Samsung J7 dead after not using for long time.
I had a samsung J7, it’s in the drawer for many months. today i tried to charge it, there was…
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How to read rrd file?
[crayon-68633df013ff3301649446/] [crayon-68633df013ff5676243698/] this command will get the avg value of ds1 (ds1 is the dataset – you can see…
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Ubuntu 18.04 : how to run start up script
Create a service: [crayon-68633df0141b5104489682/] Add your code there: [crayon-68633df0141b7347744246/] Create and make sure /etc/rc.local is executable and add this code inside it:…
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GRE keepalives in an existing IPsec tunnel
When you setup a GRE tunnel through an existing ipsec – the keepalives should be turn off , if you…
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IPsec between Strongswan on AWS and Cisco IOS behind a NAT
My Strongswan : Local IP: 172.30.0.37 Elastic IP: 19.215.188.2 OS: Ubuntu My WAN: – Customer grade broadband Internet – Public…
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Strongswan: allow client to access internet
2 sites vpn works well, they can see each other. but i want to send all internet from my remote…
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Strongswan: IPsec VPN – https error
i have 2 sites vpn between Strongswan and Cisco 1841 , the vpn works well , but there is a…
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How to use and exit minicom ?
minicom -s (this is to configure the terminal) to exit minicom Press Ctrl – A , select Z , select…
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Cisco networking : access-list and access-class
When we apply an access-list to our router/switch, take this note: To apply an access list to a virtual terminal…
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Cisco Router: block ping from internet
Let say we have a router , it’s connected to internet via interface Fa0/1. For security reason, we don’t want…