Mark Caudill

Categories
  1. Encryption with a Funky Partition Layout

    I recently ran into some trouble with the system while mucking around and decided to take the opportunity to restructure my partitioning layout and do a full OS reinstall; this time with full disk encryption (except /boot). Suffice it to say, the Fedora installer is fairly flexible, but not nearly …

  2. Weather Shell Function

    Here's the weather function I use when I'm too lazy to look out the window. The only configuration is a free forecast.io API key. The main selling point is that it geolocates so you don't have to remember where you are. Though this has drawbacks if you're running it …

  3. CIFS, fstab, and You

    Let's say you're a Linux admin in a Windows shop (ha) and you'd like to be able to access your company shares via a real operating system. Even more, you'd like these shares to be accessible immediately after boot.

    //<server>/path /path/to/mount  cifs credentials=/home/<username>/.smbcreds,uid …
  4. Leveraging LVM Caching

    I recently implemented LVM caching based largely on Richard WM Jones' post and thought I'd document my own experience here.

    I started with an SSD containing /, /home, and swap, two 2 TB HDDs (sdb, and sdc) and an additional SSD (sdd).

    [root@bender ~]# lsblk
    NAME            MAJ:MIN RM   SIZE RO …
  5. Enable SSD Trim Support with systemd

    # systemctl enable fstrim.timer
    Created symlink from /etc/systemd/system/multi-user.target.wants/fstrim.timer to /usr/lib/systemd/system/fstrim.timer.
    # systemctl start fstrim.timer
    # systemctl status fstrim.timer
     fstrim.timer - Discard unused blocks once a week
       Loaded: loaded (/usr/lib/systemd/system/fstrim.timer; enabled; vendor preset: disabled …

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