https://old.andunix.net/ 2026-06-03T20:30:39+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2020-09-15T19:10:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/wiki/syntax Formatting Syntax DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing text/html 2015-11-25T08:54:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/home_server_goals Home Server Goals As Constantin suggested, here is a list of services, which my home server should provide: * Personal Video Recorder: I'm using the EyeTV Hard- and Software from Elgato to record, cut and archive TV broadcasts. * Secure File Archive/Backup text/html 2009-04-27T11:30:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/project_idea_wikitable Project Idea: WikiTable I'm using wikis a lot but every wiki I tried so far lacks support for tables. The wikis are able to show tables, but building a table using lots of pipes “|” sucks. What I want to develop (or learn that such a this already exists) is a small application which creates tables which then can be included in wiki pages. text/html 2010-10-04T12:33:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/upgrade_solaris_11opensolaris_text_graphical Upgrade Solaris 11/OpenSolaris from Text to Graphical If you installed your system using the text installer, the system will only be installed with a text interface. Here is how to upgrade to a graphical system. Do the following as root (su) or with appropriate permissions ( 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 2014-11-20T08:13:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/generate_key Generate a Test Key openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout testkey.key -out testkey.crt Informations about the used arguments from the OpenSSL man page: * req: PKCS#10 certificate request and certificate generating utility. * -x509: this option outputs a self signed certificate instead of a certificate request. This is typically used to generate a test certificate or a self signed root CA. The extensions added to the certificate (if any) are specified in the configurati… text/html 2009-08-11T15:06:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/zfs_playground ZFS Playground This small demo shows the basic ZFS operations. You will need a Solaris 10 or OpenSolaris host and 1,2GB of disk space. Preparation First, go to a directory where you have enought space. We will need 1,2GB for 6 files of 200MB. The files are named like disks, but they are only files for this demo. text/html 2013-02-04T22:17:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/relax/api/base/base-ssh-login base-ssh-login Logs into a remote host using ssh. This can be used to open a remote sesssion, but ususally it's used by other methods (especially base-exec-user) to remotely execute a command. Usage base-ssh-login SERVICE [ COMMAND ] * SERVICE: a key of an user or host definition in the repository. From this, the following properties are used: text/html 2013-03-02T19:19:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/cloudtable/index CloudTable Big Picture This concept-image shows the currently planned architecture. [CloudTable Big Picture Draft 1] The core appears as a single block for now, it will be broken up in a second version of the drawing. The config store stores the informations about the forms, tables and applications. Also the users will be stored here. The data store stores the text/html 2020-09-15T19:10:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/wiki/welcome Welcome to your new DokuWiki Congratulations, your wiki is now up and running. Here are a few more tips to get you started. Enjoy your work with DokuWiki, -- the developers Create your first pages Your wiki needs to have a start page. As long as it doesn't exist, this link will be red: text/html 2013-02-04T22:17:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/relax/api/base/base-exec-superuser base-exec-superuser Executes a command as a given user. Command is executed using ssh if the user is not on localhost. Before executing the command, the privileges will be elevated. This privilege elevation method is defined by $RIGHT_ELEVATION in the service configuration and can be either text/html 2010-05-17T07:55:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/how_create_moveable_vm_virtualbox How To Create a Moveable VM with VirtualBox VirtualBox works good when you use the same VMs all the time. It organizes the disk images in one directory and the configuration files in another. It kees a record of all known disk images and virtual machines. text/html 2014-04-28T08:07:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/debug_server_certificate_from_client Debug Server Certificate from Client Credit for this example goes to “ Checking A Remote Certificate Chain With OpenSSL” from langui.sh. openssl s_client -showcerts -connect www.andunix.net:443 Informations about the used arguments from the OpenSSL man page: * s_client: SSL/TLS client program * -showcerts: display the whole server certificate chain: normally only the server certificate itself is displayed. text/html 2013-02-04T22:17:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/relax/api/base/base-exec-user base-exec-user Executes a command as a given user. Command is executed using ssh if the user is not on localhost. Usage base-exec-user USER COMMAND * USER: A key of an user definition in the repository. From this, the following properties are used: text/html 2013-02-03T11:12:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/p/andunix-tool/index andunix-tool Usage: java -jar andunix-tool.jar <Global Options> <Command> <Command Options> Tip: I suggest to create a shell-script to ease the java starting: #! /bin/sh # Change this to the directory in which you put ''andunix-tool.jar'' # and the corresponding ''lib'' directory ANDUNIX_TOOL_DIR=${HOME}/opt/andunix-tool # Use this to define the path to your Java-Intallation JAVA_HOME=/opt/jdk exec ${JAVA_HOME}/bin/java -jar ${ANDUNIX_TOOL_DIR}/andunix-tool.jar $* text/html 2009-08-11T10:16:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/opensolaris_virtualbox_mount_shared_folder OpenSolaris / VirtualBox: Mount Shared Folder To mount a shared folder in a OpenSolaris guest in VirtualBox, you have to install the Guest Additions and then mount the file system type vboxfs. The Usage is: mount -F vboxfs <share> <mountpoint> text/html 2010-04-21T08:17:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/memory_usage_solaris_container_zone Memory Usage of a Solaris Container (Zone) Last week one of my servers ran out of RAM and Swap. Shame on me for not monitoring that, but it's now. As the server is running several zones, my first question was: Which zone is eating up my RAM? So, here are the commands I used. 