The cx_Oracle and node-oracledb modules provide an easy way to connect to an Oracle database running on any platform.

Learn how to configure mail aliases and mail forwarding for the sendmail program on Linux. Learn about some alternative mail transfer agents. Use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification or to learn for fun.

Learn how to configure the syslog daemon on your Linux system and how to send log output to a central log server or accept log output as a central log server. Learn about the systemd journal subsystem and rsyslog and syslog-ng as alternative logging systems. Use the material in this…

Learn how to set your Linux system clock and synchronize your time with an Internet NTP time server. You can use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification or to learn for fun.

Use this roadmap to find IBM developerWorks tutorials that help you learn and review basic Linux tasks. And if you're also pursuing professional certification as a Linux system administrator, these tutorials can help you study for the Linux Professional Institute's LPIC-1: Linux Server Professional Certification exam 101 and exam 102.…

Learn how to use locale and time zone settings to put your Linux system in the right time and place. You can use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification or to learn for fun.

Learn how to check the integrity of your Linux filesystems, monitor free space, and fix simple problems. Use the material in this tutorial to study for the Linux Professional Institute (LPI) 101 exam for Linux system administrator certification -- or just to check your filesystems and keep them in good…

Learn how to use the vi editor, found on almost every UNIX and Linux system. You can use the material in this article to study for the LPI 101 exam for Linux system administrator certification, or just to learn for fun.

Learn how to set up your computer hardware for Linux and how to find information about your hardware via Linux commands and tools. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or to learn for fun.

Learn about process management on Linux: how to shuffle processes between foreground and background, find out what's running, kill processes, keep processes running after you've left for the day, and multitask in a terminal window. You can use the material in this tutorial to study for the Linux Professional Institute…

You've probably heard that everything in Linux is a file, so start on the right path with a solid grounding in file and directory management: finding, listing, moving, copying, and archiving. Use the material in this tutorial to study for the Linux Professional Institute LPIC-1: Linux Server Professional Certification exam…

There's a lot more to text manipulation than cut and paste, particularly when you aren''t using a GUI. In this tutorial, Ian Shields introduces you to text manipulation on Linux using filters from the GNU textutils package. By the end of this tutorial, you will be manipulating text like an…

Learn how to manage user and group accounts and the related system files. You can use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification, or to learn for fun.

Learn how to query databases and manipulate data by using basic SQL commands. You can use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification, or to learn for fun.

Learn the correct location for files under the Filesystem Hierarchy Standard (FHS) on a Linux system and see how to find important files and commands. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or just to explore file…

Learn how to create partitions on a disk drive and how to format them for use on a Linux system as swap or data space. Use the material in this tutorial to study for the Linux Professional Institute LPIC-1: Linux Server Professional Certification exam 101, or just to learn about…

Learn to mount your Linux filesystems; configure and use removable USB, IEE 1394, or other devices; and properly access floppy disks, CDs, and DVDs. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or just to learn about accessing…

Learn to manage file ownership and permissions on your Linux filesystems. Learn about access modes such as suid, sgid, and the sticky bit and how to use them to enhance security. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator…

Learn to set and check disk quotas on your Linux filesystems to prevent individual users from using more space than allowed and to prevent whole filesystems from filling up unexpectedly. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification,…

Learn how to create and manage hard and symbolic links to files on your Linux system. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or just to explore the differences between hard and soft, or symbolic, links and…

Learn how to customize existing scripts or write simple new bash scripts using standard shell syntax, looping and control structures, and tests for success or failure. You can use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification, or to learn for…

Learn how to use regular expressions, and then use them to find things in files on your filesystem. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or just to learn for fun.

GUIs are fine, but to unlock the real power of Linux, there's no substitute for the command line. In this tutorial, Ian Shields introduces you to some of the major features of the bash shell, with an emphasis on the features that are important for LPI certification. By the end…

Learn how to install, upgrade and manage packages on your Linux system. This tutorial focuses on the Red Hat Package Manager (RPM) developed by Red Hat, as well as the Yellowdog Updater Modified (YUM) originally developed to manage Red Hat Linux systems at Duke University's Physics department. You can use…

Learn how to customize your Linux shell environment and write simple bash functions. You can use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification, or to learn for fun.

Learn to guide your Linux system through the boot process. You can use the material in this tutorial to study for the LPIC-1 101 exam for Linux system administrator certification or just to learn about the boot process. The material corresponds to the LPI April 2015 Version 4.0 objectives.

Learn how to install, upgrade, and manage packages on your Linux system. This tutorial focuses on the Advanced Packaging Tool, or APT, which is the package management system used by Debian and distributions derived from Debian, such as Ubuntu. You can use the material in this tutorial to study for…

Learn how to determine which shared libraries your Linux executable programs depend on and how to load them. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or just to learn for fun.

Learn how to choose and configure a boot manager for your Linux system. You can use the material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or to learn for fun.

Learn how to design a partition layout for disks on a Linux system. Use the material in this tutorial to study for the Linux Professional Institute LPIC-1: Linux Server Professional Certification exam 101, or to learn for fun.

If you think streams and pipes make a Linux expert sound like a plumber, here's your chance to learn about them and how to redirect and split them. You even learn how to turn a stream into command arguments. You can use the material in this tutorial to study for…

Learn how to set and change process priorities so that applications get as much processing time as they need. You can use this material in this tutorial to study for the LPI 101 exam for Linux system administrator certification, or just to learn for fun.