Error map

dpkg lock E: Could not get lock /var/lib/dpkg/lock-frontend — is another process using it?

Linux · layer 6, Platform & cloud

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Centre: this error. First ring: errors it is linked with (12). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.

1 · On your device 2 · Network 4 · Application & API 6 · Platform & cloud 7 · Build & delivery
dpkg lock — E: Could not get lock /var/lib/dpkg/lock-frontend — is another process using it? (Linux)dpkg lockEACCES — Linux: Permission denied (Linux)EACCESRepository does not have a Release file — E: The repository '...' does not have a Release file (Linux)Repository does not…sudoers — user is not in the sudoers file. This incident will be reported. (Linux)sudoersSub-process /usr/bin/dpkg returned an error code (1) — E: Sub-process /usr/bin/dpkg returned an error code (1) (Linux)Sub-process /usr/bi…error while loading shared libraries — error while loading shared libraries: libX.so.N: cannot open shared object file: No such file or directory (Linux)error while loading…gzip: stdin: not in gzip format — gzip: stdin: not in gzip format / tar: Error is not recoverable: exiting now (Linux)gzip: stdin: not in…Failed to download metadata for repo — Error: Failed to download metadata for repo 'appstream' (dnf / yum) (Linux)Failed to download …Unable to locate package — E: Unable to locate package (apt / apt-get install) (Linux)Unable to locate pa…held broken packages — Unmet dependencies / E: Unable to correct problems, you have held broken packages (Linux)held broken packagescommand not found — bash: command not found (Linux)command not founddpkg was interrupted — E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem (Linux)dpkg was interruptedNO_PUBKEY — The following signatures couldn't be verified because the public key is not available: NO_PUBKEY (Linux)NO_PUBKEYpublickey — Git: Permission denied (publickey). fatal: Could not read from remote repository. (Git)publickeyEACCES — npm ERR! code EACCES — permission denied (npm)EACCESdaemon — Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? (Docker)daemonAccessDeniedException — java.nio.file.AccessDeniedException: /path (Java)AccessDeniedExcepti…clipboard write blocked — NotAllowedError: Failed to execute 'writeText' on 'Clipboard': Document is not focused. (JavaScript)clipboard write blo…listen EACCES — Error: listen EACCES: permission denied 0.0.0.0:80 (Node.js)listen EACCESArgument list too long — bash: /bin/rm: Argument list too long (Linux)Argument list too l…cannot execute binary file — cannot execute binary file: Exec format error (Linux)cannot execute bina…Text file busy — Text file busy (ETXTBSY) when replacing or running a binary (Linux)Text file busy416 — HTTP 416 Range Not Satisfiable (HTTP)416Cannot allocate memory — fork: Cannot allocate memory / ENOMEM (Linux)Cannot allocate mem…Disk quota exceeded — Disk quota exceeded (EDQUOT) (Linux)Disk quota exceededTemporary failure in name resolution — ping: google.com: Temporary failure in name resolution (Linux)Temporary failure i…did not complete successfully — failed to solve: process "/bin/sh -c ..." did not complete successfully: exit code: 1 (Docker)did not complete su…ERESOLVE — npm ERR! code ERESOLVE — unable to resolve dependency tree (npm)ERESOLVEMODULE_NOT_FOUND — Error: Cannot find module 'x' (MODULE_NOT_FOUND) (Node.js)MODULE_NOT_FOUNDCould not resolve — Gradle: Could not resolve all files for configuration / Could not resolve dependency (Android)Could not resolvenot a git repository — fatal: not a git repository (or any of the parent directories): .git (Git)not a git repositoryENOENT — Error: ENOENT: no such file or directory (Node.js)ENOENTPhaseScriptExecution — Xcode: Command PhaseScriptExecution failed with a nonzero exit code (iOS)PhaseScriptExecutionwebhook signature — Webhook signature verification failed (Stripe, Razorpay, GitHub…) (API)webhook signatureREMOTE HOST IDENTIFICATION HAS CHANGED — WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! (ssh host key changed) (Linux)REMOTE HOST IDENTIF…avc: denied — SELinux is preventing ... / avc: denied { read } for pid=... (permission denied despite correct permissions) (Linux)avc: denied

Directly related (12)

EACCESLinux

Linux: Permission denied

Your user (or the service user) lacks read/write/execute permission on a file, directory or one of its parents.

Repository does not have a Release fileLinux

E: The repository '...' does not have a Release file

apt can’t find index files for a source — the repo doesn’t support your Ubuntu/Debian release, the URL is wrong, or the release r…

sudoersLinux

user is not in the sudoers file. This incident will be reported.

Your account isn’t allowed to use sudo.

Sub-process /usr/bin/dpkg returned an error code (1)Linux

E: Sub-process /usr/bin/dpkg returned an error code (1)

A package’s install/configure script failed, so dpkg aborted. The real error is a few lines above this message.

error while loading shared librariesLinux

error while loading shared libraries: libX.so.N: cannot open shared object file: No such file or directory

The program needs a shared library (.so) that isn’t installed or isn’t on the loader’s search path.

gzip: stdin: not in gzip formatLinux

gzip: stdin: not in gzip format / tar: Error is not recoverable: exiting now

The file isn’t actually a gzip archive — often an HTML error page saved by curl/wget, or an archive with a different compression.

