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Firmware upgrade
Login into ASA (SSH or serial port) Provide 'enable' password enable Prepare files on TFTP serve...
Major version upgrdae
Upgrade major version apt update apt upgrade -y shutdown -r now apt install update-manager-core ...
Fail2Ban - securing services and web applications
Determine, which firewall is running systemctl is-active ufw ufw status systemctl is-active nfta...
Moving most consuming directory to the separate disk
In my case, one directory is consuming most of the disk space dedicated for the system. Stop the ...
Research on alternative to native Calendar application in MacOS
Disadvantages or "What could be done better" Creating overlapping event The biggest challenge in...
EnterpriseDB PosgreSQL with TDE Support @OL8 (Oracle Linux 8)
Pre-requistes In my setup, I planned to virtualize VM in Parallels on Macintosh with M1 processor...
Nextcloud @Nginx @Oracle Linux v9.5 with self-signed cert (for virtualization)
preparations disable IPv6 TODO: sysclt ipv6... dnf update dnf install \ mariadb \ wget \...
Adding more space to virtual machine by adding new disk and expanding using LVM
Daily task, which comes as daily routing, to extend the disk space: Switch off the machine Open V...
Repository proxy server aka satellite server for Redhat family.
This setup is done on Oracle Linux v9.5. Advantages and disadvantages: + One source of truth + Le...
Cloning the machines and post-install for Oracle Linux v9
At the moment of writing, on 2025-07-18, my VirtualBox is v7.1.6. Open VirtualBox, find the sour...
MariaDB Galera Cluster @OracleLinux9.5 using ClusterControl install-cc script with limited Internet connection (via repository proxy aka satellite server).
Download Oracle Linux distro and connect it to Repository Server, as described here.: (2025-02-1...
2025-05-15 - at KAFD, Riyadh, KSA
There was a hectic weeks behind, some topics I briefly touched: Audacity: conference mic spect...
2025-04-02
Pi-hole as reverse DNS for home OpenWRT router Internal A records in Pi-Hole for local infra myi...
keepassxc-cli with keyfile and YubiKey hardware token
Install https://keepassxc.org/download/#macos Make alias (for Macintosh) vi ~/.zshrc alias kp='...
Replicate Nextcloud instance to another server
Destination: Prepare export user="user" export src="(source host)" export dst="(destination host)...
NFS export
Mount it to freshly created directory. Add to fstab for automatic mount during boot process. Prep...
2025-03-30
SketchUp (WebUI) BetterDisplay (new display) CloudText
2025-02
За последний месяц, спустя НГ:- Oracle Linux v9.5: repository proxy- MariaDB Galera Cluster with ...
Big-Files upload
To enable big files management, there are several components need to be fine-tuned. Good practise...
After cloning
After the clone, there is a need to make machine 'unique': Ensure, it is a new machine, it's upti...