Divided we stand.

  • Simple way to fuck-up Gnome Shell in Fedora 25

    Open Evolution New message Attach file from Web DAV disk PROFIT!

  • FC 25 annoying auth bugs

    Evolution keeps failing to connect to Google calendars if it works for more than one day. Restarting goa-daemon with does not always help. That is frustrating: why not always?

  • I2P browser


  • Evolution mail signature workaround

    Evolution mail application in the Fedora 25 has annoying bug: it freezes when trying to add/edit signature (although, you can delete old one). It’s a known bug fixed in upstream and you can actually edit signature files (it’s quite tricky), but you can add shell script that would generate signature for you. UPD: need to use “cowsay `fortune`”

  • Today’s news on security

    Article: https://techcrunch.com/2016/10/21/many-sites-including-twitter-and-spotify-suffering-outage/

  • Today I’ve learned…

    My colleagues from the linux.org.ru board have found out one small flaw, so everyone including me stared to dance around PGP/GPG. So far I have found that among my systems: Linux works as it should: two mouse clicks and you are ready. Covers 100% of my work mail, 75% of my personal mail. Mac OS Sierra is not ready: GPG Suite has…

  • Interesing “feature” of the Mediawiki

    Just have a bit digged in the Mediawiki, that is quite popular Wiki engine 🙂 Found out that the  articles are located in the “prefix_text” table, with all the changes, obviously. So changes are being stored as a new copy of the article: if you have 100kb article and you need to save a change in 1 symbol, there would be 100kb growth (plus additional data) of the table. No wonder that…

  • E-mail notification on every login

    It’s useful sometimes to get notifications on every ssh login that is happen on the server (though, could be used to monitor logins made by other means). First method is based on the /etc/profile, but it should not be used because user can override it with setting own variables if home directory is writable for him. Most convenient is to use PAM, putting in the /etc/pam.d/sshd execution of the script that…

  • Backuping mysql

    Recently I have to backup mysql database on quite heavily loaded server and I wanted to make backup daily on one hand and I wanted them not to affect production on the other. DB size is more than 150 Gb, about 50k users daily. First approach was ty try to simply run musqldump and see what would happen. Site was down right after the backup has begun. Then…

  • DNSBL checkers list

    Since I am now running my own smtp-server, I have to deal with different black list servers myself and check my IP from time to time if it’s there or not.To cover pretty much everything valuable: https://www.whatismyip.com/blacklist-check/http://whatismyipaddress.com/blacklist-checkhttp://mxtoolbox.com/SuperTool.aspx?action=blacklist%3a85.17.249.170&run=toolpage My IP was in 2 lists, DAN ME, APEWS and Barracuda. DAN ME is a list maintained by some loser, who lists there all TOR-related IP addresses…

Got any book recommendations?