Technical Blog by Tom Oddershede
Having my own server I occasionally have the need for sending out SMS messages to my users. I have tried different online solutions, but in the end I decided that I would like my own terminal. For this purpose I Continue reading Sending SMS from Huawei E1752
Sometimes it is a good idea to examine which ports are open on your server and often you like to know how many are connected to you server, and who they are. This is possible with the tool netstat which Continue reading See who is connected to your server
I recently needed a way to automatically reboot my router every night. There were however no build-in way to do this in the router provided by my ISP. My router is a P-2601HN-F1. Therefore I was forced to write my Continue reading P-2601HN-F1 router reboot script
In this little guide, I will describe how to find out, how many parallel threads are used on an Oracle database. The first place we need to look, is in the v$session view, where all information about sessions are stored. Continue reading Parallel threads on an Oracle database
I have through the years installed many Debian installations. I prefer an installation with a tree disk raid 5 setup. Here I at minimum add three raid partitions. SWAP (size 2 x RAM size) RAID BOOT (512 MB) RAID [boot Continue reading Grub2 and 2 TB+ disks
For some time ago i bought a DIY serial I/O interface with 24 input ports and 36 output ports. The serial board is from Brink elektronik and has the product code BR847. As far as I can see, they do Continue reading A Java interface for BR847
In this post I will describe how to setup a simple firewall script for Debian Etch. The first thing to do is to install the prerequisites. The firewall tools in Debian is iptables, therefore we need to install iptables apt-get Continue reading A simple firewall script
Today I experienced that my Windows 7 installation did not open .lnk files but instead the files were associated with Internet Explorer. I found a fix for this. Paste the code below into a .reg file, save it, and right-click Continue reading Association fix for .lnk files
I have looked around for a good backup tool. I have earlier used rdiff, but after mistakenly overwriting an impotent file, and not beeing able to restore it, as rdiff does not store previous versions of files. Therefore I found Continue reading Backup with rdiff-backup
I recently decided that I would like backup all my /home files on my Debian server to a remote server. Luckily one of my friends also had a Debian server, where I could backup my files to. However this server Continue reading SSH to server on a closed network