Author: Alex

How to prevent NetworkManager from managing a specific interface? (SOLVED)

NetworkManager is a Linux service that manages various network interfaces, including physical, such as Ethernet and wireless, and virtual, such as VPN and other tunnels. Network Manager can be configured to manage some or all of the system interfaces.

NetworkManager has a graphical interface (more…)

How to know when the ext4/ext3/ext2 filesystem was created and when it was last mounted

How to know when the ext4/ext3/ext2 filesystem was created

The ext4, ext3, and ext2 file systems store their creation date. This date can be the first day the disk was used or the day it was last formatted.

You can find out the day the file system was created using the tune2fs and (more…)

How to find out the number of starts and the total working time of a disk in Linux

You can find out how many hours any hard drive or solid state drive has run. You can also view information about the number of times the disc has been turned on. Some discs store information about the total amount of data read and written, as well as unexpected shutdowns (for example, due to a computer (more…)

The in-memory file system – how to use tmpfs

The tmpfs file system is quite useful, as it is incredibly fast and can help reduce the load on your persistent storage (especially useful for those who have Linux installed on a flash drive or memory card).

tmpfs is an in-memory virtual file system.

The tmpfs tool allows you to create (more…)

Earning income from creating content for adults

Now you will be surprised at what I will talk about… Or maybe you will not be surprised… For some time I have been watching girls and even couples promoting their home content for adults through TikTok (there they are mercilessly banned for this), and via Reddit and Twitter (they don't ban (more…)

Error “Cannot load modules/libphp7.so” (SOLVED)

Some Linux distributions have already started migrating to PHP 8. The new version of PHP removes the old one, as a result of which the web server may stop working due to the fact that the files specified in the web server configuration are missing or renamed.

Examples of errors you may encounter:

httpd: (more…)

Why does VirtualBox lose connection when changing MAC address (SOLVED)

Virtual machine, after changing MAC address of eth0, the connection does not work. When changing only the last three octets, the situation is the same. Restarting the modem does not give results, there is no filtering by MAC addresses. Why is this happening and how can I fix it?

VirtualBox (more…)

VirtualBox shared folder is read-only (SOLVED)

VirtualBox Shared Folder allows you to easily exchange files between a virtual machine and a real computer.

By default, the contents of the Shared Folder are owned by the root user. Therefore, the files in the shared folder are read-only for regular users. The following manual shows how to (more…)

How to choose the default Java version in Arch Linux

Several versions of the JDK and OpenJDK are available in the standard Arch Linux repositories (and derivative distributions). You can install one or more of them. Even if you have the latest version installed, some programs may install a different version of the JDK as their dependency – multiple (more…)

bash: finger: command not found in Arch Linux (RESOLVED)

The finger command displays information about the users logged in to the system, extended information – full name, logon time, inactivity time and some others.

By default, the finger command is not installed on many distributions, so when trying to run:

finger

You may receive (more…)

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