Download Debian 7: System Administration Best Practices by Rich Pinkall Pollei PDF

By Rich Pinkall Pollei

In Detail
Debian is without doubt one of the hottest Linux-based working structures, with over 37 thousand software program applications to be had in different architectures. Debian 7 is the newest model of this common working process and gives the basis for hundreds of thousands of internet servers. you can set up, sturdy, and gives mechanisms for process security.

Debian 7: approach management most sensible Practices presents worthy history details, suggestions, and suggestion at the significant parts of putting in, protecting, and administering Debian Linux, from unmarried platforms to clusters. examine what makes Debian the main sturdy and renowned Linux distribution for net sites.

Debian 7: procedure management most sensible Practices is an summary of what directors want to know for you to successfully administer Debian Linux structures, supplying tips and suggestion on what's to be had, and what event has proven to paintings top. beginning with what distinguishes Debian from different Linux distributions, you'll know about the Debian venture. find out about the methods platforms are booted, and the way top to put out disk walls, and the elemental tips on how to set up and configure Debian software program applications. observe easy methods to deal with Debian platforms, from bootup to shutdown, and what security features might be required in your peace of brain, in addition to recommendation on complicated subject matters that come with excessive availability clustering.

Approach
A step by step, example-based consultant to studying find out how to set up and administer the Debian Linux distribution.
Who this e-book is for

Debian 7: approach management most sensible Practices is for clients and directors who're new to Debian, or for pro directors who're switching to Debian from one other Linux distribution. A easy wisdom of Linux or UNIX structures turns out to be useful, yet no longer strictly required. because the publication is a excessive point advisor, the reader might be prepared to visit the referenced fabric for extra info and functional examples.

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Extra info for Debian 7: System Administration Best Practices

Sample text

Table 1-2. The /etc/default/useradd File Option Description SHELL The full path to the default shell HOME The full path to the user’s home directory SKEL The directory to use to provide the default contents of a user’s new home directory GROUP The default GID INACTIVE Maximum number of days after password expiry that a password can be changed EXPIRE Default expiration date of user accounts Additionally, you can change most of the options running the useradd command with the -D option. Listing 1-22 shows you how to change the default shell for your new users, and Table 1-3 shows the additional options available for use with the -D option.

D/* Working with Debian init Scripts Debian stores its init scripts in a slightly different location than Red Hat does. d. Debian also uses different commands for managing init scripts. rc-d command is the Debian equivalent of the chkconfig command and works in a similar manner. d. d has nothing to use. d. 11 12 CHAPTER 1 ■ HARDENING THE BASICS Listing 1-7. d network defaults The defaults option is useful for adding a typical init script. The defaults tells Debian to start the service at run levels 2, 3, 4, and 5 and to stop the service at run levels 0, 1, and 6 with a default sequence number of 20.

Listing 1-28 shows the contents of the default system-auth file. 6. A word or phrase that reads the same backward as forward CHAPTER 1 ■ HARDENING THE BASICS Listing 1-28. 0 # This file is autogenerated. # User changes will be destroyed the next time authconfig is run. so nullok use_authtok md5 shadow You should change these lines to match the requirements of your password policy. ■Tip The message in the second two comment lines in Listing 1-28 indicates that this file is autogenerated by running the authconfig tool and your changes will be lost.

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