Author: Alex

Wedding photography in Thailand (Pattaya) – examples

There are many beautiful and good girls in Thailand who you want to marry. (You can also marry bad girls – but then you don't have to complain crying).

My one of the most beautiful and favorite photos from Thailand are wedding photos. If you just want to see examples of salon photos of marriage, (more…)

How to set up Varnish, rule examples

ONVIF client with command line interface

ONVIF is an open industry forum that provides and promotes standardized interfaces for effective interoperability of IP-based physical security products.

ONVIF protocol can be found on security cameras. Using ONVIF protocol, you can receive information from IP cameras and control them (set (more…)

What program to open .docbook files (DocBook)

In fact, .docbook files are not meant to be read – they are meant to be converted to HTML, man, PDF, DOCX, ODT, EPUB, FictionBook2, and many others.

What is DocBook?

DocBook is an XML-based standard used in many modern documentation tasks. When you want to create a DocBook document (more…)

How to run “bundle install” as root

The “bundle install” command does not allow you to run it as root. For example, the following sequence of commands will fail:

gem update --system
xcode-select --install
gem install nokogiri
bundle install

The last command will show an error:

Don't run Bundler (more…)

Warning: apt-key is deprecated (SOLVED)

The apt-key command manages keys that are responsible for verifying the signature of application package repositories.

Now, whenever you use the apt-key command, you will receive the message:

Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).

It (more…)

Instructions for using the file command

How to find out the type of a file without an extension or with the wrong extension

The file command can determine the file type for regular files and the file system used for disks.

The file utility uses magic bytes. The bottom line is that files of the same type have the same bytes (more…)

How to split a large file (text or binary) into smaller files (SOLVED)

split command instructions

I have a large (by the number of lines) text file that I would like to split into smaller files, also by the number of lines. So if my file has about 2 million lines, I would like to split it into 10 files containing 200k lines, or 100 files containing 20k lines (more…)

Why are channels between 64 and 100 unavailable on 5 GHz Wi-Fi? (SOLVED)

With the command

iw list

you can see what frequencies your Wi-Fi card supports.

Output example:

One more example:

The set of channels is slightly different, but in any case, frequencies in the range of 64-100 channels are completely unavailable. (more…)

Scroll Up