CentOS
Install locate on CentOS and Debian
Install locate on CentOS and Debian Use the following commands : Debian : apt-get install locate CentOS : yum install mlocate
ARSTECH
Linux
REGEX Tutorial Regular Expressions
REGEX Tutorial Regular Expressions
Windows
How to shutdown or restart Windows 8 from an Remote Desktop Connection (RDP)
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 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
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
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
CentOS
How do I check a reverse PTR record
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
CentOS
7 Ping Very Useful Examples
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
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
Linux
Restarting an interface in Ubuntu Server
Restarting an interface in Ubuntu Server How to restart a network in Ubuntu Server without reboot sudo ifdown eth0 && sudo ifup eth0
Windows
Windows 10 Installation: How to Fix 80240020 Installer Bug
Windows 10 Installation: How to Fix 80240020 Installer Bug Navigate to the C:WindowsSoftwareDistributionDownload folder and erase all the data in it. Click on the Start button, search CMD and right click on the icon and choose Run as Administrator. The command prompt will appear on the screen. Type wuauclt.
CentOS
Install nslookup on CentOS
Install nslookup on CentOS For install nslookup, dig, host you need bind-utils pakage. Just run the command: sudo yum install bind-utils