CentOS
SCP not available in CentOS
yum install openssh-clients
CentOS
yum install openssh-clients
Windows
How to Find Windows Installation Date You can find windows installation date with systeminfo command. Open the “Command Prompt”- press Windows Key + R, type cmd and press enter. In “Command Prompt” window type or paste following command: systeminfo | find /i “Original” for Windows 7 or Vista you should use: systeminfo
CentOS
Exim is a message transfer agent for Unix systems developed at the University of Cambridge. Remove all messages from the Exim queue: # exim -bp | exiqgrep -i | xargs exim -Mrm Most useful Exim commands list: exiwhat #print what exim is doing right now exim -bp #print a list of the messages
FreeSWITCH
Verto (VER-to) RTC is a FreeSWITCH endpoint that implements a subset of a JSON-RPC connection designed for use over secure websockets. This allows a web browser or other WebRTC client to originate a call using Verto into a FreeSWITCH installation and then out to the PSTN using SIP,
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 Extent
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
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’.