How can I determine if someone’s SSH key contains an empty passphrase?
Some of my Linux & FreeBSD systems have dozens of users. Staff will use these “ssh gateway” nodes to SSH into other internal servers.
Unix & Linux
Isn’t less just more?
When I do more filename and less filename, it would seem that the resulting terminals are quite similar. I can navigate and search through my files identically (j, Space, /pattern, etc.).
How to make xargs handle spaces and special chars from cat?
I have a file that contains a list of names. i.e.:
What are the alternatives to the FHS?
I’m a long time Linux user for over 15 years but one thing I hate with a passion is the mandated directory structure. I don’t like that /usr/bin is the dumping ground for binaries or libs in /usr/lib, /usr/lib32, /usr/libx32, /lib, /lib32 etc… Random stuff in /usr/share etc. It’s dumb and confusing. But some like it and tastes differ.
Is systemd-journald a syslog implementation?
I wonder if systemd-journald is a new implementation of syslog protocol, or rather, it uses syslog implementations, such as rsyslog, syslog-ng
systemd keeps unmounting a removable drive
I have following line in /etc/fstab:
File system for an SSD drive
I always thought that traditional file systems, are geared and optimized for non-ssd drive, where, for instance, data locality is important, and fragmentation is problematic.
tmux, Vim and Solarized
Historically, there has been a one-to-one correspondence between the bolded versions of the 8 default ANSI colors and the bright versions of the 8 default colors. Back in the day, when a color program demanded the display of bold text, it was probably just easier for terminal emulators to display a brighter version of whatever color the text was (and expect the user to interpret that as bold) than to display a typeface with a bold weight.
Is it a sane approach to “back up” the $IFS variable?
I am always really hesitant to mess around with $IFS because it’s clobbering a global.
List files larger than {size} sorted by date
I want to solve the problem ‘list the top 10 most recent files in the current directory over 20MB’.