https://old.andunix.net/ 2026-06-03T21:20:43+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico 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 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 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 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 2013-02-04T22:17:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/z/relax/api/base/index base The base module implements the basic methods used by the other modules. Methods base index 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 2013-02-18T14:27:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/print_all_certificates_in_a_file Print all certificates in a file This command is especially helpful if you want to use Tomcat-/Java-Keystore-Certificates with the Apache webserver. Use the -print_certs to print all the certificates and then cut the file and store each certificate in a single file. 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 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/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 2013-02-04T22:17:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/plaintext Plaintext The plaintext is unencrypted and unsigned text. It's the payload which then get's signed and/or encrypted. Wikipedia defines plaintext as: " In cryptography, plaintext is information a sender wishes to transmit to a receiver. Cleartext is often used as a synonym. Before the computer era, plaintext most commonly meant message text in the language of the communicating parties. Plaintext has reference to the operation of cryptographic algorithms, usually encryption algorithms, and is … 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 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 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 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 2013-02-04T22:17:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/index Cryptography This guide tries to easily describe the terms used in cryptography. As all pages on this site, it's meant as a mnemonic for myself, but I'm happy if someone else finds it helpful too. cryptography index cryptography guide