How To scp, ssh and rsync without prompting for password using OpenSSH

Verify that local-host and remote-host is running openSSH ssh -V OpenSSH_4.3p2, OpenSSL 0.9.8b 04 May 2006 Lets say you want to copy between two hosts host_src and…

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Linux User Management

ac Print statistics about users’ connect time. accton Turn on accounting of processes. To turn it on type “accton /var/log/pacct”. adduser Ex: adduser mark – Effect: Adds…

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Basic RPM Tutorials

Basic RPM Tutorials Introduction: RPM is the RPM Package Manager. It is an open packaging system available for anyone to use. It allows users to take source code for new…

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Good Links about Rsync

scmjobs created the topic: Good Links about Rsync samba.anu.edu.au/rsync/nt.html troy.jdmz.net/rsync/index.html samba.anu.edu.au/ftp/rsync/rsyncd.conf.html samba.anu.edu.au/rsync/features.html samba.anu.edu.au/rsync/examples.html en.wikipedia.org/wiki/Rsync Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have…

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Converting Red Hat Enterprise Linux booting from CLI to GUI

rajeshkumar created the topic: Converting Red Hat Enterprise Linux booting from CLI to GUI I just found very good links where default Command mode can be converted…

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Ignore existing files or update only newer files with rsync

rajeshkumar created the topic: Ignore existing files or update only newer files with rsync Ignore existing files or update only newer files with rsynca Copying from local…

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Mount: cannot mount block device //172.19.165.205/d read-only

rajeshkumar created the topic: mount: cannot mount block device //172.19.165.205/d read-only Issues [code language=”css”] root@rkumar11-usa:~/data/share# sudo mount -t cifs //172.19.165.205/d /home/rkumar11/data/share –verbose -o user=rkumar11 mount: block device…

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How to add new package to apt-get

rajeshkumar created the topic: How to add new package to apt-get wget -q -O – pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add – sudo sh -c ‘echo deb pkg.jenkins-ci.org/debian…

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Error: *** ln doesn’t support –relative ***

rajeshkumar created the topic: configure: error: *** ln doesn’t support –relative *** [code language=”css”] Error while doing ./configure during systemd-217 istall in RHEL 6.5 configure: error: ***…

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Disable IPv6 and Enable IPv4 in Red Hat Linux

rajeshkumar created the topic: Disable IPv6 and Enable IPv4 in Red Hat Linux Disable IPv6 and Enable IPv4 in Red Hat Linux check “disable_ipv6″ file to check…

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Answer some of Linux admin questions…

scmuser created the topic: Answer some of Linux admin questions… 1. How to send an email | check email | reply email attachment using command line?? 2….

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How to Limit System Resources Using cgroups on CentOS 6

rajeshkumar created the topic: How to Limit System Resources Using cgroups on CentOS 6 How to Limit System Resources Using cgroups on CentOS 6? Answer – Control…

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Automatic stop and restart the Cloud server

pasupuleti2 created the topic: Automatic stop and restart the Cloud server How to scheduling an automatic stop and restart the Cloud server every Saturday. We are using…

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How to Configure Web Proxy on CentOS | Tutorials | scmGalaxy

If your internet connection is behind a web proxy, you need to configure the following on your CentOS server: System-wide proxy settings – add the following lines…

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How to Set or Configure Proxy in Linux and Windows System? – scmGalaxy

Setting the proxy configuration in Linux and Windows If you use a proxy server or firewall, you may need to set the http_proxy environment variable in order…

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Linux Tutorials: pmap commands examples

You can find the memory used by a program (process) by looking into /proc directory or using standard command such as ps or top. However, you must…

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Linux Tutorials: iostat commands examples

iostat command is a command that used for monitoring system input/output device loading by observing the time the devices are active in relation to their average transfer…

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Linux Tutorials: xargs commands examples

Under Development The xargs command is extremely useful when we combine it with other commands.This tutorials explains the usage of xargs command using few simple examples. 1….

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Linux Tutorials: mount & unmount commands examples

Once you create a partition, you should use mount command to mount the partition into a mount point (a directory), to start using the filesystem. You need…

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gsh – Run linux commands on many other linux server at once

gsh – Run linux commands on many other linux server at once Group Shell (also called gsh) is a remote shell multiplexor. It lets you control many…

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Main Responsibilities of the Linux System Administrator | What Linux System Administrators do ?

Main Responsibilities of the Linux System Administrator is as follows: Maintaining User Accounts Security Managing the disk space and Backup Provisiom the new Linux Server based on…

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Common unix commands and utilities | unix commands and utilities Guide

To find a program not on this list (and there are hundreds), try the man program with the -k option followed by a keyword, for example, man…

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Sed command Web References & Cheatsheet

UNIX SED Introduction · Sed is a “non-interactive” stream-oriented editor. Since its an “non-interactive” it can be used to automate editing. · This allows you to edit…

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How to install subversion on Linux?

To install svn in linux and make it fully working , I found it really tough and it has taken my lots of time. I am thankful…

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Unix Command: Grep – Quick Reference – Pattern – Examples – Options

Grep scans its input for a pattern, and can display the selected pattern, the line numbers of the filenames where the pattern occurs, The command uses the…

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SET UNIX HOME DIR PROPERTY using ANT

Set properties HOMEDIR in build.xml which will be set through user logged in the current system.. Example: <project name=”test” default=”myhome”>     <property environment=”env”/>     <target name=”myhome”>        …

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Basic of Unix – Presentation | Unix Learning Reference – Guide

Basic of Unix Presentation Basic Unix from Rajesh Kumar   Basic Unix View more presentations from rajeshatbuzz. (tags: basic of) Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about…

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