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 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 2013-03-03T14:10:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2011/project_pda Project PDA I'm currently working on a project called 'PDA'. PDA stands for “Personal Digital Assistant”. I used several PDAs over the last two decades, from Sharp, Psion, Palm and others. But they all were just Personal Datastorages. I always missed the 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 2014-02-02T12:02:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/p/dmx/program Program The controller (Arduino) can be programmed to animate the value on a DMX channel from one value to another. The contoller has an program counter which is counted up by one every iteration. The iterations will be 5ms (200Hz), 10ms (100 Hz) or 20ms (50 Hz) long. The value of the program counter ist exchanged between the host an the controller with the command text/html 2013-02-04T22:17:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/solaris/dladm2dot Virtual Network Visualization OpenSolaris supports virtual networks using virtual interfaces connected with virtual switches. This feature was introduced with Project Crossbow in OpenSolaris 2009.06. To visualize the internal network(s), I created a perl script which takes the output of text/html 2014-01-27T14:38:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2014/simulating_slow_network_connections_with_trickle Simulating slow network connections with trickle You can limit the downlink of a Firefox browser to 512 KB/s with this command: trickle -d 512 /usr/bin/firefox -no-remote -P test More informations can be found on these pages: * trickle Homepage * Trickle in the Ubunutuuser Wiki (german) 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 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 2013-03-15T09:42:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/travian_village_planner Travian Village Planner Currently I'm working on a village planner for Travian. It was inspired by the village planner at <http://www.ebav.co.uk/travian/>, but I was missing a possibility to save and reference my village. So the main feature was saving the village to a bookmark. This is done by the 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 2013-09-02T20:37:01+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 2013-02-04T22:18:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/travian/travian_info_tool Travian Info Tool This tool in currently in planning. You will be able to get Informations about * players * allies * villages * fields URLs Subject ID URL Player uid /travian/info?w={world}&uid={id} Ally 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 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 2013-02-04T22:17:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/tools Command Line Tools Used in My Scripts This is a list of comman dline tools which I use in my scripts an which should be installed on every of my systems. Basic tools (e.g. awk, find, grep, ps) which are always installed are not listed. Audio/Video text/html 2013-02-04T22:17:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/p/pda/index Project PDA The Project PDA aims to build a real Personal Digital Assistant. * Data Collector: Collection of API Implementations to connect to several (Web-)Services and access data there * Blackbox: Entity Storage. Stores XML objects like tasks, notes etc. * PADD: Personal Access and Data Display. Named after the Star Trek Pads, it implements the pda index text/html 2013-02-04T22:17:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/relax/api/base/base-repo-get-value base-repo-get-value Loads a service configuration from the repository and outputs a single value (for the given key) to STDOUT. Usage base-repo-get-value SERVICE KEY * SERVICE: A key of a service definition in the repository. * KEY: The key for the value in the service definition to output. text/html 2013-03-01T20:38:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/resize_instance Oracle: Resize Instance In this example, the SGA will be resized to 6GB and the PGA to 2GB. First, change the SPFile: ALTER SYSTEM SET pga_aggregate_target = 2G SCOPE=SPFILE; ALTER SYSTEM SET sga_target = 6G SCOPE=SPFILE; Then, (optionally) export the SPFile to a PFile: 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 2013-02-04T22:17:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/root_login_with_bash root login with bash On our systems, the root account is set to be a role, so you can't login as root, just su to root from an user which has the root role. Also, the root user has the bourne shell (/bin/sh), but working with /bin/bash is much easier. Using this command, you can directly log in as text/html 2009-11-27T16:36:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/relax ReLAX Thanks to Wolfgang Stief and Constantin Gonzalez, I got hold on one of the proceedings of the Linux Kongress and OpenSolaris Developer Conference. In this book, I found amoung other, also very interesting, articles one about LAX by Thomas Groß. LAX has some very interesiting concepts, but, unfortunately, it doesn't fit my needs. So I decided to take some of the concepts of LAX and build my own sysadmin-automation-framework. text/html 2009-07-21T17:52:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/virtual_network_visualization Virtual Network Visualization OpenSolaris supports virtual networks using virtual interfaces connected with virtual switches. This feature was introduced with Project Crossbow in OpenSolaris 2009.06. To visualize the internal network(s), I created a perl script which takes the output of dladm show-link and generates a dot-File, which then can be rendered using 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: