BOLLATI's BLOG

This an installation of openstack without any deployment software. The nodes are pxe booted…same OS image for every node.

Here is the doc: Openstack PXE

The SYSSTATS utilities are a collection of monitoring tools for linux. They come with almost every Linux distribution and most unix people are confident wit sar/iostat/pidstat, etc. Those utilities are precious when you need to have quick look at the system via command line.

When the automatic data collection is enabled the data is kept in /var/log/sysstat/ or where has been defined on SA_DIR in the sysstat configuration. The data will be rotated according to the HISTORY parameter.

Recent versions of sysstats have a version of sadf that can generate svg images of the monitoring, uploading them to a website can give a quick view of the system.

Here is “one line” script that can be managed by cron:

sadf script

Hiding a process and above all search for hidden processes

Here is the doc: hidden processes

Everything has been rebuilt from source including the latest busybox, kernel 6.5.3 etc. etc lxc version 4.0.2 has been compiled to have small binaries

The name of the tinies has changed:

tinyPQ –> tinyQ tinyzfs –> tinyZ tinyCLQ –> tinyO tinyNR –> tinyN tinyP –> No changes

Changelog here:

tinies

The tinies can be downloaded here:

tinies