Debian is a reliable, comprehensive and secure open-source operating system. Debian provides users with a consistent set of features that allow for robust computing, no matter the application or use case. A Debian Expert will be able to get the most out of the Debian operating system, by optimizing and maintaining it’s performance and security, identifying and resolving different issues, securely setting up different types of networks, configuring and administering a wide variety of server applications.
Here's some projects that our expert Debian Experts made real:
- Building robust networks that are secure, fast and reliable
- Configuring and administering servers quickly with no downtime
- Providing solutions to complex security problems
- Automating tedious processes with custom scripts
- Optimizing server performance to ensure smooth operation
- Installing applications and packages in an efficient manner
- Integrating services and applications on various solutions
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LINUX - IPTABLES TRAFFIC PROXY SERVER - SQUID TRANSPARENT Necessary to configure "SQUID TRANSPARENT" and Iptables to connect proxy server. http_port 8888 transparent /var/log/squid/ This example iptables output traffic proxy server: # Redirect HTTP traffic to the proxy server sudo iptables -t nat -A OUTPUT -p tcp --dport 80 -j DNAT --to-destination "$PROXY_IP:$PROXY_PORT" # Redirect HTTPS traffic to the proxy server sudo iptables -t nat -A OUTPUT -p tcp --dport 443 -j DNAT --to-destination "$PROXY_IP:$PROXY_PORT" Error on connected iptables to squid proxy /var/log/squid/: TCP_MISS/403 4135 GET - HIER_NONE/- text/html TAG_NONE/400 4417 NONE error:invalid-request - HIER_NONE/- text/html
I have this error when i send mail from centos, and when i send from gmail i ahve this one This is the mail system at host ams1- blade53-3.maas. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. Mail Delivery Subsystem <mailer-daemon @> 9:40 AM (29 minutes ago) to me Error Icon Message not delivered Your message couldn't be delivered to admin @ because the remote server is misconfigured. See technical details below for more information. The response from the remote server was: 554 5.7.1 <admin @>: Relay access denied