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Linux Mastering Development Ubuntu

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Linux Mastering Development Ubuntu

No sound on HDMI Ubuntu 20.04 LTS

Well, first of all I am new to Ubuntu and Linux’s distributions. I just installed Ubuntu 20.04 on my laptop which is a bit outdated: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz Ram 4GiB Video Card [GeForce GT 420M] Audio GF108 High Definition Audio Controller NVIDIA and Audio 5 Series/3400 Series Chipset High Definition […]

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Linux Mastering Development Ubuntu

How to include preseed file while PXE install of 20.04 server?

I try to install 20.04 server with preseeding on BIOS based device via PXE. I created pxelinux.cfg/default: DEFAULT menu.c32 PROMPT 5 TIMEOUT 5 ONTIMEOUT ubuntu20 LABEL ubuntu20 MENU LABEL Ubuntu 20.04 KERNEL ubuntu20/vmlinuz acpi=off vga=normal nomodeset quiet — INITRD ubuntu20/initrd APPEND root=/dev/ram0 ramdisk_size=3000 ip=dhcp url=http://192.168.1.10/ubuntu20/server.iso auto-install/enable=true debconf/priority=critical preseed/url=http://192.168.1.10/ubuntu20/preseed.cfg — ISO is downloaded, but installer fails […]

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Linux Mastering Development Ubuntu

TP-Link Archer T3U Plus USB adapter

Cannot make this wireless adapter work on Ubuntu 20.04… please help. I’ve tried this: TP-LINK Archer T3U not working in Ubuntu 18.04 and now lsusb sees the device, but still doesn’t work. lsusb: Bus 002 Device 006: ID 2357:0138 TP-Link 802.11ac NIC uname -r: 5.4.0-39-generic

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Linux Mastering Development Ubuntu

Converting a .VOB file into .mp4 or other format to decrease the video memory size

I have a folder that contains few .VOB format file. The folder actually contains a movie and typically a movie of that length would occupy 2 to 5 GB but the folder I have is 18 GB! Is there any way I can convert it to .mp4 or any other format to reduce the space […]

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Linux Mastering Development Ubuntu

Suspend works on 20.04 live image, but not on the actual installation

While suspend works properly when running 20.04 off the liveimage, on the actual install, after installing hitting suspend or closing the laptop lid simply locks the screen rather than a full suspension. The fact that it breaks on installation but works on the liveimage is quite puzzling. Is there any hardware info I could post […]

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Linux Mastering Development Ubuntu

After “sudo apt-get install fcitx-googlepinyin” in Ubuntu 18.04.1 and restart, I no longer see the desktop, only black screen after login

My story is like this: opened "setting", changed keyboard input from "ibus" into "fcitx" in a terminal, installed google pinyin for ubuntu by: $sudo apt-get install fcitx-googlepinyin restarted the laptop. At the login page, I input password to login. Then, forever black screen, desktop failed to load. Then, I tried to solve the problem by […]

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Ask Biology

Diaphragm during anesthesia

How is diaphragm effected during anesthesia. Is it true that though intercoastal muscke can be affected but diaphragm cannot be. Moreover it is a skeltal muscle and very strong.

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Ask Biology

What is the primary cause of death for small animals in urban and suburban areas?

Small birds (sparrows, robins, jays, finches) and mammals (squirrels, rats, opossums, raccoons) are a common sight in many urban and suburban communities with green space. However, I observe carcasses of these animals relatively infrequently. I imagine that the following are some of the most common causes of death: Predation (the species I mention are small, […]

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Ask Biology

How does salicylic acid work on acne?

There are claims that salicylic acid has an effect on acne. I have done preliminary research and found multiple sources saying: "Salicylic acid [can] help prevent future breakouts." – https://www.healthline.com/health/skin/salicylic-acid-for-acne "Salicylic acid penetrates into your skin and works to dissolve the dead skin cells clogging your pores." – https://www.healthline.com/health/skin/salicylic-acid-for-acne "Salicylic Acid works by opening the […]