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Manage Multiple Firewall Zones
This section provides a tutorial example on how to manage multiple firewall zones on CentOS 8 systems.
2022-10-01, 716🔥, 0💬

Add/Remove PV on VG on the Fly
Describes what is a VG (Volume Group) - a virtual storage device made up by one or more PVs (Physical Volumes). Tutorial examples are given on how to create a new VG, add PV to a VG and remove a PV from a VG.
2022-10-01, 656🔥, 0💬

Reformat NTFS Partition into EXT4 Partition
This section provides a tutorial example on how to reformat a NTFS partition into a EXT4 partition on Linux system using the 'fsmk -t ext4' command.
2022-10-01, 647🔥, 0💬

Install Tesseract as the OCR Engine
This section provides a tutorial example on how to install Tesseract as the OCR Engine.
2022-10-01, 644🔥, 0💬

Use OpenLDAP Client Tools
This section provides a tutorial example on how to install OpenLDAP client tools and use them to access and manage LDAP server remotely.
2022-10-01, 637🔥, 0💬

Install GCC C/C++ Compilers
This section provides a tutorial example on how to install GCC C/C++ compiler on CentOS systems.
2022-10-01, 632🔥, 0💬

What Is pkgs.org
This section provides a tutorial example on how to use pkgs.org Website to search, find and install software packages on Linux systems.
2022-10-01, 596🔥, 0💬

Install "git-core" for GitHub Packages on CentOS
This section provides a tutorial example on how to install 'git-core' on CentOS 8 systems for managing GitHub packages.
2022-10-01, 558🔥, 0💬

"split" and "cat" - Split and Join Files
This section provides a tutorial example on how to use 'split' command to split it into chunks and use 'cat' command to join chunks back into a single file.
2022-10-01, 552🔥, 0💬

"firewalld" and "firewall-cmd" on CentOS
This section provides a tutorial example on how to use 'firewalld' daemon and 'firewall-cmd' CLI to manage network firewall on CentOS 8 systems.
2022-10-01, 550🔥, 0💬

Block Devices and Partitions
This chapter provides tutorial examples on block devices and partitions. Topics include understanding block devices, partition tables and partitions; using 'hdparm -i' command to display device information; differences between MBR and GPT partition table (disklabel) types; using 'parted' commands to...
2022-10-01, 519🔥, 0💬

SquirrelMail Configuration on CentOS
This section provides a tutorial example on how to configure SquirrelMail on CentOS to integrate with local Postfix and Dovecot servers.
2022-10-01, 486🔥, 0💬

Install and Manage Java Packages on CentOS
This section provides a tutorial example on how to install OpenJDK 11 JRE (Java Runtime Environment) on CentOS 8 systems using 'dnf/yum' as the package manager.
2022-10-01, 459🔥, 0💬

Reset Timezone on Linux Systems
This section provides a tutorial example on how to view and change timezone settings on Linux systems using the 'timedatectl' command.
2022-10-01, 438🔥, 0💬

Install OpenLDAP Server on CentOS
This section provides a tutorial example on how to install OpenLDAP server on a CentOS 6 computer.
2022-10-01, 435🔥, 0💬

SquirrelMail Webmail Installation on CentOS
This section provides a tutorial example on how to install SquirrelMail on CentOS computers as a Web-based email client tool.
2022-10-01, 416🔥, 0💬

Truncate Log Files
This section provides a tutorial example on how to truncate log files in Linux computers.
2022-10-01, 408🔥, 0💬

Install and Configure Cockpit
This section provides a tutorial example on how to install and configure Cockpit as a system administrator Web tool on CentOS 8 systems.
2022-10-01, 398🔥, 0💬

/etc/mtab and /etc/fstab Files
This section provides a quick introduction on /etc/mtab and /etc/fstab. One holds currently mounted file systems. The other holds file systems to be mounted at boot time.
2022-10-01, 389🔥, 0💬

Hierarchical Structure of LDAP Entries
Describes the hierarchical structure of LDAP entries. components from X.509 certificates and domain names are used to form higher level and lower level LDAP entries.
2022-10-01, 387🔥, 0💬

"ldd" - Dynamic Library Dependency Checker
This section provides a tutorial example on how to use the 'ldd' tool to list dynamic library dependencies of any executable files, including dynamic library files on Linux systems.
2022-10-01, 386🔥, 0💬

Failed to Download Metadata for Repo ...
This section provides a tutorial example on how to fix the error, Failed to Download Metadata for Repo 'AppStream', on CentOS 8 computer.
2022-10-01, 364🔥, 0💬

Mount Windows Shared Folders
This section provides a tutorial example on how to mount Windows shared folders on Linux systems. 'cifs-utils' device driver is needed.
2022-10-01, 346🔥, 0💬

"Operation not permitted" Error on macOS
This section provides a tutorial example showing 'Operation not permitted' error when executing a shell script file on macOS system.
2022-10-01, 335🔥, 0💬

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