By Syed Ali
Practical Linux Infrastructure teaches you ways to take advantage of the simplest open resource instruments to construct a brand new Linux infrastructure, or modify an present infrastructure, to make sure it stands as much as enterprise-level wishes. every one bankruptcy covers a key region of implementation, with transparent examples and step by step instructions.
Using this e-book, you’ll comprehend why scale issues, and what issues you must make. You’ll see the way to swap to utilizing Google Cloud Platform in your hosted resolution, how you can use KVM in your virtualization, find out how to use Git, Postfix, and MySQL in your model regulate, e mail, and database, and the way to take advantage of Puppet in your configuration administration. For enterprise-level fault tolerance you’ll use Apache, and for load balancing and excessive availability, you are going to use HAProxy and Keepalived. For development research you’ll how to use Cacti, and for notification you’ll use Nagios. You’ll additionally make the most of BIND to enforce DNS, how you can use DHCP (Dynamic Host Configuration Protocol), and the way to setup distant entry on your infrastructure utilizing VPN and Iptables. you are going to end by way of a few of the instruments it is important to troubleshoot concerns which could happen together with your hosted infrastructure. This comprises find out how to use CPU, community, disk and reminiscence administration instruments equivalent to best, netstat, iostat and vmstat.
Author Syed Ali is a senior website reliability engineering supervisor, who has huge event with virtualization and Linux cloud established infrastructure. His earlier event as an entrepreneur in infrastructure computing bargains him deep perception into how a company can leverage the facility of Linux to their virtue. He brings his professional wisdom to this booklet to educate others the best way to excellent their Linux environments. turn into a Linux infrastructure professional with Practical Linux Infrastructure today.
What you’ll learn
- tips on how to set up firm Linux infrastructure
• Create networks, firewalls, load balancers
• set up Postfix, Cacti, Nagios, Apache, MySQL
• utilizing Google Cloud Platform (GCP) companies
• hassle shootings instruments comparable to best, tcpdump, iostat, vmstat
• utilizing iptables to guard your host
• set up a GIT server for resource code configuration management
• Use rlog for log collections
Who this ebook is for
This ebook is perfect for Linux approach directors who're at present handling small to medium dimension Linux infrastructure environments and want to the right way to deal with enterprise-level infrastructures. you may be conversant in uncomplicated process management, or website reliability engineering paintings, yet are looking to the best way to construct major, pro-level Linux infrastructure.
Table of Contents
- Chapter One: coping with huge Scale Infrastructure
2. bankruptcy : Hosted Cloud recommendations utilizing Google Cloud Platform
3. bankruptcy 3: Virtualization with KVM
4. bankruptcy 4: MySQL, Git, Postfix
5. bankruptcy 5: Configuration administration with Puppet
6. bankruptcy Six: Apache for Enterprise-level Fault Tolerance
7. bankruptcy Seven: tracking with Nagios & pattern research with Cacti
8. bankruptcy 8: DNS utilizing Bind and DHCP
9. bankruptcy 9: Log assortment, OpenVPN, Iptables
10. bankruptcy Ten: Troubleshooting Tools
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Additional info for Practical Linux Infrastructure
NAME ZONE MACHINE_TYPE INTERNAL_IP EXTERNAL_IP STATUS web-server us-central1-b n1-standard-1 10. 240. 111. sixty five 108. fifty nine. eighty two. fifty nine operating ########## #SSH to the example we created previous #install httpd $ gcloud compute ssh web-server --zone us-central1-b [web-server ∼]$ sudo yum set up httpd -y Loaded plugins: downloadonly, fastestmirror, protection picking out quickest mirrors * base: reflect. us. oneandone. web * extras: replicate. wiredtree. com * updates: centos. corenetworks. web ..... [SNIP]..... put in: httpd. x86_64 0:2. 2. 15-31. el6. centos ..... [SNIP]..... whole! [web-server ∼]$ go out logout Connection to 108. fifty nine. eighty two. fifty nine closed. ########## #delete the example whereas maintaining the boot disk, simply because we do not want the example anymore #you may also maintain the example for destiny ameliorations if you'd like $ gcloud compute cases delete web-server --keep-disks boot --zone us-central1-b the next cases could be deleted. hooked up disks configured to be auto-deleted might be deleted until they're hooked up to the other circumstances. Deleting a disk is irreversible and any facts at the disk could be misplaced. - [web-server] in [us-central1-b] do you need to proceed (Y/n)? y up to date [ https://www. googleapis. com/compute/v1/projects/webexample/zones/us-central1-b/instances/web-server ]. Deleted [ https://www. googleapis. com/compute/v1/projects/webexample/zones/us-central1-b/instances/web-server ]. ########## #now create a brand new snapshot referred to as web-server-image utilizing the boot disk of the former example on which we put in httpd #the --source-disk offers the identify of web-server, simply because that used to be the identify of the disk from the sooner example $ gcloud compute photos create web-server-image --source-disk web-server --source-disk-zone us-central1-b Created [ https://www. googleapis. com/compute/v1/projects/webexample/global/images/web-server-image ]. NAME PROJECT DEPRECATED prestige web-server-image webexample READY ########## #list the pictures and ensure you spot the web-server-image $ gcloud compute photos record NAME PROJECT DEPRECATED prestige web-server-image webexample READY centos-6-v20140718 centos-cloud READY ..... [SNIP]..... rhel-6-v20140718 rhel-cloud READY sles-11-sp3-v20140712 suse-cloud READY ########## #attempt to create a brand new example known as web-server2 utilizing the web-server-image we created previous $ gcloud compute cases create web-server2 --image web-server-image --zone us-central1-b Created [ https://www. googleapis. com/compute/v1/projects/webexample/zones/us-central1-b/instances/web-server2 ]. NAME ZONE MACHINE_TYPE INTERNAL_IP EXTERNAL_IP STATUS web-server2 us-central1-b n1-standard-1 10. 240. eighty four. 183 108. fifty nine. eighty two. 59 RUNNING ########## #once the example is up, SSH to it and make sure that httpd is current on it $ gcloud compute ssh web-server2 --zone us-central1-b [web-server2 ∼]$ hostname web-server2 [web-server2 ∼]$ rpm -qa | grep -i httpd httpd-tools-2.