Book Image

CentOS 6 Linux Server Cookbook

By : Jonathan Hobson
Book Image

CentOS 6 Linux Server Cookbook

By: Jonathan Hobson

Overview of this book

CentOS is a community-based enterprise class operating system and this book will provide a series of practical solutions that will not only show you how to install and maintain CentOS as a server, but to explore this well-known Linux distribution with the intention of tackling many common issues by providing some tricks of the trade in order to simplify the task of building a server."CentOS 6 Linux Server Cookbook" is a practical guide to installation, configuration, administration, and maintenance. This is a one-stop-shop to all things CentOS, so regardless as to whether you need a mail server, web server, database server, domain server or a file sharing platform, this book provides a comprehensive series of starting points that will give you direct access to the inner workings of this open source, community-based enterprise server."CentOS 6 Linux Server Cookbook" is a practical guide to the complete installation, configuration, administration, and maintenance of one of the world's most popular community-based enterprise servers.From installation to configuration, this book of recipes will take you on a journey to explore inner workings of CentOS server. Within this book you will learn how to install CentOS in variety of settings, enhance your installation with the correct tools of the trade and prepare your server to fulfil almost any role you could ever need.By discovering more about time, networking, package management, system management and security, this book will serve to show you how to get the very best from this freely available, open source server by presenting a series of solutions that will enable you to master the art of building your very own web, database, mail, domain name, file sharing services.CentOS 6 Linux Server Cookbook is a hands-on approach to installing, configuring and managing this ever popular community based enterprise server. By taking you from installation to customization this book will serve all Linux professionals and enthusiasts alike by providing you with a practical guide to using CentOS as a world-class server solution that is capable of delivering your mail, web, ftp, domain and file sharing services.
Table of Contents (18 chapters)
CentOS 6 Linux Server Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Index

A

  • adduser command
    • about / How it works...
  • administrative user
    • creating / Creating an administrative user and becoming root with the switch user command, How it works..., There's more...
    • root, becoming with switch user command / Creating an administrative user and becoming root with the switch user command, How it works..., There's more...
  • anonymous FTP service
    • providing, VSFTP used / Providing an anonymous upload and download or download only FTP server with VSFTP, Getting ready, How to do it...
    • about / How it works...
    • working / How it works...
    • enabling / There's more...
  • Apache directives
    • about / How it works...
  • Apache HTTP Server Project
    • URL / See also
  • Apache name-based virtual hosting
    • configuring / Configuring Apache name-based virtual hosting, Getting ready, How to do it...
    • working / How it works...
  • Apache Project Documentation
    • URL / See also
  • Apache rewrite rule
    • about / How it works...
  • Apache suexec
    • about / There's more...
    • troubleshooting / There's more...
    • disabling / There's more...
    • reinstating / Reinstating suexec
  • Apache web server
    • working with / Introduction
    • installing / Getting ready, How to do it...
    • working / How it works..., There's more...
    • secure connection, adding / Adding a secure connection to the Apache web server by creating a self-signed SSL certificate using OpenSSL, How to do it...
    • user directories, enabling / Hosting peers by enabling user directories on the Apache web server and troubleshooting suexec, How to do it...
    • user host, activating / How it works...
    • publishing directories, configuring / How to do it...
    • vhosts.d, configuring / How to do it...
    • error documents, configuring / How to do it...
  • authentication methods
    • trust / How it works...
    • reject / How it works...
    • md5 / How it works...

B

  • Bash Script
    • about / There's more...
  • BIND
    • used, for building caching-only nameserver / Building a caching-only nameserver with BIND, How to do it..., How it works...
    • about / Building a caching-only nameserver with BIND
    • URL / See also
    • zone files, writing / Writing zone files for BIND, How to do it..., How it works...
    • hardening, with chroot / Hardening BIND with chroot and providing better security measures, How to do it..., How it works...
    • security measures, providing / Hardening BIND with chroot and providing better security measures, How to do it..., How it works...
  • body checks
    • activating / How to do it..., How it works...
  • boot loader
    • re-installing / Re-installing the boot loader, How to do it..., How it works...

