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Configuration A very good description can be found here: How-to-monitoring docker Install the agent You will need the mk_docker.py agent plug-in, which you can find here: Setup > Agents > Other operating systems > Plugins wget http://syslog.simmy.ch/monit...

Introduction It is possibly to set and synchronize the time in Linux automatically through the systemd service. It's the successor of NTP daemon. In my network the mt-engine01.simmy.ch provides system time. Hence the device can change, I created an DNS alias ...

Can't lock file https://dannyda.com/2020/05/1 1/how-to-fix-proxmox-pve-cant-lock-file-var-lock-qemu-server-lock-xxx-conf-got-timeout-proxmox-cant-shutdown-virtual-machine/ manual SSH: goto /run/lock/qemu-server delete lock-xxx.conf qm unlock xxx Simple s...

Hardware Gigabyte embedded AMD Epyc OS MX Linux 23.2 Libretto fluxbox based on Debian Linux 12 bookworm Configuration Installation Straight forward using these settings: Keyboard German encrypted disk with password filesystem btrfs disk with swap p...

Introduction Ubuntu caches DNS queries local. As long as the DNS address of a node does not change, this is very useful. Unless there is a change and the client should react very quickly, you have to flush/delete to cache. This manual describes hot to do that...

Introduction For testing purposes I am using Univention with bind9. The greater goal is to use AD/SAMBA from Univention. After testing for a couple of weeks suddenly some DNS addresses do not get resolved. The same problems occurred on Zentyal. So far I coul...

Introduction Despite the fact that Linux is Open Source and Linux it comes as a surprise that in the default installation are some hidden trackers and spy software. Hardening There is a script that will remove all malware. Originally written for Linux, but ...

UFW, or Uncomplicated Firewall, is a simplified firewall management interface that hides the complexity of lower-level packet filtering technologies such as iptables and nftables. If you’re looking to get started securing your network, and you’re not sure whic...

Introduction After installing monitoring (check_mk) I realized that the servis fwupd-refresh produces a critical error. However, this is based on a configuration mishap in the service itself. Here is the fix. The service is able to perform a firmware update ...

Howto set the correct timezone in Linux Ubuntu Get all possible timezones:   timedatectl list-timezones Set the local timezine:   timedatectl set-timezone Europe/Zurich Check the local timezone: timedatectl Howto set the correct timezone in Debian 10 ...

Introduction it is more secure and easier to login to a server over ssh if you place your public key on this server. This how-to shows in simple steps how to do this. Generate keys You only have to do this one time. You can and should reuse your public ke...

Introduction There a several ways of mounting SAMBA shares on a Linux machine. This manual gives an overview.  Prerequisite It makes things easier if the Linux client is a member of an Active Directory domain. Hence I use Zorin OS, this can easily be achiev...

Introduction Mapping of network drive seems to be a big issue. Hopefully this manual brings a little light into the fog. Requirements Any kind of network resource, that offers any kind of network share. A network resource can be: Windows Server Li...

Introduction To ease the use of servers/services of this domain it is recommended to trust the root certificate of this domain. This text describes how-to import the root certificate and start trust the different serves/services Vivaldi The Vivaldi browser ...

Introduction PWM is an open source password self-service application for LDAP directories It includes: LDAP Directory Support Change Password module for Self-Service Account Activation / First time password assignment Password reset User registration ...

Introduction There three different ways for the installation. I choose the docker deployment. Requirements Debian Linux Server pre-installed docker Installation The PWM docker image includes Java and Tomcat. It listens using https on port 8443, and h...

Introduction After the installation it is necessary to configure several parameters and options to ensure the system works properly. How To change values The PWM can run in two different modes: config read only config editable New registration are on...

Introduction In numerous cases you want to enable https on a webserver like Apache. So I decided a once and for all documentation for it. Configuration a2enmod ssl a2enmod rewrite systemctl restart apache2 Edit the Apache configurationf file /etc/apach...

Link Liste https://itsfoss.com/linux-phones/ https://itsfoss.com/android-distributions-roms/ https://www.heise.de/ratgeber/Wie-Sie-Android-und-Apps-datensparsam-nutzen-6619662.html https://www.heise.de/ratgeber/Security-Android-Smartphone-vor-unkontrollier...

Introduction MetaGer is a meta-search engine focused on protecting users' privacy. Based in Germany, and hosted as a cooperation between the German NGO 'SUMA-EV - Association for Free Access to Knowledge' and the University of Hannover, the system is built on...