Unix, BSD, GNU, Linux, IT. Mailing lists, TUHS, COFF, IH, RISKS. BOFH, UGU. HCoop, SDF. IRC.

Unix philosophy. Software tools. Simple is beautiful. DOTADIW, KISS. Minimal, simple, clear. Modular, reusable, testable, quick. Free, unrestricted, customizable.

Unix history. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.

Introduction to file versioning. History of version control tools SCCS, RCS, CVS, Subversion, BitKeeper, and Git. Funny story.

VMs, containers, Docker. Dockerfile, images, containers. Docker and docker-compose. Description and use.

OpenAFS – global, distributed, network filesystem from CMU. Practical installation. “Where ever you go, there you are”.

Practical introduction to OpenLDAP. Slapd, slapd.conf, olc, slapd.d, cn=config, nsswitch.

Practical introduction to MIT Kerberos 5. KDC, kadmin.local, kadmin, PKINIT, exhaustive troubleshooting recipes.

Unix, Linux password reset. Bootloader, grub, init, mount, passwd, reboot, sysrq. Funny story.

Practical introduction to OpenLDAP. Slapd, slapd.conf, olc, slapd.d, cn=config, nsswitch.

Practical introduction to MIT Kerberos 5. KDC, kadmin.local, kadmin, PKINIT, exhaustive troubleshooting recipes.

Unix, BSD, GNU, Linux, IT. Mailing lists, TUHS, COFF, IH, RISKS. BOFH, UGU. HCoop, SDF. IRC.

Unix philosophy. Software tools. Simple is beautiful. DOTADIW, KISS. Minimal, simple, clear. Modular, reusable, testable, quick. Free, unrestricted, customizable.

Unix history. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.

Unix, BSD, GNU, Linux, IT. Mailing lists, TUHS, COFF, IH, RISKS. BOFH, UGU. HCoop, SDF. IRC.

Unix, Linux password reset. Bootloader, grub, init, mount, passwd, reboot, sysrq. Funny story.

Introduction to file versioning. History of version control tools SCCS, RCS, CVS, Subversion, BitKeeper, and Git. Funny story.

Unix, BSD, GNU, Linux, IT. Mailing lists, TUHS, COFF, IH, RISKS. BOFH, UGU. HCoop, SDF. IRC.

Unix philosophy. Software tools. Simple is beautiful. DOTADIW, KISS. Minimal, simple, clear. Modular, reusable, testable, quick. Free, unrestricted, customizable.

Unix history. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.

Unix, BSD, GNU, Linux, IT. Mailing lists, TUHS, COFF, IH, RISKS. BOFH, UGU. HCoop, SDF. IRC.

Unix philosophy. Software tools. Simple is beautiful. DOTADIW, KISS. Minimal, simple, clear. Modular, reusable, testable, quick. Free, unrestricted, customizable.

Unix history. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.

VMs, containers, Docker. Dockerfile, images, containers. Docker and docker-compose. Description and use.

Physical one-way data link. 100Mbps ethernet + UDP/IP. File transfer with ncat or socat and tar.

Unix, GNU/Linux and Debian GNU documentation. Where is it, how to access it. Man, info, tldr, /usr/share/doc/, TAB, IRC, RFCs, HOWTOs, FAQs, kernel docs. Quiz.

OpenAFS – global, distributed, network filesystem from CMU. Practical installation. “Where ever you go, there you are”.

Practical introduction to OpenLDAP. Slapd, slapd.conf, olc, slapd.d, cn=config, nsswitch.

Practical introduction to MIT Kerberos 5. KDC, kadmin.local, kadmin, PKINIT, exhaustive troubleshooting recipes.

Unix, BSD, GNU, Linux, IT. Mailing lists, TUHS, COFF, IH, RISKS. BOFH, UGU. HCoop, SDF. IRC.

Unix philosophy. Software tools. Simple is beautiful. DOTADIW, KISS. Minimal, simple, clear. Modular, reusable, testable, quick. Free, unrestricted, customizable.

Unix history. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.

Site purpose. Content organization. Brief history.

Your own blog like crystallabs.io. Hugo framework, minima-crystallabs theme. Clone and run. Quick success.

Git. Multiple repository origins. Projects mirrored at different hosting platforms.

Introduction to file versioning. History of version control tools SCCS, RCS, CVS, Subversion, BitKeeper, and Git. Funny story.

Three-point VPN Gateway. WireGuard, IPTables/NFTables, DNS, dnsmasq. VPN server and Internet gateway on different machines.

Physical one-way data link. 100Mbps ethernet + UDP/IP. File transfer with ncat or socat and tar.

Physical one-way data link. 100Mbps ethernet + UDP/IP. File transfer with ncat or socat and tar.

Practical introduction to MIT Kerberos 5. KDC, kadmin.local, kadmin, PKINIT, exhaustive troubleshooting recipes.

OpenAFS – global, distributed, network filesystem from CMU. Practical installation. “Where ever you go, there you are”.

VMs, containers, Docker. Dockerfile, images, containers. Docker and docker-compose. Description and use.

Lt1. Linux, GNU, diskless, single floppy, 1.44MB, 2MB flash RAM, ramdisk, rescue disk.

VMs, containers, Docker. Dockerfile, images, containers. Docker and docker-compose. Description and use.

Unix, Linux password reset. Bootloader, grub, init, mount, passwd, reboot, sysrq. Funny story.

Practical introduction to MIT Kerberos 5. KDC, kadmin.local, kadmin, PKINIT, exhaustive troubleshooting recipes.

Practical introduction to OpenLDAP. Slapd, slapd.conf, olc, slapd.d, cn=config, nsswitch.

Unix history. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.

Three-point VPN Gateway. WireGuard, IPTables/NFTables, DNS, dnsmasq. VPN server and Internet gateway on different machines.

Introduction to file versioning. History of version control tools SCCS, RCS, CVS, Subversion, BitKeeper, and Git. Funny story.

Three-point VPN Gateway. WireGuard, IPTables/NFTables, DNS, dnsmasq. VPN server and Internet gateway on different machines.

ZeroMQ async messaging. Can run brokerless. Runs on top of ITC, IPC, PGM, TCP, TIPC, UDP, or VMCI. BSD sockets-like API. REQ-REP, PUB-SUB, and PUSH-PULL pattern.