https://old.andunix.net/ 2026-06-04T03:57:13+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2015-01-29T09:15:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/print_key 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 … 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 2015-12-09T07:36:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/print_certificate Print Information about a Certificate openssl x509 -in testkey.crt -noout -text Informations about the used arguments from the OpenSSL man page: * x509: Certificate display and signing utility. * -in testkey.crt: This specifies the input filename to read a certificate from or standard input if this option is not specified. 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 2014-11-20T08:13:01+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 2009-07-21T17:52:00+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 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 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 2014-04-28T08:07:54+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 2014-12-18T15:34:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/convert_certificate Convert a Certificate Convert DER to PEM openssl x509 -inform der -in testkey.der -out testkey.pem Convert PEM to DER openssl x509 -outform der -in testkey.pem -out testkey.der openssl security cryptography certificate howto text/html 2009-10-26T11:36:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/geocache_gc1vy11 Found Geocache GC1VY11 "Ringpromenade" Yesterday, I visited my first geocache. For those interested, here is evidence: [geocache logbook] geocache gps outdoor text/html 2013-03-01T17:59:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/relax/index ReLAX This is the project page for ReLAX. relax index * Source Code (browse source code) Blog Entries * 2009-11-27: ReLAX project project_relax scripting shell sysadmin framework 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 2013-03-15T09:49:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/index 2009 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 2013-02-04T22:17:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/solaris/fstyp fstyp fstyp reports the type of file system. With the -v (verbose) option reports even more informations. * man page: fstyp(1M) Example UFS: ''fstyp'' fstyp /dev/rdsk/c1t0d0s0 ufs UFS: ''fstyp -v'' fstyp -v /dev/rdsk/c1t0d0s0 ufs magic 11954 format dynamic time Wed Dec 23 17:26:29 2009 sblkno 16 cblkno 24 iblkno 32 dblkno 760 sbsize 2048 cgsize 8192 cgoffset 64 cgmask 0xffffffc0 ncg 427 size 20972160 blocks 20654449 bsize 819… 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 2015-11-25T08:53:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mac/hostname Set a Mac's Hostname To set the permanent hostname, use the scutil utility (enter the desired hostname instead of the_hostname): sudo scutil --set HostName the_hostname Credits * <http://osxdaily.com/2010/09/06/change-your-mac-hostname-via-terminal/> mac osx cli sysadmin 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 2009-02-25T11:04:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/travian_village_planner_-_tribe_and_village_name 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'. text/html 2010-10-27T12:36:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2010/ips_repository_appliance 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. text/html 2009-02-18T19:25:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2009/dice_roller 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. 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 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