Failed to download metadata for repoLinux

Error: Failed to download metadata for repo 'appstream' (dnf / yum)

dnf/yum can’t fetch a repository’s metadata — the mirror is unreachable, the repo URL is dead (CentOS 8 EOL), or there’s a DNS/pr…

Unable to locate packageLinux

E: Unable to locate package (apt / apt-get install)

apt can’t find the package name in its package lists — the lists are stale, the repository isn’t enabled, or the name is wrong fo…

held broken packagesLinux

Unmet dependencies / E: Unable to correct problems, you have held broken packages

apt can’t find a set of package versions that satisfies all dependencies — usually mixed repositories or a package from another r…

command not foundLinux

bash: command not found

The shell can’t find an executable with that name in any directory on your PATH.

dpkg was interruptedLinux

E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem

A previous package operation stopped halfway (closed terminal, reboot, power loss), and apt refuses to continue until it’s finish…

NO_PUBKEYLinux

The following signatures couldn't be verified because the public key is not available: NO_PUBKEY

apt can’t verify a repository’s signature because the repo’s signing key isn’t installed (or has expired/rotated).

Two steps away (23)

publickeyGit

Git: Permission denied (publickey). fatal: Could not read from remote repository.

SSH authentication to GitHub/GitLab/Bitbucket failed — no key, wrong key, or the key isn’t added to your account.

EACCESnpm

npm ERR! code EACCES — permission denied

npm can’t write to a directory — usually global installs into a root-owned folder.

daemonDocker

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

The docker CLI can’t talk to the Docker engine — it isn’t running, or your user can’t access the socket.

AccessDeniedExceptionJava

java.nio.file.AccessDeniedException: /path

The OS denied a file operation to the Java process.

clipboard write blockedJavaScript

NotAllowedError: Failed to execute 'writeText' on 'Clipboard': Document is not focused.

The Clipboard API refused to write — the page isn’t focused, there was no user gesture, or the context isn’t secure.

listen EACCESNode.js

Error: listen EACCES: permission denied 0.0.0.0:80

Node isn’t allowed to bind that port — ports below 1024 need root on Linux/macOS, and some Windows ports are reserved.

Argument list too longLinux

bash: /bin/rm: Argument list too long

A glob like * expanded to more file names than the kernel allows in one command (ARG_MAX), so the command never ran.

cannot execute binary fileLinux

cannot execute binary file: Exec format error

The program was built for a different CPU architecture or OS — e.g. an x86_64 binary on an ARM machine (Raspberry Pi, Graviton, A…

Text file busyLinux

Text file busy (ETXTBSY) when replacing or running a binary

You tried to overwrite an executable that is currently running, or run one that is still open for writing.

416HTTP

HTTP 416 Range Not Satisfiable

The client asked for a byte range (Range: bytes=…) that lies outside the file — usually a resumed download of a file that changed…

Cannot allocate memoryLinux

fork: Cannot allocate memory / ENOMEM

The kernel refused a memory allocation — RAM and swap are exhausted, or overcommit/cgroup limits block it.

Disk quota exceededLinux

Disk quota exceeded (EDQUOT)

Your user or group has used its storage quota on this filesystem, even if the disk itself has space.

Temporary failure in name resolutionLinux

ping: google.com: Temporary failure in name resolution

The Linux host can’t resolve domain names — no working DNS server is configured or reachable.

did not complete successfullyDocker

failed to solve: process "/bin/sh -c ..." did not complete successfully: exit code: 1

A RUN step in your Dockerfile failed. The real error is printed in the lines just above this message.

ERESOLVEnpm

npm ERR! code ERESOLVE — unable to resolve dependency tree

npm 7+ found conflicting peer dependency requirements and refuses to install a broken tree.

MODULE_NOT_FOUNDNode.js

Error: Cannot find module 'x' (MODULE_NOT_FOUND)

Node can’t resolve the module path — the package isn’t installed, or a relative path/extension is wrong.

Could not resolveAndroid

Gradle: Could not resolve all files for configuration / Could not resolve dependency

Gradle couldn’t download a dependency — wrong coordinates/version, missing repository, offline mode, or network/proxy issues.

not a git repositoryGit

fatal: not a git repository (or any of the parent directories): .git

You ran a Git command outside a Git working tree.

ENOENTNode.js

Error: ENOENT: no such file or directory

A file or directory the program tried to open doesn’t exist at that path.

PhaseScriptExecutioniOS

Xcode: Command PhaseScriptExecution failed with a nonzero exit code

A Run Script build phase (CocoaPods, React Native, Flutter, SwiftLint, Crashlytics…) failed. The real error is above this line in…

webhook signatureAPI

Webhook signature verification failed (Stripe, Razorpay, GitHub…)

Your endpoint computed a different HMAC signature than the one the provider sent, so the webhook is rejected.

REMOTE HOST IDENTIFICATION HAS CHANGEDLinux

WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! (ssh host key changed)

The server’s SSH host key differs from the one saved in ~/.ssh/known_hosts — usually because the server was rebuilt or the IP was…

avc: deniedLinux

SELinux is preventing ... / avc: denied { read } for pid=... (permission denied despite correct permissions)

SELinux blocked the access — file permissions look fine, but the file’s security context or a boolean doesn’t allow the service t…

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