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Index
Linux Utilities Cookbook
Table of Contents Linux Utilities Cookbook Credits About the Author About the Reviewers www.PacktPub.com
Support files, eBooks, discount offers and more
Why Subscribe? Free Access for Packt account holders
Preface
What this book covers What you need for this book Who this book is for Conventions Reader feedback Customer support
Errata Piracy Questions
1. Using the Terminal / Command Line
Introduction Command retrieval and line editing
Getting ready How to do it... How it works...
Using history
Getting ready How to do it... How it works...
Filename auto-completion
Getting ready How to do it...
The shell prompt
How to do it... There's more...
Other environment variables
How to do it... How it works...
Using aliases
How to do it... There's more...
The .bashrc file
How to do it...
Dealing with blanks and special characters in filenames
How to do it... There's more...
Understanding the $? variable
How to do it... How it works... There's more...
Redirection and piping
How to do it... There's more...
Sending output from one terminal to another
Getting ready How to do it... How it works... There's more...
Using the Screen program
Getting ready How to do it... How it works... There's more...
2. The Desktop
Introduction GNOME 2
Getting ready How to do it... There's more...
KDE desktop
Getting ready How to do it... There's more...
xfce
Getting ready How to do it... There's more...
LXDE
Getting ready How to do it... There's more...
Unity
Getting ready How to do it... There's more...
Mate
Getting started How to do it... There's more...
3. Files and Directories
Introduction
Understanding inodes and the superblock
Copying, removing, and updating files and directories
Getting ready How to do it... There's more...
Finding files using find and locate
How to do it... There's more...
Creating text files – vim, Emacs, and others
Getting ready How to do it... There's more...
Using the file command
How to do it... There's more... How to do it...
Using grep to find patterns
Getting ready How to do it... There's more...
Compressing files using ZIP and TAR
Getting ready How to do it... There's more...
Other helpful commands such as stat, sum, touch, and more
How to do it... There's more...
4. Networking and the Internet
Introduction Troubleshooting bad connections
Getting ready How to do it... There's more...
Copying files to another machine – FTP and SCP
Getting ready How to do it... There's more...
Logging into another machine – Telnet and Secure Shell
Getting ready How to do it... There's more...
Getting a web page without a browser – wget
How to do it... There's more...
Browsing the web – Firefox
Getting ready How to do it... There's more...
E-mail – Using a web mail program
Getting ready How to do it... There's more...
Running your own web server – httpd
Getting ready How to do it... There's more...
What is using that port? The /etc/services file
How to do it... There's more...
IPv4 versus IPv6
How to do it... There's more...
5. Permissions, Access, and Security
Introduction Creating and managing user accounts – useradd
Getting ready How to do it... There’s more...
Working with passwords
How to do it... There’s more...
Working with file permissions
Getting ready How to do it... There’s more...
Working with the firewalls and router settings
How to do it... There’s more...
Working with Secure Linux – SELinux
Getting ready How to do it... There’s more...
Using sudo to secure a system
Getting ready... How to do it... There’s more...
The /tmp directory
How to do it... There’s more...
6. Processes
Introduction Understanding processes
How to do it… There’s more...
Examining processes with ps
How to do it... How it works... There’s more...
Examining processes using top
Getting ready How to do it... How it works... There’s more...
Changing priorities with nice
How to do it... There’s more...
Observing a process using the /proc filesystem
How to do it... There’s more...
7. Disks and Partitioning
Introduction Using fdisk
Getting ready How to do it... There’s more...
Using mkfs to format a drive
Getting ready How to do it...
Using fsck to check the filesystem
Getting ready How to do it... There’s more...
Logical Volume Management (LVM)
Getting ready How to do it... There’s more...
Understanding different filesystems
8. Working with Scripts
Introduction Removing text from a file
How to do it...
Script 1 – removing line numbers
How it works… There's more...
Using script parameters
How to do it...
Script 2 – parameters
How it works… There's more...
Coding a loop in a script
How to do it...
Script 3 - loops
How it works... There's more...
Backing up your system
How to do it...
Script 4 – making backups
How it works...
Locking a file for only one use at a time
How to do it...
Script 5 – file locking
How it works...
Getting introduced to Perl
Getting ready How to do it... How it works... There's more...
9. Automating Tasks Using Cron
Introduction Creating and running a crontab file
Getting ready How to do it...
Running a command every other week
How to do it... How it works... There's more...
Reporting the errors from a crontab file
How to do it... There's more...
10. The Kernel
Introduction A brief look at module commands
How to do it... How it works... There's more...
Building a kernel from kernel.org
Getting ready How to do it...
Using xconfig to modify the configuration
Getting ready How to do it... There's more...
Working with GRUB
How to do it... How it works...
Understanding GRUB 2
How to do it... How it works... There's more...
A. Linux Best Practices
Introduction Root user versus normal user Running the GUI Creating, verifying, and storing backups Permissions and who you are Making backups in real time Environment variables and shells The best environment Using and monitoring a UPS Being careful when copying files Verifying archive files and using checksums Firewalls, router settings, and security What to do if you find an intrusion Spaces in filenames Using scripts and aliases to save time and effort Using scp and ssh with automatic authentication Saving history and taking screenshots Space on drives Being open to new ideas
B. Finding Help
Introduction Using man pages Using the info command Commands and the Usage section Local documentation directories Browsing the web to find help Distribution release notes Linux users' groups Internet Relay Chat (IRC)
Index
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