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Linux Mastering Development Ubuntu

Trying to install Spek, but cannot understand the error

I am new to Linux and I have been trying to install Spek http://spek.cc/ but i keep getting this error configure: error: Package requirements (libavcodec >= 53.25 libavformat >= 53.17 libavutil >= 51.17) were not met: No package ‘libavcodec’ found No package ‘libavformat’ found No package ‘libavutil’ found Consider adjusting the PKG_CONFIG_PATH environment variable if […]

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Linux Mastering Development Ubuntu

Bash doesn’t expand variables when pressing Tab key

In the previous versions of Ubuntu 18.04, the variables in bash are expanded when I press the Tab key. But in Ubuntu 20.04 (using bash 5.0.16), the variables are not expanded, instead the dollar sign $ before the variable gets proceeded by a backward slash. For example, let’s say, I have a variable MY_DIRECTORY: export […]

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Linux Mastering Development Ubuntu

Cannot change resolution in Ubuntu

OS: Ubuntu 20.04 LTS, 64bit ARM (for Raspberry Pi). (I have also tried the 32bit version). Hardware: Raspberry Pi 4. Monitor: 10.1″ IPS Touchscreen From Toguard (connected through HDMI). Problem: In Ubuntu, under Desktop Settings I see only 1 option for resolution: 1280×800. Same applies when I run xrandr in the terminal. When I create […]

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Linux Mastering Development Ubuntu

cant boot ubuntu server 18.04, ram exhausted?

so i have ubuntu server 18.04, when i try to boot, alot of “depends” fail to start thus i cant boot the server going to recovery mode i saw one line says memory exhausted, in recovery mode i use free -m and top i see really my memory is stuck at 7.8GB top output: KiB […]

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Linux Mastering Development Ubuntu

Xubuntu20.04 LTS desktop keyboard and mouse stop working randomly AFTER suspend

On my desktop computer (recently changed to Xubuntu and kept up-to-date), the keyboard and mouse stop working apparently only after resuming from suspend and a delay of several minutes. The mouse pointer continues to move, but no mouse clicks have any effect. W/o the keyboard working, I cannot open terminals/consoles. I enabled sshd so that […]

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Linux Mastering Development Ubuntu

Ubuntu 20.04: my google account calendars have disappeared from GNOME calendar

Not sure if the same problem as here. I have made a fresh installation of Ubuntu 20.04 and added my Google accounts in the Online Accounts of the Settings app. At the beginning I could perfectly see all my calendars in the GNOME Calendar. But not sure what I might have installed that now the […]

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Linux Mastering Development Ubuntu

Problem installing Wine on Ubuntu 18.04

I have been going through all these solutions for days, with no luck as I’m not very tech-savvy, I had wine installed for playing Ren’Py games. But lately, I did something to try and make it work for RPG games, but now nothing works anymore, where do I start? I tried removing it and reinstalling […]

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Linux Mastering Development Ubuntu

ubuntu 20.04 hanging while working

have installed ubuntu 20.04 for about two(2) week now and they was no issue. but recently noticed the system keeps hanging for no reason while using. please is there any fix to this? This is very disturbing free -h total used free shared buff/cache available Mem: 7.6Gi 2.3Gi 3.1Gi 452Mi 2.3Gi 4.7Gi Swap: 4.0Gi 0B […]

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Linux Mastering Development

Mouse cursor jumping around the screen and clicking on HP Pavilion x360

I just got a old HP Pavilion x360 that I really want to put linux on, but I’m having problems with the cursor jumping sporadically and clicking things without me touching the touchpad. I tried to install openSuse, Xubuntu, and arch. All three had the same issue. I attempted to turn off the touchpad, but […]

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Linux Mastering Development

Installing Read/Write locks documentation on Debian

I’m trying to write a program that uses read/write locks and would like to install the man pages for this type of lock. I already have installed the packages manpages-dev man-db glibc-doc Could you please tell me the package that installs them or at least how to locate it? Thank you very much in advance.