small edits

data/pdf-to-txt.md

@@ -18,8 +18,8 @@ pdftoppm -png *file*.pdf test
 ```
 
 ```bash
-for x in \*png; do
-    tesseract -l eng  "$x" - >> *out*.txt
+for x in *png; do
+    tesseract -l eng  "$x" - >> out.txt
 done
 ```
 

networking/wireguard.md

@@ -43,20 +43,20 @@ wg genkey | tee client_private_key | wg pubkey > client_public_key
     " > /etc/wireguard/wg0.conf
 ```
 
-```bash
+```sh
 echo 'net.ipv4.ip_forward=1' > /etc/sysctl.d/wg.conf
 ```
 
-```bash
+```sh
 systemctl enable --now wg-quiqck@wg0
 ```
 
-```bash
+```sh
 chown -R root:root /etc/wireguard/
 ```
 
-```bash
-chmod -R og-rwx /etc/wireguard/\*
+```sh
+chmod -R og-rwx /etc/wireguard/*
 ```
 
 Forward traffic from port 51900 to the server.
@@ -69,21 +69,25 @@ Install `wireguard-tools` on the client.
 
 Copy the client private key and server public key to the server (or just fill in the variables).
 
-> server_ip=*your server's public ip*
 
-    echo "
-    [Interface]
-    Address = 10.0.0.2/32
-    PrivateKey = $(cat client_private_key)
-    DNS = 9.9.9.9
-    
-    [Peer]
-    PublicKey = $(cat server_public_key)
-    Endpoint = $(echo $server_ip:51900)
-    AllowedIPs = 0.0.0.0/0, ::/0
-    " > /etc/wireguard/wg0-client.conf
+```sh
+server_ip=$PUBLIC_IP
 
-> wg-quick up wg0-client
+echo "
+[Interface]
+Address = 10.0.0.2/32
+PrivateKey = $(cat client_private_key)
+DNS = 9.9.9.9
+
+[Peer]
+PublicKey = $(cat server_public_key)
+Endpoint = $(echo $server_ip:51900)
+AllowedIPs = 0.0.0.0/0, ::/0
+" > /etc/wireguard/wg0-client.conf
+
+wg-quick up wg0-client
+
+```
 
 ## Extras
 

networking/wpa_supplicant.md

@@ -95,8 +95,11 @@ If you encounter problems, you will probably need to delete the old device pid i
 
 Next up, start wpa_supplicant:
 
-```bash
+```sh
 wpa_supplicant -B -iwlan0 -c /etc/wpa_supplicant/wpa_supplicant-wlan0
 ```
 
-The -B flag runs this as a background process.  Remove this to see real-time output in order to solve problems.  The -i flag denotes the physical device used for the wifi.  The -c flag points to the configuration file for use.
+The `-B` flag runs this as a background process.
+Remove this to see real-time output in order to solve problems.
+The `-i` flag denotes the physical device used for the wifi.
+The `-c` flag points to the configuration file for use.