Category: computing
-
Robocopy Notes

Install cmder: It’s the nicest shell I’ve seen for windows. Run your console as Administrator. Otherwise you can’t use the /B backup switch. Also rember you need to do a net use command as administrator. Before you robocopy stuff, setup a dedicated drive letter. The drive letter is only available to the logged in session.…
-
Recent Samba Tips
I’ve been having some difficulty with old systems brought up to recent patch levels sharing directories. Some of these settings in smb.cnf have helped me out: security = user ntlm auth = yes debug level = 8 min protocol = SMB2
-
FreeNAS: Installing Dovecot

Various notes on installing dovecot on FreeNAS 11. I understand this has no dovecot security applied. This is a tutorial for a LAN lab environment. If the FreeNAS is a VM, make sure the virtual network adapter permits permiscuous mode. This allows jails to network. Create dataset. Adjust Jails Setting, disable DHCP Create a jail…
-
File System Thots
A brief experiment in calculating a histogram of file sizes: $ find -type f -size -128000c -printf “%k\n” \ | sort -n \ | perl -ne ‘BEGIN{ %h=(); } {chomp $_; $h{$_}++;} END { foreach my $k (sort {$h{$a} <=> $h{$b}} keys(%h)) { print “$k $h{$k}\n”; }}’ 137 3 145 3 121 3 129 5…
-
Ubuntu 14.04 Bonding is Bonkers
It took reading through this launchpad bug to find ideas on how to get a bonding interface working on Ubuntu. This is dumb and why people hate computers: could they at least have provided a more useful syntax or better warning messages? auto eth7 allow-bond0 eth7 iface eth7 inet manual bond-master bond0 mtu 9000 auto…
-
Challenge of Two Cases
Small and portable PCs are an attractive computing option. Unfortunately, they are at odds with much of the technical networking world. If you merely need one large graphics card or one beefy 10GbE networking card, you can get away with your MiniITX form factor system. Contrast that with doing WiFi and wired network testing: often…
-
Beyond Memory Testing | FreedomPenguin
Chapter three, wherein I determine the cause of my workstation problems.
