OSMC kodi
Install Korean language Install Korean Nanum font
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sudo apt-get install fonts-nanum |
Download Noto-CJK fonts from here
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cd ~osmc unzip NotoSansCJKtc_ttf.zip |
Copy fonts to skin directory
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sudo cp /usr/share/fonts/truetype/nanum/NanumGothic.ttf /usr/share/kodi/media/Fonts/ sudo cp /usr/share/fonts/truetype/nanum/NanumGothic.ttf /usr/share/kodi/addons/skin.osmc/fonts/ sudo cp ~osmc/NotoSansCJKtc-Thin.ttf /usr/share/kodi/media/Fonts/ sudo cp ~osmc/NotoSansCJKtc-Thin.ttf /usr/share/kodi/addons/skin.osmc/fonts/ |
Change font in skins (example for osmc default skin)
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sudo cp /usr/share/kodi/addons/skin.osmc/16x9/Font.xml /usr/share/kodi/addons/skin.osmc/16x9/Font.xml.otg sudo vi /usr/share/kodi/addons/skin.osmc/16x9/Font.xml :%s/SourceSansPro-Regular.ttf/NotoSansCJKtc-Thin.ttf/g :%s/NotoSans-Regular.ttf/NotoSansCJKtc-Thin.ttf/g :%s/LiberationMono-Regular.ttf/NotoSansCJKtc-Thin.ttf/g :%s/Arial.ttf/NotoSansCJKtc-Thin.ttf/g :%s/OpenSans-Regular.ttf/NotoSansCJKtc-Thin.ttf/g :%s/Roboto-Light.ttf/NotoSansCJKtc-Thin.ttf/g :%s/Roboto-Thin.ttf/NotoSansCJKtc-Thin.ttf/g :%s/Roboto-Bold.ttf/NanumGothicBold.ttf/g :%s/NotoSans-Bold.ttf/NanumGothicBold.ttf/g :%s/NanumGothicBold.ttf/NotoSansCJKtc-Black.ttf/g |
Install hangul input
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sudo apt-get install ibus-hangul |
Install Daum scraper Download addon from here
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wget https://xbmc-korea-addons.googlecode.com/files/repository.xbmc-korea.com-1.0.7.zip |
Install addon at menu of KODI Measure temperature
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sudo vcgencmd measure_temp |
Start/Stop kodi
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sudo systemctl restart/stop/start mediacenter |
Install SRSd with Postfix on OpenSUSE
Postfix Sender Rewriting Scheme(SRS) daemon
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zypper install postsrsd vi /etc/default/postsrsd SRS_DOMAIN=xxx.com vi /etc/postfix/main.cf inet_interfaces = all inet_protocols = ipv4 myhostname = smtp.xxx.com mynetworks_style = subnet mynetworks = 10.3.0.0/16, 192.168.1.0/24 relay_domains = $mydestination, hash:/etc/postfix/relay virtual_alias_domains = hash:/etc/postfix/virtual virtual_alias_maps = hash:/etc/postfix/virtual # Aiden: PostSRSd settings. sender_canonical_maps = tcp:localhost:10001 sender_canonical_classes = envelope_sender recipient_canonical_maps = tcp:localhost:10002 recipient_canonical_classes= envelope_recipient,header_recipient # Aiden: Optimizing maximal_queue_lifetime = 1d bounce_queue_lifetime = 1d maximal_backoff_time = 30m minimal_backoff_time = 5m queue_run_delay = 5m vi /etc/postfix/virtual @sss.com webmaster@company.com alert@ttt.com aiden@company.com,tom@company.com owner@ttt.com jane@company.com vi /etc/postfix/relay xxx.com OK sss.com OK ttt.com OK systemctl restart postsrsd systemctl restart postfix |
자체적으로 rotate되는 로그파일에 logrotate 적용하기
tomcat 기본설정 처럼 로그파일 이름이 자체적으로 rotate되어 버리는 경우, logrotate 로의 통합이 어렵다. 네이밍은 자체룰을 이용하고 압축을 하는 등 후작업을 logrotate에 넣는 방식으로 통합하는 방법이다.
