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This applies to Kubuntu 15.10 and almost certainly other Ubuntu derivatives. It may also help those on other distros to figure out where things are going wrong. A couple of months ago, some upgrade or other hosed my Kubuntu install. Instead of the log-in screen, I was presented with a black screen (henceforth known as . . . → Read More: An (almost) authoritative guide to nvidia Prime and Bumblebee So, for whatever reason, you see a dreaded error from postgres for your prized data table: Error message from server: ERROR: invalid page in block 0 of relation base/30300/30333 I’ve been seeing that on (thankfully rare) occasions for a postgres db on an SSD for ownCloud. (The SSD concerned has known buggy firmware, but that . . . → Read More: Restoring a Specific Table in a Postgres Database from Backup This post applies to Kubuntu 14.10 running KDE 4.14.2, other DEs and Debain-derived distros almost certainly suffer the exact same issue. Whilst looking through my syslog to figure out why a game was causing the entire laptop to lock-up (note to self: find a better alternative to “Ctrl-Alt-PrtSrc-REISUB”) I found a slew to bleatings from . . . → Read More: Stop wpa-supplicant spamming your logs to death The post relates to Kubuntu 14.10 running KDE 4.14.2 I use KDE as it’s the closest thing to GNOME 2, it has many great features, is the most configurable thing ever and is, despite what naysayers might think, not that memory hungry for a full DE (remember, unused RAM is wasted RAM). It unfortunately does . . . → Read More: Troubles with KDE’s Muon package installer The scene is set late at night and a failing hard disk has forced the filesystem on a very remote server to go read-only. The server RAM fills and the system steadily jams up. There are two ssh terminals open. Any command such as “ls” or “umount -l” or “mount” or “reboot” all return the . . . → Read More: What?! No Reset Button! – No hands remote fix of a jammed server… |
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