Sympton:Your display no longer autosizes for your Linux guest, running under VmWare workstation. Cause: This seems to be caused by a race condition where the open-vm-tools try to activate before the graphic environment is available. Resolution: Edit the configuration file for open-vm-tools, by running nano sudo /etc/systemd/system/multi-user.target.wants/open-vm-tools.service And add the following lines in the UNIT […]
Category: Linux
Get the version number of the current running release
lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 8.9 (jessie) Release: 8.9 Codename: jessie</pre>
Upgrade debian jessie to stretch
Check if you are using obsolete packages aptitude search ‘~o’If this gives you output you will have to take into account that these packages are no longer in a standard repo since they were removed. Perform a full backup – does that realy need stating ? warningUpgrading debian from 8 to 9 will replace mysql […]
Determine or change your configured ip, determine your external ip
In the series, ‘spare me the lecture, just tell me how it works’, here is a bunch of quick reminders about your ip configuration on your Ubuntu linux box. ifoncig.me is a handy website that will show you all kinds of information in your web browser, such as your public facing ip, hostname and other […]
Ubuntu: stop automatically adding printers on the network
Having your printers on the netwrok automatically added can be handed on a small network, but it can become a major drag on networks with a large number of printers. The service repsonsible is named cups-browsed. Here is how you can disable this service, thereby no longer adding your printers. Printing services for manually installed […]
Creating your first let’s encrypt certifcate on Linux
I still see system administrators hold off on SSL because they are scared for the process of creating certificate requests, getting the certificates and then integrating them into apache. This writeup will show how to install an SSL certificate using CERTBOT, a handy tool provided by let’s encrypt that takes all the manual work out […]
Using KVM and virt-manager to setup a hypervisor
first off, for Ubuntu server you will need to enable additional repositories, by running sudo apt-add-repository universe Next, install the hypoervisor, and the management tool sudo apt install qemu qemu-kvm libvirt-bin You can verify the readyness of the hypervisor with the command kvm-ok, which will output something like this INFO: /dev/kvm exists KVM acceleration can […]