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    Re: How to increase volume of an MP4

    I ran a couple of tests and found this works with .mp4 files.


    ffmpeg -i input.mp4 -vcodec copy -filter:a "volume=1.5" output.mp4

    If the file has soft subtitles (.ass or .srt) you'll need...
  2. [ubuntu] Re: Seeking guidance in how to install and use wordpress

    You should install the lamp-server package


    sudo apt install lamp-server^

    The tilde ("^") is required. If you install the package, you'll get all the little pieces that interconnect Apache,...
  3. [ubuntu] Re: How can I change the aspect ratio of an image in ubuntu 18.04?

    If you just change the aspect ratio without any sort of cropping it will not look right. For instance, if you were trying to take a 4:3 image and make it 16:9 it would be horribly stretched. Rather...
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    Re: How to increase volume of an MP4

    ffmpeg can do this.

    https://trac.ffmpeg.org/wiki/AudioVolume
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    [ubuntu] Re: how to manage firewall

    Whatever the results of that other command, those are the TCP ports that are open on your machine. You only get TCP services from the basic nmap command. To see if you have UDP listeners, run

    ...
  6. Re: WebCam problem with VirtualBox (Windows10/7/XP) guest machines

    I have a Win 10 Pro VM that runs on top of my Linux desktop. I tried following these instructions

    https://www.virtualbox.org/manual/ch09.html#webcam-passthrough

    and got nowhere. The VBoxManage...
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    [ubuntu] Re: how to manage firewall

    Install nmap.


    sudo apt install nmap

    Now scan the localhost port on your machine and see what ports nmap reports as open.


    sudo nmap localhost
  8. [kubuntu] Re: How to set custom DNS servers and use DHCP on kubuntu 20.04 using netplan config?

    Why doesn't rewriting the resolved.conf file fulfill this requirement? Your script could simply overwrite the default resolved.conf with a version that includes the servers' IP addresses, or it...
  9. Re: Looking for creative ways to reduce disk space occupied by system folders

    You might have some old log files in /var/log you can remove.
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    [SOLVED] Re: dnsmasq, systemd-resolved etc

    I'd learn to live with systemd-resolved. It's going to be with us for years to come. You don't need dnsmasq, nor will it work properly on a system running systemd-resolved since that service will...
  11. [server] Re: Installing ubuntu server and configuring it to be a home media and a web server

    First, I wouldn't install Ubuntu Server. Pick a lightweight desktop version like Xubuntu or Lubuntu. You can still connect remotely with SSH and use the command prompt if you wish, but getting...
  12. [kubuntu] Re: How to set custom DNS servers and use DHCP on kubuntu 20.04 using netplan config?

    For recent versions that use systemd, I find it works best to add the nameserver IPs to the DNS and FallbackDNS lines in /etc/systemd/resolved.conf. Run "sudo systemctl restart systemd-resolved"...
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    [ubuntu] Re: 18.04LTS Apache2 PHP7.2 includes

    Yes. Please read the php.ini file carefully. It presents the defaults near the beginning.



    ;;;;;;;;;;;;;;;;;;;
    ; Quick Reference ;
    ;;;;;;;;;;;;;;;;;;;
    ; The following are all the settings...
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    Re: Virtual Box 6.1

    We've tried to make this as simple as possible. Let's try again.

    First lets start with the basics. Hold down Ctrl and Alt and press T to get a terminal.
    Now, to download the keys, copy and...
  15. [SOLVED] Re: Upgrade to 20.04 damages pdf export from LibreOffice

    The current version still handles icons in Calc charts incorrectly. You can no longer change their shapes.
    ...
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    [ubuntu] Re: 18.04LTS Apache2 PHP7.2 includes

    If there is no .../apache2/php.ini, then the installation will use its defaults. They are specified in php.ini.
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    Re: Virtual Box 6.1

    If you don't mind mucking around at the command prompt, follow the instructions at https://www.virtualbox.org/wiki/Linux_Downloads#Debian-basedLinuxdistributions to add the Oracle repository for...
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    [ubuntu] Re: 18.04LTS Apache2 PHP7.2 includes

    There are two php.ini files in Ubuntu. One resides in /etc/php/[version]/cli and the other in /etc/php/[version]/apache2. It's the latter php.ini file that controls the behavior of the module in...
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    [ubuntu] Re: 18.04LTS Apache2 PHP7.2 includes

    I long ago gave up using these structures for includes. Each site I build has its own separate directory with the included files in subdirectories (common, handlers, content). For instance,


    ...
  20. Re: Best 1:1 Disc copy method from pc1 to pc2?

    I used ddrescue (from the gddrescue package) to clone two 512 GB laptop drives to identically sized SSDs. Worked like a charm. In my case, though, I connected the target with a SATA to USB device...
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    [ubuntu] Re: 18.04LTS Apache2 PHP7.2 includes

    What do you get when you run "ls /usr/share/php*"? Where is the file error_handler_2020.includes.php actually located?

    The presence or absence of that leading slash is very important.
  22. [SOLVED] Re: Upgrade to 20.04 damages pdf export from LibreOffice

    You should be able to edit the launcher for Writer to include the environment variable. For instance in my (KDE) launcher for Writer I have the command line

    libreoffice --writer %U
    See if you...
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    Re: Phone Sytem??

    I think most Americans' phone services these days provide free nationwide calling. 800 numbers matter less these days than they did twenty years ago when I had one that was attached to my main...
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    Re: Phone Sytem??

    800 numbers are hard to come by, especially for free.

    Why don't you just get a phone number at Google Voice and set it up to forward as you want?
  25. [SOLVED] Re: [Server] postfix _Connection_Rejected_ (with error text)

    If you want to use a Spectrum host as a mail relay, you need to modify the relayhost parameter in Postfix.

    http://www.postfix.org/postconf.5.html#relayhost

    That said, Spectrum would need to...
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