Scaling financial transactions in a database can be a significant challenge, especially when correctness and consistency are paramount. For one financial system, PostgreSQL’s Serializable Transaction Isolation level was employed to ensure data accuracy. However, this approach led to performance bottlenecks caused by transaction conflicts and therefore retries.
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Why the Meltdown/Spectre vulnerability makes your processor leak your passwords. An explanation for non IT people
As we have all heard, there were several related hardware vulnerabilities affecting almost all computers/phones/processors sold since 1995. Those vulnerabilities make your CPU leak secret information to programs which should not have access to those secrets.
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German lawyers are now required to install a crypto backdoor
German lawyers are now required to install a crypto backdoor
Starting on 1.1.2018 all german lawyers are required to use the special electronic lawyer mailbox (beA) for communication with authorities and courts, which requires a system wide installation of a ROOT-CA(with a publicly known private-key).
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Exim/GnuTLS disable SSLv3 and TLS_RSA_WITH_RC4_128_SHA ;-)
How to get rid of the weak cipher (TLS_RSA_WITH_RC4_128_SHA) and SSLv3 in Exim4 with GnuTLS (which is the default on Ubuntu 14.04) using the tls_require_ciphers instruction in the exim config.
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Advanced Netflix unblocking setup with OpenWrt/OpenVPN and uflix (DISCONTINUED)
******UPDATE: Uflix discontinued Netflix support****
**As of this week uflix announced (in this Statement) they would discontinue their Netflix unblocking service. Other services like AmazonPrime etc. are not affected.
**
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