Introduction:New PCs are often equipped of the UEFI(Universal EFI) capable booting. Some SSD drives will even not boot in Linux the Legacy MBR mode. So in order to make the PC boot properly we need to:– Create an EFI Partition– Install GRUB(Boot loader) on it Create the EFI Partition:Create an EFI capable Boot partition of …
Category: Systemd
OpenDKIM doesn’t start after Upgrade from Jessie to Stretch
Introduction: After having done a dist-upgrade fo Jessie to Stretch OpenDKIM didn’t start any more. After research I found the answer which worked for me in this site: https://serverfault.com/questions/847435/cant-change-opendkim-socket-in-debian-stretch-in-etc-default-opendkim INFO: I’m using the ‘inet’ socket for the communication between Postfix and OpenDKIM at port 12345. eg. My config in of OpenDKIM in Postfix: milter_default_action = …
Mounting a remote directory using SSHFS in Debian Jessie
Introduction: If you want to mount a directory on a remote server via Internet NFS can be quite a challenge to protect. A good solution would then be to use SSHFS. Here is a shot Howto for Debian Jessie. Note: In Wheezy and in Jessie before I did an upgrade to the kernel 3.16.0-4-amd64, the …
Ubuntu 16.10 : xenconsole: Could not read tty from store: Success
Introduction: After having had some stability problems, with running Xen DOMUs under Ubuntu 16.04/Xen 4.6, I decided to upgrade to Ubuntu 16.10/Xen 4.7. Unfortunately, as I tried to start any of the DOMUs with the option -c to see the console content, the following error message was displayed and I got kicked out and no …
Resolving Mysql error: Too many open files
Introduction: As I upgraded from Mysql 5.5 to 5.6 suddenly some sites were showing the following error: …… Too many open files The issue has to do with the present limitations given to the system and PAM system to open max 1024 files. After doing some research I found this site below here which is …
Adding a new service to Linux systemd
Since the System V is slowly being phased out one most likely needs to learn how to get along with SYSTEMD which is much more powerful. For example, one useful feature is to automatically restart services that stop on their own. Such features are found for example in BluePill etc. With Systemd there is no …