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BOOK LINUX NOTES FOR PROFESSIONALS

SUMMARY

103

About 1
Chapter 1: Getting started with GNU/Linux 2
Section 11: Useful shortcuts 2
Section 12: File Management Commands 3
Section 13: Hello World 5
Section 14: Basic Linux Utilities 5
Section 15: Searching for files by patterns in name/contents 6
Section 16: File Manipulation 7
Section 17: File/Directory details 8
Chapter 2: Detecting Linux distribution name and version 11
Section 21: Detect what debian-based distribution you are working in 11
Section 22: Detect what systemd-based distribution you are using 11
Section 23: Detect what RHEL / CentOS / Fedora distribution you are working in 12
Section 24: Uname - Print information about the current system 13
Section 25: Detect basic information about your distro 13
Section 26: Using GNU coreutils 13
Section 27: Find your linux os (both debian & rpm) name and release number 14
Chapter 3: Getting information on a running Linux kernel 15
Section 31: Getting details of Linux kernel 15
Chapter 4: Shell 16
Section 41: Changing default shell 16
Section 42: Basic Shell Utilities 17
Section 43: Create Your Own Command Alias 18
Section 44: Locate a file on your system 18
Chapter 5: Check Disk Space 19
Section 51: Investigate Directories For Disk Usage 19
Section 52: Checking Disk Space 21
Chapter 6: Getting System Information 23
Section 61: Statistics about CPU, Memory, Network and Disk (I/O operations) 23
Section 62: Using tools like lscpu and lshw 23
Section 63: List Hardware 24
Section 64: Find CPU model/speed information 25
Section 65: Process monitoring and information gathering 26
Chapter 7: ls command 28
Section 71: Options for ls command 28
Section 72: ls command with most used options 28
Chapter 8: File Compression with tar command 30
Section 81: Compress a folder 30
Section 82: Extract a folder from an archive 30
Section 83: List contents of an archive 30
Section 84: List archive content 31
Section 85: Compress and exclude one or multiple folder 31
Section 86: Strip leading components 31
Chapter 9: Services 32
Section 91: List running service on Ubuntu 32
Section 92: Systemd service management 32
Chapter 10: Managing Services 33
Section 101: Diagnosing a problem with a service 33
Section 102: Starting and Stopping Services 33
Section 103: Getting the status of a service 34
Chapter 11: Modifying Users 35
Section 111: Setting your own password 35
Section 112: Setting another users password 35
Section 113: Adding a user 35
Section 114: Removing a user 35
Section 115: Removing a user and its home folder 35
Section 116: Listing groups the current user is in 35
Section 117: Listing groups a user is in 35
Chapter 12: LAMP Stack 36
Section 121: Installing LAMP on Arch Linux 36
Section 122: Installing LAMP on Ubuntu 37
Section 123: Installing LAMP stack on CentoOS 38
Chapter 13: tee command 40
Section 131: Write output to stdout, and also to a file 40
Section 132: Write output from the middle of a pipe chain to a file and pass it back to the pipe 40
Section 133: write the output to multiple files 40
Section 134: Instruct tee command to append to the file 40
Chapter 14: Secure Shell (SSH) 42
Section 141: Connecting to a remote server 42
Section 142: Installing OpenSSH suite 42
Section 143: Configuring an SSH server to accept connections 43
Section 144: Passwordless connection (using a key pair) 43
Section 145: Generate public and private key 43
Section 146: Disable ssh service 43
Chapter 15: SCP 45
Section 151: Secure Copy 45
Section 152: Basic Usage 45
Chapter 16: GnuPG (GPG) 46
Section 161: Exporting your public key 46
Section 162: Create and use a GnuPG key quickly 46
Chapter 17: Network Configuration 47
Section 171: Local DNS resolution 47
Section 172: Configure DNS servers for domain name resolution 47
Section 173: See and manipulate routes 47
Section 174: Configure a hostname for some other system on your network 48
Section 175: Interface details 49
Section 176: Adding IP to an interface 50
Chapter 18: Midnight Commander 52
Section 181: Midnight Commander function keys in browsing mode 52
Section 182: Midnight Commander function keys in file editing mode 52
Chapter 19: Change root (chroot) 54
Section 191: Requirements 54
Section 192: Manually changing root in a directory 54
Section 193: Reasons to use chroot 55
Chapter 20: Package Managers 56
Section 201: How to update packages with the apt package manager 56
Section 202: How to install a package with the pacman package manager 56
Section 203: How to update packages with the pacman package manager 56
Section 204: How to update packages with yum 57
Chapter 21: Compiling the Linux kernel 58
Section 211: Compilation of Linux Kernel on Ubuntu 58
Credits 59
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