Converting crt to PEM
Took two steps:
openssl x509 -in input.crt -out input.der -outform DER
openssl x509 -in input.der -inform DER -out output.pem -outform PEM
I was surprised at how easy it was. You need to do the following: 1. Find your mouse’s address using ‘hcitool scan‘ 2. Verify that you can pair the two devices using ‘sudo hidd –connect XX:XX:XX:XX:XX:XX‘ 3. Edit /etc/default/bluetooth, uncomment the additional line with the HIDD_OPTIONS and set it to be “–connect XX:XX:XX:XX:XX:XX –server” 4….
Centreon is a nice GUI wrapper for Nagios. It is using MySQL as its configuration engine, and it functions quite well. One thing Cacti can do but Centreon can’t is mass automatic addition of servers. I have had a new site with an installed Centreon, and I wanted to add about 40 servers to be…
I have been introduced to a very cool software/hardware combination yesterday. It has been, without exaggerating, one of the coolest things I have seen in a while. As you may know, x86 has an issue with scaling up. It’s that x86 architectures and price don’t justify scaling up to tenths and hundreds of CPUs. The…
ZFS has some magical features, comparable to NetApp’s WAFL capabilities. One of the less-used on is the ZFS send/receive, which can be utilised as an engine below something much like NetApp’s SnapMirror or SnapVault. The idea, if you are not familiar with NetApp’s products, is to take a snapshot of a dataset on the source,…
AutoFS is a powerful tool that allows for mount-on-demand functionality in Linux, reducing the chances of any negative effects when rebooting Windows running file services. In this article, we will focus on how to correctly connect AutoFS to a Windows share, without covering advanced features such as dynamic maps or special cases with different mappings….
In the past I hacked around a problem with the order of starting (and with several bugs) a network stack combined of network bonding (teaming) + VLAN tagging, and then with network bridging (aka – Xen bridges). This kind of setup is very useful for introducing VLAN networks to guest VMs. This works well on…