andunix.net

Formatting Syntax

Anonymous (anonymous@undisclosed.example.com) — 2020-09-15T19:10:57+00:00

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

Cleanup Packages

Anonymous (anonymous@undisclosed.example.com) — 2014-04-28T09:01:22+00:00

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:

Notes for the Solaris 10 System Administration Exam (CX-310-200 & -202)

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:36+00:00

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:

IPS Repository Appliance

Anonymous (anonymous@undisclosed.example.com) — 2010-10-27T12:36:00+00:00

IPS Repository Appliance Brian Leonard wrote a good guide how to setup a Local Repository Mirror. If you are in a hurry, it's good to know that you don't need to copy the entire repository of about 8GB to a local disk. You can use the repository image directly. Here is how you can do that.

localeadm

Anonymous (anonymous@undisclosed.example.com) — 2013-03-01T20:58:12+00:00

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.

Project Idea: WikiTable

Anonymous (anonymous@undisclosed.example.com) — 2009-04-27T11:30:00+00:00

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.

How To Create a Moveable VM with VirtualBox

Anonymous (anonymous@undisclosed.example.com) — 2010-05-17T07:55:00+00:00

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.

Dice Roller

Anonymous (anonymous@undisclosed.example.com) — 2009-02-18T19:25:00+00:00

Dice Roller I programmend a small dice roller in javascript. You enter the number of dice, sides and the offset and press the button “roll”. The script shows the individual dice and the resulting sum. For convenience, there is a second form where you can just enter the number of dice and press the butten for the type of dice. At the bottom, there are some links of six- and eightsided dice, which are often needed in roleplaying games. You can also create bookmarks for dice, e.g.

Oracle: SPFile and PFiles

Anonymous (anonymous@undisclosed.example.com) — 2013-03-01T20:36:05+00:00

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:

Memory Usage of a Solaris Container (Zone)

Anonymous (anonymous@undisclosed.example.com) — 2010-04-21T08:17:00+00:00

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.

Simulating slow network connections with trickle

Anonymous (anonymous@undisclosed.example.com) — 2014-01-27T14:38:19+00:00

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)

Command Line Audio

Anonymous (anonymous@undisclosed.example.com) — 2013-03-10T21:06:49+00:00

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"

Travian Village Planner - Tribe & Village Name

Anonymous (anonymous@undisclosed.example.com) — 2009-02-25T11:04:00+00:00

Travian Village Planner - Tribe & Village Name Yesterday, I had some time and worked on the Village Planner. It now has an input field for the name of the village and you can select your tribe. Both informations are saved to the URL when clicking on “make bookmark”. The tribe is saved as parameter 't' and the name as 'n'.

DynDNS Updates without a Client

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:34+00:00

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…

MacPorts

Anonymous (anonymous@undisclosed.example.com) — 2015-11-25T08:59:36+00:00

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 ...

base-exec-superuser

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:31+00:00

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

Oracle: List Accounts with Objects

Anonymous (anonymous@undisclosed.example.com) — 2013-03-01T20:26:48+00:00

Oracle: List Accounts with Objects To list all accounts (users) the objects (like tables), you can query them with: SELECT DISTINCT OWNER FROM DBA_OBJECTS ORDER BY OWNER; If you want to list all accounts, you can query them with: SELECT USERNAME FROM ALL_USERS ORDER BY USERNAME;

root login with bash

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:35+00:00

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

MySQL: Change Password

Anonymous (anonymous@undisclosed.example.com) — 2013-12-17T09:09:25+00:00

MySQL: Change Password * Replace {passwd} with the password of the user. * Replace {user} with the name of the user. GRANT USAGE ON *.* TO '{user}'@'%' IDENTIFIED BY '{passwd}'; FLUSH PRIVILEGES; Or you can alternatively use the following: UPDATE mysql.user SET Password=PASSWORD('{passwd}') WHERE User='{user}'; FLUSH PRIVILEGES;

OpenSolaris / VirtualBox: Mount Shared Folder

Anonymous (anonymous@undisclosed.example.com) — 2009-08-11T10:16:00+00:00

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

Convert a Key

Anonymous (anonymous@undisclosed.example.com) — 2019-01-17T19:19:12+00:00

Convert a Key Convert P12 to Java Keystore keytool -importkeystore -srckeystore testkey.p12 -srcstoretype pkcs12 -srcalias 1 -destkeystore testkey.jks -deststoretype jks -destalias testkey You can add -deststorepass PASSWORD to set the password on the command line. If you don't, keytool will ask you for a password.

WiFi Config QR-Code

Anonymous (anonymous@undisclosed.example.com) — 2016-07-14T06:40:34+00:00

WiFi Config QR-Code To generate a qr-code for a wifi config, you must encode the following URL in the qr-code: WIFI:S:;T:;P:;; If the network is hidden, then add H:true;: WIFI:S:;T:;P:;H:true;; You can try it here:

Solaris Manuals

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:37+00:00

Solaris Manuals man pages :!: Tip: You can download the whole collection of man pages as PDF. * Solaris 10 Reference Manual Collection * OpenSolaris Reference Manual Collection solaris manual reference documentation download

jps - Java Virtual Machine Process Status Tool

Anonymous (anonymous@undisclosed.example.com) — 2013-02-19T14:05:55+00:00

jps - Java Virtual Machine Process Status Tool The Java Virtual Machine has a jps tool wich is a bit like the ps command. jps lists all java Processes of a user. You can find the man page at . I'm using it with the parameters -l (long listing) and -m

