Tags
Tools
Docker. Images and Containers. Description and use.
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.
Physical one-way data link. 100Mbps ethernet + UDP/IP. File transfer with ncat or socat and tar.
File descriptor, fd. Quiz.
Intro to Unix commands. List of most important ones. Basic info everyone should know. Quiz.
Rapid-fire Unix and Linux tips. Basic usage everyone should know. Desktop, shell, terminal, copy-paste, key shortcuts. You’d be surprised.
Infrastructure
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.
OpenAFS – global, distributed, network filesystem from CMU. Practical installation. “Where ever you go, there you are”.
Docker. Images and Containers. Description and use.
Aaa
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.
Bsd
Unix, GNU, Linux and general IT resources. Becoming an old-school pro.
Original Unix, BSD, GNU, and Linux books, papers, videos, and similar materials.
Origins and history of Unix. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.
Funny
Unix, Linux password reset. Bootloader, grub, init, mount, passwd, reboot, sysrq. Funny story.
Unix, GNU, Linux and general IT resources. Becoming an old-school pro.
Introduction to file versioning. History of version control tools SCCS, RCS, CVS, Subversion, BitKeeper, and Git. Funny story.
Git
Making automated replacements in text files. Shows Perl, regular expressions, Git, diff, and other Unix shell commands. Quiz.
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.
Gnu
Unix, GNU, Linux and general IT resources. Becoming an old-school pro.
Original Unix, BSD, GNU, and Linux books, papers, videos, and similar materials.
Origins and history of Unix. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.
History
Unix, GNU, Linux and general IT resources. Becoming an old-school pro.
Origins and history of Unix. 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.
Linux
Unix, GNU, Linux and general IT resources. Becoming an old-school pro.
Original Unix, BSD, GNU, and Linux books, papers, videos, and similar materials.
Origins and history of Unix. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.
Tutorial
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.
OpenAFS – global, distributed, network filesystem from CMU. Practical installation. “Where ever you go, there you are”.
Unix
Unix, GNU, Linux and general IT resources. Becoming an old-school pro.
Original Unix, BSD, GNU, and Linux books, papers, videos, and similar materials.
Origins and history of Unix. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.
Crystallabs
Site purpose. Content organization. Brief history.
Your own blog like crystallabs.io. Hugo framework, minima-crystallabs theme. Clone and run. Quick success.
Init
Unix, Linux password reset. Bootloader, grub, init, mount, passwd, reboot, sysrq. Funny story.
Linux, text mode, virtual console, terminal, tty, ctrl+alt+f keys.
Network
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.
Quiz
File descriptor, fd. Quiz.
Intro to Unix commands. List of most important ones. Basic info everyone should know. Quiz.
Security
Practical introduction to MIT Kerberos 5. KDC, kadmin.local, kadmin, PKINIT, exhaustive troubleshooting recipes.
Physical one-way data link. 100Mbps ethernet + UDP/IP. File transfer with ncat or socat and tar.
Shell
Making automated replacements in text files. Shows Perl, regular expressions, Git, diff, and other Unix shell commands. Quiz.
Standard input, output, error. Stdin, stdout, stderr. File descriptors, fd. Pipes, redirection.
Afs
OpenAFS – global, distributed, network filesystem from CMU. Practical installation. “Where ever you go, there you are”.
Cloud
Docker. Images and Containers. Description and use.
Custom
Lt1. Linux, GNU, diskless, single floppy, 1.44MB, 2MB flash RAM, ramdisk, rescue disk.
Hands-On
Making automated replacements in text files. Shows Perl, regular expressions, Git, diff, and other Unix shell commands. Quiz.
Irix
SGI IRIX 6.5. Misc user tips.
Kerberos
Practical introduction to MIT Kerberos 5. KDC, kadmin.local, kadmin, PKINIT, exhaustive troubleshooting recipes.
Ldap
Practical introduction to OpenLDAP. Slapd, slapd.conf, olc, slapd.d, cn=config, nsswitch.
Licenses
Origins and history of Unix. CTSS, BTS, Multics, ITS, Unix, C, BSD, Unix wars, Motif, CDE, GNU, Linux. AT&T, Bell Labs, CSRG, UCB, Sun Microsystems, Novell.
Perl
Making automated replacements in text files. Shows Perl, regular expressions, Git, diff, and other Unix shell commands. Quiz.
Privacy
Three-point VPN Gateway. WireGuard, IPTables/NFTables, DNS, dnsmasq. VPN server and Internet gateway on different machines.
Story
Introduction to file versioning. History of version control tools SCCS, RCS, CVS, Subversion, BitKeeper, and Git. Funny story.
Wireguard
Three-point VPN Gateway. WireGuard, IPTables/NFTables, DNS, dnsmasq. VPN server and Internet gateway on different machines.
Zeromq
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.