Tag: Networking

  • How to clean inactive memory or caches in Linux

    First check the memory Utilization [root@ localhost ~]# vmstat -s -S m 8066 m total memory 7932 m used memory <pre> 2051 m active memory 5508 m inactive memory 134 m free memory 3197 m buffer memory 3897 m swap cache . . output omitted… Now run following commands as required to clean inactive memory/caches…

  • Samba Server version 4 as Domain Controller on Linux (Centos 6.4)

    Introduction: Installation and configuration of Samba Server version 4 as a Domain Controller which is compatible with Microsoft’s Active Directory, to use of Microsoft Windows clients for domain services such as Domain Logon, share folder etc. Assumption: 1. Domain: testdomain.com 2. Netbios name: TESTDOMAIN 3. SELINUX is disabled Note: Before start the installation make sure…

  • How to block youtube website on Juniper SRX 220 firewall

    Action Plan: To block “http://www.youtube.com” for users/subnet using Juniper web-filtering and IDP configuration Web filtering configuration: #set security utm custom-objects url-pattern youtube value “http://www.youtube.com” #set security utm custom-objects custom-url-category youtube value youtube #set security utm feature-profile web-filtering url-blacklist custom-deny #set security utm feature-profile web-filtering type juniper-local #set security utm feature-profile web-filtering juniper-local profile local-engine default…