Michas Notizzettel @mfiedler - Tumblr Blog

Gnome 3: Platz in Titelleiste einsparen

Mit der Gnome-Shell-Erweiterung Maximus Two kann die Titelleiste von maximierten Fenstern verborgen werden, um Platz zu sparen.

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Empfehlenswerte Radiosender für klassische Musik und Jazz

Bayern 4 Klassik (anhören)

Österreich 1 (anhören)

Sveriges Radio P2 (anhören)

NPO Radio 4 (anhören)

Emacs Org-mode: Improve HTML export’s source block readability

The default colors used in Org-mode’s HTML export, e. g. the bright yellow, make the source code blocks unreadable. The following commands replaces the colors for improved readability:

FILE=notes.html sed -i 's/#0000ff/#000080/g' "$FILE" sed -i 's/#00ff00/#008000/g' "$FILE" sed -i 's/#00ffff/#008080/g' "$FILE" sed -i 's/#ff0000/#880000/g' "$FILE" sed -i 's/#ff00ff/#800080/g' "$FILE" sed -i 's/#ffff00/#808000/g' "$FILE"

Gnome Shell: Add keyboard shortcuts for switching to workspaces > 4

Run

for key in move-to-workspace-1 move-to-workspace-2 move-to-workspace-3 move-to-workspace-4 move-to-workspace-5 move-to-workspace-6 move-to-workspace-7 move-to-workspace-8 move-to-workspace-9 switch-to-workspace-1 switch-to-workspace-2 switch-to-workspace-3 switch-to-workspace-4 switch-to-workspace-5 switch-to-workspace-6 switch-to-workspace-7 switch-to-workspace-8 switch-to-workspace-9 do echo "Writing /org/gnome/desktop/wm/keybindings/${key} ..." read value dconf write /org/gnome/desktop/wm/keybindings/${key} ${value} done

and paste your shortcuts in dconf's format, e. g.:

['<Shift><Super>exclam'] ['<Shift><Super>at'] ['<Shift><Super>numbersign'] ['<Shift><Super>dollar'] ['<Shift><Super>percent'] ['<Shift><Super>asciicircum'] ['<Shift><Super>ampersand'] ['<Shift><Super>asterisk'] ['<Shift><Super>parenleft'] ['<Super>1'] ['<Super>2'] ['<Super>3'] ['<Super>4'] ['<Super>5'] ['<Super>6'] ['<Super>7'] ['<Super>8'] ['<Super>9']

SSH-Verbindungen: Zeitüberschreitungen vermeiden

Wenn nach einer Weile der Inaktivität eine SSH-Verbindung abbricht, kann es helfen, in der Konfigurationsdatei /etc/ssh/ssh_config bzw. ~/.ssh/config das Senden von Lebendigmeldungen (ServerAliveInterval, standardmäßig aus) zu aktivieren. Zusätzlich kann die Zahl der geduldeten, aufeinanderfolgenden Verluste solcher Nachrichten angepasst werden (ServerAliveCountMax, standardmäßig 3):

ServerAliveInterval 180 ServerAliveCountMax 3

Nähere Informationen können der Manpage ssh_config(5) entnommen werden.

#SSH #timeout #connection #Verbindung

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Emacs in terminal: set background color

When running GNU Emacs in terminal (emacs --no-window-system), the background color can be set by the following command in Emacs' configuration file ~/.emacs:

(set-face-background 'default "brightwhite")

The available colors can be listed by M-x list-colors-display. Set the TERM environment variable to e. g. xterm-256color before starting Emacs, if there are too few colors listed.

#GNU Emacs #color #terminal

Firefox: disable pdf.js system-wide

Create a file mozilla.cfg in Firefox’ installation directory (Ubuntu: /usr/lib/firefox; Windows: C:\Program Files\Mozilla Firefox) with content

pref("general.config.obscure_value", 0); pref("general.config.filename", "mozilla.cfg");

Create a file local-settings.js in the subdirectory defaults/pref with content

lockPref("pdfjs.disabled", true);

Restart Firefox. In about:config, the setting of pdfjs.disabled is now set to true and is locked/cannot be changed any more.

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