space saving hard disk dump using dd
Fill you enpty space witn zeros. dd if=/dev/zero of=/zero.txt rm -f /zero.txt Then dd your device: dd if=/dev/sdX of=mydisk.img conv=spars bs=512
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Resizing an dumped image of a disk
Map mydisk.img as /dev/loop0 and use gparted to resize: udisksctl loop-setup -f mydisk.img gparted /dev/loop0 udisksctl loop-delete –block-device /dev/loop0 udisksctl is part of the udisks2 package.
SELKS | Suricata | update the rulesets
You can use the web interface to do that, but i had some issues soing so. It’s better (and much faster) to run this: /bin/su -s /bin/bash -c ‘cd /usr/share/python/scirius/ && . bin/activate && python bin/manage.py updatesuricata && deactivate’ www-data You can check your success by inspecting /etc/suricata/rules/scrirus.rules To check the plausibility/validity of your rules […]
Windows 10 upgrade | RSAT GPMC + DSA disappeared | 0x8024402c
You feature upgraded your windows 10 to the latest version and your RSAT gpmc and dsa disappeared? Microsoft says thats normal (??!!!!!!) You have to reinstall it. (! WT#???) Type ‘features’ – select ‘optional features’ aso. You got 0x8024402c? Maybe your machine cant reach microsoft.com
Windows 10 | Unpin/Remove/Delete Programs from Taskbar via GPO/powershell
At first approve applications name: ((New-Object -Com Shell.Application).NameSpace(‘shell:::{4234d49b-0245-4df3-b780-3893943456e1}’).Items()) Then get your languages localized Unpin-String, simply rightclick on that item in yout taskbar and get the unpin string. For English it’s ‘Unpin from taskbar’, for German it’s ‘Von Taskleiste lösen’ ARRRGGGG! # THE EDGY EDGE $appname = “Microsoft Edge” ((New-Object -Com Shell.Application).NameSpace(‘shell:::{4234d49b-0245-4df3-b780-3893943456e1}’).Items() | ?{$_.Name -eq $appname}).Verbs() […]
Thunderbird 78 | Problems with automated extension installation via registry or GPO.
When Thunderbird starts it ignores already existing registry entries. That means, if you have had deleted an extension via UI and you did not change the registry entry (deleting or modifying) afterwards TB will not install this extension again. In other words: If you have once installed an extension via registry and you delete it […]
Thunderbird 78 certificate import problems using GPO or Registry
Debug it using the Developers error console. Try using ASCII (PEM) instead of Binary (DER) certs.
THUNDERBIRD | GPO or Registry | Certificate handling
Basics: https://bytesandbones.wordpress.com/2019/09/30/thunderbird-gpo-admx Via Registry: HKCU\Software\Policies\Mozilla\Thunderbird\Certificates\Install\1 = “mycert.der” or Software\Policies\Mozilla\Thunderbird\Certificates\Install\2 = “\\MYHOST\Users\username\mycert.pem” or Software\Policies\Mozilla\Thunderbird\Certificates\Install\3 = “C:\CERTS\mycert.pem” as REG_EXPAND_SZ. If you define only a file name without a path Thunderbird searches %USERPROFILE%\AppData\Local\Thunderbird\Certificates%USERPROFILE%\AppData\Roaming\Thunderbird\Certificates for your files. Via GPO: Use the user branch. Define full path file location or file names only. If you specify only a file […]
