0x00. Shell, basics [Jan 29 20...Jan 30 20]
0x01. Shell, permissions [Jan 30 20...Jan 31 20]
0x02. Shell, I/O Redirections and filters [Feb 1 20...Feb 3 20]
0x03. Shell, init files, variables and expansions [Feb 3 20...Feb 4 20]
0x04. Loops, conditions and parsing [Jun 19 20...Jun 20 20]
0x05. Processes and signals [Jun 22 20...Jun 23 20]
0x06. Regular expression [Jul 6 20...Jul 7 20]
0x07. Networking basics #0 [Jul 6 20...Jul 8 20]
0x08. Networking basics #1 [Jul 6 20...Jul 8 20]
0x09. Web infrastructure design [Jul 16 20...Jul 20 20]
0x0A Configuration management [Aug 3 20...Aug 4 20]
0x0B. SSH [Aug 3 20...Aug 5 20]
0x0C. Web server [Aug 4 20...Aug 6 20]
0x0D. Web stack debugging #0 [Aug 4 20...Aug 6 20]
0x0E. Web stack debugging #1 [Aug 14 20...Aug 16 20]