Note: These are my (sometimes old) notes, use at own risk.
New and changed pages
Hardware
APC UPS NMC 2 firmware upgrade
Arch Linux - send SMS from initramfs
Arch Linux - Versalogic VL-MPEu-G2 GPS receiver
Atheros - disable LED blink
Barometric vs GPS altitude, during drive
BeeLine Transmitter - configuration using Wine
BeeLineGPS 2M HP
BogoMIPS (bogus MIPS)
Cloud core router 1016-12 - Configuration
CPU Flags i7-6770HQ
DOCSIS dBmV vs temperature
DSMR (P1) telegram over TCP
Fedora 27 - Airspy Mini (USB) SDR receiver
Generate CPU load
HP P222 configuration
HP Proliant DL320e Gen8
HP Proliant DL320e Gen8 v2
HP Proliant DL320e Gen8 v2 - Install CentOS 7
HP RAID controller - Parity Initialization Status
HP Service Pack for ProLiant - PXE
HP T5740 MS-DOS
HP-15C / DM15L programs
Huawei MU609 - send SMS using AT commands
Huawei MU609 GPS mode
IBM P520 - default HMC IP Address
IBM P520 - upgrade firmware
Intel Edison breakout board - getting started
IPMI - Supermicro X7SPA-HF / X9SCL / X9SCM
Isolated Multi-Boot
Leap second (schrikkelseconde) 2016 UTC
Meinberg LANTIME M200 - Configure DCF77 distance
Mikrotik mAP lite - OpenWrt 18.06.1
Mikrotik mAP lite - VPN Throughput
Mikrotik RB 751G-2HnD
NTP Calibration
ODROID U3 - Archlinux
PC Engines ALIX.2d13 - Debian 12, Bookworm
PC Engines ALIX.2d13 - Debian buster
PC Engines APU - Arch Linux - Huawei MU609 miniPCIe
PC Engines APU - Arch Linux with LUKS encryption
PC Engines APU - CentOS 6.5 KickStart
PC Engines APU - CentOS 6.5 post install
PC Engines APU - cpupower
PC Engines APU - Fedora 20 KickStart
PC Engines APU - Fedora 20 post install
PC Engines APU - install Archlinux over PXE
PC Engines APU - Install CentOS 6.5 64bit over PXE
PC Engines APU - install CentOS 7
PC Engines APU - OpenVPN Access Server
PC Engines APU - SMS Gateway
PC Engines APU - speaker
PC Engines APU - update BIOS over PXE
PC Engines APU - watchdog
PC Engines APU / u-blox 6 Timing receiver / NTP
PC Engines APU / Versalogic - NTP server
PC Engines APU/APU2 - Debian 12, Bookworm
PC Engines APU1 - Hopf NTP Server
PC Engines APU2 - Alpine Linux 3.9
PC Engines APU2 - Arch Linux
PC Engines APU2 - Arch Linux
PC Engines APU2 - BIOS Update
PC Engines APU2 - Debian 10, Buster
PC Engines APU2 - Debian 11, Bullseye
PC Engines APU2 - Debian 9.6 / Stretch
PC Engines APU2 - Recover blank or corrupted BIOS
PC Engines APU2 - Sniffing interface
PC Engines APU2 - Sophos UTM 9 Free Home
PC Engines APU2 - Ubuntu 18.04 LTS server
PC Engines APU2 - update BIOS via USB
Philips P2000T - Cassette to serial (backup)
QNAP TR-004 & Intel NUC Skull Canyon
QRP Labs - QCX firmware upgrade with Raspberry Pi
QRP Labs - QCX firmware upgrade with USBTinyISP
Raspberry Pi - 802.15.4 radio
Raspberry Pi - PXE server
Raspberry Pi / Pi Zero - headless, WiFi and SSH
Raspberry Pi 3 - Arch Linux / encrypted root fs
Raspberry Pi 3 - Kali and Pi Supply switch (GPIO)
Raspberry Pi B+ USB current
Reduce Intel NUC Skull Canyon fan noise
RouterOS - log wireless clients
SCS Tracker / DSP TNC - configuration using Wine
SDRplay RSPdx
Smart Meter - P1 data logger
Supermicro - Install CentOS 7
Supermicro - Stand alone KVM client
SuperSSpeed S238 - fix data loss
Synology - Multiple VLANs
Synology - verify RAID
systemd-nspawn - Airspy Mini (USB) in container
Temperature control CentOS / Fedora
Trimble Thunderbolt, signal levels
Ubuntu 18 Bionic Beaver LTS on removable SSD
Unipager with UDRC-II
Up Board - Arch linux / EFI / SystemD
Versalogic VL-MPEu-G2 GPS
Security
6 GPU advanced password recovery
Amazon EC2 advanced password recovery
Apache reverse proxy
ARP monitoring with arpwatch and msmtp
Automatic updates with yum-cron (and reboot if necessary)
Capture WPA2 handshake
CentOS 6 - OpenLDAP 2.4 client with TLS
