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Cockpit - Web Portal for Administrator
This chapter provides introductions and tutorial on Cockpit, a Web portal for Linux administrators. Topics include instroduction of Cockpit; installing and configuring Cockpit; removing 'Web console' welcome message.
2022-10-01, 232🔥, 0💬

About This Book
This section provides some detailed information about this book - __title__.
2022-10-01, 232🔥, 0💬

"tar -c" and "tar -x" - Create and Extract Archive Files
This section provides a tutorial example on how to use 'tar -c' command to compress multiple file and sub-directories into an archive file and use 'tar -x' command to extract files out of an archive file.
2022-10-01, 231🔥, 0💬

Extend /home LV with a New Partition
This section provides a tutorial example on how to extend the /home file system on a LV (Logical Volume) on the fly with an newly added PV (Physical Volume) on the VG (Volume Group).
2022-10-01, 221🔥, 0💬

"nmap" - Network Mapper on CentOS
This section provides a tutorial example on how to install and use 'nmap' (Network Mapper), as a network exploration tool and security scanner on CentOS systems.
2022-10-01, 215🔥, 0💬

Configure OpenLDAP Server on CentOS
This section provides a tutorial example on how to configure OpenLDAP server on a CentOS 6 computer to build a simple local directory service.
2022-10-01, 214🔥, 0💬

"ifconfig" - Trace Routes to Remote Host
This section provides a tutorial example on how to use 'ifconfig' command to view and manage network interface configurations.
2022-10-01, 213🔥, 0💬

"tmux" - Terminal Multiplexer
This section provides a tutorial example on how to use 'tmux' tool to manage multiple shells as windows and panes in a single terminal. 'tmux' automatically keeps all shells running when the terminal is disconnected.
2022-10-01, 213🔥, 0💬

"traceroute" - Trace Routes to Remote Host
This section provides a tutorial example on how to use 'traceroute' command to trace routes (or gateways) between the local host and a given remote host.
2022-10-01, 208🔥, 0💬

File Systems
This chapter provides introductions and tutorial on Linux file systems. Topics include 'df' to see disk free spaces of mounted file systems; 'mount' to access USB drive file systems; 'fdisk' to list partitions and file system types; 'dd' to copy data and test I/O speed; 'hdparm' to manage hard disk ...
2022-10-01, 206🔥, 0💬

Software Package Manager on CentOS - DNF and YUM
This chapter provides introductions and tutorial examples about Software Package Manager on CentOS systems. Topics include introductions of DNF (Dandified YUM) and YUM (Yellowdog Update Modified); installing Java.
2022-10-01, 206🔥, 0💬

"shutdown" and "halt|poweroff|reboot" Commands
This section provides a quick introduction of the 'shutdown' command, and its alias commands 'halt', 'poweroff', and 'reboot'.
2022-10-01, 205🔥, 0💬

Install MySQL Database Server on CentOS
This section provides a tutorial example on how to install MySQL 8.0 server on CentOS 8 systems using 'dnf/yum' as the package manager.
2022-10-01, 205🔥, 0💬

Create CentOS Bootable USB
This section provides a tutorial example on how to download the full CentOS ISO image file and create a bootable USB drive on a macOS computer.
2022-10-01, 202🔥, 0💬

LVM (Logical Volume Manager)
This chapter provides introductions and tutorial on LVM (Logical Volume Manager). Topics include introduction to LVM components: PV (Physical Volume), VG (Volume Group), LV (Logical Volume); creating and managing PV, VG, LV; extending file systems on LVs on the fly.
2022-10-01, 202🔥, 0💬

LDAP (Lightweight Directory Access Protocol)
This chapter provides introductions and tutorials on OpenLDAP. Topics include introduction to LDAP and OpenLDAP; installing OpenLDAP server and client tools on CentOS systems; configuring OpenLDAP for directory service; accessing and managing directory entries remotely; using LDAP service on iPhone ...
2022-10-01, 199🔥, 0💬

Monitor Network Services on CentOS
This section provides a tutorial example on how to use different tools, netstat (Network Status), lsof (List of Open Files), ss (Socket Statistics), to monitor network services on CentOS systems.
2022-10-01, 198🔥, 0💬

"tmux" - Terminal Multiplexer
This section provides a tutorial example on how to use 'tmux' tool to manage multiple shells as windows and panes in a single terminal. 'tmux' automatically keeps all shells running when the terminal is disconnected.
2022-10-01, 198🔥, 0💬

Graphics Environments on Linux
This chapter provides introductions and tutorial examples about graphics environments. Topics include introduction to GNOME desktop; creating GNOME applications in Python; introduction to XQuartz X11 server; running Tk Python, Matplotlib Python scripts and Java GUI apps on GNOME desktop and X11 serv...
2022-10-01, 196🔥, 0💬

What Is LDAP
Describes what is LDAP (Lightweight Directory Access Protocol) - a communication protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network.
2022-10-01, 195🔥, 0💬

"make" - Manage Program Build Process
This section provides a tutorial example on how to use the 'make' tool to manage the build process of large programs that have multiple components.
2022-10-01, 195🔥, 0💬

What Is OpenLDAP
Describes what is OpenLDAP - an open source implementation of the LDAP (LightweightDirectory Access Protocol).
2022-10-01, 194🔥, 0💬

What Is DNF
This section provides a quick introduction on DNF (also called Dandified YUM), which is the next generation of YUM (Yellowdog Update Modified) software package manager for RPM (RedHat Package Manager) based Linux distributions.
2022-10-01, 193🔥, 0💬

What Is LVM (Logical Volume Manager)
Describes what is LVM (Logical Volume Manager) on Linux systems. Commands are provides on how to display LVM related information.
2022-10-01, 193🔥, 0💬

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