Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

1

DevOps Tool – What is Docker ?

Docker is the world’s leading software container platform. Developers use Docker to eliminate “works on my machine” problems when collaborating on code with co-workers. Operators use Docker to run and manage apps side-by-side in isolated containers to get better compute density. Enterprises use Docker to build...

0

‘od’: Write files in octal or other formats

‘od’ writes an unambiguous representation of each FILE (‘-‘ means standard input), or standard input if none are given.  Synopses:      od [OPTION]… [FILE]…      od [-abcdfilosx]… [FILE] [[+]OFFSET[.][b]]      od [OPTION]… –traditional [FILE] [[+]OFFSET[.][b] [[+]LABEL[.][b]]] Each line of output consists of the offset in the...

2

Part 1 – Mastering GREP – Introduction and Invoking

Introduction to Grep `grep’ searches input files for lines containing a match to a given pattern list. When it finds a match in a line, it copies the line to standard output (by default), or produces whatever other sort of output you have requested with options....

4

Solaris IPMP – Diagnosis and Troubleshooting

Symptoms: *  mpathd error messages in /var/adm/messages: No test address configured on interface <interface_name> disabling probe-based failure detection on it Test address address is not unique; disabling probe based failure detection on <interface_name> The link has gone down on <interface_name> Successfully failed over from  NIC  <interface_name1>...

4

Linux Admin Reference – Device Mapper Multipath ( DM-Multipath) Configuration – Red Hat Enterprise Linux 6

In Enterprise Linux Environment, External storage often permits devices to be accessed by multiple physical paths. This improves redundancy and availability. SAN environment Red Hat Enterprise Linux provides the device-mapper-multipath component to manage multipath capable storage and to present multipath devices to applications running on the...

Follow

Get every new post delivered to your Inbox

Join other followers

Page 2 of 2989