Checkpoint - /var/log full (possible cause)
Yesterday I realized (after checking the backup of one of my gateways was failing) that the /var/log partition was 100% full:
[Expert@vsx1:0]
Powershell - Could not create SSL/TLS secure channel
I use Powershell to send monitoring results to the Icinga API (passive checks). For example, to check if the Exchange backups were processed correctly, I
Exchange - Bulk import of distribution group members from csv
A short but useful post:
Suppose you need to import hundreds of members to a distribution group.
The list is in a CSV file:
Name,
Nextcloud - Error modifying files or folders: locked error
Yesterday I came across a problem in which I tried to modify (rename, delete, …) a folder and it returned an error.
Nextcloud logs (/var/www/
Home Server (9) - Upgrade HP Microserver Gen8 CPU
Im using my Microserver Gen8 a lot and, sometimes the poor performance of the CPU is noted (when showing galleries with many images for example)
Home Server (8) - Update iLO4 firmware (HTML5 console)
In this post, I show how I update my Microserver Gen8 iLO4 version. One of the ways to do it is via command line but
Checkpoint - Custom application signature ACST
This time I show you the Checkpoint “Application Control Signature Tool”. This tool allows you to create your own Apps and URL filtering signatures.
For
Checkpoint - Useful SNMP OIDs to monitor (VSX)
It is very important to keep your Checkpoint environment monitored. Given that it offers a wide variety of SNMP data, I have collected some of
Security - List available cipher suite using nmap
If you are in process of securing your web server or site, there are some tools and online resources that can help us a lot
Checkpoint - Unexpected high cpu usage and SecureXL
Last monday I realized that the cpu was very high on one of my Checkpoint VSX nodes.
Looking at my Icinga graphs it seemed it
Security - View HTTP headers using tcpdump
If you need to trace the HTTP request and response headers by capturing the related packets, you can use tcpdump in this way:
tcpdump -i
Sysadmin – Best wiki software / documentation tool
Some time ago I was researching to find a good tool to create and manage IT documentation at work. These are the features that were
VMWare - Accessing VM boot menu - BIOS too fast
Probably you have noticed It’s a pain when you have to access the boot menu of a virtual machine by pressing <ESC>
Home Server (7) - Install Linux Debian virtual machine in ESX
In this 7th post of the Home Server series, after having configured a SSD drive, a working ESX environment and the RAID disks, let’s
Home Server (6) - Create RAID1 disk array
This is the 6th post of the “Home Server” series. In the last post we installed the ESX system in the SSD disk. The idea