See What is creating the generated/autoconf.h? for tips on how to generate autoconf.h for the Linux sources.
Instead of
gunzip < /proc/config.gz > .config
Use
cat /boot/config-$(uname -r) > .config
Linux: generated/autoconf.h
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Category Archives: Sys Admin
Qt Creator
Note to self: I have installed Qt Creator 9.0.0-beta1 (8.0.82) in
charm:/home/jj5/repo/git/code.qt.io/qt-creator-install/bin/qtcreator
Ubuntu upgrade
Note to self:
sudo apt-get update sudo apt-get upgrade -y sudo apt-get dist-upgrade -y sudo do-release-upgrade -y
Use One Big Server
Today I read an article recommending to Use One Big Server instead of a bunch of cloud services.
Performance Numbers Worth Knowing
Today I discovered Performance Numbers Worth Knowing. It is what it says on the label.
Backing up MySQL views
So my `mysqldump` script wasn’t backing up views. I found a good solution using information_schema on Stack Overflow: Backing Up Views with Mysql Dump.
Networking
I have 50 computers (with IP addresses). 26 of them are on-prem virtual machines, 12 of them are AWS EC2 instances, 4 of them are laptops, 2 are Raspberry Pis, 1 is a WiFi router, and the last 5 are towers, being workstations/servers connected to a KVM of some type.
I guess I have some other things with IP addresses too, like a few smartphones, an iPod touch, my Rigol scope which has Ethernet support, and my Chumby and various power supplies which have WiFi support.
I had a situation the other day where I couldn’t remember what one of my computers was for or did…
Mac startup tips
If you hold shift when you boot your Mac it will boot in safe mode. When you’re logging in hold shift and your apps that normally open at start-up won’t be opened automatically.
How to mount an Xbox formatted drive on Ubuntu
When I finally get a PCIe IDE adapter that works, this is gonna come in handy: How to mount an Xbox formatted drive on Ubuntu.
The IDE adapter that I have is this one, but it reports all disks as damaged (and they’re not). I think maybe it’s too new for the drives maybe? Speaking a newer version of the ATA protocol? I have no idea really.
whatis command
Today I discovered the `whatis` command. Over here. That is all.