Nagios Core Server Installation Centos 8 Class #3 | NCP Course | Tech Arkit
sed -i 's/SELINUX=enforcing/SELINUX=disabled' /etc/selinux/config
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
cat /etc/selinux/config
setenforce 0
firewall-cmd --permanent --add-service=http
firewall-cmd --permanent --add-service=https
firewall-cmd --reload
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
yum install wget php gcc glibc-common gd gd-devel make net-snmp perl perl-devel openssl
wget https://assets.nagios.com/downloads/nagioscore/releases/nagios-4.4.3.tar.gz
tar -xvf nagios-4.4.3.tar.gz
groupadd nagcmd
useradd -g nagcmd nagios
usermod -aG nagcmd apache
groupadd nagios
usermod -aG nagios nagios
cd nagios-4.4.3
./configure --with-command-group=nagcmd
make all
make install
make install
make install-init
make install-commandmode
make install-config
make install-exfoliation
make install-webconf
htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin
systemctl enable httpd
systemctl start httpd
systemctl enable nagios
systemctl start nagios
/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
cd
cd /tmp/
wget https://nagios-plugins.org/download/nagios-plugins-2.2.1.tar.gz
tar -xvf nagios-plugins-2.2.1.tar.gz
cd nagios-plugins-2.2.1
./configure --with-nagios-user=nagios --with-nagios-group=nagcmd
make
make install
cd /usr/local/nagios/libexec/
http://NagiosServerIP/nagios
nagiosadmin
PasswordHere
Nagios Tutorial #2 | Nagios Terminology | Tech Arkit
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Nagios Tutorial #1 | Nagios Certified Professional Course Overview
Introduction to Nagios
Nagios installation and configuration
User Management
Updating Nagios Core
Nagios core console go through
Setting up monitoring (ping, tcp, smtp, imap, simap, ftp, http and mysql)
Nagios installation and configuration
User Management
Updating Nagios Core
Nagios core console go through
Setting up monitoring (ping, tcp, smtp, imap, simap, ftp, http and mysql)
Zabbix Windows Agent Installation and configuraion
•Zabbix
agent is an peace of software which will gather statistical information from
host.
Agent is deployed on a monitoring targetagent is an peace of software which will gather statistical information from
host.
to actively monitor local resources and applications
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zabbix monitoring tool Installation CentOS 8 | Open-source Enterprise | ...
Monitoring Networks, networking devices
Servers and services monitoring
Cloud infrastructure monitoring
Applications
Web services, web monitoring
Storage devices
Virtual machines, VMWare & Hyper-V
Java based application monitoring
Databases monitoring
It provides KPI / SLA
Indicates security measures
Database monitoring MySQL, SQLite, PostgreSQL and IBM DB2
System level monitoring like, Memory, CPU, Disk, Process
Monitor network devices, hardware, virtual machines, VMware hypervisor and VMware vCenter
Supports multiple authentication methods, LDAP and Active Directory
Notify through Email
Auto-discovery and automated metric collections
Distributed monitoring
:: Server Profile ::
Required packages: PHP, HTTPD, PHP-FPM, MARIADB, LIBSSH2 and Zabbix Repo.
Port Numbers required to open: 10050 & 10051
Service Names: zabbix-server, mariadb, php-fpm and httpd
SELinux status: Disabled
Servers and services monitoring
Cloud infrastructure monitoring
Applications
Web services, web monitoring
Storage devices
Virtual machines, VMWare & Hyper-V
Java based application monitoring
Databases monitoring
It provides KPI / SLA
Indicates security measures
Database monitoring MySQL, SQLite, PostgreSQL and IBM DB2
System level monitoring like, Memory, CPU, Disk, Process
Monitor network devices, hardware, virtual machines, VMware hypervisor and VMware vCenter
Supports multiple authentication methods, LDAP and Active Directory
Notify through Email
Auto-discovery and automated metric collections
Distributed monitoring
:: Server Profile ::
Required packages: PHP, HTTPD, PHP-FPM, MARIADB, LIBSSH2 and Zabbix Repo.
