How Linux Works, 2nd Edition: What Every Superuser Should KnowNo Starch Press, 2014 M11 14 - 392 pages Unlike some operating systems, Linux doesn’t try to hide the important bits from you—it gives you full control of your computer. But to truly master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does. In this completely revised second edition of the perennial best seller How Linux Works, author Brian Ward makes the concepts behind Linux internals accessible to anyone curious about the inner workings of the operating system. Inside, you’ll find the kind of knowledge that normally comes from years of experience doing things the hard way. You’ll learn: –How Linux boots, from boot loaders to init implementations (systemd, Upstart, and System V) –How the kernel manages devices, device drivers, and processes –How networking, interfaces, firewalls, and servers work –How development tools work and relate to shared libraries –How to write effective shell scripts You’ll also explore the kernel and examine key system tasks inside user space, including system calls, input and output, and filesystems. With its combination of background, theory, real-world examples, and patient explanations, How Linux Works will teach you what you need to know to solve pesky problems and take control of your operating system. |
Contents
The Big Picture | 1 |
Basic Commands and Directory Hierarchy | 11 |
Devices | 45 |
Disks and Filesystems | 65 |
How the Linux Kernel Boots | 93 |
How User Space Starts | 111 |
System Configuration Logging System Time Batch Jobs and Users | 149 |
A Closer Look at Processes and Resource Utilization | 171 |
Moving Files Across the Network | 271 |
User Environments | 287 |
A Brief Survey of the Linux Desktop | 297 |
Development Tools | 309 |
Introduction to Compiling Software from C Source Code | 329 |
Building on the Basics | 345 |
351 | |
355 | |
Understanding Your Network and Its Configuration | 189 |
Network Applications and Services | 229 |
Introduction to Shell Scripts | 249 |
Updates | 368 |
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Common terms and phrases
argument basic boot loader bootloader Bourne shell chapter client compiler configuration files connection create D-Bus daemon database default desktop disk driver error etc/passwd example executable exit code ext4 filename filesystem fsck grep GRUB hardware host inode input install Internet IP address iptables layer Linux kernel Linux system login look lsof machine Makefile manual memory messages mode mount network interface NetworkManager OpenSSH operating system option output package packets parameter password path pkg-config port problem protocol root router rsync runlevel Samba SCSI Section server setuid shared libraries shell scripts socket source code standard starts startup files subnet superuser swap symbolic link system calls System V init tcpdump terminal there’s udev udevd Unix Unix domain sockets Upstart user ID user processes user space user-space user’s username variable window