Interesting story. https://www.perl.com/article/the-hijacking-of-perl-com/
The story of a domain hijacking
Large .cache directory – Linux
[user@myhost .cache]$ du -sh 72M . So what is this? Pip cache ‘pip cache dir’ [user@myhost ~]$ pip cache dir /home/user/.cache/pip [user@myhost ~]$ to clean – ‘pip cache purge’ [user@myhost ~]$ pip cache purge Files removed: 155 check the space [user@myhost .cache]$ du -sh 2.5M . [user@jibsheet .cache]$ 95% or more reduction of space.
Some sendmail tips with AWS and Debian
Configuration strings use left tick – hex 60 on left, hex 27 at the end. PAY attention error – DNS Host unknown (Name server: ‘some-smtp.server.com’) This error is caused by using python/bash like single ticks on both sides `SMART_HOST’, `email-smtp.eu1.amazonaws.com’ AWS uses port 587 – don’t even bother trying to use port 22. it will not respond. this will appear […]