C

  • caching-only nameserver
    • building, BIND used / Building a caching-only nameserver with BIND, Getting ready, How to do it..., How it works...
    • working / How it works...
    • configuring, in forward only mode / There's more...
    • DNS server access, enabling / Enabling access to a DNS server from behind a firewall
    • expired records, cleaning / Cleaning expired records
  • catch-all e-mail address
    • setting up, for virtual domain / Setting up a catch-all e-mail address for a virtual domain
  • CentOS
    • about / Introduction
    • installing / Introduction, How to do it...
    • downloading / Downloading CentOS and confirming the checksum on a Windows desktop, How to do it...
    • URL / How to do it...
    • checksum, confirming on Windows desktop / How to do it...
    • installing, graphical installer used / Performing an installation of CentOS using the graphical installer, How to do it..., How it works…
    • installing, in Text Mode / Installing CentOS in Text Mode and building a minimal installation, How to do it..., How it works...
    • boot loader, re-installing / Re-installing the boot loader, How to do it..., How it works...
    • GNOME desktop environment, adding / Getting ready, How to do it...
    • runlevel, changing / How to do it...
    • additional software, adding / How to do it...
    • system, updating with YUM / Updating the system with YUM, Getting ready, How it works...
    • enhancing, with EPEL and Remi repositories / Enhancing CentOS with the EPEL and Remi repositories, How to do it..., How it works...
    • security / Introduction
    • FTP, installing / Getting ready
  • CentOS network installation
    • about / Running a netinstall over HTTP
  • CentOS product specifications
    • URL / See also
  • CentOS project - approved vendors
    • URL / See also
  • CentOS project - ISO image burning
    • URL / See also
  • CentOS project - md5 checksum FAQ
    • URL / See also
  • CentOS project - mirror list
    • URL / See also
  • CentOS project home page
    • URL / See also
  • CentOS Project Postfix
    • URL / See also
  • CentOS project Wiki home page
    • URL / See also
  • CentOS server
    • static IP address, configuring for / Setting a static IP address, How to do it..., How it works...
  • CentOS wiki on repositories
    • URL / See also
  • CGI/Perl files
    • about / How to do it...
  • CGI/Perl script
    • running / Running a CGI/Perl script
  • channel bonding
    • about / Bonding two Ethernet devices to increase bandwidth and provide redundancy
  • chkconfig
    • about / Using chkconfig to enable a custom service at boot
    • used, for enabling custom service at boot / Getting ready, How to do it..., How it works..., There's more...
  • chroot
    • used, for hardening BIND / Hardening BIND with chroot and providing better security measures, How to do it...
  • ClamAV
    • running / Running antivirus scans with ClamAV, How to do it...
    • working / How it works...
    • manual approach / There's more...
    • Bash Script / There's more...
    • URL / See also...
  • Classless Inter-Domain Routing (CIDR) / Substituting the Netmask value with a prefix
  • Coordinated Universal Time (UTC)
    • about / How it works...
  • copy command
    • about / Synchronizing files and directories with rsync and working towards a full system backup with cron
  • CPU utilization
    • about / How it works...
  • cron
    • about / Automating tasks with cron
    • used, for automating tasks / How to do it..., How it works..., There's more...
  • crond / How it works...
  • crontab
    • about / How it works...
  • custom service, at boot
    • enabling, chkconfig used / Getting ready, How to do it..., How it works..., There's more...
  • custom share folder, Samba
    • creating for specific user or group of users / Creating a custom share folder for a specific user or a group of users, How to do it..., How it works..., There's more...
    • access, controlling / Controlling access and enabling a write list for specific users or groups
    • writeable access, enabling / Controlling access and enabling a write list for specific users or groups
    • guest-only access, enabling / Enabling guest-only access to a custom share folder

