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        <title>andunix.net</title>
        <description></description>
        <link>https://old.andunix.net/</link>
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       <dc:date>2026-06-04T00:47:38+00:00</dc:date>
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                <rdf:li rdf:resource="https://old.andunix.net/info/cryptography/openssl/debug_server_certificate_from_client"/>
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                <rdf:li rdf:resource="https://old.andunix.net/info/linux/debian/cleanup_packages"/>
                <rdf:li rdf:resource="https://old.andunix.net/info/solaris/fstyp"/>
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        <title>andunix.net</title>
        <link>https://old.andunix.net/</link>
        <url>https://old.andunix.net/_media/favicon.ico</url>
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    <item rdf:about="https://old.andunix.net/info/android/apps">
        <dc:format>text/html</dc:format>
        <dc:date>2013-02-04T22:17:18+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Android Apps</title>
        <link>https://old.andunix.net/info/android/apps</link>
        <description>Android Apps

Here are some links to Android Apps I'm using.
Where available, there are both links, the paid and the free version.

	*  Barcode Scanner
	*  DavDrive / DavDrive Lite
	*  DGT GTD &amp; To-do List
	*  Gleeo Time Tracker
	*  K-9 Mail
	*  KeePassDroid
	*  Note Everything
	*  Öffi - ÖPNV Auskunft
	*  WebDAV Navigator / WebDAV Navigator Lite
	*  Zeiterfassung Pro / Zeiterfassung

android app list recommendation</description>
    </item>
    <item rdf:about="https://old.andunix.net/info/virtualbox/cli">
        <dc:format>text/html</dc:format>
        <dc:date>2014-02-22T13:16:38+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>VBoxManage (The VirtualBox CLI)</title>
        <link>https://old.andunix.net/info/virtualbox/cli</link>
        <description>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 [&lt;general option&gt;] &lt;command&gt;</description>
    </item>
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        <dc:format>text/html</dc:format>
        <dc:date>2014-04-28T08:07:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Debug Server Certificate from Client</title>
        <link>https://old.andunix.net/info/cryptography/openssl/debug_server_certificate_from_client</link>
        <description>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.</description>
    </item>
    <item rdf:about="https://old.andunix.net/info/cryptography/plaintext">
        <dc:format>text/html</dc:format>
        <dc:date>2013-02-04T22:17:20+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Plaintext</title>
        <link>https://old.andunix.net/info/cryptography/plaintext</link>
        <description>Plaintext

The plaintext is unencrypted and unsigned text.
It's the payload which then get's signed and/or encrypted.

Wikipedia defines plaintext as:

	&quot; 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 …</description>
    </item>
    <item rdf:about="https://old.andunix.net/info/cryptography/openssl/compare_key_with_certificate">
        <dc:format>text/html</dc:format>
        <dc:date>2013-02-18T14:26:27+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Compare a Key with its Certificate</title>
        <link>https://old.andunix.net/info/cryptography/openssl/compare_key_with_certificate</link>
        <description>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</description>
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    <item rdf:about="https://old.andunix.net/info/android/backup">
        <dc:format>text/html</dc:format>
        <dc:date>2013-04-24T12:11:00+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Android Backup</title>
        <link>https://old.andunix.net/info/android/backup</link>
        <description>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</description>
    </item>
    <item rdf:about="https://old.andunix.net/info/script/dyndns_updates_without_client">
        <dc:format>text/html</dc:format>
        <dc:date>2013-02-04T22:17:34+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>DynDNS Updates without a Client</title>
        <link>https://old.andunix.net/info/script/dyndns_updates_without_client</link>
        <description>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 &quot;$(date '+%Y-%m-%d %H:%M') $(basename $0)&quot;
for domain in ${DOMAINS}; do
        echo -n &quot;  ${domain} - &quot;
        curl --silent --show-error --insecure --user ${LOGIN} &quot;${UPDATE_URL}?hostname=${domain}&quot;
d…</description>
    </item>
    <item rdf:about="https://old.andunix.net/info/linux/debian/cleanup_packages">
        <dc:format>text/html</dc:format>
        <dc:date>2014-04-28T09:01:22+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Cleanup Packages</title>
        <link>https://old.andunix.net/info/linux/debian/cleanup_packages</link>
        <description>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:</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2013-02-04T22:17:37+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>fstyp</title>
        <link>https://old.andunix.net/info/solaris/fstyp</link>
        <description>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…</description>
    </item>
    <item rdf:about="https://old.andunix.net/info/cryptography/openssl/print_key">
        <dc:format>text/html</dc:format>
        <dc:date>2015-01-29T09:15:22+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Print Information about a Key</title>
        <link>https://old.andunix.net/info/cryptography/openssl/print_key</link>
        <description>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 …</description>
    </item>
    <item rdf:about="https://old.andunix.net/info/cryptography/openssl/print_certificate">
        <dc:format>text/html</dc:format>
        <dc:date>2015-12-09T07:36:40+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Print Information about a Certificate</title>
        <link>https://old.andunix.net/info/cryptography/openssl/print_certificate</link>
        <description>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.</description>
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