FoxNeo

DBeaver universal Database Tool

OpenSource 😃 and multiplatform Linux, Mac and Windows

• https://dbeaver.io/

FoxNeo

Tomcat TLS with pem cetificates config

1. edit server.xml
2. add the cert files to conf/ folder
3. add the following code to server.xml

<Connector port="443" SSLEnabled="true" secure="true" scheme="https">
  <SSLHostConfig>
    <Certificate certificateFile="conf/cert.pem"
 certificateKeyFile="conf/cert-key.pem" /&gt;

FoxNeo

codepen.io

• HTML
• JS
• CSS

https://codepen.io/

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Javadoc comments

class header

/**
* Describe the class here.
*
* {@link some.other.class.Documentation} for linking to other docs or symbols
* {@link some.other.class.Documentation 
* {@code code goes here} for formatting as code

FoxNeo

Encrypt files with openSSL

$ openssl aes-256-cbc -a -salt -in photo.jpg -out fimily-photo.enc
enter password: ********

Decrypt file with openSSL

$ openssl aes-256-cbc -d -a -in family-photo.enc -out photo.jpg

FoxNeo

gpg commands

List private keys:

$ gpg --list-secret-keys

List public keys:

gpg --list-keys

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Change folder to store ssh generated keys:

ssh-keygen -t rsa -b 4096 -C "[email protected]" -f $HOME/keys/id_rsa

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tcpdump

To check your local computer network traffic incoming and outcoming traffic with ip targets

$ sudo tcpdump

To save file

$ sudo tcpdump > output.log

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Linux show dns

This show your configurated DNS Server con your Linux:

systemd-resolve  --status

FoxNeo

Import SSH Key

$ cat ~/id_rsa.pub >> ~/.ssh/authorized_keys