D

  • date command
    • about / How to do it...
  • DB4-Utils package / How to do it...
  • default gateway
    • about / How it works...
  • DenyHosts
    • about / Preventing dictionary-based attacks with DenyHosts
    • used, for preventing dictionary-based attacks / Preventing dictionary-based attacks with DenyHosts, How to do it..., How it works...
    • configuration file, personalizing / There's more...
    • IP address, unblocking / Unblocking an IP address
  • dictionary-based attacks
    • preventing, DenyHosts used / Preventing dictionary-based attacks with DenyHosts, How to do it..., How it works..., There's more...
  • diff command / How to do it...
  • directories
    • synchronizing, rsync used / Getting ready, How it works..., There's more...
  • dnsmasq
    • about / Deploying a local nameserver with dnsmasq
    • used, for deploying local nameserver / Deploying a local nameserver with dnsmasq, How to do it..., How it works...
    • URL / See also
    • used, for logging events / Logging events with dnsmasq and combining this with logrotate, How to do it..., How it works...
    • adding, to logrotate / Logging events with dnsmasq and combining this with logrotate, How to do it..., How it works...
    • domain name wildcards, enabling / Enabling domain name wildcards with dnsmasq, How it works...
  • dnsmasq man page
    • URL / See also
  • domain-wide MTA
    • enabling / Getting ready, How to do it..., How it works...
  • Domain Name System (DNS)
    • about / There's more...
  • domain name wildcards
    • enabling, with dnsmasq / Enabling domain name wildcards with dnsmasq, How to do it..., How it works...
  • DOS-based tool
    • downloading / How to do it...
    • URL / How it works…
  • Dovecot
    • configuring / Building a local POP3/SMTP server with Postfix and Dovecot
    • about / How to do it...
    • installing / There's more...
  • Dovecot Project homepage
    • URL / See also
  • drop_caches command
    • about / How it works...

E

  • e-mail
    • forwarding, to external e-mail address / How to do it..., How it works...
    • serving, across virtual domains with Postfix and Doveco / Using Postfix and Dovecot to serve e-mails across virtual domains
    • serving, across virtual domains with Postfix and Dovecot / How to do it..., How it works..., There's more...
  • e-mail reports
    • issuing, with Mutt / Getting ready, How it works..., There's more...
  • e-mail software
    • setting up, with SMTP authentication / Setting up e-mail software with SMTP authentication
  • e-mail software, POP3/SMTP server
    • setting up / Setting up e-mail software
  • enforcement mode / How it works...
  • EPEL/REMI repository home page
    • URL / See also
  • EPEL and Remi repositories
    • used, for enhancing CentOS / Enhancing CentOS with the EPEL and Remi repositories, How it works...
    • about / How it works...
  • Ethernet device
    • IP addresses, binding to / Binding multiple IP addresses to a single Ethernet device, How it works...
  • Ethernet devices
    • bonding / Bonding two Ethernet devices to increase bandwidth and provide redundancy, How to do it..., How it works...
  • events
    • logging, with dnsmasq / Logging events with dnsmasq and combining this with logrotate, How to do it..., How it works...
  • external e-mail address
    • e-mail, forwarding to / How to do it..., How it works...

F

  • fail2ban
    • used, for protecting SSH / Protecting SSH with fail2ban, Getting ready, How to do it...
    • about / Protecting SSH with fail2ban, There's more...
    • working / How it works...
  • files
    • synchronizing, rsync used / Getting ready, How it works..., There's more...
  • files and folders, Samba
    • hiding / Hiding folders and files with Samba, Getting ready, How it works..., There's more...
  • firewall configuration
    • performing / Configuring a firewall and working with IPTables, How to do it...
    • IP address, allowing / Allowing an IP address
    • IP address, banning / Banning an IP address
  • Firstboot
    • about / Finishing the installation process with Firstboot
    • used, for finalizing installation process / Getting ready, How it works..., There's more...
    • working / How it works...
  • FQDN
    • about / Changing the hostname and resolving a fully qualified domain name
    • resolving / Changing the hostname and resolving a fully qualified domain name, How to do it..., How it works...
  • free command
    • used, for evaluating memory usage / Getting ready, How to do it..., How it works...
    • about / How it works...
  • FTP
    • working with / Introduction

G

  • GCC / How it works...
  • GNOME desktop environment
    • about / Introduction
    • installing / Adding the GNOME desktop environment, changing the runlevel, and installing additional software, How to do it..., How it works...
  • GNU Nano Guide
    • URL / See also
  • GNU Nano home page
    • URL / See also
  • GRUB
    • about / How to do it..., How it works...

