tag:blogger.com,1999:blog-290831712024-03-07T20:26:37.999-08:00Aggelis Random Thoughts & Notes<em><i>Verba volant, scripta manent</i></em>Aggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.comBlogger8125tag:blogger.com,1999:blog-29083171.post-5234385980081134362019-09-02T14:17:00.002-07:002019-09-03T00:37:55.443-07:00Terminal Joy<div dir="ltr" style="text-align: left;" trbidi="on">
ASCII use at its best in terminal <br />
<br />
1. <a href="https://asciinema.org/">asciinema</a> (apt install asciinema)<a href="https://asciinema.org/"><br /></a><br />
2. <a href="https://tmate.io/">tmate</a> (apt install tmate)<br />
3. lolcat (apt install lolcat)<br />
4. boxes (apt install boxes)<br />
5. figlet<br />
6. banner<br />
7. asciio <br />
<br /></div>
Aggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com0tag:blogger.com,1999:blog-29083171.post-1010429522845422792014-09-14T06:49:00.001-07:002014-09-14T06:49:25.435-07:00Openssl file encryption and decryption <div dir="ltr" style="text-align: left;" trbidi="on">
ENCRYTPION <br />
openssl aes-256-cbc -a -salt -in sensitive_doc.txt -out sensitive_doc.txt.enc<br />
<br />
-a : base 64 encoding<br />
-salt: makes it more secure<br />
-in : unencrypted file<br />
-out: encrypted file<br />
<br />
DECRYPTION<br />
openssl aes-256-cbc -d -a -in -in sensitive_doc.txt.enc -out sensitive_doc.txt.recovered<br />
<br />
<br />
<br />
ENC/DECRYPTION from STDIN<br />
user@laptop:~$ echo myname is jhon<br />myname is jhon<br />
user@laptop:~$ echo myname is jhon | openssl aes-256-cbc -a -salt <br />enter aes-256-cbc encryption password:<br />Verifying - enter aes-256-cbc encryption password:<br />U2FsdGVkX19zg6rV0yzowwvHpDwFwUJ8c8ISI1PYxuA=<br />
user@laptop:~$ echo U2FsdGVkX19zg6rV0yzowwvHpDwFwUJ8c8ISI1PYxuA= |openssl aes-256-cbc -d -a <br />enter aes-256-cbc decryption password:<br />myname is jhon<br /><br />
<br /><br />
openssl [ list-standard-commands | list-message-digest-commands | list-<br /> cipher-commands | list-cipher-algorithms | list-message-digest-<br /> algorithms | list-public-key-algorithms </div>
Aggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com0tag:blogger.com,1999:blog-29083171.post-55760507583863416082010-05-02T16:02:00.000-07:002010-05-02T16:08:41.214-07:00Arvyla Player V1.8This is actually not an upgrade of the arvyla player but a version that can be installed from version 1.5 (cupcake) of android and above. The previous versions of arvyla player were able to run from version 1.6 (donut) and above. <br /><br />This was a request from a friend running cupcake on his phone :-).Aggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com0tag:blogger.com,1999:blog-29083171.post-30387888340785668712010-05-01T16:53:00.001-07:002010-05-01T17:01:43.435-07:00Arvyla Player V1.5Well there is a saying in the world of open source. "Release early, Release often". Arvyla Player v1.5 for Android is out and now you have the ability to set as Ringtone or Notification your favorite "Arvyla" sound.<br /><br />In the next release i will try to add more sounds in the application.Aggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com0tag:blogger.com,1999:blog-29083171.post-41034160861390683882010-04-30T00:27:00.000-07:002010-04-30T02:28:59.792-07:00Finally i uploaded Radio Arvyla Player on android Market :-). This is a pet application that i created, in order to learn how to program on the android platform. I hope you enjoy the app. <br />Since i only have a G1 phone to test my apps, comments about the application running on other phones are welcomed.Aggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com0tag:blogger.com,1999:blog-29083171.post-14712902218172357612010-02-04T14:37:00.000-08:002010-02-04T14:38:55.562-08:00asterisk pbx on centos tutorialcoming soonAggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com0tag:blogger.com,1999:blog-29083171.post-45321317012481141512007-09-11T23:27:00.000-07:002010-04-27T13:21:59.239-07:00Well it has been a while since my last entry in this blog.<br />This was due to my relocation in Athens for a new job.Aggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com0tag:blogger.com,1999:blog-29083171.post-1149129766829795402006-05-31T19:39:00.000-07:002006-05-31T22:53:56.076-07:00Test Trasmission With Omni Directional Antenna :-)Ok this is a test posting (first) in my blog. Like the old days of FM radio where a new<br />Radio Station had a 'transmitter testing ' periodAggelis Aggelishttp://www.blogger.com/profile/08672427078173704508noreply@blogger.com2