Being able to proxy via SOCKS5 on browser sometimes wasn’t enough, one needs a system-wide proxy. The best and simplest solution is of course VPN, but VPN is not as fast compare to SOCKS proxy like ShadowSocks under Linux. What can we do? In this article, I am going to briefly introduce System-wide SOCKS5 proxy for all applications.
Continue reading SOCKS5 as a VPN under Linux
Recently I came across a problem. My friend could not decrypt the channel message in IRC as the channel has a blowfish key exceeds 56 bytes of size. I don’t know about the mIRC implementation (fish10) but in weechat under Linux, I found a solution.
Continue reading Weechat – FiSH key exceed 56 bytes (448 bits)
When I was installing my zabbix server (version 2.2 branch) from RPM package, I encountered the following error when I was trying to enable the service.
Continue reading Zabbix22 – Systemd enablement fix
Continue reading Using pingjs
I have a business need. I need to send automatically generated email from a specific business address to my customers. Postfix does not help you to save it to “Sent” mailbox. Although I have mail logs telling me that emails have been sent to the correct email addresses but I really don’t know what is being sent.
Because I setup my own mail server, this is going to be really easy. There is no need to change my business code to BCC a secret address, which is not very nice.
Continue reading Make a secret copy of sent email in Postfix
I have done some searching on the internet and found little about this specific topic, hence this post.
Continue reading IPSec over GRE setup tutorial
Ranged port forwarding has its uses. I want to port forward port number 1025 to 50000 from Machine A to Machine B’s 1025 to 50000. Here is how I did it with iptables.
Continue reading Port range forwarding using iptables
One of my servers back in China has a really sloooow connection to some of the famous DNS servers, like Google’s or OpenDNS. I happen to come across a performance issue related to DNS issue when I was logging into that server.
Continue reading OpenSSH hang after SSH2_MSG_SERVICE_ACCEPT
Recently I came across a problem which took me some time to find out.
I want to write a script that can take arguments to add user to my Django app. This problem was encountered:
Continue reading Operate Django from directly executing python file over command line
I was using 1.5.x version of Mutt and recently upgraded to 1.6.x. When I tried to use tab key to select from my aliases, it wouldn’t work and will show
Query command not defined error.
Continue reading Fix Mutt auto complete problem