H

  • hardware clock
    • updating / Changing the time zone and updating the hardware clock, Getting ready, How to do it..., How it works..., There's more...
  • hostname
    • modifying / Changing the hostname and resolving a fully qualified domain name, How to do it..., How it works...
    • about / How it works...
  • HTTP
    • netinstall, running over / Running a netinstall over HTTP
  • HWADDR/MAC address
    • searching / Finding your HWADDR/MAC address

I

  • iburst option
    • about / There's more...
  • installation, CentOS
    • performing, graphical installer used / Performing an installation of CentOS using the graphical installer, How to do it..., How it works…
    • in Text Mode / Installing CentOS in Text Mode and building a minimal installation, How to do it..., How it works...
    • updating / How to do it...
    • finalizing, Firstboot used / Finishing the installation process with Firstboot, How it works..., There's more...
  • IP addresses
    • binding, to single Ethernet device / Binding multiple IP addresses to a single Ethernet device, How it works...
  • IPTables / How it works...
    • working with / Configuring a firewall and working with IPTables, How to do it..., How it works...
    • about / Configuring a firewall and working with IPTables
  • IPv4
    • about / Disabling the IPv6 module
  • IPv6
    • about / Disabling the IPv6 module
  • IPv6 module
    • disabling / Getting ready, How it works...

L

  • local nameserver
    • deploying, with dnsmasq / Deploying a local nameserver with dnsmasq, How to do it..., How it works...
  • location
    • linking / Linking time and location
    • modifying, for logfile / Modifying the logfile's location
  • logfile
    • location, modifying / Modifying the logfile's location
  • logfiles
    • managing, logrotate used / How to do it..., How it works...
  • logrotate
    • about / Using logrotate to manage logfiles
    • used, for managing logfiles / How to do it..., How it works...
    • dnsmasq, adding / How to do it...
  • log rotation
    • about / How it works...
    • extending, by adding NTP to logrotate / Getting ready, How it works...

M

  • Mail eXchanger
    • about / How it works...
  • mailq command / There's more...
  • mail relay settings
    • checking / There's more...
  • mailx
    • about / How to do it..., There's more..., There's more...
  • Make / How it works...
  • md5sum checksum tool
    • about / How it works…
  • memory cache
    • clearing / Getting ready, How to do it..., How it works...
  • memory usage
    • evaluating / Getting ready, How to do it..., How it works...
  • minimal installation, CentOS
    • enhancing, with administrative and development tools / Updating the installation and enhancing the minimal install with additional administration and development tools, How to do it..., How it works...
  • mkdir command / How to do it...
  • ModPerl**PerlRun
    • activating / Activating ModPerl::PerlRun
  • mod_perl
    • about / How to do it...
  • mod_ssl
    • about / How to do it...
  • multiple machines
    • synchronizing, NTP used / Synchronizing multiple machines
  • Mutt
    • about / Issuing customized e-mail reports with Mutt
    • used, for issuing e-mail reports / Getting ready, How it works..., There's more...
    • URL / See also
  • MySQL database
    • creating / How to do it...
  • MySQL Project homepage
    • URL / See also
  • MySQL server
    • installing, mysql_secure_installation used / Installing and hardening MySQL server with mysql_secure_installation, Getting ready, How to do it...
    • hardening, mysql_secure_installation used / Installing and hardening MySQL server with mysql_secure_installation, Getting ready, How to do it...
    • about / How it works..., How it works...
    • working / How it works...
    • accessing / There's more...
    • user privilege, assigning from command line / How to do it..., How it works...
    • restricted user, creating / There's more...
    • permissions, reviewing / Reviewing and revoking permissions or dropping a user
    • permissions, revoking / Reviewing and revoking permissions or dropping a user
    • user, removing / Reviewing and revoking permissions or dropping a user
  • MySQL Shell
    • about / How to do it...
  • MySQL user
    • creating / How to do it...
  • MySQL Workbench Project homepage
    • URL / See also
  • mysql_secure_installation script
    • used, for installing MySQL / Installing and hardening MySQL server with mysql_secure_installation, How to do it...
    • used, for hardening MySQL / Getting ready

