Mehmet Salih Erken

• Location: Kastamonu, Türkiye
• Email: opsecfail [@] opsec [.] fail
• Github: https://github.com/opsecfailure

Summary

Curious young sysadmin who can’t help but explore what happens behind the scenes and uncover how things work under the curtain.

Skills

• Operating systems
  • Linux
    • Debian
    • Fedora
    • Arch Linux
  • BSD
    • OpenBSD
    • MacOS
• Web systems
  • nginx
  • OpenBSD httpd(8)
  • Hugo
• Email systems
  • Dovecot
  • OpenBSD smtpd(8)
  • Understanding of the SMTP and IMAP protocols, sieve filters, MX records, DKIM, DMARC, SPF
• Automation
  • POSIX shell and Bash scripting
  • Ansible
  • Jenkins
  • systemd timers, cron jobs
• Cryptology & Security
  • TPM, Secure Boot
  • PGP, GnuPG
  • TLS
  • Operations security
• Virtualization and containerization
  • Podman & Docker
  • QEMU
• Data management & backup
  • Btrfs snapshots
  • rsync
  • restic
  • Syncthing
• Networking
  • TCP/IP
  • DNS
  • DHCP
  • WireGuard
• Linux internals, systemd, file systems, system configurations
• Strong familiarity with the command line and developer tools
  • Vim
  • Tmux
  • SSH
  • Git

Education

• Suluova High School of Science (2016 – 2020)
• Kastamonu University
  • School of Foreign Languages
    • Optional English Preparatory Class (2020 – 2021)
  • Faculty of Engineering and Architecture
    • Computer Engineering (2021 – present)

Fun facts

• I run, cycle and practice calisthenics. A strong mind needs a strong body.
• I play electric guitar. A strong body needs a strong mind.
• I have a deep interest in philosophy, particularly in topics like politics, religious, ethics, consciousness, science and logic.
• Proudly unplugged – I do not use social media.