terminal and ssl

encryption/openssl.md

@@ -1,56 +1,73 @@
-### Generate a New CSR and Key
+### Generate self-signed Certificate and Key
+
+```bash
+openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout mykey.key -out mycert.crt
+```
+
+### Generate a New Key
+
 ```bash
 openssl genrsa -out server.key 2048
 ```
 
 ### Generate Certificate Signing Request in PKCS#10 format
+
 ```bash
 openssl req -new -key server.key -out server.req
 ```
 
 ### Convert CER to ascii(crt)
+
 ```bash
 openssl x509 -inform DER -in subdomain.twelvesec.int.cer -out subdomain.twelvesec.int.crt
 ```
 
 ### Generate a New CSR and Key
+
 ```bash
 openssl req -nodes -new -newkey rsa:<number of bits> -out <filename-csr> -keyout <filename-key>
 ```
 
-e.g. 
+e.g.
+
 ```bash
 openssl req -nodes -new -newkey rsa:2048 -out subdomain.example.com.csr -keyout subdomain.example.com.key
 ```
 
 ### Generate a New CSR from Existing Key
+
 ```bash
 openssl req -nodes -new -key <filename-key> -out <filename-csr>
 ```
 
 e.g. 
+
 ```bash
 openssl req -nodes -new -key subdomain.example.com.old.key -out subdomain.example.com.new.csr
 ```
 
 ### Generate a New CSR from Existing CRT and Key
+
 ```bash
 openssl x509 -x509toreq -in <filename-crt> -signkey <filename-key> -out <filename-csr>
 ```
 
 e.g. 
+
 ```bash
 openssl x509 -x509toreq -in subdomain.example.com.old.crt -signkey subdomain.example.com.key -out subdomain.example.com.csr
 ```
 
 ### Remove RSA private key PEM password
+
 ```bash
 openssl rsa -in ~/.ssh/id_rsa -out ~/.ssh/id_rsa_2
 mv ~/.ssh/id_rsa_2 ~/.ssh/id_rsa
 chmod 0400 ~/.ssh/id_rsa
 ```
 
 ### Create a CSR with SANs
+
 ```bash
 openssl req -new -key subdomain.example.com.key -out subdomain.example.com.req -config myssl.cnf
 ```
@@ -62,11 +79,13 @@ openssl req -config myssl.cnf -nodes -new -newkey rsa:<number of bits> -out <fil
 ```
 
 e.g.
+
 ```bash
 openssl req -config myssl.conf -nodes -new -newkey rsa:4096 -out subdomain.example.com.csr -keyout subdomain.example.com.key
 ```
 
 #### myssl.cnf Contents
+
 ```
 [req]
 default_bits       = 2048
@@ -104,21 +123,25 @@ DNS.1   = subdomain.example.com
 ```
 
 ### Read a CSR
+
 ```bash
 openssl req -text -noout -in <filename-csr>
 ```
 
 ### Read a CRT
+
 ```bash
 openssl x509 -text -noout -in <filename-crt>
 ```
 
 ### Verify a CRT Matches a Private Key
+
 ```bash
 openssl x509 -noout -modulus -in <filename-crt>
 ```
 
 ### Client-side SSL
+
 ```bash
 openssl genrsa -out <user-name>.key 2048
 openssl req -new -key <user-name>.key -out <user-name>.req

misc/rdesktop.md

@@ -1,9 +1,11 @@
 ### Remote desktop with shared folder
+
 ```bash
 rdesktop -r disk:share=/home/username/share -u <username> -p <password> x.x.x.x
 ```
 
 ### Change the screen resolution
+
 ```bash
 rdesktop -g 60% -u <username> -p <password> x.x.x.x
 ```

misc/terminal.md

@@ -0,0 +1,6 @@
+### Append end of every line within the line itself
+
+```bash
+paste -d ' ' file.txt file.txt
+```
+