force output to input (buffer) like “33[6n” in a script
I have tried using pipes and redirections to have (C program or scripts) output end up on the input buffer, the way printf "33[6n" does, but no positive results.
Unix & Linux
is piped ls the same as ls -1?
ls returns output in several columns, whereas ls|cat returns byte-identical output with ls -1 for directories I’ve tried. Still I see ls -1 piped in answers, like ls -1|wc -l. Is there ever a reason to prefer ls -1? Why does ...|cat change the output of ls?
Getting capabilities of my CD/DVD drive when wodim –devices doesn’t work
I used to be able to run either commands successfully on my Fedora 14 Thinkpad T410 laptop:
To env or not to env
What is the difference between the command
Do you need to specify the “defaults” option in fstab?
The Arch Wiki on fstab specifies the options of / to be defaults,noatime, but on my installation the default fstab is created with the options of rw,relatime. The Arch Wiki covers the atime issues. What I am curious about is the defaults option. The man page for mount says:
Can I list the filesystems a running kernel can support?
I’m trying to detect what filesystems a kernel can support. Ideally in a little list of their names but I’ll take anything you’ve got.
Debugging Java program for changing timezone configuration file on Ubuntu
Here is a ruby script I wrote to change the timezone configuration on Ubuntu. I run it with jruby (a Ruby interpreter running in a JVM).
How to prevent fork bomb?
To prevent fork bomb I followed this http://www.linuxhowtos.org/Tips%20and%20Tricks/ulimit.htm
Configure up-arrow to browse through commands with same initial characters rather than all previous commands
On the bash command-line, ↑ gives me the previous command. On the command-lines in ipython or matlab, when I type a few characters, ↑ gives me the previously entered command starting with those characters. How can I enable exactly this behaviour in bash?
Conditionally enabling systemd files through Debian packaging
I’ve created a deb package which installs a service.