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FELIPE FERREIRA

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Category: Linux

By : Felipe Ferreira30/10/201931/10/2019
Linux Leave a Comment on check_vmware_esx slow

check_vmware_esx slow

When monitoring ESX hosts using the check_vmware_esx plugin we started noticing a lot of “script time out” errors and the checks going to “Unkown” state even know the default timeout …

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Tags: centreon check_vmware_esx Perl plugins slow
By : Felipe Ferreira15/10/201915/10/2019
Linux Leave a Comment on Linux End of Life table

Linux End of Life table

Linux End Of Life Table

Debian 9 2022-06
Debian 8 2020-06
Debian 7 2016-04
Debian 6 2014-05
Debian 5 2012-02
Debian 4 2010-02

Ubuntu LTS 18 2023-04
Ubuntu LTS 16 …

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Tags: debian end of life eol Linux linux centos linux debian linux ubuntu support suse table Update
By : Felipe Ferreira22/08/201926/08/2019
containers Leave a Comment on Linux Host Container Security

Linux Host Container Security

Using the CIS Center for Internet Security script to verify is your linux host for your containers are configured correctly. This nice script checks for dozens of common best-practices around …

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Tags: cis containers docker Linux security ubuntu
By : Felipe Ferreira21/08/201927/08/2019
HowTo, Linux, Security 1 Comment on Configure Kerberos for SSH

Configure Kerberos for SSH

NOTE: This setup was tested only in Ubuntu 18.04 x64

INTRO

The objective is to perform a SSH login and authenticate to a local Microsoft AD. There are many ways …

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Tags: ad HowTo kerberos setup ssh ubuntu
By : Felipe Ferreira11/06/201926/08/2019
HowTo, Linux, Nagios Leave a Comment on Centreon Setup Centos 7

Centreon Setup Centos 7

Let’s go thru the Centreon Monitoring System installation one step at a time.
We will be using Centos7 x64 it is the official supported version.
Pre-Requisite
Disable selinux
Install Centreon …

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By : Felipe Ferreira05/06/201926/08/2019
Centos, HowTo, Linux, Security Leave a Comment on How to setup chroot and bindfs

How to setup chroot and bindfs

In order to allow a user to have restrict access to a specific directory we should use the chroot and bindfs setup:
(tested on Centos 7 x64)

bindfs
Mount a …

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By : Felipe Ferreira12/04/201822/08/2019
HowTo, Linux Leave a Comment on How to Install Graylog on Centos 7

How to Install Graylog on Centos 7

yum install epel-release -y
vi /etc/yum.conf
yum clean all
yum install epel-release -y
yum install pwgen -y
yum install mongodb-org -y
systemctl daemon-reload
systemctl enable mongod.service
systemctl start mongod.service
yum 
…
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