https://old.andunix.net/ 2026-06-04T02:59:35+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2014-02-22T13:16:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/virtualbox/cli VBoxManage (The VirtualBox CLI) This is a online reference of the output of VBoxManage without options. Oracle VM VirtualBox Command Line Management Interface Version 4.2.16 (C) 2005-2013 Oracle Corporation All rights reserved. Usage: VBoxManage [<general option>] <command> text/html 2014-04-28T09:01:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/linux/debian/cleanup_packages Cleanup Packages Purge uninstalled Packages If a package is removed, it is only uninstalled, but the configuration remains on the system. This is a good thing, as you are able to reinstall the package and have it configured with the old configuration. But if you want to cleanup this old stuff, you can ge a list of uninstalled (but not purged) packages with this command: text/html 2013-02-04T22:17:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/android/apps Android Apps Here are some links to Android Apps I'm using. Where available, there are both links, the paid and the free version. * Barcode Scanner * DavDrive / DavDrive Lite * DGT GTD & To-do List * Gleeo Time Tracker * K-9 Mail * KeePassDroid * Note Everything * Öffi - ÖPNV Auskunft * WebDAV Navigator / WebDAV Navigator Lite * Zeiterfassung Pro / Zeiterfassung android app list recommendation text/html 2013-03-01T20:24:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/rman Oracle: Recovery Manager Start Recovery Manager rman target / Delete Archive Logs Delete all archive logs but keep the last 45 days: DELETE ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE -45'; To remove archive logs older than 3 days without prompting, e.g. via cron, after backup run: text/html 2013-03-01T20:58:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/solaris/localeadm localeadm The localeadm utility queries and configures Solaris locales through a command line interface. * man page: localeadm(1M) Preparation Check your Solaris Release with cat /etc/release and get a matching DVD or ISO image. If you're using an ISO image, you have to mount it (insert your path in the first line. text/html 2013-09-02T20:37:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/prog/firefox/extensions Firefox Extensions Browsing Extensions Extension Description Adblock Plus A must-have. Blocks all these blinking ads which are so anoying. Greasemonkey Customize webpages using JavaScript. WOT, Web of Trust Information about the reputation of a page. Self-Destructing Cookies Removes cookies after closing the tab or navigating to another site. text/html 2013-02-04T22:17:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/user/remove MySQL: Remove User Remove User DROP USER '{user}'@'%'; Remove User and Database * Usually, {user} == {db} DROP USER '{user}'@'%'; DROP DATABASE '{db}'; admin database mysql sql text/html 2013-02-04T22:17:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/database/remove MySQL: Remove Database Remove Database DROP DATABASE IF EXISTS `{db}`; admin database mysql sql 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 2013-03-01T20:43:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/error Oracle Errors ORA-00257: archiver error. Connect internal only, until freed. * Reason: The flash recovery area is full. * Resolution: Remove archive logs. * Resolution: Enlarge the flash recovery area. * Documentation: 10.2 11.2 database documentation error oracle reference text/html 2013-03-01T20:36:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/spfile_and_pfiles Oracle: SPFile and PFiles Oracle reads its parameters from a file called “SPFile”. You can't change it directly as it's a binary file. Additionally, Oracle can read the parameters from “PFiles”, which are regular text files. Create PFile To export the SPFiles to a PFile, just enter the following in SQLplus: text/html 2013-02-04T22:17:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/solaris/exam_notes Notes for the Solaris 10 System Administration Exam (CX-310-200 & -202) I'm preparing myself for the two exams to achieve the Sun Certified System Administrator (SCSA) certification. This are my notes taken while studying the preparation books. Managing File Systems List Devices To list the system's devices, you can use the following commands: text/html 2015-11-25T09:43:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mac/rmdir rmdir for OSX The Finder on OSX creates .DS_Store files in the directories to store its settings. This makes removing directories from the command line quite complicated: $ rmdir test rmdir: test: Directory not empty $ rm test/.DS_Store $ /bin/rmdir test text/html 2017-01-04T09:33:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/sysadmin/tomcat_upload_limit Increase the Tomcat Upload Limit The “manager”-App of the Tomcats has a limit of 50MiB. This limit is defined in the file WEB-INF/web.xml within the “manager”-App: <multipart-config> <!