Port Numbers required to open: 10050 & 10051
Service Names: zabbix-server, mariadb, php-fpm and httpd
SELinux status: Disabled
How to recover grub.conf in Linux | RHEL 8, 7 | Tech Arkit | grub console
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Ansible Course
Automation with Ansible Course
https://youtu.be/-b1ByalW4X8
Ansible Lab Setup
https://youtu.be/p8xkv1m-boE
Ansible Inventory configuration
https://youtu.be/G7_orKIWAeA
Ansible Ad-Hoc Commands with examples
https://youtu.be/Kr-62ON416c
Writing your first Ansible playbook guide
https://youtu.be/2nRfP69sGsk
How to variables in Ansible playbook
https://youtu.be/nOOe-_rNhP8
Conditionals and Loops of Ansible playbooks
https://youtu.be/JYPn5l3ChX0
Ansible playbook challenge
https://youtu.be/SO-3nqAf3sY
Deploy LAMP Stack Using Ansible Playbook
https://youtu.be/cyylA0Yfn2o
Tags Ansible
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Ansible Roles
https://youtu.be/MGklkuq0-Gs
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15 Real time Linux Interview Questions and Answers | Tech Arkit |
Which of the following directory will hold the network configuration files?
/etc
/etc/sysconfig/network.scripts/
/var/sysconfig
/etc/sysconfig/
Ravi as system administrator wants to enable DHCP server in on machine. The server should allow the clietns to use the IP upto 4 hours which of the follow parameters will help him?
maximum lease time 1200
maximum lease time 7200
maximum lease time 8400
maximum lease time 14400
which of the following command can be used to check whether DNS is configured correctly?
ping
nslookup
ipconfig
ip addr
which of the following daemons are needed for SAMBA to handle its work?
smb
smb & nmb
nmb
smb & ssh
what of the following configuration should be done to enable auto mounting in client side?
NFS
Autofs
Samba
nmb
which of the following command can be used to display the logical volumes present in the system?
pvdisplay
lvm
vgdisplay
lvdisplay
which of the following parameters should be set in the dhcp configuration file so that a client will get a fixed ip?
reserved-ip
fixed-address
reserved-address
fixed-ip
which of the following is the configuration file related to DNS?
/etc/named.conf
/var/named.conf
/var/named
/var/www/html/
which of the following entry should be made in the network configuration file of client to contact a dns server?
IPADDR=
DOMAIN=
DNS1=
IPADDRDNS=
Which of the following service can be used for file sharing?
nfs
DHCP
DNS
Virtual Web Hosting
Which of the following is FALSE regarding logical volume?
It is necessary to mount the logical volume to access it
It is possible to make logical volume by specifying either number of extents or size
More than one logical volume can be made from a single volume group
It is not necessary to mount the logical volume to access it
Which of the following is called as document root with respect http server?
/etc/http/conf.d
/etc/httpd/conf.d
/var/www/html
/etc/www/html
Vinesh Enabled samba share in server2.techarkit.com (IP 192.168.2.5) He wants to check that all shares from remote client. Which of the following command will help to check?
smbclient -L 192.168.2.5
smbclient -U vinesh
smbclient -L localhost
smbclient -l server2
Ramana as system administrator manages the DHCP server. He wants to check the client details which is getting dynamic IP address from the DHCP server. Which of the following file can be used for this purpose?
/var/lib/dhcpd/dhcpd.leases
/etc/dhcp.conf
/usr/share/doc/dhcp-version/dhcpd.conf.example
/usr/lib/dhcpd/dhcpd.example
Which of the following file system is used for SAMBA file sharing?
NFS
EXT3
XFS
CIFS
How to Determine File System Type in Linux | 7 Commands | Tech Arkit
Ansible Automation Playlist:
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Follow Us on Social Media
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Ansible Course
Automation with Ansible Course
https://youtu.be/-b1ByalW4X8
Ansible Lab Setup
https://youtu.be/p8xkv1m-boE
Ansible Inventory configuration
https://youtu.be/G7_orKIWAeA
Ansible Ad-Hoc Commands with examples
https://youtu.be/Kr-62ON416c
Writing your first Ansible playbook guide
https://youtu.be/2nRfP69sGsk
How to variables in Ansible playbook
https://youtu.be/nOOe-_rNhP8
Conditionals and Loops of Ansible playbooks
https://youtu.be/JYPn5l3ChX0
Ansible playbook challenge
https://youtu.be/SO-3nqAf3sY
Deploy LAMP Stack Using Ansible Playbook
https://youtu.be/cyylA0Yfn2o
Tags Ansible
https://youtu.be/LPdRHd4ID7c
Ansible Roles
https://youtu.be/MGklkuq0-Gs
Ansible Vault
https://youtu.be/RbDlfDJhQlI
Ansible Galaxy: https://youtu.be/34ycoo2T1HI
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