：No such file or directory error handling
Foreword: This article was first edited on September 28, 2024
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“: No such file or directory" This error message means that the compiler was unable to find a file named header file. This header file usually contains functions and definitions related to encryption, for examplecrypt() function for encrypting passwords in one direction.
There was this article:：No such file or directory personal experienceCan fix this error
There are steps 1, 2 and 3 inside the article, but step 1 will report an error as follows
error message (computing)
apt install libcrypt
The error is reported as follows：
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?
This problem occurs because you are runningapt install command without sufficient privileges.apt Root privileges are required to install the package, as it requires modifications to system files. The error message "are you root?" also makes this clear.
attempts
Failure: adding sudo also reported an error
sudo apt install libcrypt
The error is reported as follows：
E: Unable to locate package libcrypt
libcrypt The name of the package may be different in your distribution, or the package may be deprecated. The error encountered "E: Unable to locate package libcrypt" indicates thatapt I can't find the namelibcrypt of the software package.
Failure: Tried replacing the source inside and running the above code again side by side still reporting an error.
cure
Success: Try to run the following code on the successful installation, according to this article to do step 1 to correct the error after the steps, back to the above article to do steps 2 and 3 on the line!
sudo apt-get install libcrypt-dev
Commands executedsudo apt-get install libcrypt-dev The reason for the success is that the installation islibcrypt development files for the library, not the library itself.libcrypt-dev Includes the ability to compile and use thelibcrypt header files and other files required by the library's program.
libcrypt Libraries are usuallylibxcrypt Part of a larger package such as.libcrypt-dev is a separate package that provides developers with the ability to build programs that use thelibcrypt Library of files required by the application.
All that's needed to fix this error is the development file, though.
Optional: if requiredlibcrypt libraries themselves, you need to install the appropriate packages for your distribution. For example, in Ubuntu 20.04 and higher, you can install thelibcrypt1 Software packages:
sudo apt install libcrypt1