Category Archives: Debian

Having spent the last couple of years getting to grips with Redhat and Fedora, I felt it was time to try my hand at something else. All the geeks I know say, ‘go for Debian’, so I did. This details my findings so far.

systemd Cheat Sheet

systemctl List units systemctl systemctl start/stop/restart/reload unit systemctl status unit systemctl is-enabled unit systemctl mask unit – Prevent a unit from starting systemctl unmask unit – Allow a unit to start systemctl reboot/poweroff Copy the unit file and create a … Continue reading

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DNSSEC – HOWTO for idiots like me

There seems to be plenty of DNSSEC HOWTO’s on the Web but I’m struggling to find a compendium of steps I need to perform in order to secure my zone and trust others. Securing a zone Before doing anything, it’s … Continue reading

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Maildir Archive

Recently I’ve become aware of how big my Maildir mailboxes are getting. I keep a running record of much of my correspondence and don’t want to delete it but at the same time I don’t want to load every message … Continue reading

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Why Windows 7?

A few days ago I pre-ordered Microsoft Windows v7. This was quite a milestone event for me as I’d decided that after the flop of Vista, my next desktop upgrade from XP would be to Debian Linux. Not only is … Continue reading

Posted in Debian, PC Stuff | 1 Comment

What’s Up Net?

Since converting my home network to DHCP, I’ve been struggling to keep track of what devices/addresses are in use. Not because I’m poor at record keeping but rather because three teenage kids in the house like messing about with their … Continue reading

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Recursive chmod

My music collection is complicated, I rip my CD’s on a Linux server, FTP them to a Windows server. Manipulate ID tags and filenames using various means, then FTP them back again in order to play them through my Squeezebox. … Continue reading

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Mutt – Sorting and Threading

After years of being irritated by Mutt threading my messages by Subject and then sorting those threads by oldest message in them, I finally took the time to figure out how to get it doing what I want. As is … Continue reading

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Image Manipulation

In a recent blog article I used WordPress to embed images into a posting. This was very simple to do but there is a drawback: The image embedded within the post is identical in size and resolution to the one … Continue reading

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Encrypted Filesystems Revised

Some years back I blogged about encrypted filesystems. That info is still valid but times have moved on and there are other, better ways now. I can’t take any credit for this info, it all comes from the blog of … Continue reading

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Remind, the mother of all calendar applications.

Remind is a truly lovely little application for doing just as it’s name suggests; reminding somebody as forgetful as me about important things. As with many apps, the power of Remind does in some cases lead to complexity in configuration. … Continue reading

Posted in Debian, General | 1 Comment

Examining X509 Certificates

I have to look up these commands far too often! Issuer openssl x509 -noout -in cert.pem -issuer Common Name openssl x509 -noout -in cert.pem -subject Validity Dates openssl x509 -noout -in cert.pem -dates Hash Value openssl x509 -noout -in cert.pem … Continue reading

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WordPress Server Migration

Last weekend I was chatting to my best mate Jamie who appears to be the prime reader of my Blog, (hi mate!). He pointed out that my Blog was very slow to access and I’ve been pondering on what to … Continue reading

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Debian Performance Monitoring

The title really should read system or resource monitoring, but performance monitoring seems to be the industry buzzword for checking up on what’s using what resource. First on the list has to be top. This is a great tool for … Continue reading

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Postfix can do anything, (providing I know how to configure it).

I have issues with my current Mixmaster remailer configuration and I’m struggling for a solution. Currently the remailer sends messages via smtp relay through a VPN tunnel to a Postfix MTA in another country. This is good because it seperates … Continue reading

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Ogg Vorbis Tagging

Having decided to try out allofmp3.com following all the recent hype about it. I was delighted to discover they allow me to download songs in Ogg Vorbis format. As a free software advocate, this is much more desirable than MP3 … Continue reading

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RAID filesystems

How to create a new mirrored filesystem Continue reading

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Debian RAID boot

How to make a Debian RAID’ed boot partition using grub Continue reading

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SSH Access Restrictions

Restricting which accounts are allowed to login through SSH Continue reading

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Zen and the art of udev configuration

How to mount usb devices in persistent places. Continue reading

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Kernel Management

Installing, compiling and purging kernels Continue reading

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