CT's Tech Notes

This note provides how to setup private GIT repository server. Server setup Install git yum install git Create user useradd gitacc passwd gitacc Create ssh directory mkdir .ssh && chmod 700 .ssh touch .ssh/authorized_keys && chmod 600 .ssh/authorized_keys Create key to authenticate ssh-keygen -C "youremail@mailprovider.com" Create entries of public keys for allow users cat .ssh/id_rsa.pub | ssh user@123.45.56.78 "cat >> ~/.ssh/authorized_keys" Create project repository at server cd /home/gitacc mkdir "project" cd "project" git init --bare Client configuration Change to working directory cd "project" git init git add . git commit -m 'initial commit' git remote set-url origin gitacc@128.199.136.183:mt/mt-project.git git init git remote add origin gitacc@128.199.136.183:mt/mt-project.git Commit new file git add test.txt git commit -m 'created test.txt' git push origin...

This note provides how to setup pdns recursor for resloving DNS service. Install pdns recursor rpm -ivh pdns-recursor-3.7.3-1.el6.x86_64.rpm Create allow network db file cat > /etc/pdns-recursor/allow-network-db <<EOF #Default Allowed network 127.0.0.0/8 #Additional Allowed networks EOF Backup config file cp -a /etc/pdns-recursor/recursor.conf /etc/pdns-recursor/recursor.conf.orig Configure config file with allow network db list cat > /etc/pdns-recursor/recursor.conf <<EOF setuid=pdns-recursor setgid=pdns-recursor ################################# # allow-from-file If set, load allowed netmasks from this file # # allow-from-file allow-from-file=/etc/pdns-recursor/allow-network-db ################################# # any-to-tcp Answer ANY queries with tc=1, shunting to TCP # any-to-tcp means queries from clients that ask for ANY will get redirected to TCP. It has no influence on the outgoing transport of the Recursor # Default: no any-to-tcp=y...