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How do I show all installed RPM GPG keys on my CentOS Linux system?

Use the following command to generate
a list of all installed RPM GPG keys:

 
rpm -q gpg-pubkey --qf '%{name}-%{version}-%{release} --> %{summary}\n'

How to make an OpenSSL key that is AES256 Encrypted

[root@host CA]# openssl dsaparam -out dsaparam.pem 2048
Generating DSA parameters, 2048 bit long prime
This could take some time
..........+.+..+.......+..................+..+.............+......+.........+........+.+.........+..+...........+...................+.+....................................................+++++++++++++++++++++++++++++++++++++++++++++++++++*
........+........+............+.+...........+..+.+...................+........+....+.....+........................+..+........+.....+............................................+................+..........+..........+.......+.........+..+.+.....+...........................+.......+........+..........+...................+.......+...+.+..............................+...+.+++++++++++++++++++++++++++++++++++++++++++++++++++*
[root@host CA]# openssl gendsa -aes256 -out pete.key dsaparam.pem
Generating DSA key, 2048 bits
Enter PEM pass phrase:
Verifying - Enter PEM pass phrase:
[root@host CA]#

grep

"Grep was created by Ken Thompson as a standalone application adapted from the regular expression parser he had written for ed (which he also created). In ed, the command g/re/p would print all lines matching a previously defined pattern. Grep first appeared in the man page for Unix Version 4." --Wikipedia

What Kind of Dungeons and Dragons Character Would You Be?

I Am A: True Neutral Human Ranger (7th Level)

Ability Scores:
Strength-12
Dexterity-10
Constitution-11
Intelligence-14
Wisdom-13
Charisma-12

Alignment:
True Neutral A true neutral character does what seems to be a good idea. He doesn't feel strongly one way or the other when it comes to good vs. evil or law vs. chaos. Most true neutral characters exhibit a lack of conviction or bias rather than a commitment to neutrality. Such a character thinks of good as better than evil after all, he would rather have good neighbors and rulers than evil ones. Still, he's not personally committed to upholding good in any abstract or universal way. Some true neutral characters, on the other hand, commit themselves philosophically to neutrality. They see good, evil, law, and chaos as prejudices and dangerous extremes. They advocate the middle way of neutrality as the best, most balanced road in the long run. True neutral is the best alignment you can be because it means you act naturally, without prejudice or compulsion. However, true neutral can be a dangerous alignment when it represents apathy, indifference, and a lack of conviction.

Race:
Humans are the most adaptable of the common races. Short generations and a penchant for migration and conquest have made them physically diverse as well. Humans are often unorthodox in their dress, sporting unusual hairstyles, fanciful clothes, tattoos, and the like.

Class:
Rangers are skilled stalkers and hunters who make their home in the woods. Their martial skill is nearly the equal of the fighter, but they lack the latter's dedication to the craft of fighting. Instead, the ranger focuses his skills and training on a specific enemy a type of creature he bears a vengeful grudge against and hunts above all others. Rangers often accept the role of protector, aiding those who live in or travel through the woods. His skills allow him to move quietly and stick to the shadows, especially in natural settings, and he also has special knowledge of certain types of creatures. Finally, an experienced ranger has such a tie to nature that he can actually draw on natural power to cast divine spells, much as a druid does, and like a druid he is often accompanied by animal companions. A ranger's Wisdom score should be high, as this determines the maximum spell level that he can cast.

Find out What Kind of Dungeons and Dragons Character Would You Be?, courtesy of Easydamus (e-mail)