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Docker management simplified – How to use Cockpit to deploy and manage Docker containers
1. Docker installed - Check. 2. Get image - Check. 3. Deploy container - Check. With Docker, deployment is as easy as that. Sysadmins and developers have moved away from the VPS days, and have settled into the easy lives of getting deployments done in minutes rather...
Configuration management made easy – How Docker and Cockpit was used to reduce deployment errors and delays
DevOps engineers have come to rely on configuration management tools like Puppet, SaltStack, Chef and Ansible for faster deployments and minimizing errors. However, the quest for the perfect deployment solution is still on. As is the fate of any code, Puppet...
550: No such user here – How to resolve email error 550 in cPanel/WHM Linux servers
550: No such user here is a common error reported by cPanel users who primarily use an external mail server (like a corporate MX) to store their mail. These include users who are trying to setup a mail forward to an external mail server, those who recently migrated or...
IPv6 reverse DNS configuration – How to configure IPV6 RDNS in cPanel/WHM Linux servers
On July 1st, ARIN (American Registry for Internet Numbers) sent out a notification that it may not be able to give out IPv4 blocks of larger than 512 addresses. This officially makes the decade old prediction of IPv4 running out a reality, and makes it necessary for...
Fix for DoS vulnerability in BIND DNS service
On 28th July Internet Systems Consortium announced a critical vulnerability (CVE-2015-5477) in all BIND DNS server versions from 9.1.0 to 9.9.7-P1 and 9.10.2-P2. It allows a remote attacker to exploit an error in handling TKEY queries to launch a Denial of Service...
DoS vulnerability in BIND DNS servers
On 28th July Internet Systems Consortium announced a critical vulnerability (CVE-2015-5477) in all BIND DNS server versions from 9.1.0 to 9.9.7-P1 and 9.10.2-P2. It allows a remote attacker to exploit an error in handling TKEY queries to launch a Denial of Service...
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