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[[ffmpeg-audio-extract|ffmpeg extract audio from (youtube) video]]
[[ffmpeg-audio-extract|ffmpeg extract audio from (youtube) video]]
[[ffmpeg-zoom-webcam|Zoom/crop webcam stream with ffmpeg]]


[[wget-jdk|Get Oracle jdk with wget]]
[[wget-jdk|Get Oracle jdk with wget]]
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[[postfix-cleanup|Postfix queue clean-up and management]]
[[postfix-cleanup|Postfix queue clean-up and management]]
[[udev-monitor|Monitor UDEV events and translate to triggers]]
[[usb-re-windows|Make a Linux USB disk Windows-friendly again]]
[[dkim-add-domainkey|Add a domain key to OpenDKIM]]


===Gentoo===
===Gentoo===
[[quickpkg|create a local binary package from an installed ebuild for storage and future downgrade]]


[[upgrade_roundcube|webapp-config]]
[[upgrade_roundcube|webapp-config]]


[[create_manifest|Creating Manifest for modified ebuilds]]
[[create_manifest|Creating Manifest for modified ebuilds]]
[[overlay_management|Manage overlays, add remove etc.]]


[[inst_overlay|Show packages installed from overlays]]
[[inst_overlay|Show packages installed from overlays]]
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[[fix_php_fpm|fix php-fpm socket file after upgrade]]
[[fix_php_fpm|fix php-fpm socket file after upgrade]]
[[fix_distcc|sanitize distcc compilers and symlinks]]
[[sony-fakeraid|fix raid on Markus' Sony Vaio Z]]
[[kyanite-grub|install grub on Kyanite]]
[[kyanite-uefi|install UEFI boot and efibootmgr on Kyanite]]


===Debian===
===Debian===
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[[git-get-url|get URL of remote git repository]]
[[git-get-url|get URL of remote git repository]]
[[git-stash|git stash/reset/discard local files]]
[[git-update-token|update token of remote Github repository]]
[[git-update-token|update token of remote Github repository]]



Latest revision as of 17:31, 18 March 2026


Shell know-how

Bash

Default command line shortcuts

Define shortcuts using ~/.inputrc

System

Firefox Megabar styling userChrome.css styler

Reset KDE Plasma profile

Restart KDE Plasma 5

Converting videos from mobile for flash

Get SSH RSA key fingerprint

Check SSL certificate (key,csr,crt) consistency

re-probe partitions after fdisk w/out reboot

mdadm replace faulty drive

Restore mdadm.conf

Set sync/check speed of mdadm

Kernel Boot Parameter for Hetzner-Server

Remove PV from VG

Subsonic keystore etc. how-to

Split flac according to cue file

Convert multiple flacs to mp3

manage pure-ftp users

Configuring Subsonic on Tomcat6

Change Subsonic-Logo

Change Airsonic-Logo

Apache Wiki: SSL with Virtual Hosts Using SNI

HDD rescue with GNU ddrescue

start TUBIT-VPN

increase Roundcube max attachment size

Unix timestamp to date conversion

OwnCloud & Fail2Ban

OwnCloud rescan/rebuild file index

OwnCloud switch maintenance mode / upgrade

IMAP dialogue via telnet

Find out which files a process opens with strace

Fix empty RoundCube Date Column

Set LibreOffice global printer defaults

Remove line spacing in Skype Chat Window

Fix Skype startup issue with "Corrupt JPEG data"

Installing SSLs.com positive/Comodo certificates

configure RT request tracker with postfix / upgrade RT

ffmpeg extract audio from (youtube) video

Zoom/crop webcam stream with ffmpeg

Get Oracle jdk with wget

compress/shrink PDFs

Merge pdfs with qpdf

kde x login autostart

get current alsa audio rate

nagios object definitions

Open Files Limit

extract vmlinux from vmlinuz file

Etherpad fails because of login to postgresql failure

Mount qcow2 images

Unban an IP with fail2ban

vim disable visual mode

do not set hostname from dhcp

set virtual domains for mailman

Postfix queue clean-up and management

Monitor UDEV events and translate to triggers

Make a Linux USB disk Windows-friendly again

Add a domain key to OpenDKIM

Gentoo

create a local binary package from an installed ebuild for storage and future downgrade

webapp-config

Creating Manifest for modified ebuilds

Manage overlays, add remove etc.

Show packages installed from overlays

Remove uninstalled entries from /etc/portage/package.keywords

shut down system when emerge stops

installing MS fonts Calibri etc.

script to guess CPU_FLAGS_X86 flags from /proc/cpuinfo: app-portage/cpuinfo2cpuflags

get teamviewer 11 to work

suspend and hibernate command line

fix php-fpm socket file after upgrade

sanitize distcc compilers and symlinks

fix raid on Markus' Sony Vaio Z

install grub on Kyanite

install UEFI boot and efibootmgr on Kyanite

Debian

Upgrade Lenny dom0 to Squeeze

Update GRUB within chroot on Squeeze

set /sbin path etc. on su

Upgrade PostgreSQL clusters on Debian

Misc

google_calendar_lightning How to add Google Calendar in Thunderbird Lightning (without Google Calendar Provider Add-on)

How to use VLC for transcription

Unifi IPSec VPN management and troubleshooting

Android

Update Fairphone Open OS on modified phone

Windows

DISM

Sauberer Neustart

GIMP know-how

change color by fill and keep transparancy

git

get URL of remote git repository

git stash/reset/discard local files

update token of remote Github repository

Getting started