https://old.andunix.net/ 2026-06-03T23:09:15+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2015-10-23T12:39:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/variables Shell Script Variables Last Character Get the last character of $a: ${a: -1} Remove Slash from the End of a Variable Remove a trailing slash from $a: a=${a%/} scripting bash sysadmin variable text/html 2015-11-25T08:51:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/tag/variable variable Pages Bookmarks text/html 2013-02-04T22:17:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/database/backup MySQL: Backup Export a Database # set or replace the variables $USER, $PASS and $DB mysqldump --add-drop-table -u${USER} -p${PASS} ${DB} Export all Databases individually # set or replace the variables $USER and $PASS DATE_YMD=$(date "+%Y-%m-%d") DATABASES=$(mysql --batch -u${USER} -p${PASS} mysql --execute='show databases') for db in ${DATABASES} do mysqldump --add-drop-table -u${USER} -p${PASS} ${DB} > ${DB}_${DATE_YMD}.sql & bzip2 ${DB}_${DATE_YMD}.sql & # sleep 10 # option… text/html 2013-02-04T22:17:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/dyndns_updates_without_client DynDNS Updates without a Client My new hosting provide Strato offers DynDNS. I was searching for a DynDNS client for my OpenSolaris Home Server, but a small bash script does the job as good as any other client. #! /bin/bash . ${HOME}/.dyndns.cfg DOMAINS=$(cat ${HOME}/.dyndns.domains) echo "$(date '+%Y-%m-%d %H:%M') $(basename $0)" for domain in ${DOMAINS}; do echo -n " ${domain} - " curl --silent --show-error --insecure --user ${LOGIN} "${UPDATE_URL}?hostname=${domain}" d… text/html 2010-04-29T14:07:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/set_php_variables_htaccess_files Set PHP Variables in .htaccess Files If your PHP scripts run longer than the maximum execution time set by your webhoster, then you will see a message like this: Fatal error: Maximum execution time of 30 seconds exceeded in ... To override the default for your webspace, you can use the php_value directive in a .htaccess file. text/html 2010-05-17T07:55:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/how_create_moveable_vm_virtualbox How To Create a Moveable VM with VirtualBox VirtualBox works good when you use the same VMs all the time. It organizes the disk images in one directory and the configuration files in another. It kees a record of all known disk images and virtual machines.