N

  • nameserver
    • configuring / Adding zones to BIND and configuring a nameserver, How to do it..., How it works...
  • Nano text editor / How it works...
  • netinstall
    • about / Introduction
    • running, over HTTP / Running a netinstall over HTTP, How to do it..., How it works...
  • netinstall-based approach
    • requisites / Getting ready
  • Netmask value
    • substituting, with prefix / Substituting the Netmask value with a prefix
  • Network Manager
    • about / How it works...
  • network recycle bin
    • providing, for Samba / Providing a network recycle bin for Samba, How it works..., There's more...
  • newaliases command / How it works...
  • nslookup / How it works...
  • NTP
    • about / Synchronizing the system clock with NTP
    • used, for synchronizing system clock / Getting ready, How to do it..., How it works...
    • used, for synchronizing multiple machines / Synchronizing multiple machines
  • NTP query program (ntpq)
    • about / How to do it...

P

  • packages
    • installing, YUM used / Installing packages with YUM, How it works..., There's more...
    • removing, YUM used / Removing packages with YUM, How to do it..., How it works..., There's more...
    • finding, YUM used / Finding packages with YUM, How it works...
  • Package Selection Groups / How to do it...
  • PAM
    • about / How to do it...
  • PEERDNS / There's more...
  • Perl / How it works...
  • ping / How it works...
  • POP3/SMTP server
    • building, with Postfix and Dovecot / Building a local POP3/SMTP server with Postfix and Dovecot, How to do it..., How it works...
    • e-mail software, setting up / Setting up e-mail software
  • Posix Time Format / How to do it...
  • Postfix
    • configuring, as domain-wide MTA / Enabling a domain-wide Mail Transport Agent (MTA) and testing your SMTP configuration with Telnet
    • about / Enabling a domain-wide Mail Transport Agent (MTA) and testing your SMTP configuration with Telnet
  • Postfix and Dovecot
    • used, for serving e-mail across virtual domains / Using Postfix and Dovecot to serve e-mails across virtual domains
  • Postfix header
    • activating / How to do it...
  • Postfix Project documentation
    • URL / See also
  • Postfix Project homepage
    • URL / See also
  • PostgreSQL
    • about / Installing PostgreSQL, adding a user, and creating your first database, How to do it..., How it works...
    • installing / How to do it...
    • user, adding / How to do it...
    • database, creating / How to do it...
    • working / How it works...
    • connecting to / Connecting to PostgreSQL
    • database, accessing using psql / Accessing a PostgreSQL database using psql
    • database copy, creating / Creating a copy of a database in PostgreSQL
    • remote access, configuring / Configuring remote access to PostgreSQL, Getting ready, How it works...
  • PostgreSQL Project Homepage
    • URL / See also
  • prefix
    • Netmask value, substituting with / Substituting the Netmask value with a prefix
    • about / Substituting the Netmask value with a prefix
  • Python / How it works...

R

  • reflective synchronization
    • about / Fudging time
  • remote access, to PostgreSQL
    • configuring / Configuring remote access to PostgreSQL, How it works...
  • repository
    • about / How it works...
  • Rescue Mode
    • about / How it works...
  • reverse DNS lookup
    • about / How it works...
  • rsync
    • about / Synchronizing files and directories with rsync and working towards a full system backup with cron
    • used, for synchronizing directories / Getting ready, How it works..., There's more...
    • used, for synchronizing files / Getting ready, How it works..., There's more...
  • runlevel
    • changing / How to do it..., How it works...
    • about / How to do it..., How it works...

