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Traffic volume for Facebook services on October 4, 2021 with a drop during the global outage. On October 4, 2021, at 15:39 UTC, the social network Facebook and its subsidiaries, Messenger, Instagram, WhatsApp, Mapillary, and Oculus, became globally unavailable for a period of six to seven hours. [1][2][3] The outage also prevented anyone trying ...
At the time of the incident, CrowdStrike said it had more than 24,000 customers, [42] including nearly 60% of Fortune 500 companies and more than half of the Fortune 1000. [ 43 ] [ 44 ] On 20 July, Microsoft estimated that 8.5 million devices were affected by the update, which it said was less than one percent of all Windows devices.
Google services outage. During eight episodes, one in 2013, one in 2014, one in 2018, three in 2020, and two in 2022, Google suffered from severe outages that disrupted a variety of their services. The first was a five-minute outage of every Google service in August 2013. The second was a 25-minute outage of Gmail, Google+, Google Calendar, and ...
The power cut occurred at 4:20 pm and power was slowly restored between 5:20 and 6:30 pm. [112] April 15— Kazakhstan and Kyrgyzstan —A little before 9:00 pm, a severe power cut blacked out up to 80% of Almaty and northern parts of Kyrgyzstan, affecting a few million people for several hours.
An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.
Software that shows the health of the drive and its smart attributes. [1] Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T. or SMART) is a monitoring system included in computer hard disk drives (HDDs) and solid-state drives (SSDs). [2] Its a primary function is to detect and report various indicators of drive reliability, or how ...
A checksum of a message is a modular arithmetic sum of message code words of a fixed word length (e.g., byte values). The sum may be negated by means of a ones'-complement operation prior to transmission to detect unintentional all-zero messages.