Posts by ServerOk

Audacity Import Filter Curve in Ubuntu

The import feature in Audacity Filter Curve Plugin is disabled on Ubuntu. Save feature worked. So what I did was to save a preset, then edit it, replace it with the preset you need. To import Josh Meyer’s Male EQ preset available at First saved one of the preset. It asked for a name, […]

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How to uninstall the PowerShell Module?

To uninstall a PowerShell module use the Uninstall-Module command. The module should not be in use to uninstall it.

To force uninstall a module run

To uninstall all versions of a module, use option -AllVersions

If you need to keep a version and uninstall all other versions, run


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ACME ( Free SSL Certificate

ACME ( is a shell script for generating LetsEncrypt SSL certificate. is written in bash, so it works on any Linux server without special requirements. For getting SSL, another popular option is to use certbot. To install, run

Set to use LetsEncrypt SSL (it support ZeroSSL also)

For SSL auto-renew, […]

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How to backup PuTTY Settings

PuTTY is a very lightweight SSH Client software for the Windows Operating system. Sometimes you need to back up and restore Putty sessions (saved SSH connections) to another computer. Putty stores its settings and SSH sessions in Windows Registry. PuTTY settings are stored in Windows Registry at

To back up, the settings, run


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lxc storage list

To list Storage in LXD, use the command


In this installation, we use btrfs file system for storing containers. The file location is /var/snap/lxd/common/lxd/disks/default.img. It is used by 7 containers. See LXD […]

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lspci command is used to list PCI devices on your computer. To see all lspci command-line options

To list all PCI devices

To get detailed list

bash: lspci: command not found […]

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bash: lspci: command not found

On Ubuntu server, when I run lspci command, i get the error

To fix this error, install package pciutils

See lspci […]

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