cloud-topics
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Blog about cloud and system administration
cloud-topics
5y ago
virtual host configuration in Linux: 1. Buy a domain from godaddy etc. 2. Must have server to host this domain with static IP. 3. After buying this domain update dns records/name server in go daddy(name server of your service provider where you buy a server) 4.Now create zone for your domain to update records A etc in name server of your service provider where you buy a server and this name server is managed by sp so you need to ask them to update. Note: There can be two different name servers for zones (DNS-forward, RDNS-reverse) 5.Now as usual install package httpd,apache,ngnix,tomcat (diff ..read more
cloud-topics
5y ago
Every server running in your IT environment needs an account, and every account requires privileges. Many organizations take inadequate steps in managing privileged accounts – leaving them vulnerable to attack and opening the door to potentially devastating data breaches. Today, most breaches start with people installing something they shouldn’t, connecting to somewhere they shouldn’t, or accessing data they shouldn’t. What does all of this have in common? Privilege misuse and abuse. When users need elevated privileges on a Unix or Linux server, security admins often turn to free tools like ..read more
cloud-topics
5y ago
variables in shell scripting:Shell variables are created once they are assigned a value. A variable can contain a number, a character or a string of characters. Variable name is case sensitive and can consist of a combination of letters and the underscore "_". Value assignment is done using the "=" sign. Note that no space permitted on either side of = sign when initializing variables. EX:PRICE_PER_APPLE=5 MyFirstLetters=ABC greeting='Hello world!' 1. A backslash "\" is used to escape special character meaning EX:PRICE_PER_APPLE=5 echo "The price of an Apple today is: \$HK $PRICE_P ..read more