-- 50MB max --> <max-file-size>52428800</max-file-size> <max-request-size>52428800</max-request-size> <file-size-threshold>0</file-size-threshold> </multipart-config> text/html 2013-02-04T22:17:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/solaris/pkg_repositories Package Repositories There's a list of multi-OS repositories at <http://wikis.sun.com/display/IpsBestPractices/Directory+of+Package+Repositories>. More on IPS, the Image Package System can be found at: * <http://www.opensolaris.org/os/project/pkg/>. * <http://wikis.sun.com/display/IpsBestPractices/> Repository Description <http://pkg.opensolaris.org/release/> OpenSolaris Distribution, Releases <http://pkg.opensolaris.org/dev/> OpenSolaris Distribution, Development Quality text/html 2017-04-13T20:11:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/sysadmin/list_open_ports List Open Ports To list the open ports together with the listening processes: netstat -tulpn Here is an example output: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 695/sshd tcp6 0 0 :::22 :::* LISTEN 695/sshd udp 0 0 0.0.0.0:55872 … text/html 2015-11-25T08:59:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mac/macports MacPorts List Ports list requested ports: port echo requested | cut -d ' ' -f 1 | uniq list installed ports: port -qv installed Housekeeping When ports are updated, the old port is only deactivated, not uninstalled: ... autoconf @2.69_2 autoconf @2.69_3 autoconf @2.69_5 ... text/html 2013-03-10T21:06:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mac/mac_command_line_audio Command Line Audio Change Mac Audio Volume from Command Line To change the audio volume from remote of my Mac at home, I needed a command line tool which I can use via ssh. I've found it here: OS X Daily - Change the system volume from the command line. It's as easy as sudo osascript -e "set Volume 10" text/html 2013-04-24T12:11:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/android/backup Android Backup To backup your device, use this command. It will automatically insert the current date in the filename: adb backup -apk -shared -all -f $(date '+%Y-%m-%d').db If you are havong problems with the connection (“adb: unable to connect for backup text/html 2013-07-03T13:03:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/linux/debian/init init Managing init Scripts To activate an init script (“myscript”): update-rc.d myscript enable To deactivate an init script (“myscript”): update-rc.d myscript remove Further information can be found at Daemon - Debian Wiki sysadmin linux debian cli text/html 2013-02-18T14:26:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/compare_key_with_certificate Compare a Key with its Certificate Credit for this example goes to “Verifying that a Private Key Matches a Certificate” from the University of Wisconsin Knowledgebase. To see if a key server.key belongs to the certificate server.crt, they need to have the same “modulus” and “exponent”. openssl x509 -noout -text -in server.crt openssl rsa -noout -text -in server.key text/html 2014-09-05T12:12:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/java/firefox_java-plugin Install the Java-Plugin for Firefox To install the Java plugin for Firefox, you have to create a symlink from Firefox's plugin directory /usr/lib/firefox-addons/plugins/ to the file libnpjp2.so in the JRE's “lib” dir. sudo ln -s \ ${JAVA_HOME}/jre/lib/amd64/libnpjp2.so \ /usr/lib/firefox-addons/plugins/libnpjp2.so text/html 2014-11-25T10:40:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/java/jax-ws_debugging JAX-WS Debugging If you use the builtin JAX-WS implementation and want to see the SOAP requests and responses, you have to turn on the “dump” option in the transport pipe. The system property to set depends on your Java version. com.sun.xml.ws.transport.http.client.HttpTransportPipe.dump=true com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.dump=true com.sun.xml.ws.transport.http.HttpAdapter.dump=true com.sun.xml.internal.ws.transport.http.HttpAdapter.dump=true text/html 2016-04-05T06:49:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mac/clear_dns_cache Clear DNS Cache To clear the DNS cache on OS X, you first have to flush the cache and then send a signal the the 'mDNSResponder'. dscacheutil -flushcache sudo killall -HUP mDNSResponder mac osx sysadmin dns cache cli text/html 2016-01-25T11:49:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/user/create MySQL: Create User Create User CREATE USER '{user}'@'%' IDENTIFIED BY '{passwd}'; Create User and Database * Usually, {user} == {db} CREATE USER '{user}'@'%' IDENTIFIED BY '{passwd}'; GRANT USAGE ON * . * TO '{user}'@'%' IDENTIFIED BY '{passwd}' WITH MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0 ; CREATE DATABASE IF NOT EXISTS `{db}`; GRANT ALL PRIVILEGES ON `{db}` . * TO '{user}'@'%';