Travian Village Planner

Anonymous (anonymous@undisclosed.example.com) — 2013-03-15T09:42:18+00:00

Travian Village Planner Currently I'm working on a village planner for Travian. It was inspired by the village planner at , 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

Start and Stop the Apple File Server from Command Line

Anonymous (anonymous@undisclosed.example.com) — 2015-11-25T08:53:41+00:00

Start and Stop the Apple File Server from Command Line You can use /sbin/service to start or stop the “Personal File Sharing”. Start the Apple File Server (“Personal File Sharing”): sudo /sbin/service com.apple.AppleFileServer start And likewise stop it:

rmdir for OSX

Anonymous (anonymous@undisclosed.example.com) — 2015-11-25T09:43:44+00:00

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

Home Server Goals

Anonymous (anonymous@undisclosed.example.com) — 2015-11-25T08:54:33+00:00

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

CloudTable

Anonymous (anonymous@undisclosed.example.com) — 2013-03-02T19:19:04+00:00

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

Print Information about a Key

Anonymous (anonymous@undisclosed.example.com) — 2015-01-29T09:15:22+00:00

Print Information about a Key openssl x509 -inform DER -in testkey.cer -noout -text Informations about the used arguments from the OpenSSL man page: * x509: Certificate display and signing utility. * -inform DER: This specifies the input format normally the command will expect an X509 certificate but this can change if other options such as -req are present. The DER format is the DER encoding of the certificate and PEM is the base64 encoding of the DER encoding with header and footer lines …

Virtual Network Visualization

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:36+00:00

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

Firefox Extensions

Anonymous (anonymous@undisclosed.example.com) — 2013-09-02T20:37:01+00:00

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.

Program

Anonymous (anonymous@undisclosed.example.com) — 2014-02-02T12:02:33+00:00

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

Android Backup

Anonymous (anonymous@undisclosed.example.com) — 2013-04-24T12:11:00+00:00

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

Virtual Network Visualization

Anonymous (anonymous@undisclosed.example.com) — 2009-07-21T17:52:00+00:00

Project PDA

Anonymous (anonymous@undisclosed.example.com) — 2013-03-03T14:10:12+00:00

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

Set PHP Variables in .htaccess Files

Anonymous (anonymous@undisclosed.example.com) — 2010-04-29T14:07:00+00:00

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.

Welcome to your new DokuWiki

Anonymous (anonymous@undisclosed.example.com) — 2020-09-15T19:10:57+00:00

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:

ReLAX

Anonymous (anonymous@undisclosed.example.com) — 2009-11-27T16:36:00+00:00

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.

Solaris: List Devices

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:37+00:00

Solaris: List Devices To list the system's devices, you can use the following commands: * dmesg * format * prtconf * sysdef solaris sysadmin device cli admin

init

Anonymous (anonymous@undisclosed.example.com) — 2013-07-03T13:03:11+00:00

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

Setting the Timezone

Anonymous (anonymous@undisclosed.example.com) — 2013-03-08T10:45:00+00:00

Setting the Timezone The timezone is stored in the file /etc/timezone. Check the Timezone cat /etc/timezone Example: # cat /etc/timezone Europe/London Set the Timezone You can use vi: vi /etc/timezone Or set it directy: echo "Europe/Berlin" > /etc/timezone

base-ssh-login

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:32+00:00

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:

Git

Anonymous (anonymous@undisclosed.example.com) — 2018-12-06T10:07:22+00:00

Git Basics Init Repository Standard: git init [DIR] Bare: git init --bare [DIR] Log See commits between branches: git log master..develop Branches List Branches git branch Switch Branch git checkout BRANCH Delete Branch git branch -d BRANCH Delete Remote Branch

Welcome Back

Anonymous (anonymous@undisclosed.example.com) — 2013-10-18T08:01:58+00:00

Welcome Back In 2010 I moved my blog from DokuWiki to Drupal. Today, I moved it back to DokuWiki. The reason for switching to Drupal was for the better blogging support. As I'm using this site more as Knowledge Base than a Blog, DokuWiki is the better alternative. You can still access the old site at old.andunix.net.

Project PDA

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:31+00:00

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

Generate a Test Key

Anonymous (anonymous@undisclosed.example.com) — 2014-11-20T08:13:01+00:00

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…

Drupal: Reverse Proxy

Anonymous (anonymous@undisclosed.example.com) — 2013-03-12T21:41:05+00:00

Drupal: Reverse Proxy skybow wrote the very helpful article “Drupal via HTTPS/SSL Proxy Server (shared certificates)”. While following his advice, I found some improvements. To reduce the amount of editing and to increate the reusability, I substituted * www.example.com with $_SERVER['SERVER_NAME'] and

Package Repositories

Anonymous (anonymous@undisclosed.example.com) — 2013-02-04T22:17:37+00:00

Package Repositories There's a list of multi-OS repositories at . More on IPS, the Image Package System can be found at: * . * Repository Description OpenSolaris Distribution, Releases OpenSolaris Distribution, Development Quality

Automatic Submission of a Form if an Element is changed

Anonymous (anonymous@undisclosed.example.com) — 2013-03-14T08:22:05+00:00

Automatic Submission of a Form if an Element is changed To submit the form if an element changes, you can use onChange="this.form.submit()" Example

Compare directories

Anonymous (anonymous@undisclosed.example.com) — 2018-09-19T12:34:39+00:00

Compare directories For each of the directories, generate a digest file: find DIR -type f -exec shasum {} + | LC_ALL=C sort -d -k 2 > shasums.txt It's important to use LC_ALL=C and the option -d of sort, to get compareable results on different machines.