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vi /etc/logrotate.d/tomcat /var/log/tomcat-access-log-dummy { su root root rotate 0 create 664 tomcat root daily ifempty lastaction /usr/bin/find /home/www/*/logs/*.txt -mtime +30 -delete /usr/bin/find /home/www/*/logs/*.txt -mtime +1 -exec gzip -q {} \; endscript } touch /var/log/tomcat-access-log-dummy |
Apache 2.4 IP-ACL for ELB (also any other Proxy/LB)
As you all know, we use the ‘X-Forwarded-For’ header to determine the IP of client when the HTTPD is behind the ELB (or other Proxy/LB). However it is very difficult to set the IP-ACL in Apache configuration files common to the cases with and without LB. (due to the Apache environment variables) So I have been operating under this settings for some services.
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<IfModule mod_setenvif.c> SetEnvIf Server_Addr "(.+)" z_local_addr=$1 SetEnvIf Remote_Addr "^([0-9\.]+)" z_remote_addr=$1 SetEnvIf X-Forwarded-For "^([0-9\.]+)" z_remote_addr=$1 SetEnvIfNoCase Request_Protocol "^([a-z]+)" z_service_proto=$1 SetEnvIfNoCase X-Forwarded-Proto "^([a-z]+)" z_service_proto=$1 SetEnvIf z_remote_addr "^127\.0\.0\.1$" z_remote_trusted SetEnvIf z_remote_addr "^10\.1\.3\." z_remote_trusted SetEnvIf z_remote_addr "^192\.168\.1\." z_remote_trusted SetEnvIf z_remote_addr "^123\.123\.123\.254$" z_remote_trusted </IfModule> <Location /> <RequireAny> Require env z_remote_trusted Require expr "env('z_remote_addr') -ipmatch '22.33.44.0/24'" Require expr "env('z_remote_addr') in { '11.22.33.44', '11.22.33.55' }" </RequireAny> </Location> |
If you see “syntax error, unexpected $end”, just remove queotes of expressions. This is a bug of apache httpd.
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<Location /> <RequireAny> Require env z_remote_trusted Require expr env('z_remote_addr') -ipmatch '22.33.44.0/24' Require expr env('z_remote_addr') in { '11.22.33.44', '11.22.33.55' } </RequireAny> </Location> |
MySQL Stored Procedure for CRUD Dynamic Queries
The new MySQL 5.7 version has some great features. One of them is the ‘JSON data’ type. We can use it for column of table like ‘Virtual Colunm’ with Indexing. But, ‘JSON data’ is also useful for stored procedure. Because we can compact parameters and the procedure could be more flexible.I made the procedures for table insert/update via JSON parameter. When I apply them to my project, data-handling codes in the application decreased dramatically. (These procedures impliment ‘MySQL Procedure Pattern for Nested Transaction‘) The code below is an old version. The ‥‥‥
AWS Solutions Architect Associate
I Passed the AWS Solutions Architect Associate Exam. The test is a quite difficult if you do not know exactly about the overall AWS. I’ll think about challenging professional qualifications the next step, if this certification useful.
Mysql Backup Script
Features Full Backup (Mysqldump) Incremental Backup (Bin-log) Local Backup & Remote(AWS S3) Upload Sample Environments MySQL bin log prefix : mysql-bin BINLOG_PATH=/home/mysql/data BACKUP_ROOT=/home/backup/mysql S3_PATH=s3://system-backup/{SyatemName}/mysql
