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Sendmail: send-only when local system has no domain name

Posted 10-13-2009 at 01:04 PM by catkin
Updated 10-18-2009 at 12:31 PM by catkin

Hello

EDIT: this works but causes sendmail to pause for ~1 minute when it can't find its own FQDN; this slows boot (if sendmail is started at boot and not backgrounded) and would be un-workable on a busy mail server.

Here's how to configure sendmail to send mails when the computer is configured with a hostname but no domain name. It may be of use, for example, if you want to mail system exception reports and do not want to configure the computer as being part of a...

catkin

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Slackware: installing from HDD using CD .iso files

Posted 10-06-2009 at 05:26 AM by catkin

Tags cd+.iso, grub, install, slackware

Hello

Here's a procedure to install Slackware 13.0 starting with the CD .iso files on a Linux system using GRUB. It is a modified form of the procedure for installing from a DVD .iso file given here.

It was developed and tested on an ubuntu 8.04 system following a pilot Slackware installation in a VirtualBox virtual machine but nothing in the procedure is specific to that environment.

A file system is populated with the files a) required for GRUB...

catkin

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mrxvt 0.5.4 notes

Posted 09-28-2009 at 03:56 PM by catkin
Updated 09-28-2009 at 03:59 PM by catkin (Corrected Xfce version)

Tags mrxvt 0.5.4, slackware 13, xclip 0.12, xfce 4.4

Hello

The attachment is my personal blow-by-blow log of installing mrxvt 0.5.4 on Slackware 13.0 with Xfce 4.4. It includes some useful links and details of configuring:

Xfce panel launcher.
Xfce menu entry.
Initial window size.
Foreground and background colours.
Profiles.
Fonts.
End and Home keys.
Menus (very basic and sub-menus not working).
Copy and paste to clipboard by Shift+Ctrl+C and Shift+Ctrl+V.
Setting window, tab and "Task list" titles to

...

Attached Images

mrxvt 0.5.4 notes.pdf (223.6 KB, 757 views)

catkin

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mrxvt: how to configure clipboard copy and paste

Posted 09-27-2009 at 03:33 PM by catkin

Tags clipboard, copy, mrxvt, paste, xclip

Clipboard paste by Ctrl+Shift+V
Add this line to ~/.mrxvt

Code:

Mrxvt.macro.Ctrl+Shift+V: Paste CLIPBOARD

Clipboard copy by Ctrl+Shift+C

Install xclip.

Add this line to ~/.mrxvt

Code:

Mrxvt.macro.Ctrl+Shift+C: Exec !/usr/bin/xclip -o | /usr/bin/xclip -selection clipboard

Notes

Tested on Slackware 13.0 with mrxvt 0.5.4 and xclip 0.12.
Ctrl+Shift+V is configured by default to "Paste X selection into active tab" but there is no loss of functionality;

...

catkin

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Xfce: how to set up changing backdrops (wallpapers)

Posted 08-30-2009 at 12:03 PM by catkin

Tags backdrops, wallpapers, xfce, xfdesktop

Hello

Coming from Gnome to the lighter weight Xfce I was surprised to discover that no extra packages are required to set up changing backdrops (wallpapers) on Xfce.

Essentially the technique is to create a list of graphic files to be used as backdrops in file ~/.config/xfce4/desktop/backdrops.list and then to run /usr/bin/xfdesktop -reload at intervals. xfdesktop chooses a random backdrop from backdrops.list each time it starts (at session initialisation, normally...

catkin

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