How to install glances

How to install glances

Introduction:
In short Glances is a command line monitoring tools which present real time report regarding the following uses at a glance.
1. CPU uses,
2. server load,
3. memeory uses,
4. swap memory uses,
5. network interface uses,
6. HDD uses, and
7. Processes uses

On RedHat   
Download the packages:
[root@gw ~]# wget ftp://ftp.univie.ac.at/systems/linux/fedora/epel/6/i386/glances-1.7.3-1.el6.noarch.rpm
[root@gw ~]# wget ftp://ftp.univie.ac.at/systems/linux/fedora/epel/6/x86_64/python-psutil-0.6.1-1.el6.x86_64.rpm

Simply install them:
[root@gw ~]# rpm -ivh python-psutil-0.6.1-1.el6.x86_64.rpm
[root@gw ~]# rpm -ivh glances-1.7.3-1.el6.noarch.rpm
[root@gw ~]# glances

On Debian/Ubuntu/Linux Mint
root@gw~# sudo apt-add-repository ppa:arnaud-hartmann/glances-stable
root@gw~# sudo apt-get update
root@gw~# sudo apt-get install glances

Usage of Glances
root@gw~# glances

 Glances Color Codes
Meaning of Glances color code:
    -> GREEN: OK (everything is fine)
    -> BLUE: CAREFUL (need attention)
    -> VIOLET: WARNING (alert)
    -> RED: CRITICAL (critical)

Reference
http://www.tecmint.com/glances-an-advanced-real-time-system-monitoring-tool-for-linux/

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How to configure yum repository (with groupinstall) in redhat 6

How to configure yum repository (with groupinstall) in redhat 6

Create a local repository repository:
First insert the redhat 6.X dvd in the dvdrom and mount it.
[root@gw ~]# mount /dev/dvdrw /mnt/

Copy the Packages folder to a location
[root@gw ~]# cp -Rfv /mnt/Packages /storage/
[root@gw ~]# cd /storage/Packages

Lets install dependencies for createrepo:
[root@gw Packages]# rpm -ivh deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
[root@gw Packages]# rpm -ivh python-deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
[root@gw Packages]# rpm -ivh createrepo-0.9.8-4.el6.noarch.rpm
[root@gw Packages]# cd ..
[root@gw storage]# createrepo Packages
[root@gw storage]# cd
[root@gw ~]# vim /etc/yum.repos.d/local.repo
[local_repo]
name=RedHat6
baseurl=file:///storage/Packages/
enabled=1
gpgcheck=0

[root@gw ~]# yum clean all

Testing yum install:
[root@gw ~]# yum list
[root@gw ~]# yum install vim

Unmount the dvd drive
[root@gw ~]# umount /mnt/


Configure yum group install:
Insert the redhat 6.X dvd in the dvdrom and mount it.
[root@gw ~]# mount /dev/dvdrw /mnt/
[root@gw ~]# mkdir -P /storage/Packages_grp
[root@gw ~]# cp -pfr /mnt/Server/* /storage/Packages_grp/
[root@gw ~]# cd /storage/Packages_grp/
[root@gw Packages_grp]# createrepo -g repodata/1a7fc54d30d0d44222742c63069ab0126afef9f160931cc15e564dbe6414f268-comps-rhel6-Server.xml .

Please note that total file name of "-comps-rhel6-Server.xml" may be change to your distribution.
[root@gw Packages_grp]# cd
[root@gw ~]# vim /etc/yum.repos.d/group.repo
[group_repo]
name=RedHat6
baseurl=file:///storage/Packages_grp/
enabled=1
gpgcheck=0

[root@gw yum.repos.d]# yum clean all && yum makecache

Unmount the dvd drive
[root@gw ~]# umount /mnt/

Testing groupinstall:
[root@gw ~]# yum grouplist
[root@gw ~]# yum groupinstall "Web Server"

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