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Identificatie van reel to reel tapes aan de hand van de aanloopstrook
Identificatie van tapes Geen aanloopstrook: tja... wit met paars/blauwe blokjes en 150 = TDK Audua kant 1 wit met rode blokjes en 150 = TDK Audua kant 2 TDK Audua tape is vrij donker van kleur, aanloopstroken vallen er vaak af transparant/wit met zwar...
Dealing with spaces in filenames
BASH for loop works nicely under UNIX / Linux / Windows and OS X while working on set of files. However, if you try to process a for loop on file name with spaces in them you are going to have some problem. For loop uses $IFS variable to determine wha...
View progress of dd
In Linux, find running dd processes and send them a signal to print out their progress. kill -USR1 $( pidof dd )
Sort installed rpms by size
Sort installed RPMs by size To list all RPM packages installed on a Linux machine sorted from the largest to the smallest in size: rpm -qa --queryformat '%{size} %{name}\n' | sort -rn | more
VirtualBox
command line tips
Command line tips
Show all VMs: vboxmanage list -l vms Show the state of the VM: vboxmanage showvminfo w7new | grep State Control the state of the VM: vboxmanage controlvm w7new pause|resume|reset|poweroff|savestate| acpipowerbutton|acpisleep...
Tape reference level
Old German 320 nWb/m level Reference fluxivity of G320 nWb/m is consistent with the German flux measurements made in the 1950’s that are used in the UK and Europe to this day. The actual fluxivity of these recordings as measured by DIN 45520 or AES7/A...
Nagios
check_mk download new version: https://checkmk.com/download.php?HTML=yes # yum/zypper install <##> # omd stop # omd update # omd start Introduction This guide is intended to provide you with simple instructions on how to install Nagios from source ...
Nmap
brute force test wordpress
Brute force test wordpress
nmap -p 80 --script http-wordpress-brute --script-args http-wordpress-brute.threads=4,http-wordpress-brute.uri="/blog/wp-login.php"
Velleman PCSGU250
creating an wave sequence
Creating an wave sequence
Wave Sequence This option is used to run a sequence of waveforms under a timer control. Affected parameters are function (Sine, Square, Triangle or Library waveform), frequency, offset and amplitude for each step. The sequence may contain any number ...
Find
find latest files in all subdirectories per directory
Find latest files in all subdirectories per directory
Create a file latestfile.sh: #!/bin/bash ls -lrt "$1" | tail -n1 Make it executable chmod +x ./latestfile.sh Then execute the following command: find . -mindepth 1 -type d -printf "%T+ %p/" -exec ./latestfile.sh {} \; Output: 2015-02-07+04:01:53.000...
Journald
output since booting: journalctl -b Follow: journalctl -f Keep an eye on sshd service: journalctl -b -f -l -u sshd Examples: journalctl -b --system journalctl -b --user journalctl --since=yesterday journalclt -b _PID=1 journalclt -b _UID=1001 journalc...
Fix grub
Boot from live dvd OR choose RESCUE from boot USB (graphical desktop is ok) use gparted to find boot partition mount /dev/sdX /mnt mount /dev/sda5 /mnt mount –-bind /dev /mnt/dev mount –-bind /proc /mnt/proc mount –-bind /sys /mnt/sys chroot /mnt g...
Sample commands
testdatabase 'testsietske'; > mysql -u root MariaDB [testsietske]> use testsietske; MariaDB [testsietske]> show tables; MariaDB [testsietske]> select * from City; MariaDB [testsietske]> select * from City where Countrycode = "NLD"; MariaDB [tests...
Bluetooth
To enable the (powered down) bluetooth adapter on openSUSE 13.2: rfkill unblock bluetooth blueproximity tweaking your settings should do the trick. Actually that's why I implemented a kind of testing mode. Open the preferences. Move to the second tab....