Hauke Laging

Linux Presentation Day Berlin

http://www.hauke-laging.de

main interests: Linux (openSUSE), Shell (bash), crypto (OpenPGP/GnuPG, SSH, SSL/TLS), device mapper / LVM, networking (iptables, iproute2), virtualization (KVM)

German understanding readers see:
http://berlin.linux-presentation-day.de/

top accounts reputation activity subscriptions

less searches are always case-insensitive

less case-sensitivity asked Feb 22, 2014 at 13:51

unix.stackexchange.com

25 votes

What is the interface scope (global vs. link) used for?

linux networking routing asked Apr 4, 2014 at 7:36

unix.stackexchange.com

14 votes

Can entropy consumption at program start be prevented?

linux kernel security asked Apr 10, 2013 at 2:18

unix.stackexchange.com

11 votes

How to find out easily whether a block device (or a part of it) is mounted somehow

linux mount proc block-device sysfs asked Jan 31, 2014 at 1:40

unix.stackexchange.com

11 votes

strange NTP traffic

opensuse ntpd asked Apr 19, 2014 at 16:40

unix.stackexchange.com

8 votes

Linux: Block IPv6 for certain applications / hostnames

linux dns iptables ipv6 glibc asked May 27, 2013 at 21:00

serverfault.com

7 votes

mount options shown in /proc/mounts

filesystems mount linux-kernel proc asked Jun 19, 2013 at 11:21

unix.stackexchange.com

7 votes

different passwords depending on plugged-in devices

linux login password udev pam asked May 28, 2014 at 12:37

unix.stackexchange.com

6 votes

smbclient can access Windows share content, mount.cifs cannot

mount smb smbclient asked Jun 29, 2020 at 13:59

unix.stackexchange.com

6 votes

measure amount of data read from /dev/random

bash shell-script files gpg random asked Mar 1, 2014 at 2:10

unix.stackexchange.com

Top Answers

1051

How to append multiple lines to a file

unix.stackexchange.com

457

Recursively delete all files with a given extension

unix.stackexchange.com

400

How create a temporary file in shell script?

unix.stackexchange.com

310

Human readable memory sizes in top?

unix.stackexchange.com

168

How to renew an expired keypair with gpg

unix.stackexchange.com

160

How to copy files from the folder without the folder itself

unix.stackexchange.com

138

What's the difference between a normal user and a system user?

unix.stackexchange.com

128

Why does bash think: 016 + 1 = 15?

unix.stackexchange.com

The ls command is not working for a directory with a huge number of files

unix.stackexchange.com

Why is bash not storing commands that start with spaces?

unix.stackexchange.com

Can I create a *super* super-user so that I can actually have a user that can deny permission to root?

unix.stackexchange.com

List all files with the same inode number?

unix.stackexchange.com

What is the correct name for the ">" command

unix.stackexchange.com

Can ps display only non kernel processes on Linux?

unix.stackexchange.com

Passing named arguments to shell scripts

unix.stackexchange.com

How can I configure netcat (or some other stock linux utility) to listen on a specific port on a secondary IP address?

serverfault.com

How to get the current terminal name?

unix.stackexchange.com

Emulate unplugging a network cable with qemu-kvm

unix.stackexchange.com

Are operations on floats supported with bc?

unix.stackexchange.com

Encrypt and sign with specific secret key

unix.stackexchange.com

Do I need to restart server after a linux kernel update?

serverfault.com

Brackets in if condition: why am I getting syntax errors without whitespace?

unix.stackexchange.com

How to determine what encryption is being used a LUKS partition?

unix.stackexchange.com

How to compare different SSH fingerprint (public key hash) formats?

unix.stackexchange.com

What does "${-#*i}" != "$-" mean?

unix.stackexchange.com

How frequently is the proc file system updated on Linux?

unix.stackexchange.com

Echoing a string in bash with brackets surrounding it returns 'b'

unix.stackexchange.com

Can root/superuser read my read-protected files?

unix.stackexchange.com

What happens when a non-root user sends signals to root user's process?

unix.stackexchange.com

Is there an alternative to the `which` command?

unix.stackexchange.com