Why is there no “Euro English” locale?
I used to use the somewhat whimsical en_DK.UTF-8 locale when installing a new system because that would produce (roughly) the locale results I wanted, even though I am not in Denmark.
Unix & Linux
Getting information about a process’ memory usage from /proc/pid/smaps
For a given process in /proc/<pid>/smaps, for a given mapping entry what are:
Who runs the interpreter for files that are execute-only?
If the current user only has execute (–x) permissions on a file, under which user does the interpreter (specified by #!/path/to/interpreter at the beginning of the file) run?
Lowercasing all directories under a directory
I want to lowercase every directories’ name under a directory. With which commands can I do that?
Monitor disk health using smartd (in smartmontools) on a high availability software RAID 1 server
I have a server with three identical SATA/600 3TB drives: /dev/sda, /dev/sdb, /dev/sdc. The drives are partitioned, using GPT with three partitions each:
Omitting extension with find?
I need to create thumbnails from multiple .png files and would like to do this using ImageMagicks convert utility. To recursively find all files that are not thumbnails themselves, I am using the following call (split into two lines to make it readable):
How to suspend and bring a background process to foreground
I have a process originally running in the foreground. I suspended by Ctrl+Z, and then resume its running in the background by bg <jobid>.
Prevent systemd timer from running on startup
I’ve been migrating my crontabs to systemd’s timer units. They all look similar to this:
cat files with directory
Is there a command to show the directory/file name when cat files?
Non-ASCII printable characters in sshd banner
It’s possible to configure a banner for sshd that is to be displayed as a connection is opened, via Banner /etc/motd.ssh in sshd_config. Note that this is displayed before the authentication occurs, and even when an interactive shell is not launched (e.g. via scp).