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Install OpenLDAP Server on CentOS 8
This section provides a tutorial example on how to build and install OpenLDAP server from source code. But release 2.4.9 seems to have problems on CentOS 8 systems.
2024-02-07, 5998🔥, 3💬

💬 2021-08-12 Antonoly: thank you a lot! 2.4.50 is working for me

"g++ -l..." to Link with Library Files
This section provides a tutorial example on how to use 'g++ -static' and 'g++ -l...' options to link your program with static or dynamic library files.
2024-01-22, 3468🔥, 3💬

💬 2022-06-20 AA: hello

Setup FTP Sub-Directory for Local Users
This section provides a tutorial example on how to setup 'ftp' sub-directory for local users and allow them upload and download files using vsftpd on CentOS systems.
2024-01-03, 111🔥, 0💬

Test FTP Access Remotely on CentOS
This section provides a tutorial example on how to update firewall on the vsftpd server (and its firewall gateway if it is served in the cloud) to open ports 21 and 30000-31000 for inbound connections.
2024-01-03, 111🔥, 0💬

Disable SSH Access for FTP Users
This section provides a tutorial example on how to disable SSH login access of a user on CentOS systems and allow his/her to use FTP service only for upload and download files.
2024-01-03, 117🔥, 0💬

Support FTP Over TLS on CentOS
This section provides a tutorial example on how to turn SSL/TLS support in vsftpd server on CentOS systems. A private-public key pair and a self-signed certificate is generated with the OpenSSL tool.
2024-01-03, 108🔥, 0💬

vsftpd Server Configuration
This section provides a tutorial example on how to configure vsftpd server to allow some local users to upload and download files in their own private Directories with FTP client programs.
2024-01-03, 111🔥, 0💬

Test FTP Access Locally on CentOS
This section provides a tutorial example on how to use the 'ftp' client program to access the 'vsftpd' server locally on the same CentOS computer.
2024-01-01, 107🔥, 0💬

Install vsftpd on CentOS
This section provides a tutorial example on how to install, enable and start vsftpd (Very Secure FTP Daemon) on CentOS systems.
2024-01-01, 114🔥, 0💬

"last/lastb" - Review Login History
This section provides a quick introduction of the 'last' and 'lastb' commands, which allows you to review login history and login attempts.
2023-12-28, 114🔥, 0💬

SSH Protocol and ssh/scp Commands
This chapter provides introductions and tutorial notes on SSH (Secure SHell) protocol and 'ssh/scp' commands. Topics include SSH connection steps; user password and public key authentication methods; SSH server configuration settings; 'ssh' for remote login sessions; 'scp' for copying remote files.
2023-12-26, 119🔥, 0💬

"systemctl status/start/stop/enable/disable" Commands
This section provides a quick introduction of the 'systemctl' command, which allows you to start or stop a system service, check the status of a service, and enable or disable a service at the boot time.
2023-08-02, 106🔥, 0💬

Reset Host Name on Linux Systems
This section provides a tutorial example on how to view and change host name settings on Linux systems.
2023-05-27, 109🔥, 0💬

"cURL" - Client for URL
This section provides a tutorial example on how to use 'cURL' command to send requests to a remote server in different protocols in URL format.
2023-05-24, 105🔥, 0💬

Internet Networking Tools
This chapter provides introductions and tutorial examples about Internet networking tools. Topics include 'wget' to download Web files; 'curl' to send requests to URLs.
2023-05-23, 116🔥, 0💬

"wget" - Get Files from the Web
This section provides a tutorial example on how to use 'wget' command to download files from the Web. 'wget' can resume failed downloads.
2023-05-23, 113🔥, 0💬

"g++ -I..." and CPATH Environment Variable
This section provides a tutorial example on how to use 'g++ -I...' option and/or CPATH environment variable to specify paths of include header files for GCC compiler.
2023-04-01, 3381🔥, 1💬

"g++ -c" and "ar src" to Build Static Library
This section provides a tutorial example on how to use 'g++ -c' and 'ar src' commands to compile your code and to build static library file on Linux systems.
2022-12-17, 1621🔥, 1💬

💬 2022-12-17 kimi no na wa: meaningful comments.

"g++ -shared" to Build Dynamic Library
This section provides a tutorial example on how to use 'g++ -shared' commands to compile your code and to build dynamic library file on Linux systems.
2022-10-02, 3420🔥, 2💬

💬 2022-10-02 Herong: Bergshoeff, you are welcome!

💬 2022-10-01 Bergshoeff: Thank you for including alternative methods and showing some common error messages and their fixes.

Manage DNF Package Repositories
This section provides a tutorial example on how to manage DNF Package Repositories on CentOS systems.
2022-10-01, 8103🔥, 0💬

"Server sent charset unknown to the client" Error
This section provides a tutorial example on how to resolve the 'Server sent charset unknown to the client' error received in PHP mysqli_connect() call to MySQL 8.0 running on CentOS 8 systems.
2022-10-01, 4718🔥, 0💬

Open Firewall for MySQL Server on CentOS
This section provides a tutorial example on how to setup MySQL server and firewall to client computers to use TCP/IP connections on CentOS 8 systems.
2022-10-01, 3815🔥, 0💬

Install MySQL Connector/Python on CentOS
This section provides a tutorial example on how to install MySQL Connector/Python on CentOS systems.
2022-10-01, 3308🔥, 0💬

"g++ --verbose" - GCC Compiler Steps and Settings
This section provides a tutorial example on how to dump GCC compiler steps and settings using the 'g++ --verbose' command option.
2022-10-01, 2099🔥, 0💬

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