How to persist iptables settings on debian
Use iptables-persistent instead of old way of iptables-save and iptables-restore to automate saving and restoring during reboots. Just remember to still perform...
Category: Unix Admin
Net-SNMP configuration for non-root AgentX application
By using a TCP Socket one can allow a non-root AgentX application/agent to connect to Net-SNMP masteragent. But this should be used for development purpose only...
DST does not influence UnixTime or Seconds since Epoch
Seconds since Epoc or Unixtime is ever increasing value and it remains stable (except for leap second). Daylight Savings changes does not affect it.
Capture local network traffic for multi-homed host
If both end-points of a socket are on local system, network traffic will be seen on loopback interface even if applications are using non-loopback interface (e....
mimikatz : Export non-exporteable Private certificate from Symantec PKI
Using mimikatz on windows user can export certificates that were setup using Symatec PKI Client and were marked non-exportable.
postfix : Configure outgoing relay server
Add name of outgoing/relaying mailhost as `relayhost` in `/etc/postfix/main.cf` and restart postfix.
Find the process monopolizing the CPU without using “top”
`ps -eo pcpu,pid,ruser,args | sort -r -k1 | less` provides in reverse sort order the `pid` that is taking up most of `pcpu` and the `ruser` (real user) with `ar...
Setup WebEx on 64 bit Ubuntu 12.04 using 32 bit Oracle Java
WebEx needs 32 bit Oracle Java to run which can be installed locally along with Firefox.
Add a custom script in Unity HUD
Create `/usr/share/applications/.desktop` file and run `update-desktop-database` to add the custom script in Unity HUD.
vpn : Split Tunnel Concept
Split tunnel allows user to access local network resources and divert Internet traffic away from tunnel while still remain connected to company vpn. Specific ne...