Author: johayek
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getent – “get entries from administrative database”
https://en.wikipedia.org/wiki/Getent https://manpages.debian.org/unstable/manpages/getent.1.en.html The getent command displays entries from databases supported by the Name Service Switch libraries, which are configured in /etc/nsswitch.conf. If one or more key arguments are provided, then only the entries that match the supplied keys will be displayed. Otherwise, if no key is provided, all entries will be displayed (unless the database does not support enumeration). My DS713+ (Intel…
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comparing /proc/12345/cmdline on Linux — “diff –text” vs “diff –brief –text” vs “cmp –silent”
https://en.wikipedia.org/wiki/Procfs#Linux A cmdline “file” contains NUL characters, so “diff” needs to be used with “–text” otherwise it will fail anyway. I chose process ID 12345 deliberately, it is just a placeholder. $ cp /proc/12345/cmdline $HOME/cmdline $ ll /proc/12345/cmdline ~/cmdline -r–r–r– 1 root root 0 2018-06-12 09:22:50 /proc/12345/cmdline -r–r–r– 1 user users 45 2018-06-12 09:48:19 /homes/user/cmdline #…
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Fauda (“chaos” in Arabic) is an Israeli political thriller television series
https://en.wikipedia.org/wiki/Fauda
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dpk-query: why are certain packages being shown as “un … (no description available)”?
Solution: Some other package depends on this package, but only optionally resp. as an alternative; of the alternatives … one is indeed installed, but not this one, but still this is gets listed. This is how the package first showed up: $ dpkg-query –list foo… Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/… |/ Err?=(none)/… ||/ Name Version Architecture Description…
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“Jurgen the German” – Jurgen is a tourist in the U.K., and he is ridiculous (from the pre-Jürgen-Klopp-area)
https://en.wikipedia.org/wiki/Jürgen_Klopp
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SQLite vs Oracle SQL Developer – nope?!?
https://en.wikipedia.org/wiki/SQLite https://en.wikipedia.org/wiki/Oracle_SQL_Developer http://www.oracle.com/technetwork/developer-tools/sql-developer/thirdparty-095608.html http://www.oracle.com/technetwork/database/migration/omwb-getstarted-093461.html https://stackoverflow.com/questions/1525444/how-to-connect-sqlite-with-java https://bitbucket.org/xerial/sqlite-jdbc/downloads/ (Looks like) SQL Developer is no longer able to interface with as many RDBMSs as explained in its list. https://en.wikipedia.org/wiki/Comparison_of_database_tools
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Oracle DB as VirtualBox appliance (2017-06-14 update)
http://www.oracle.com/technetwork/database/enterprise-edition/databaseappdev-vm-161299.html If you already are VirtualBox-minded, this is a very nice approach to get Oracle DB running.
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in the middle of upgrading a WordPress plugin I exceeded my disk quota and I only saw “HTTP ERROR 500” from then on
Before I started upgrading that WordPress plugin I did not actually notice, that I exceeded my disk quota. Well, sh*t happens. Once I was able to think clearly again, I wondered which files I could easily get rid of. WordPress backups. I saved my (recent) WordPress backups over to my NAS immediately (I do have…