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Environment variable GIT_SSH_COMMAND: From Git version 2.3.0, you can use the environment variable GIT_SSH_COMMAND like this: GIT_SSH_COMMAND=”ssh -i ~/.ssh/id_rsa_example” git clone example Note that -i can sometimes be overridden by your config file, in which case, you should give SSH an empty config file, like this: GIT_SSH_COMMAND=”ssh -i ~/.ssh/id_rsa_example -F /dev/null” git clone example Configuration core.sshCommand: From Git version 2.10.0, you can configure this per repo or globally, so you don’t have to set the environment variable any more! git config core.sshCommand “ssh -i ~/.ssh/id_rsa_example -F /dev/null” git pull git pushRead More →

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Do you see this error in your mail.log? “Please contact your Internet service provider since part of their network is on our block list (AS3140)” Go to this website to request Outlook team to remove your IP from their blocked list. https://support.microsoft.com/en-us/getsupport?oaspworkflow=start_1.0.0.0&wfname=capsub&productkey=edfsmsbl3&locale=en-us&ccsid=635611717755428181Read More →

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This happens when we upgrade my Apache to 2.4.7 , it turns out that we haven’t got removed the old authentication configuration completely, we just remove the require valid user   #AuthType Basic AuthName “My Login” AuthUserFile /var/www/.htpasswd #Require valid-user   The fix is: we have to remove all authentication configuration lines #AuthType Basic #AuthName “My Login” #AuthUserFile /var/www/.htpasswd #Require valid-user    Read More →

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Web/Mail/Database can use the same certificate to allow its client to connect to the server. Postfix: postconf -e smtpd_tls_cert_file=’/etc/pki/tls/certs/cert.pem’ postconf -e smtpd_tls_key_file=’/etc/pki/tls/private/privkey.pem’ postconf -e smtpd_tls_CAfile=’/etc/pki/tls/certs/fullchain.pem’ Dovecot (POP3/IMAP server) SSL certificate settings are defined in Dovecot main config file, /etc/dovecot/dovecot.conf (Linux/OpenBSD) or /usr/local/etc/dovecot/dovecot.conf (FreeBSD): ssl = required ssl_cert = server.chained.crt Then update ssl_certificate parameter in /etc/nginx/conf.d/default.conf: ssl_certificate /etc/pki/tls/certs/server.chained.crt; Restarting Nginx service is required. MySQL, MariaDB If MySQL/MariaDB is listening on localhost and not accessible from external network, this is OPTIONAL. On Red Hat and CentOS, it’s defined in /etc/my.cnf On Debian and Ubuntu, it’s defined in /etc/mysql/my.cnf. Since Ubuntu 15.04, it’s defined in /etc/mysql/mariadb.conf.d/mysqld.cnf. On FreeBSD, it’s defined in /usr/local/etc/my.cnf. On OpenBSD, it’s defined in /etc/my.cnf. [mysqld] ssl-caRead More →