logrotate on Linux: Configure Log Rotation (/etc/logrotate.d)
Configure logrotate on Linux: /etc/logrotate.conf, per-app files in logrotate.d, daily/weekly rotation, compress, copytruncate, and test with logrotate -d.
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ssh-copy-id on Linux: Passwordless SSH Login (ed25519 Keys)
Set up passwordless SSH with ssh-copy-id: generate ed25519 keys, copy pubkey to remote authorized_keys, test login, and harden…
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Linux screen Command: Persistent SSH Sessions (detach, reattach)
Use GNU screen on Linux for persistent terminals: screen -S name, detach with Ctrl+A D, reattach with screen…
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unzip and zip on Linux: Extract and Create Archives from the Terminal
Use unzip and zip on Linux to extract .zip files, list contents, create archives, and avoid path traversal…
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systemd enable and disable on Linux: Start Services at Boot (systemctl)
Use systemctl enable and disable on Linux to control which services start at boot: enable, disable, start, stop,…
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VMware ESXi Snapshots: Best Practices, Delete and Consolidate
ESXi snapshot best practices: when to snapshot, disk growth risks, revert vs delete, consolidate snapshots, why snapshots are…
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VMware ESXi Networking Basics: vSwitch, Port Groups and VLAN ID
Learn ESXi networking: virtual switch (vSS), uplinks vmnic, port groups, VLAN tagging for VMs, vmkernel ports for management,…
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Install open-vm-tools on Linux VMware Guest (Ubuntu, RHEL, time sync)
Install open-vm-tools on Linux VMs running on ESXi: apt and dnf packages, enable vmtoolsd, verify in Host Client,…
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How to Create a Virtual Machine on VMware ESXi (Host Client Step by Step)
Create a VM on ESXi with the Host Client: new virtual machine wizard, guest OS, CPU RAM disk,…
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How to Install VMware ESXi 8 on a Server (ISO, HCL, Host Client)
Install VMware ESXi 8 on bare metal: download ISO from Broadcom, check HCL for CPU and NIC, boot…
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