/etc insider

since 1999 (and still editing)

About the blog author

This site is owned and operated by Igor Podlesnyi – a seasoned UNIX/networking engineer and programmer. My blog in Russian: ru.etcinsider.com

I’m open for collaboration, high load, high availability are welcome.

— Linux as primarily desktop OS since 1999 — 6+ years of telecom (Internet Service Provider) experience — from single /24 to own AS with 3 BGP speakers

Robustness, quality, security and privacy — mine key principles for a job I’m doing. My skill set includes:

  • revision control systems — Git, Mercurial, SVN, CVS, github, bitbucket
  • databases — SQL (MySQL, Postgresql, PL/pgSQL, sqlite), NoSQL (memcached, MongoDB)
  • programming — C/C++, /bin/bash sed awk, Perl, Python, Ruby, PHP
  • hosting — Amazon EC2, Linode, Hetzner, DigitalOcean, OpenVZ/Virtuozzo based
  • web — Nginx, Apache, Squid
  • e-mail — SMTP (postfix, exim), POP3, IMAP4 (Cyrus, Dovecot), SPF, DKIM
  • networking — QoS, Traffic Control, CARP/HSRP, VLAN, VPNs, Routing (OSPF, BGP), DNS, IP-address planning, Cisco®, Vyatta
  • security — Firewalls (netfilter aka iptables, ipfilter, ipfw, Pf), Crypto (dm-crypt, LUKS, OpenSSL), jail/chroot isolation
  • virtualisation — OpenVZ, LXC, KVM
  • storage — CEPH, RAIDs, Filesystems, Linux Volume Management (LVM-2), ZFS, DRBD
  • config management systems: Ansible, SaltStack

UNIX®-like OSes since 1998 (GNU/Linux: Slackware, SuSe, Debian, Ubuntu, RedHat, CentOS, ArchLinux, BSD: FreeBSD/NetBSD/OpenBSD/DragonFlyBSD, Mac OS X, Solaris). Familiar with VAX/VMS.