Category archives: Tuxedo
Discussions about Linux, Unix and related technologies
Kubuntu 11.04 Install on Dell XPS 8300
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Tuxedo.
Just some notes on the install:
- live cd boots and runs perfectly well
- needed to reboot into windows, run chkdsk /f (with administrator privileges) and then reboot twice into windows to get the disk into consistent state
- installed image fails trying to log into KDE, installed image appears to use the open-source ati drivers; these ...
IDE without File|Open or File|Save is... painful
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Tuxedo.
As mentioned a while ago, I switched my desktop from Ubuntu to Kubuntu because Unity was just too half-baked to be used in my setup. That went relatively well, modulo the need to restart 3 times to get the desktop to come up (KDE just hung on login). However, one truly annoying casualty is that ...
Kubuntu replacing Unity
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Tuxedo.
Have been growing (even more) annoyed with Unity on the machine at work. Just too many times every hour where I have to stop, work around Unity (normally just an extra seek-and-click, but it adds up when you have to wait for the failure, think about why it's failing, then re-acquire a target, then click, ...
Unity papercuts getting under my skin
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Tuxedo.
My machine at work runs Ubuntu (instead of Kubuntu), as that was what someone installed for me before I got there, so when I updated to Maverick I got a chance to work with Unity. I don't hate it, but I find it annoying in a number of small ways:
- I can't see all my ...
Kubuntu Natty Upgrade... Hrm...
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Tuxedo.
I upgraded my main laptop to Kubuntu Natty this afternoon. Honestly I can't tell the difference so far. Firefox 4 is slightly different looking. Nothing else of note seems to have changed. I had to uninstall and re-install the Gtalk plugin, but other than that, no hiccups on the install.
On one hand, whew, nice ...
Replicate live into a throw-away staging/dev db
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Tuxedo.
Problem that looks like it will be coming up soon... you are always wanting to be able to test your code against a (huge, PostgreSQL) LIVE DB before you release/promote the code. Loading a DB dump can take hours. Your test code can't all just run in a single transaction.
First approach: run the DB ...
Catty ssh is cool
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Tuxedo.
Was looking up something for a backup operation and saw a command where someone was catting from ssh... I'd never thought of doing it before, but it does make sense:
ssh dbhost.example.com "pg_dumpall | gzip -c" > ~/cluster.sql.gzshould connect and dump the entire DB cluster (gzipped) to your local machine.
ssh dbhost.example.com "gunzip -c ...
Good news, backups worked, bad news, it's the motherboard
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Tuxedo.
The backups did, indeed, work, though the /etc/ backup wasn't quite as recent as I'd have liked. However, now *another* disk is corrupting (this time the home/var disk), and it looks like it's the motherboard's SATA controller at fault. Replacing that will require new motherboard, memory, and CPU... and yet another day of working on ...
Hey, thinks me, maybe I could work on packaging that backup idea...
Written by
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Tuxedo.
Just log onto the server and see how I arranged the backups... duh! Server's disk has corrupted irrecoverably. Hope those backups worked (won't know until I can buy a new disk on Tuesday).
DHClient!!! (think "Kahn!")
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Tuxedo.
It's like the standard DHCP client and server are *trying* to be ridiculous. Half the custom options show up, the others don't, no error messages, different SELinux restraints on different systems, standard options seemingly unknown on one side or another, options just disappearing without explanation.
If you don't understand an option, log an error, don't ...