S

  • Samba
    • configuring, as standalone server / Configuring Samba as a standalone server and enabling home directories, How to do it...
    • about / How it works..., Adding, deleting, and disabling a Samba user
    • working / How it works...
    • using, with Mac OS / How it works...
    • user-level security / How it works...
    • logfiles / How it works...
    • printing support, disabling / Disable printing support in Samba
    • rules for SELinux, relaxing / Relaxing the rules for SELinux
    • firewall, opening / Opening the firewall
    • performance, improving / Assigning the master browser
    • accesses, managing / How it works...
    • network recycle bin, providing / Providing a network recycle bin for Samba, How it works..., There's more...
    • files and folders, hiding / Hiding folders and files with Samba, How to do it..., How it works..., There's more...
    • custom share folder, creating for specific user or group of users / Creating a custom share folder for a specific user or a group of users, How to do it..., How it works..., There's more...
    • URL / See also
  • Samba user
    • adding / How to do it...
    • deleting / How to do it...
    • disabling / How to do it...
    • managing / There's more...
  • sambausers
    • about / How to do it...
  • SASL
    • activating / How it works...
    • common settings, applying / How it works...
  • security, BIND
    • providing / Hardening BIND with chroot and providing better security measures, How to do it..., How it works...
  • security, CentOS
    • about / Introduction
    • user privilege, escalating with sudo / Escalating user privilege with sudo, Getting ready, How it works..., There's more...
    • sudo default timeout, changing / Change the default timeout
    • secure shell environment, hardening / Hardening the secure shell environment, How to do it..., How it works...
    • IPTables, working with / Configuring a firewall and working with IPTables
    • firewall, configuring / Configuring a firewall and working with IPTables, How to do it...
    • SSH, protecting with fail2ban / Protecting SSH with fail2ban, How to do it..., How it works..., There's more...
    • dictionary-based attacks, preventing with DenyHosts / Preventing dictionary-based attacks with DenyHosts, Getting ready, How it works...
    • ClamAV antivirus solution, running / Running antivirus scans with ClamAV, Getting ready, How it works...
  • self-signed SSL certificate, Apache web server
    • creating, OpenSSL used / Adding a secure connection to the Apache web server by creating a self-signed SSL certificate using OpenSSL, How to do it..., How it works...
  • SELinux / How it works..., How it works..., Getting ready
    • about / Switching SELinux off
    • switching off / Getting ready, How it works...
    • enforcing level / How it works...
    • permissive level / How it works...
    • disabled level / How it works...
  • server
    • time zone, modifying / Changing the time zone and updating the hardware clock, Getting ready, How to do it..., How it works...
  • size command / There's more...
  • SMTP Authentication
    • about / How to do it...
    • enabling / How to do it...
  • SMTP authentication
    • used, for setting up e-mail software / Setting up e-mail software with SMTP authentication
  • SMTP configuration
    • testing, with Telnet / How to do it..., How it works..., There's more...
  • spam
    • dealing with, SASL used / How to do it...
  • SSH
    • about / Hardening the secure shell environment, How it works...
    • working / How it works...
    • features / There's more...
    • protecting, fail2ban used / Protecting SSH with fail2ban, Getting ready, How to do it..., How it works...
  • SSH environment
    • harderning / Hardening the secure shell environment, How to do it..., How it works...
    • SSH port number, changing / Changing the SSH port number of your server
    • SSH access, limiting by user or group / Limiting SSH access by user or group
  • SSL/TLS
    • about / Providing a secure connection to VSFTP with SSL/TLS using OpenSSL encryption
    • used, for configuring VSFTP / Providing a secure connection to VSFTP with SSL/TLS using OpenSSL encryption
  • Start of Authority
    • about / How it works...
  • static IP address
    • configuring, for CentOS server / Setting a static IP address, How to do it..., How it works...
  • sudo
    • used, for escalating user privilege / Escalating user privilege with sudo, Getting ready, How it works...
    • about / How it works...
    • default timeout, changing / Change the default timeout
  • sudo command
    • about / There's more...
  • sum / How to do it...
  • superuser do command / How to do it...
  • switch user command
    • about / Creating an administrative user and becoming root with the switch user command
  • system backup
    • with cron / Getting ready, How it works..., There's more...
  • system clock
    • synchronizing, with NTP / Getting ready, How to do it..., How it works...
  • system update
    • running, YUM used / Updating the system with YUM, Getting ready, How it works...