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#!/bin/bash #---------------------------------------- # MySQL Backup Script # Revision 20160531 # Copyright (c) Aiden Kim # http://www.daemon.pe.kr #---------------------------------------- ARCHIVE_PERIOD=60 BINLOG_PATH=/home/mysql/data BASE_PATH=/home/backup/mysql SYSNAME=$(echo $HOSTNAME | tr "[:lower:]" "[:upper:]") S3_PATH=s3://system-backup/${SYSNAME}/mysql STATUS_PATH=${BASE_PATH}/mysql-backup-status ## prepare path if ! [ -d ${BASE_PATH} ]; then /bin/mkdir -p ${BASE_PATH} fi # Full backup if [[ "$1" == "full" ]]; then echo "MySQL Full Backup started `date`..." # prepare directory TSTR=$(date +"%Y%m%d_%H%M%S") BACKUP_PATH=${BASE_PATH}/${TSTR} if ! [[ -d ${BACKUP_PATH} ]]; then /bin/mkdir -p ${BACKUP_PATH} fi /bin/rm -rf ${BACKUP_PATH}/* # get old full backup information if [[ -r ${STATUS_PATH} ]]; then OLD_BACKUP_PATH=`/bin/cat ${STATUS_PATH} | /bin/sed -n '1p'` OLD_START_BINLOG=`/bin/cat ${STATUS_PATH} | /bin/sed -n '2p'` fi # mysqldump /usr/local/mysql/bin/mysqldump --all-databases --routines --events --hex-blob --single-transaction --flush-logs --master-data=2 --include-master-host-port > ${BACKUP_PATH}/full_backup-${TSTR}.sql START_BINLOG=`/bin/sed -rn "1,50 s/^.+ MASTER_LOG_FILE\='(mysql-bin\.[0-9]+)'.+$/\1/p" ${BACKUP_PATH}/full_backup-${TSTR}.sql | /bin/sed -n '1p'` echo "${BACKUP_PATH}" > ${STATUS_PATH} echo "${START_BINLOG}" >> ${STATUS_PATH} /bin/gzip ${BACKUP_PATH}/full_backup-${TSTR}.sql # finalize previous full backup data if [[ -n ${OLD_BACKUP_PATH} ]] && [[ -n ${OLD_START_BINLOG} ]] && [[ -d ${OLD_BACKUP_PATH} ]]; then for FILE in `ls ${BINLOG_PATH}/mysql-bin.?????? | sort -g` do if [[ "${FILE}" < "${BINLOG_PATH}/${START_BINLOG}" ]]; then if [[ "${FILE}" == "${BINLOG_PATH}/${OLD_START_BINLOG}" ]] || [[ "${FILE}" > "${BINLOG_PATH}/${OLD_START_BINLOG}" ]]; then /bin/cp -afpu ${FILE} ${OLD_BACKUP_PATH}/ fi fi done fi # Incremental backup else echo "MySQL Incremental Backup started..." # get previous full backup data if ! [[ -r ${STATUS_PATH} ]]; then echo "Could not find full backup status file." exit 1 fi BACKUP_PATH=`/bin/cat ${STATUS_PATH} | /bin/sed -n '1p'` START_BINLOG=`/bin/cat ${STATUS_PATH} | /bin/sed -n '2p'` TSTR=`/bin/echo ${BACKUP_PATH} | sed -rn "s/^.+\/(20[0-9]{6}_[0-9]{6})$/\1/p"` if ! [[ -d ${BACKUP_PATH} ]]; then echo "Could not find last full backup path." exit 2 fi if ! [[ -d ${BINLOG_PATH} ]]; then echo "Could not find mysql bin-log path." exit 2 fi # flush logs & copy bin-logs /usr/local/mysql/bin/mysqladmin flush-logs BINLOG_CURR=`ls -d ${BINLOG_PATH}/mysql-bin.?????? | sed 's/^.*\.//' | sort -g | tail -n 1` for FILE in `ls ${BINLOG_PATH}/mysql-bin.?????? | sort -g` do if [[ "${BINLOG_PATH}/mysql-bin.${BINLOG_CURR}" != "${FILE}" ]]; then if [[ "${FILE}" == "${BINLOG_PATH}/${START_BINLOG}" ]] || [[ "${FILE}" > "${BINLOG_PATH}/${START_BINLOG}" ]]; then /bin/cp -afpu ${FILE} ${BACKUP_PATH}/ fi fi done fi # sync to s3 bucket /usr/bin/aws s3 sync ${BACKUP_PATH}/ ${S3_PATH}/${TSTR}/ # remove old backups oldDirs=($(/bin/find ${BASE_PATH} -type d -mtime +${ARCHIVE_PERIOD})) oldDirLen=${#oldDirs[@]} for (( i=0; i<${oldDirLen}; i++ )); do /bin/rm -rf ${oldDirs[$i]} done exit 0 |
Executing
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# Full Backup ./backup.mysql.sh full # Incremental Backup ./backup.mysql.sh |
Subversion Repogitories Backup Script
Features Full Backup (Dump) Incremental Backup (Dump) Local Backup & Remote(AWS S3) Upload Sample Environments REPOS_ROOT=/home/svn/repos BACKUP_ROOT=/home/backup/svn S3_PATH=s3://svn-backup/svn
