The installation of Ubuntu restarts each time a manual network connection is configured

I do not install Ubuntu often. However, now I am having this problem twice.

The first time, I ignored it, I continued my installation with DHCP enabled, then I manually configured the network adapter after installation.

Now, I am in a completely different network, a completely different hardware, etc., and I am trying to do a basic installation of the Ubuntu 18.04 server again.

I reach the initial stages, the installation finds a DHCP address for the network adapter and gives me the possibility to reconfigure it at that moment. I edit the configuration and specify the network information I want to use for IPv4 after choosing "Manual" for the IPv4 Method:
enter the description of the image here

When I choose "Save" the configuration, the installation is immediately restarted on the first screen and the configuration is deleted.

This is the second time that I install Ubuntu 18.04 with the same problem in completely different networks and hardware. I'm 0 for 2 and I can not find a bit of this on the internet about this problem.

Why is this happening?

EDIT: I found this post unanswered:

canon 40d – Obtaining a similar image (colors) in manual mode while using similar settings in automatic mode (T6 and 40D)

Very new in photography, using an EF-S 24mm f / 2.8 STM lens on a T6 and a 40D. Doing my best to explain what my problem is.

I'm trying to use Manual Mode as much as possible, so I had the not-so-smart idea to use Auto Mode to get a sample image (the first) of each set and get similar images after doing the F number, ISO , exposure and White balance variations. The results have not been as expected, mainly because when I switch to manual mode and recreate the configuration of an image taken in automatic mode, the final image is usually very different.

I have two examples:
These images of a bank and these images of a clock in an entrance.

The images at the top of each link were taken in automatic mode. This is how I remember seeing the world.

The images below were taken in manual mode with more or less the same configuration (WB is cloudy since it was a cloudy day). I do not remember that the days of April / May are yellow in Canada, only during July and August. The difference is not so dramatic on sunny days between 10am and 3pm, but it is very noticeable when there are clouds.

What am I doing wrong?

How can I manually recreate the images taken automatically?

installation: the correct order of manual installation of WP and SSL on the server

There is not a correct order. Either way it works and it will leave you with a WordPress installation that is SSL.

However, it is easier to have SSL installed first because then you do not have to go back through WordPress and change the configuration and the database.

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php: you can not imagine how to add a link to read more to a manual extract. Please help

Nothing I do works. I am using a manual extract and when I paste this code into functions.php the words read more appear but are not a link. Why is this?

add_filter (& # 39; wp_trim_excerpt & # 39 ;, & # 39; your_excerpt_metabox_more & # 39;);
function tu_excerpt_metabox_more ($ extract) {
$ exit = $ extract;

if (has_excerpt ()) {
$ output = sprintf (& # 39;% 1 $ s read more& # 39 ;,
$ abstract
get_permalink ()

returns $ output;

Post-processing: Can I recover overexposed images accidentally taken in manual mode?

I have a question. My wife used our camera and left the setting in Manual, which I did not realize when I went out to take pictures yesterday under the bright sun. We had some really cool photos, but as you can imagine, ALL the images are almost completely destroyed. You can see very little of each photo. I am not a camera expert in any way, but I was wondering if there is any way to fix the photos. I have used GIMP on my PC basically because it is free, but I am not sure if it is possible to save some of the images.

Any help would be greatly appreciated.

Manual garbage collection in the C # unit

I'm using this snippet of code to save renderings and I'm saving renderings in each frame inside To update().


using UnityEngine;
using System.IO;
using the system;

// getty code
Public class capture: MonoBehaviour
int private static int resWidth = 3840;
int static private resHeight = 2160;
Static static GameObject camObj = null;

Public static string ScreenShotName ()
return string.Format ("{0} / screenshots / {1} .png",

void Home ()
camObj = gameObject;
Directory.CreateDirectory (Application.dataPath + "/ screenshots");
resHeight = GetComponent() .pixelHeight;
resWidth = GetComponent() .pixelWidth;
//Util.everyThingHot = true;

static public vacuum TakeHiResShot ()
RenderTexture rt = new RenderTexture (resWidth, resHeight, 24);
camObj.GetComponent() .targetTexture = rt;

Texture2D screenShot = new Texture2D (resWidth, resHeight, TextureFormat.RGB24, false);
camObj.GetComponent().Do(); = rt;
screenShot.ReadPixels (new Rect (0, 0, resWidth, resHeight), 0, 0);
camObj.GetComponent() .targetTexture = null; = null;
Destroy (rt);
byte[] bytes = screenShot.EncodeToPNG ();
string filename = ScreenShotName ();
File.WriteAllBytes (file name, bytes);
Debug.Log (string.Format ("You took the screenshot for: {0}", file name));
bytes = null;
capture (Exception e)
Debug.Log ("Error");



This is giving me 4K images.

But the problem is that it is taking a lot of memory. I have 8 Gigs and is using 95%.

enter the description of the image here

I'm pretty sure I should not have that much memory. I should release the memory. How can I achieve that? I know .Net It has its own garbage collector, but before it works, it takes a lot of memory.

So, how to do it manually?

Lens: How often do the constant opening manual zooms really influence the mechanical aperture when zooming?

I have seen some examples of constant aperture approaches (for example, a 28-100 mm f / 4 Ricoh.) In second-hand markets where the aperture appears not to be fully open (visible hole not round) in some zoom settings. Did some designs really do that intentionally to impose constant opening, or are they cases of mechanical defects in which unrelated mechanical parts interfere with each other due to friction or bad reason?

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