Centos systemd-networkd … The tale of the missing packets. The symptoms are strange to say the least. It appears that the traffic leaving the virtual interface are correctly being processed by the POSTROUTING chains and yet even with replies from the outside world the traffic does not return to the virtual interface. Almost as if …
So here is a fun one. We have a corrupted Linux disk partition within a KVM image. We want to run fsck on the root partition inside the KVM image. To do this we can mount it as a loop device losetup -vf path_to_your_image we then kpartx -av /dev/loop0 /dev/mapper now contains links to the …
Continue reading ‘fsck check of partition inside KVM image’ »
Here is a list of Git commands that I never remember off by hand when I need them. To set the default Git editor : git config –global core.editor “vim”
I recently looked at Digital Ocean as a possible replacement VM host as a company project and have now chosen to use them for my own personal VM. Since I am using a prepaid option the need to get some warning when my prepaid amount was due to run out became a requirement. Below is …
Continue reading ‘Get outstanding balancedetails emailed from Digital Ocean’ »
Recently I needed to re-create a backuppc virtual machine from an existing one. The reason for this was to create a smaller primary partition which would take up less space on the host machine. After some searching, and I must admit rather unsuccessful searching, the solution appears to be far simpler than expected. Basically on …
Continue reading ‘Migrating backuppc configuration to a new system / VM’ »
For fun I wanted to improve on my fuzzydates gem and rather add a new method to the Date class. Here is the code that seems to work for me. class Date class
I decided to create a simple gem to hold some date requirements that I had. Basically here is what you need to build a simple gem. Create a working directory. In my case this was called fuzzydates. Change into the directory and create a lib directory so that you now have a directory structure that …
To make the XFCE application menu pop up when you hit the Windows key add the following application via the keyboard shortcuts and press the Windows key when prompted. xfce4-popup-applicationsmenu It doesn’t work exactly the same as windows since hitting the key twice does not make the menu disappear. UPDATE : On 14.04 this appears …
Continue reading ‘Make XFCE application menu appear when using Windows key’ »
I have just needed to install a dev package on my Xubuntu system and wanted to see what and where the package would install the files to. It seems that there is an apt-file command which is not installed by default. So I installed it… apt-get install apt-file and then followed by apt-file update In …
Continue reading ‘Seeing what files a debian package contains and what files it will install’ »
Some time back I had issues using the Android Debug Bridge (ADB) from my linux laptop and had to hunt the web for the udev rules for my specific device. After my recent laptop reload I had to do this again so thanks to this article http://rootzwiki.com/topic/258-udev-rules-for-any-device-no-more-starting-adb-with-sudo/ found on RootzWiki all is well again. The …
Continue reading ‘udev rules for most Android based phones’ »