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#!/bin/bash #---------------------------------------- # Subversion Repogitories Backup Script # Revision 20160531 # Copyright (c) Aiden Kim # http://www.daemon.pe.kr #---------------------------------------- DSTR=$(date +"%Y%m%d") ARCHIVE_PERIOD=30 REPOS_ROOT=/home/svn/repos BACKUP_ROOT=/home/backup/svn S3_PATH=s3://svn-backup/svn # Each repogitories REPOS_DIRS=`ls -t ${REPOS_ROOT} 2>/dev/null` for DIR in ${REPOS_DIRS}; do # Create directory BACKUP_PATH=${BACKUP_ROOT}/repo-${DIR} if ! [ -d ${BACKUP_PATH} ]; then /bin/mkdir -p ${BACKUP_PATH} fi # Get lastest revision CURR_VER=`/usr/bin/svnlook youngest ${REPOS_ROOT}/${DIR} 2>/dev/null` if ! [[ ${CURR_VER} =~ ^[0-9]+$ ]] ; then echo "Could not get revision of repogitory ${DIR}. Skipped..." continue fi if [[ "$1" == "full" ]]; then # Full dump /usr/bin/svnadmin dump -q -r0:${CURR_VER} ${REPOS_ROOT}/${DIR} > ${BACKUP_PATH}/${DIR}-${DSTR}-full-${CURR_VER}.dump && /usr/bin/gzip -f ${BACKUP_PATH}/${DIR}-${DSTR}-full-${CURR_VER}.dump else # Find last full dump LAST_VER=`/usr/bin/ls -d ${BACKUP_PATH}/*-full-*.dump.gz | sed -r 's/^.*-full-([0-9]+)\.dump\.gz$/\1/' | sort -g | tail -n 1 2>/dev/null` if [[ ${LAST_VER} =~ ^[0-9]+$ ]] ; then if [ ${CURR_VER} -gt ${LAST_VER} ] ; then /usr/bin/svnadmin dump -q --incremental -r${LAST_VER}:${CURR_VER} ${REPOS_ROOT}/${DIR} > ${BACKUP_PATH}/${DIR}-${DSTR}-incremental-${LAST_VER}-${CURR_VER}.dump && /usr/bin/gzip -f ${BACKUP_PATH}/${DIR}-${DSTR}-incremental-${LAST_VER}-${CURR_VER}.dump else echo "Revision of ${DIR} was not changed. Current ${CURR_VER}, Last full-dump ${LAST_VER}. Skipped..." fi else echo "Could not file previous full-dump of ${DIR}. Skipped..." fi fi # Garbage rm -f ${BACKUP_PATH}/*.dump done # Sync to s3 bucket /usr/bin/aws s3 sync ${BACKUP_ROOT}/ ${S3_PATH}/ # Remove old files oldFiles=($(/bin/find ${BACKUP_ROOT} -type f -mtime +${ARCHIVE_PERIOD})) oldFilesLen=${#oldFiles[@]} for (( i=0; i<${oldFilesLen}; i++ )); do /bin/rm -rf ${oldFiles[$i]} done exit 0 |
Executing
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# Full Backup ./backup.svn.sh full # Incremental Backup ./backup.svn.sh |
Don’t use utf8 encoding in MySQL (>= 5.5.3)
오늘날 한국어/중국어/일본어등 2바이트 문자권에서의 SW개발 및 다국어를 대비한 문자열 인코딩은 거의 UTF-8로 통일화 되고 있다. 그런데, MySQL의 문자인코딩 중 utf8인코딩은 ‘진짜 UTF-8’이 아니다 ! 원래 UTF-8은 규약상 한 문자가 4바이트까지 사용하는데 MySQL의 utf8인코딩은 3바이트까지만 입력이 가능하기 때문이다. 대부분의 한중일 문자는 3바이트 코드로 표현이 가능한데, 특히 특수문자나 한자를 많이 사용하는 일본어 등에서는 심심치 않게 4바이트 문자에 의한 문제가 나타난다. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ‥‥‥
When Nagios send alert mails with attachement…
When Nagios send alert mails with attachement… Perhaps this problem is that if a device name or warning message include non-Latin characters. 1. Add new command to nagios configuration Original commands
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# 'notify-host-by-email' command definition define command{ command_name notify-host-by-email command_line /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress: $HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n" | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is $HOSTSTATE$ **" $CONTACTEMAIL$ } # 'notify-service-by-email' command definition define command{ command_name notify-service-by-email command_line /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: $HOSTALIAS$\nAddress: $HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time: $LONGDATETIME$\n\nAdditional Info:\n\n$SERVICEOUTPUT$\n" | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$ } |
New commands
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define command { command_name notify-host-by-email-encodingsafe command_line /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress: $HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n" | /usr/bin/env php /usr/local/bin/convert-encoding.php | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is $HOSTSTATE$ **" $CONTACTEMAIL$ } define command { command_name notify-service-by-email-encodingsafe command_line /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: $HOSTALIAS$\nAddress: $HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time: $LONGDATETIME$\n\nAdditional Info:\n\n$SERVICEOUTPUT$\n" | /usr/bin/env php /usr/local/bin/convert-encoding.php | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$ } |
