Linux – iproute2 Cheat Sheet

Overview iproute2 is the Linux networking toolkit that replaced net-tools (ifconfig, route, arp etc.) Old style network utilities like ifconfig and route are still there just for backwards compatibility and do not provide access to…
Linux File Permissions

Linux – Permissions

  In order to update and change file permissions, you can use the chmod command. The format of the command is as follows: [crayon-6935216fa39a4264818071/] for each action   Changing Permissions VALUE MEANING rwx+ugo No…

Debian – How to disable snmpd ia_addr insert messages?

You have Debian and Ubuntu servers which runs snmpd service and are getting following message every 30 seconds within /var/log/syslog [crayon-6935216fa3b35769633451/] This problem is related with the log level start options of snmpd service [crayon-6935216fa3b7a891796963/] With…

CISCO CUBE SIP DEBUGS

How to capture SIP traffic on a router monitor capture [crayon-6935216fa3d2a920609775/]

How to Disable or Enable Disk Write Caching in Linux

ATA-Based Disks Check out whether disk caching is enabled on your disk or not: [crayon-6935216fa3ecd100960020/] To disable write caching, you need to edit hdparm.conf using your favorite editor (e.g. gedit, vi). [crayon-6935216fa3ed4409217818/] …