https://old.andunix.net/ 2026-06-03T20:30:31+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 2019-01-17T19:19:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/convert_key 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. 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 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 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 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 2016-09-26T19:25:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/script/exiftool exiftool Rename Photos Try it first with -testname: exiftool -d %Y-%m-%d_%H%M%S%%-c.%%e "-testname<CreateDate" *.jpg Then rename the files: exiftool -d %Y-%m-%d_%H%M%S%%-c.%%e "-filename<CreateDate" *.jpg Correct the Date of Photos To shift the photos 43 days, 14 hours and 55 minutes to the future: 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 2014-01-27T14:38:19+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 2015-11-25T08:53:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mac/make_your_mac_feel_home Make your Mac feel at Home A small snippet from one of my scripts which tests whether your Mac is in the given (home) WLAN. # # Path to 'airport' executeable, as of Mac OS X 10.5. AIRPORT="/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport" # # Set this to your Home WLAN SSID (name): HOMESSID="mycastle" # # Get SSID info from 'airport' and search for $HOMESSID SSID=$(${AIRPORT} --getinfo | grep ' SSID:') SSID=$(echo ${SSID} | grep "^SSID: ${HOMESSID}\$")… 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 2015-02-11T09:25:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/blog/2014/foldersync_and_owncloud_7 Workaround for FolderSync with ownCloud 7 The Android App “FolderSync” stopped working when I upgraded my ownCloud to Version 7. FolderSync always showed “Bad Request” when testing the connection. ANd when I looked into the Apache log, the requests were closed with