2. Message filter script (PHP)
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<?php /* +-------------------------------------------------------------------------+ | Copyright (C) 2016 Aiden Kim | +-------------------------------------------------------------------------+ */ /* do NOT run this script through a web browser */ if (!isset($_SERVER['argv'][0]) || isset($_SERVER['REQUEST_METHOD']) || isset($_SERVER['REMOTE_ADDR'])) { die('<br><strong>This script is only meant to run at the command line.</strong>'); } /* We are not talking to the browser */ $no_http_headers = true; /* Supress all internal error */ error_reporting(0); /* process calling arguments */ $parms = $_SERVER['argv']; array_shift($parms); /* stdin */ $handle = fopen ("php://stdin","r"); $stdin = stream_get_contents($handle); if (sizeof($parms) || !empty($stdin)) { $input_string = ''; $output_string = ''; $input_file = ''; $output_file = ''; $input_encoding = ''; $output_encoding = 'UTF-8'; $detection_order = 'SJIS-win,SJIS,eucJP-win,EUC-JP,ISO-2022-JP-MS,ISO-2022-JP,CP51932,CP932,EUC-KR,ISO-2022-KR,GB18030,BIG-5,EUC-CN,EUC-TW,CP950,UTF-8,UTF-16,UCS-2,UCS-4,8bit,ASCII,7bit'; for ($i=0; $i<count($parms); $i++) { @list($arg, $value) = @explode('=', $parms[$i]); switch ($arg) { case '--input-file': $input_file = trim($value); break; case '--output-file': $output_file = trim($value); break; case '--input-encoding': $input_encoding = trim($value); break; case '--output-encoding': $output_encoding = trim($value); break; case '--detection-order': $detection_order = trim($value); break; default: if ( $i < count($parms)-1 ) { echo 'ERROR: Invalid Argument: ('.$arg.')'.PHP_EOL.PHP_EOL; exit(1); }else{ $input_string = trim($parms[$i]); } } } if (!empty($stdin)) { $input_string = $stdin; } if (empty($input_string)) { if (empty($input_file)) { echo 'ERROR: No Input String (Requiring at least one of [STRING] and [--input-file])'.PHP_EOL.PHP_EOL; display_help(); exit(1); }else{ $input_string = @file_get_contents($input_file); if ($input_string===false) { echo 'ERROR: Could Not Read Input File ('.$input_file.')'.PHP_EOL.PHP_EOL; exit(1); } } } if (empty($input_encoding)) { $input_encoding = @mb_detect_encoding($input_string, $detection_order); } $output_string = @mb_convert_encoding($input_string, $output_encoding, $input_encoding); if (!empty($output_file)) { $ret = @file_put_contents($output_file, $output_string); if ($ret===false) { echo 'ERROR: Could Not Write Output File ('.$output_file.')'.PHP_EOL.PHP_EOL; exit(1); } }else{ echo $output_string; } exit(0); } else { echo 'ERROR: no parameters given'.PHP_EOL.PHP_EOL; display_help(); exit(1); } function display_help() { echo 'Usage: convertcharset.php [OPTION]... [STRING]'.PHP_EOL; echo 'STRING is the source string will be encoded.'.PHP_EOL; echo 'OPTION:'.PHP_EOL; echo ' --input-file=FILE Path to the file where to read source data.'.PHP_EOL; echo ' --input-encoding=ENCODING The character code name of source data.'.PHP_EOL; echo ' --output-file=FILE Path to the file where to write converted data. '.PHP_EOL; echo ' --output-encoding=ENCODING The character code name of converted data. Default UTF-8.'.PHP_EOL; echo ' --detection-order=ENCODING[,ENCODING]... Encoding order list of character encoding. List may be comma separated list string. '.PHP_EOL; } ?> |
Actually I wanted to make a filter by Python. But it was less accurate than PHP to determine the encoding of the input string.
