FreeNAS
FreeNAS ISCSI ESXi Configuration In this article i will show FreeNAS ISCSI ESXi Configuration. And how to connect FreeNAS to ISCSi target. 1. Turn on iSCSI services from: Services -> iSCSI Turn on iSCSI services and check Start on boot checkbox. 2. Add portal 3. Add Initiator 4. Add
CentOS
In this article i will show how to know monitor who is pinging my server with tcpdump Linux utility. tcpdump packet analyzer. In our case it will help us figure out the IP address where the ICMP requests come from. If you dont have installed tcpdump on your server please
VMware
List of VMware Default Usernames and Passwords Horizon Application Manager http://IPorDNS/SAAS/login/0 http://IPorDNS Horizon Connector https://IPorDNS:8443/ vCenter Appliance Configuration https://IPorDNS_of_Server:5480 username: root password: vmware vCenter Application Discovery Manager http://IPorDNS username: root password: 123456 default ADM management console password is
CentOS
Install locate on CentOS and Debian Use the following commands : Debian : apt-get install locate CentOS : yum install mlocate
Linux
REGEX Tutorial Regular Expressions
Windows
How to shutdown or restart Windows 8 from an Remote Desktop Connection (RDP) Navigate to the Desktop and press Alt+F4 This will present the Shut Down Windows dialog allowing you to Switch user, Sign out, Sleep, Shut down, or Restart the computer:
CentOS
Configure SNMP on Linux Ubuntu and Redhat Configure SNMP on Debian or Ubuntu To install SNMP agent (snmpd) on a Debian-based system, run the following command: apt-get install snmpd Then edit its configuration of /etc/snmp/snmpd.conf file. # Listen for connections from the local system only agentAddress udp:161
Linux
Cacti Host Status Unknown If the status of your device remains ‘Unknown’, ensure that you have added graphs to that device. If there are no graphs, Cacti will not poll the device, and the status will remain ‘Unknown’.
Linux
Remove CD-ROM from apt-get repositories in Debian 8 You need remove or comment the reference to the CD/DVD from the /etc/apt/sources.list example: # deb cdrom:[Debian GNU/Linux 8.2.0 _Jessie_ – Official amd64 DVD Binary-1 20150906-11:13]/ jessie contrib main Login to your system sudo nano
CentOS
How do I check a reverse PTR record From linux type: dig -x xx.yy.zz.aa xx.yy.zz.aa = The IP address you’re trying to resolve You’ll get an answer with your authority of aa.zz.yy.xx.in-addr.arpa and server resolving to this address.
CentOS
7 Ping Very Useful Examples Ping command is used to find out whether the peer host/gateway is reachable. 1. Increase or Decrease the Time Interval Between Packets You can increase or decrease this using option -i as shown below. Decrease Ping Time Interval – wait 0.2 seconds before sending
CentOS
Nslookup Command Examples To Check DNS Records Find out the domain IP address / A record [root@web ~]# nslookup arstech.net Server: 213.136.95.11 Address: 213.136.95.11#53 Non-authoritative answer: Name: arstech.net Address: 213.136.71.197 Find out the domain MX record [root@web ~]# nslookup