eloadas

eloadas.md

@@ -53,14 +53,6 @@ lmf
 [mike@thinkyboi ~]$ 
 ```
 
-# `>>` operátor
-
-- `>` tesója
-- filehoz appendál
-```shell
-curl https://git.sch.bme.hu/mikewashere.keys >> .ssh/authorized_keys
-```
-
 # `.sh` fileok
 
 - shell automatizálása
@@ -157,3 +149,47 @@ Rules updated (v6)
 
 # SSH kulcsok
 
+- biztonságosabb, mint egy jelszó
+- sok algoritmus, RSA, elliptikus görbék
+- publikus-privát
+- privát saját gépen, védve
+- publikus ott, ahova belépnénk
+- `~/.ssh/authorized_keys`
+
+## Generálás
+
+```shell-session
+mike@🔥:~$ ssh-keygen
+Generating public/private rsa key pair.
+Enter file in which to save the key (/home/mike/.ssh/id_rsa): 
+Created directory '/home/mike/.ssh'.
+Enter passphrase (empty for no passphrase): 
+Enter same passphrase again: 
+Your identification has been saved in /home/mike/.ssh/id_rsa
+Your public key has been saved in /home/mike/.ssh/id_rsa.pub
+The key fingerprint is:
+SHA256:tYZX08XEZfJP5j/um2Y9KUgG+jffe82ONwgzkt4p0hc mike@🔥
+The key's randomart image is:
++---[RSA 3072]----+
+|              .+*|
+|             . =o|
+|          . o . +|
+|         + o . +.|
+|        S *     o|
+|       . = E    .|
+|        + = B .o=|
+|       . = B ooBO|
+|        . + o.*XB|
++----[SHA256]-----+
+mike@🔥:~$ cat .ssh/id_rsa.pub 
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDjAZMAbpNutuc/ZgHWMcjWcPQOC0d8+JrDaHMnxZfRtfdyrgZDfPmMER95148JVEfkjjhur8a+IEfQM59o+yq95+yNvJFT6Nr5JzHK8dC5IuDvvEVNrKPwmW4UIgm1e5b95pGivJ5cnoiXevtp87seaxh0DlZFONKUeIFnwyDBUII7mRyXDn7MrFlAcxXtlZnSSCXXLGUMZI7nldiyRI9gXlZYCpfA8XrXrnM6JAIA+6VozhJurAKhygV6rH5yD4Vg+/Bs+wigywE3U79gbqpPzRegmxzKdgv+NNKV900DQVYNzvCU5o6q9d2amU+CDSw6KjU+4SLFOgZ3myXCyE9er3aaROj22sQdPwv8CnwtZstRibpp2SU627J4Vr7caPl8wrZcGvmXgD50mPh9Kdd+Yr5WJFSaAcog082aWBdrB3Qr9LM5DgcWulyDmUMmjA2WWCJN+t6vDT5d+2mYeBiZ2OY5ZkHyUjD6GVGBOZP/lP9EAxi3XwoM3V8TwoEgLD8= mike@🔥
+mike@🔥:~$ 
+```
+
+# `>>` operátor
+
+- `>` tesója
+- filehoz appendál
+```shell
+curl https://git.sch.bme.hu/mikewashere.keys >> ~/.ssh/authorized_keys
+```