Lynxbee topic

Errors & Failures

Fixed: EACCES Current User (“nobody”) Does Not Have Permission to Access the Dev Dir

Encountering the EACCES error: current user (“nobody”) does not have permission to access the dev dir can … Read more

Solved – Failed to connect to android.googlesource.com port 443: Connection timed out

Recently we switch our internet leased line provider and after that the provider did some configurations to … Read more

Version 28 (intended for Android Pie and below) is the last version of the legacy support library

If you want your application to be compatible with latest Android Version Q with API level 29, … Read more

How to resolve “cc1: all warnings being treated as errors” ?

If you are compiling some C program or open source package using Makefile which is written by … Read more

Fixed : openssl/opensslv.h: No such file or directory

When trying to compile some packages / libraries or application source codes in Linux which are based … Read more

Fixed: has virtual functions but non-virtual destructor

If we have a C++ Class “MyLynxbee” declared in header file mylynxbee.h as below, and if we … Read more

Fixed : Waiting for cache lock: Could not get lock

When we tried to install one package using “apt-get install” , we got following error, and we … Read more

Fix Wi-Fi Not Detected on Ubuntu: A Diagnostic Guide

A missing Wi-Fi menu, a missing adapter, and one missing network are different failures. Follow this evidence-first Ubuntu workflow to locate the broken layer before restarting services or changing drivers.

Fix dpkg Dependency Errors on Ubuntu Safely

Prefer `apt install ./package.deb` so Ubuntu can resolve repository dependencies in one transaction. If `dpkg -i` already left packages unpacked or unconfigured, diagnose the exact state, repair it without blind removals, and verify the package database.

Fix “No Address Associated with Hostname” on Linux

The error means the resolver could not return a usable address for the requested name and address family. Diagnose the same NSS path the application uses before editing `/etc/hosts`, changing DNS, or flushing caches.

How to check which header belongs to which package in Ubuntu ?

In Ubuntu, there is a way to identify which header file belongs to which package so if … Read more

Fix Yocto “RDEPENDS but Not a Build Dependency”

The Yocto `[build-deps]` warning means packaging discovered a runtime edge that the earlier task graph could not reliably satisfy. Fix the metadata at the correct layer after identifying both the output package and its provider recipe.

Resolve error : ” no buildable Go source files in “

Sometimes when we try to compile an unknown go package, we can see an error like “no … Read more

Recover data / folder deleted with rm -rf

Today Accidentally I deleted one of my folder in ubuntu which has contained important files, but I … Read more

Solved: systemd[1]: Failed to start The Apache HTTP Server.

If you are trying to install apache2 webserver as we mentioned in our another post “How to … Read more

Fix RecyclerView Orientation WrongConstant

`WrongConstant` is Android lint telling you that an integer came from outside the API’s documented constant set. Use the constant family declared by the parameter, then investigate dependency or lint-version drift if an official alias is still flagged.

Resolve “sh: 0: getcwd() failed: No such file or directory”

Today I was working with git and for that I had created a “workspace” directory which contained … Read more

Fix ContextImpl Cannot Be Cast to Activity

`Context` is a capability family, not another name for `Activity`. Find the failing cast, decide whether the operation truly needs a UI owner, and change the API contract instead of swapping context methods until the crash disappears.

Fix apt Stuck at 0% Connecting on Ubuntu

When apt pauses at “0% Connecting,” the last displayed address is evidence, not a diagnosis. Determine whether DNS, IPv6 routing, IPv4 routing, a proxy, TLS, a captive portal, the selected mirror, or an unsupported Ubuntu release is failing before changing system-wide address selection.

Fix dpkg and apt Lock Errors Safely

An apt or dpkg lock usually means another package operation is already protecting the package database. Do not delete the lock file. Identify the owner, let healthy updates finish, terminate only a genuinely frozen frontend, then complete pending configuration and dependency repair.