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How To Check The Status Of All The Services In Linux Using A Shell Script
How to write bash shell to check the state of all services which are running/stopped in Linux? Ans : #Created on:02-02-2011 #Last modified:02-02-2011 #Purpose:To Check the status of services...
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How To Add Subdomain(Subzone) DNS Record In Linux?
Recently we got a requirement to configure a Sub-domain(sub-zone) record in DNS server. Its little bit advanced concept but very much easy to configure. The most known records are as follows. A record...
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The scheme was not recognised as a valid LDAP URL scheme.
When you are configuring Apache-Aactive directory integration you may find this error. This is bit strange error, this type of errors will come when the LDAP URL is not mention properly. There may be a...
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How to mount FTP share locally in Linux using ftpfs
Access FTP data as a local Drive using FTP file system Q. I want to transfer one latest file from my ftp server share and I want to automate this task through shell script to download latest file from...
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How to check a service is running or not in Linux?
This is a small how to check if a service is running in the server or not. Some times we need to check the status of a service if its running or not to cross verify some thing on server.. Suppose you...
View ArticleHow to install sendmail
This is a small post on how to install sendmail in Linux Sendmail is a mail server package which most popular mail server(but not a secure and easy to configure server). Installing sendmail package....
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How to change Apache port in Linux/Unix
Q. Change the port number of Apache web server in Linux and Unix? When ever a network service is started it starts listening on particular port. For example DNS server listen on 53 UDP and TCP port and...
View ArticleUp coming posts on DNS(Domain Name System/Server) in Linux
We are very much happy to announce that we started posting on DNS client and Server stuff on our blog for this month(Jan 2011). We already have some minor existing stuff related to DNS and...
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How to stop and remove/uninstall SSH server from Linux
How to uninstall SSH server in Linux Redhat/Ubuntu? Some times you in order to make your system more secure you want to stop unwanted service and remove them permanently so that your machine is not...
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Domain Name Server(DNS) Evolution
History of DNS server How DNS server evolved? To understand why we require DNS server we have to go back to initial stages of networking the computers around late 1960’s and early 1970’s where it all...
View ArticleTricky question: What protocol (TCP or UDP) DNS server uses when a client...
By default DNS server will serve all client queries with UDP protocol on 53 port. One reason for this selection of protocol is to get faster answers from DNS Server to the client. The UDP protocol do...
View ArticleInstall and Configure Munin monitoring server in Linux
Munin is an excellent system monitoring tool similar to RRD tool which will give you ample information about system performance on multiple fronts like a disk, network, process, system, and users....
View ArticleSSH – How to access a remote Linux server
We feel quite handicapped not being able to run commands on our remote Linux server, this is where SSH comes in handy. Applications like the c-panel, give you control but it’s not quite enough to do...
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Install and configure FTP server in Redhat/Centos Linux?
FTP stands for File Transfer Protocol. It was written by Abhay Bhushan and published in 1971. FTP is supported by all the operating systems and browsers. It is a client-server based protocol. How FTP...
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Varnish cache: Installation and configuration on Centos 7
What is Varnish ? Varnish is an HTTP cache server. It considered as an HTTP accelerator or sometimes a reversy-proxy between application servers and clients. It is designed for content-heavy dynamic...
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Memcached : Setup and tests on Debian/Ubuntu (Part – I)
Memcached is a distributed memory caching system. It caches data and objects in RAM in order to reduce the frequency of access to database or to an external API. Consequently, it helps to speed up...
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Memcached (Part – II) : How to test, troubleshoot and view stats
In part I of this blog we saw how to install and test Memcached. In this part, we will see how to use this amazing software in command line. memcached-tool We can use the default script...
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Redis : installation, configuration and replication in Linux
What is Redis? According to wikipedia, REDIS (REmote DIctionary Server) is a software project that implements data structure servers. It is open-source, networked, in-memory, and stores keys with...
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How to install and mount XtreemFS in Linux
What is XtreemFS? XtreemFS is a fault-tolerant distributed file system adapted for different storage needs. It is characterized by it’s: Versatility : XtreemFS is an open-source technology that do not...
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Domain Name Server(DNS) Evolution
History of DNS server How DNS server evolved? To understand why we require DNS server we have to go back to initial stages of networking the computers around late 1960’s and early 1970’s where it all...
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