By Jeff Geerling
Covers Ansible 2.0!
Ansible is a straightforward, yet robust, server and configuration administration device (with a couple of different methods up its sleeve). This ebook is helping these conversant in the command line and easy shell scripting begin utilizing Ansible to provision and deal with wherever from one to hundreds of thousands of servers.
The publication starts with basics, like fitting Ansible, developing a easy stock dossier, and easy options, then courses you thru Ansible's many makes use of, together with ad-hoc instructions, uncomplicated and complicated playbooks, program deployments, multiple-provider server provisioning, or even Docker orchestration! every thing is defined with pertinent real-world examples, usually utilizing Vagrant-managed digital machines.
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Additional resources for Ansible for DevOps: Server and configuration management for humans
OW ADD ALL REMAINING DEVICES TO THIS ARRAY -AKE SURE TO use at least three devices as active devices. You don’t need any spare devices here. When you’re back in the main RAID menu, select Finish and press Enter to write the RAID configuration to your server’s hard drive. Creating LVM Logical Volumes on Top of a Software RAID Device You now have set up two software RAID devices. These devices can be used just as you WOULD USE A NORMAL HARD DISK AS A STORAGE DEVICE /N A HARD DISK YOU CAN SET UP TRADItional partitions, as well as LVM logical volumes.
Listing 2-2. ]``naooaokb_heajpo(]j`o]rapdaiejbeha$o%$]oejpdalnarekqo lnk_a`qna%%*Pdeoeobknpda_heajpo_kjja_pa`pk@N>Hoanran#oapdanjapjapskng ejpanb]_aapd-; Wu+JYj &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& KGHapÑo_kjpejqa(sasehhoappdaEL]``naookb_heajpo^ubenop^kkpcapoEL benopejopa]`kbbeta`kja &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& Sd]peopdaejepe]hjqi^an`kukqs]jppkqoaejpdah]opoapkb`ecepoejpdaEL $e*a*pdaejepe]hr]hqakb`ejpdaEL]``naoo]*^*_*`%bkn@N>H_heajpo_kjja_pa` pkpdeoapdanjaplknpapd-* W-Y Once THE $(#0 SERVER HAS BEEN FULLY CONFIGURED THE CONFIGURATION PROGRAM TELLS YOU WHAT THE $2", NETWORK SHOULD CURRENTLY LOOK LIKE SEE ,ISTING
#HECK THAT THIS IS what you expected, and if it is, proceed with the configuration.
Enter the command +ap_+ejep*`+iqhpel]pd` to start the multipath process, and make sure that it automatically restarts when you restart your server. The result of these two steps is that you’ll get a new storage device. Use b`eog)h or hoo_oe to find out what the name of this device is. This storage device refers to your SAN. When setting up partitions on the SAN, make sure to use this storage device, and not the +`ar+o`^ and +`ar+o`_ devices that your server also still gives you. info 27 28 C HAPTER 1 N PER FOR MING A N A DVA NC ED U B U NTU S E R V E R I N S T A LLA T I O N Summary In this chapter you have learned how to set up a server in an enterprise environment.
Ansible for DevOps: Server and configuration management for humans by Jeff Geerling