMT_DT_LOG)] $*" | tee -a "$LOG_PATH"
}
# remote storage ====================================================
REMOTE_HOST="user@example.com"
REMOTE_BAK_DIR="/backup/$(date +$FMT_DT_DIR)"
REMOTE_SQL_PATH="$REMOTE_BAK_DIR/$LOCAL_SQL_FILE"
REMOTE_SRC_PATH="$REMOTE_BAK_DIR/$LOCAL_SRC_FILE"
REMOTE_LOG_PATH="$REMOTE_BAK_DIR/$LOG_FILE"
# start =============================================================
echo
log "Start ----------------------------------------------------------------"
log "Initialized parameters:"
log "\tDB_USER\t\t= $DB_USER"
log "\tDB_NAME\t\t= $DB_NAME"
log "\tDB_CHARSET\t= $DB_CHARSET"
log "\tLOCAL_SRC_DIR\t= $LOCAL_SRC_DIR"
log "\tLOCAL_SRC_PATH\t= $LOCAL_SRC_PATH"
log "\tLOCAL_SQL_PATH\t= $LOCAL_SQL_PATH"
log "\tLOG_PATH\t= $LOG_PATH"
log "\tREMOTE_HOST\t= $REMOTE_HOST"
log "\tREMOTE_SQL_PATH\t= $REMOTE_SQL_PATH"
log "\tREMOTE_SRC_PATH\t= $REMOTE_SRC_PATH"
log "\tREMOTE_LOG_PATH\t= $REMOTE_LOG_PATH"
mkdir -p $LOCAL_BAK_DIR
log "Created local dir: $LOCAL_BAK_DIR"
ssh $REMOTE_HOST mkdir -p $REMOTE_BAK_DIR
log "Created remote dir: $REMOTE_BAK_DIR"
log "1/4 Dumping DB: $DBNAME..."
mysqldump \
--user="$DBUSER" \
--password="$DBPASS" \
--default-character-set="$DBCHARSET" \
--opt \
--quick \
"$DBNAME" | gzip > "$LOCAL_SQL_PATH"
# --opt Same as --add-drop-table, --add-locks, --create-options,
# --quick, --extended-insert, --lock-tables, --set-charset,
# and --disable-keys
[ $? -gt 0 ] && log "ERROR: failed to create dump. Exit-code: $?" || log "\t- OK"
log "2/4 Sending database backup to $REMOTE_HOST..."
rsync --progress "$LOCAL_SQL_PATH" "$REMOTE_HOST:$REMOTE_SQL_PATH"
[ $? -gt 0 ] && log "ERROR: failed to send database backup. Exit-code: $?" || log "\t- OK"
log "3/4 Compressing project dir: $LOCAL_SRC_DIR..."
tar -zcf "$LOCAL_SRC_PATH" "$LOCAL_SRC_DIR"
[ $? -gt 0 ] && log "ERROR: failed to compress project. Exit-code: $?" || log "\t- OK"
log "4/4 Sending project backup to ${REMOTE_HOST}..."
rsync --progress "$LOCAL_SRC_PATH" "$REMOTE_HOST:$REMOTE_SRC_PATH"
[ $? -gt 0 ] && log "ERROR: failed to send project backup. Exit-code: $?" || log "\t- OK"
rsync --progress "$LOG_PATH" "$REMOTE_HOST:$REMOTE_LOG_PATH"
log "Finish!"
log "Used space: $(du -h "$LOCAL_BAK_DIR" | tail -n1)"
log "Free space: $(df -h | tail -n1 | awk '{print $4}')"

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tools/second-mon.sh Executable file
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#!/bin/bash
#########################################################################
# #
# Set display resolution #
# #
# Author: Anthony Axenov (Антон Аксенов) #
# Version: 1.0 #
# License: WTFPL #
# #
#########################################################################
# #
# Using this script you can change your display resolution #
# to any one you need. Just adjust some vars below and run script #
# (chmod +x needed). #
# #
#########################################################################
# https://gist.github.com/anthonyaxenov/c16e1181d4b8a8644c57ec8a1f6cf21c
# Set display name to work with. You can get it via 'xrandr --listactivemonitors'
display="HDMI-2"
# Set width of this display in px
width=1600
# Set height of this display in px
height=900
# Sometimes cvt and gtf generates different modelines.
# You can play around and look which of them gives best result:
modeline=$(cvt ${width} ${height} | grep "Modeline")
# modeline=$(gtf ${width} ${height} 60 | grep "Modeline")
# Some important data needed to xrandr:
modename="${width}x${height}_my"
params=$(echo "$modeline" | sed "s|^\s*Modeline\s*\"[0-9x_.]*\"\s*||")
echo "Set resolution ${width}x${height} on display $display:"
echo "$modename $params"
# Simple logic:
# 1. Switch display to safe mode which always exists (I believe) to avoid errors
xrandr --output $display --mode 640x480
# 2. If display aready have our mode -- we must delete it to avoid errors
if $(xrandr | grep -q "$modename"); then
# 2.1. Detach mode from display
xrandr --delmode $display $modename
# 2.2. Remove mode itself
xrandr --rmmode $modename
fi
# 3. Create new mode with freshly generated parameters
xrandr --newmode $modename $params
# 4. Attach mode to our display
xrandr --addmode $display $modename
# 5. Switch display to this mode immidiately
xrandr --output $display --mode $modename