![How to extract .deb file in Ubuntu?](https://serverok.in/wp-content/themes/understrap-child/images/default.webp)
How to extract .deb file in Ubuntu?
You can use dpkg-deb command to extract the contents of a .deb file in the Ubuntu or Debian system. Example:
![Linux](https://serverok.in/wp-content/uploads/2021/06/linux.png)
How to change pure-ftpd port
pure-ftpd by default listens on port 21. We will change the FTP port from 21 to some other port. This
![MySQL see all charsets](https://serverok.in/wp-content/themes/understrap-child/images/default.webp)
MySQL see all charsets
To see all charsets available on your MySQL installation, run the command select * from information_schema.character_sets; maxlen column specifies how
![wordpress](https://serverok.in/wp-content/uploads/2018/12/wordpress.png)
WordPress HyperDB
HyperDB is a WordPress plugin that allows you to use multiple MySQL database servers with large MySQL installations. It is
![Ubuntu PHP OAuth](https://serverok.in/wp-content/uploads/2021/06/ubuntu-php-oauth.png)
Warning: Use of undefined constant OAUTH_REQENGINE_CURL
On an Ubuntu server (Ubuntu 20.04.2 LTS) when running a PHP script, I get the following error. Warning: Use of
![SaaS](https://serverok.in/wp-content/themes/understrap-child/images/default.webp)
SaaS
https://www.paddle.com – Payment processing for SaaS.
![Enable SSL in Haproxy Docker Container](https://serverok.in/wp-content/themes/understrap-child/images/default.webp)
Enable SSL in Haproxy Docker Container
I have a haproxy container running on port 80. This container is started with command docker run -d -p 80:80
![PHP script to monitor exim mail queue](https://serverok.in/wp-content/themes/understrap-child/images/default.webp)
PHP script to monitor exim mail queue
When you run exim mail server, it is good to keep an eye on number of emails in mail queue.
![centovacast](https://serverok.in/wp-content/uploads/2018/11/centovacast.png)
Install SSL on Centova Cast
Edit file vi /usr/local/centovacast/etc/cc-panel.conf Find listen 2199 default ssl; Add below listen 443 ssl; listen 80; Restart Centova Cast /usr/local/centovacast/centovacast
![VestaCP Free Hosting Control Panel](https://serverok.in/wp-content/uploads/2017/12/vestacp.png)
VestaCP Installer Compromised
VestaCP Free Hosting control panel compromised again. Hackers where able to get access to VestaCP infrastcuture server, allowing them to
![Plesk Change PHP version](https://serverok.in/wp-content/uploads/2018/10/plesk-change-php-version.png)
Change PHP version for a site in Plesk Command line
To change PHP version for a site, first find available PHP handlers, this can be done with command /usr/local/psa/admin/bin/php_handlers_control –list
![error: ‘x264_bit_depth’ undeclared (first use in this function)](https://serverok.in/wp-content/themes/understrap-child/images/default.webp)
error: ‘x264_bit_depth’ undeclared (first use in this function)
When installing ffmpeg, i get error CC libavcodec/libvorbisenc.o CC libavcodec/libx264.o libavcodec/libx264.c: In function ‘X264_frame’: libavcodec/libx264.c:282:9: error: ‘x264_bit_depth’ undeclared (first use