173 posts
The China edition of GitLab, operated by JiHu Information Technology (Hubei) Co. and branded "JiHu", focuses on enterprise DevOps. I was lucky enough to join the SaaS beta — here's my look at the domestic version of JiHu.
This tool uses the webmaster tools or open platform APIs of Baidu, Bing and Google to push site updates to search engines immediately, speeding up crawling and indexing.
On April 6, Debian published a security update fixing a cross-site scripting vulnerability found in the Python HTML sanitizing library bleach. python-bleach is an allowlist-based Python library that sanitizes HTML text by escaping or stripping tags and attributes.
Last week Alibaba Cloud announced a product update: it has joined the Cloudflare Bandwidth Alliance, offering Alibaba Cloud users highly competitive storage pricing — including free traffic from Cloudflare CDN back to OSS origin.
Three days ago, two malicious commits were pushed into the php-src repository maintained by the PHP team on its git.php.net server. Both commits faked signatures — his own, and that of PHP creator Rasmus Lerdorf.
Linux 5.12-rc5, released today, carries more than the average amount of change for this stage of kernel development. If that pace holds, it could add an extra week of testing and an -rc8 before Linux 5.12 final ships — though it's too early to say for certain.
The IETF announced that TLS 1.0 (RFC 2246) and TLS 1.1 (RFC 4346) are formally deprecated. These versions lack support for current and recommended cryptographic algorithms and mechanisms.
ZooKeeper is a distributed, open-source coordination service for distributed applications, an open-source implementation of Google's Chubby, and a key component of Hadoop and HBase. It accepts watchers' registrations and notifies them when data changes — think of it as ZooKeeper = filesystem + notification mechanism.
Firefox announced that Firefox 87 introduces a stricter, more privacy-preserving default referrer policy. From now on, Firefox will trim path and query string information from the Referer header by default, preventing sites from accidentally leaking sensitive user data.
When a DataNode starts it registers itself with the NameNode and periodically (every hour) reports all of its block information. It also exchanges heartbeats with the NameNode every 3 seconds, and those heartbeats carry commands for the DataNode. If no heartbeat arrives for over 10 minutes, the node is considered unavailable.