CentOS 6 - OpenLDAP 2.4 server with TLS
CentOS 7 - Install KeepNote
CentOS 7 - login access control, access.conf
CentOS 7 - OpenLDAP 2.4 audit log
CentOS 7 - OpenLDAP 2.4 consumer (client)
CentOS 7 - OpenLDAP 2.4 consumer (slave)
CentOS 7 - OpenLDAP 2.4 password policy (ppolicy)
CentOS 7 - OpenLDAP 2.4 provider (master)
Encrypt MariaDB replication traffic
Fedora 27 - Ubertooth
Full packet capture system
Google Authenticator for SSH
OpenVPN AS
OpenVPN SELinux
PC Engines APU, Arch Linux - Ubertooth
Pure bash TCP portscan and bannergrabber
Retrieve SSL certificate with OpenSSL
RHEL 7 Kerberos 5 with OpenLDAP backend
RouterOS 6.x - Update Team CYMRU bogon list automatically
RPi's hardware RNG (from scratch)
Simple root CA Server
Snort 2.9.6.1 on CentOS 6.5
Snort and Snorby
Snort on CentOS 7 - As IDS for RouterOS
SSH point-to-point tunnel
SSHd on other port with SELinux
sslh - applicative protocol multiplexer
strongSwan & OS X 10.8.x
Certification
Cisco CCNA - 200-120 CCNA objectives (20140811)
Puppet Professional - exam objectives
RedHat EX200 objectives (20121221)
RedHat EX300 objectives (20130304)
RHCE7 EX300 objectives (20160323)
RHCSA v7 EX200 objectives (20160323)
Test 000-221 - AIX 7 Administration
NTP
2015 leap second / schrikkelseconde
CentOS 7 - high traffic NTP and netfilter
CentOS 7 - install NTPd 4.2.8p10
Convert Modified Julian Date (MJD)
KVM Guest time management
Leap second (schrikkelseconde) 2016 UTC
Meinberg LANTIME M200 - Configure DCF77 distance
NTP Calibration
PC Engines APU / u-blox 6 Timing receiver / NTP
PC Engines APU / Versalogic - NTP server
PC Engines APU1 - Hopf NTP Server
Raspberry Pi, Dragino LoRa / GPS hat - NTP PPS
Script & test - Get leap second file
Splunk - retrieve NTP PZF stats script
Linux
Add NIC live to libvirt guest
AIDE - integrity check files on NAS share
Alpine - configure S/MIME
Alpine 2.20 - Configuration for CentOS 7.x
Amanda backup - CentOS 6.4
Ansible - automation
APCUSPd CentOS 6.5
Arch Linux - install i3
Archlinux - APC UPS
Archlinux - Compile Alpine
Archlinux - Configure wifi
Archlinux - import CA root certificates
Archlinux - Install using GPT, LVM and RAID1
Archlinux - KVM Recover space from VM
Archlinux - LACP 802.3AD Bonding / VLANs
Archlinux - Serial Console over LAN
Bacula 7 server on CentOS 7
Bacula client - CentOS 6.4
Bacula server on CentOS 6.4
Bluetooth Group ad-hoc Network (GN) / piconet
BSPWM - tiling window manager
CentOS - CPUfreq governors
CentOS 6 - Smokeping
CentOS 6 enable serial console
CentOS 6.5 bonding - LACP VLAN trunk
CentOS 7 - high traffic NTP and netfilter
CentOS 7 - install NTPd 4.2.8p10
CentOS 7 - installation and configuration
CentOS 7 - List SELinux contexts
CentOS 7 - persistent VNC
CentOS 7 - privoxy
CentOS 7 - static routes
CentOS 7 - UEFI PXE server
CentOS 7, WebDAV
Check_MK - local check APCUSPd
Check_MK - Meteohub script
Check_MK monitoring (from source) - CentOS7
Check_MK monitoring (raw rpm) - CentOS7
Check_MK monitoring - CentOS6
Convert Modified Julian Date (MJD)
DaviCAL - CentOS 6.4
Fedora - 802.15.4 ATUSB
Fedora - Kali guest using SPICE and QXL
Fedora - mount iPhone
Fedora - reinstall / fix grub2 UEFI
Fedora 20 Docker
Fedora 25, BlueZ 5.44 - change Bluetooth name
Fedora 26 - autofs SMB v3
Fedora 27 - Firefox and Netflix
FirewallD
flock - locking from shell scripts
FlowViewer on CentOS 7
Generate SELinux policy
Gentoo - Install
Graylog2 - remove messages for specific host
Improve boot speed KVM guests
inotify - notice inode changes
Intel Edison - Blue Hydra logger
Intel Edison - Install and configure Jubilinux
Intel Edison - recover firmware from OS X
iptables logging
iRedMail - helo reject
iSCSI CentOS
jq - Command-line JSON processor / Check_MK
Kali - 80211.ac / AWUS036ACH / RTL8812AU
