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Ubuntu 16.04 No desktop only shows background wallpaper
After re install of Ubuntu 16.04 No desktop only shows background wallpaper Fix compiz problem : sudo rm -fr ~/.cache/compizconfig-1 sudo rm -fr ~/.compiz Then try this if your session not loading […]
Administration / DNS / Linux
Dig command examples
Dig command is a DNS lookup utility. Dig is a flexible tool for DNS name server lookup. It performs DNS lookups and displays the answers that are returned from the name server(s) that were […]
Install Ansible on Linux
Ansible is a radically simple IT automation system. It handles configuration-management, application deployment, cloud provisioning, ad-hoc task- execution, and multinode orchestration – including trivializing things like zero downtime rolling updates with load […]
Configuring puppet4 server agent and puppetdb on ubuntu16.04
Here we are installing and configuring puppet 4 server, agent and puppetdb, Step 1: Install puppet4 server and agent Follow this link to Install puppet4 server and agent do not start puppetserver .Once […]
Installing postgresql on ubuntu 16.04
Ubuntu’s default repositories contain postgresql packages, so we can install these easily using the apt packaging system. sudo apt-get update sudo apt-get install postgresql postgresql-contrib
opensource puppet4 installation on ubuntu16.04
We are going to install opensource puppet4 on ubuntu16.04. Before moving ahead, setup your “/etc/hosts” file for host resolution. puppet server should resolve as puppet on client and server. Installing puppet4 server: […]
Gitolite administration
Assumptions: – You are familiar with: – OS: at least one Unix-like OS – ssh: ssh, ssh keys, ssh authorized keys file – git: basic use of git, bare and non-bare remotes […]
How to upgrade postgre-SQL
In this post we will see how to to upgrade postgre-SQL from current version to latest need to follow below steps(I did the upgrade from 9.3 to 9.5beta2) Step1: Verify the current […]
Puppet Server and Client Installation and Configuration
Puppet is an automated administrative engine for your Linux, Unix, and Windows systems, performs administrative tasks (such as adding users, installing packages, and updating server configurations) based on a centralized specification. Before proceeding note that […]
Openssl commands
OpenSSL is a cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols and related cryptography standards required by them. The openssl program is a […]
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Configuring puppet4 server agent and puppetdb on ubuntu16.04
Here we are installing and configuring puppet 4 server, agent and puppetdb, Step 1: Install puppet4 server and agent Follow this link to Install puppet4 server and agent do not start puppetserver .Once […]
How to configure bonding on SuSE YaST Linux
Configure bonding on SuSE YaST Linux SuSE SLES 9’s networking configuration system does support bonding, however, at this writing, the YaST system configuration front end does not provide any means to work with bonding […]
Linux Bonding Options CentOS/RHEL 6
Options for the bonding driver are supplied as parameters to the bonding module at load time, or are specified via sysfs. Module options may be given as command line arguments to the insmod or […]
Configuring Linux Bonding via Sysfs
Channel Bonding may be configured via the sysfs interface. This interface allows dynamic configuration of all bonds in the system without unloading the module. It also allows for adding and removing bonds at runtime. Ifenslave […]
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Ubuntu 16.04 No desktop only shows background wallpaper
Administration / DNS / Linux
Dig command examples
Virtualization
OpenVz(Kernel Base Open source Virtulization)
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Install Ansible on Linux
Puppet
Configuring puppet4 server agent and puppetdb on ubuntu16.04
Database
Installing postgresql on ubuntu 16.04
Puppet
opensource puppet4 installation on ubuntu16.04