Problem: This is one of the older ciphers in the books, can you decrypt the message? You can find the ciphertext in /problems/caesar-cipher-1_2_73ab1c3e92ea50396ad143ca48039b86 on the shell server.
File: ciphertext
Solution: Use a caesar cipher to decode it. You can shift the letters until you get some readable text. The key is 6.
Flag: picoCTF{justagoodoldcaesarcipherfwacbovv}