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A.B
  • Member for 8 years, 2 months
  • Last seen more than 1 year ago
90 votes
Accepted

Using `openssl` to display all certificates of a PEM file

66 votes
Accepted

bc: Why does `ibase=16; obase=10; FF` returns FF and not 255?

52 votes
Accepted

root cannot write to file that is owned by regular user

50 votes
Accepted

Copying files with certain extensions with scp

46 votes

Using mv command to move a file from one folder to another one - Strange example

41 votes
Accepted

How can I print a '@' in a Linux shell?

37 votes
Accepted

What is the difference between 'contrib' and 'non-free' packages repositories?

36 votes
Accepted

Netcat - How to listen on a TCP port using IPv6 address?

33 votes
Accepted

nftables whitelisting docker

30 votes
Accepted

Regain sudo access after nuking secondary groups

30 votes

Unable to kill process with PID 1 in docker container

27 votes
Accepted

Use uniq to filter adjacent lines in pipeline

25 votes
Accepted

How to find unspoofed MAC address of NIC

25 votes
Accepted

How --set-mark option works on Netfilter (IPTABLES)?

25 votes
Accepted

Bridged interfaces and VLAN tags

25 votes
Accepted

Packet processing order in nftables

23 votes
Accepted

Why not ssh.service but sshd.service?

22 votes

I see pids above 400,000 why is that? Does it indicate something is wrong?

21 votes
Accepted

Disk usage confusion: 10G missing on Linux home partition on SSD

20 votes
Accepted

When and how to use chain priorities in nftables

20 votes
Accepted

Why is my LAN cable opening an UDP port on my computer?

19 votes
Accepted

LD_PRELOAD does not work and LD_DEBUG shows nothing

19 votes
Accepted

How to forward traffic between Linux network namespaces?

18 votes
Accepted

Is there a way to use sshfs for a machine "two jumps away"?

17 votes
Accepted

/etc/fstab fails to bind mount on boot, but running mount -a works correctly

17 votes
Accepted

What does "if1@if2" mean in interface name in output of "ip address" command on Ubuntu

17 votes
Accepted

Why is my username/hostname in the SSH public key?

17 votes
Accepted

nftables remove all rules in chain

16 votes
Accepted

Installing Debian 10, upgrade to stable later?

16 votes
Accepted

Under what conditions exactly does SIGPIPE happen?

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