Kali on USB Armory
KVM Guest packages
KVM Guest time management
Lenovo X1 Carbon 2015 - Arch Linux install
Lenovo X1 Carbon 2015 - Fedora / bspwm
Lenovo X1 Carbon 2015 - Fedora 21 support
Lenovo X1 Carbon 2015 - Gentoo install
Leuke, lastige en interessante GNU/Linux vragen
Libvirt, create isolated network
Link Layer Discovery Protocol (LLDP) agent daemon
Linux - Remove EFI BIOS entry
Linux Traffic Control
Load SNMP MIBs - CentOS
LVM - Thin provisioning
mdadm - replace failed RAID1 disk
Migrate from VMWare to KVM
Monitor DNS queries
Multilog - log rotating stdout
multipathd CentOS
Nagios - check-uptime
Nagios 3.5.0 on CentOS
Nagios 4 - CentOS 6.4
NfSen - CentOS 7.x
NfSen - CentOS6
nftables - a mild autistic ruleset
Poweradmin
PowerDNS crashing - binary logging not possible
PowerDNS on CentOS 7
PowerDNS Recursor and Authoritative Server on one server
Primary Data Server
Pulp 2.8 on CentOS 7
Puppet agent on CentOS 6.5
Puppet master on CentOS 6.5
python 3 - NMEA Validator
Raspberry Pi - Blue Hydra bluetooth logger
Raspbian - resize rootfs
Raspbian - wifi configuration
RedHat EX200 objectives (20121221)
RedHat EX300 objectives (20130304)
Resize iSCSI LUN
RHCE7 EX300 objectives (20160323)
RHCSA v7 EX200 objectives (20160323)
RHEL 7 beta
RHEL7 teaming instead of bonding
Rotatelogs - log rotating stdout
Routeros - prevent bufferbloat and prioritize host
rsyslog - central loghost
RufzXP on Ubuntu 21
Script & test - Get leap second file
Serial console over Bluetooth
Serial<->Ethernet convertor
Simple screenrc
Splunk - CentOS7 installation
Splunk - retrieve NTP PZF stats script
SSD - secure wipe
SSD configuration
SSH - multihop
Sudo config
Systemd timers, example
Temporary redirect traffic to other host
Test hard drive for defects, find bad blocks
Test SSD TRIM with LVM
TLS - CentOS 7.x
Ubuntu - LXD containers
Ubuntu 18 - NfSen
UEFI Virtual Machine for testing
yum history
KVM, docker, CoreOS
Archlinux - KVM Recover space from VM
CoreOS install using ISO
Fedora 20 Docker
HP Proliant DL320e Gen8
Improve boot speed KVM guests
KVM grow PV
KVM grow VM disk
KVM Guest packages
KVM Guest time management
KVM Migrate VM to other host
KVM problem and workaround, starting saved VM
KVM repair qcow2 image
KVM shrink nested LVM
Libvirt - add NIC to VM
Migrate from VMWare to KVM
Qemu / KVM TinyCore 8.2.1 image
UEFI Virtual Machine for testing
Networking
Add NIC live to libvirt guest
Archlinux - LACP 802.3AD Bonding / VLANs
ARP monitoring with arpwatch and msmtp
Bluetooth Group ad-hoc Network (GN) / piconet
CentOS 6.5 bonding - LACP VLAN trunk
CentOS 7 - static routes
Cisco ASA 5505 - Upgrade firmware
Cisco Catalyst 2960G - Configuration
Cisco Catalyst 2960G - Limited routing
Cisco Catalyst 3750G - IOS commands
Cisco CSR1000V / IOS XE - KVM
Fedora 26 - autofs SMB v3
LACP between Cisco 2960G and HP ProCurve 1810G
Libvirt, create isolated network
Link Layer Discovery Protocol (LLDP) agent daemon
Linux Traffic Control
Load SNMP MIBs - CentOS
Monitor DNS queries
NfSen - CentOS 7.x
NfSen - CentOS6
OpenVPN AS
PC Engines APU2 - Sniffing interface
Pure bash TCP portscan and bannergrabber
RHEL7 teaming instead of bonding
System Rescue CD via PXE
Temporary redirect traffic to other host
Ubuntu - GNS3
Ubuntu 18 - NfSen
IBM AIX
AIX 7 - mount CD/DVD
AIX 7 - mount ISO
AIX 7 - mount NFS
AIX 7 - syslogd
AIX 7.1 - diskette
Install AIX 7.1 on P630 hardware
Install VIO server 2.2.2.2
Test 000-221 - AIX 7 Administration
Upgrade AIX 7.1
Radio
Calculating the propagation delay of coaxial cable
DRA818 VHF Voice Transceiver Module
Fedora 27 - Airspy Mini (USB) SDR receiver
Altair 8800
CP/M Assembler 2.0 hello world!
CP/M Assembler 2.0 sample
CP/M Documentation
MicroPro WORDMASTER 5.55A
Fotografie
Exposure-Mat
Mamiya 7II