T

  • tasks
    • automating, with cron / How to do it..., How it works..., There's more...
  • tdbsam backend / How it works...
  • Telnet service
    • installing / How to do it...
    • about / How it works...
    • working / How it works...
  • testparm command / There's more...
  • Text Mode, CentOS installation
    • performing / Installing CentOS in Text Mode and building a minimal installation
    • features / Installing CentOS in Text Mode and building a minimal installation
    • about / Getting ready
    • requisites / Getting ready
  • time
    • linking / Linking time and location
    • about / Synchronizing the system clock with NTP
  • time to live
    • about / How it works...
  • time zone
    • modifying, of server / Changing the time zone and updating the hardware clock, Getting ready, How to do it..., How it works...
  • top command
    • about / How it works...
  • Trivial Database (tdb)
    • about / Adding, deleting, and disabling a Samba user
  • TZDATA
    • about / Changing the time zone and updating the hardware clock, How to do it...
  • tzdata package
    • about / How to do it...
  • tzselect utility
    • about / How to do it...

U

  • unix_listener
    • configuring / How it works...
  • useradd command
    • about / How it works...
    / How it works...
  • user directories
    • enabling, on Apache web server / Hosting peers by enabling user directories on the Apache web server and troubleshooting suexec, How to do it...
  • user privilege
    • escalating, with sudo / Escalating user privilege with sudo, Getting ready, How it works...

V

  • vhosts.d, Apache
    • about / Working with publishing directories, vhosts.d, error documents, directives, and the rewrite rule for virtual hosting with the Apache web server
  • Vi Lovers home page
    • URL / See also
  • vim-enhanced / How it works...
  • Vim project home page
    • URL / See also
  • virtual users
    • implementing, in VSFTP / How to do it...
  • Vi text editor / How it works...
  • VSFTP
    • about / Building a basic FTP service by installing and configuring VSFTP
    • installing / How to do it...
    • configuring / How to do it...
    • working / How it works...
    • default time-out, changing / Changing the default time-out
    • user, banning from FTP service / Banning a user from the FTP service
    • banner, customizing / Customizing the banner
    • secure connection, providing with SSL/TLS / Providing a secure connection to VSFTP with SSL/TLS using OpenSSL encryption
    • configuring, SSL/TLS used / Providing a secure connection to VSFTP with SSL/TLS using OpenSSL encryption, How to do it..., How it works...
    • OpenSSL encryption, using / How to do it..., How it works...
    • virtual users, implementing / Implementing virtual users and directories in standalone mode on VSFTP, How to do it...
    • security, improving / How it works...
    • standalone mode, enabling / There's more...
    • used, for providing anonymous FTP service / Providing an anonymous upload and download or download only FTP server with VSFTP, How to do it...
  • VSFTP Project Configuration file list
    • URL / See also
  • VSFTP Project Documentation
    • URL / See also
  • VSFTP Project FAQ
    • URL / See also
  • VSFTP Project homepage
    • URL / See also

Y

  • YUM
    • used, for updating system / Updating the system with YUM, Getting ready
    • about / How it works..., How it works..., There's more...
    • working / How it works...
    • used, for installing packages / Installing packages with YUM, How it works..., There's more...
    • used, for removing packages / Removing packages with YUM, How to do it..., How it works..., There's more...
    • used, for finding packages / Finding packages with YUM, How it works...
  • Yum-cron
    • about / Automating Yum updates with Yum-cron, How it works...
    • used, for automating YUM updates / Automating Yum updates with Yum-cron, How to do it..., How it works...
    • working / How it works...
  • YUM cache
    • cleaning / Cleaning the YUM cache, How it works..., There's more...
  • Yum Package Manager / How it works...
  • YUM project wiki
    • URL / See also
  • Yum Prorities
    • installing / Installing Yum Priorities to support additional repositories, How to do it...
    • about / Installing Yum Priorities to support additional repositories
    • working / How it works...
  • YUM updates
    • automating, with Yum-cron / Automating Yum updates with Yum-cron, How to do it..., How it works...

Z

  • zone files
    • writing, for BIND / Getting ready, How to do it..., How it works...
    • about / How to do it...
    • serial-number value / How it works...
    • time-to-refresh value / How it works...
    • time-to-retry values / How it works...
    • minimum-TTL value / How it works...
  • zones
    • adding, to BIND / Adding zones to BIND and configuring a nameserver, How to do it..., How it works...