User kasperd

36 votes

How are "/dev" Linux files created?

answered Nov 6, 2015 at 9:23

20 votes

What does env x='() { :;}; command' bash do and why is it insecure?

answered Sep 25, 2014 at 9:12

19 votes

Accepted

reading TCP connection list from /proc

answered Jan 16, 2019 at 7:41

19 votes

Does the Linux kernel need a file system to run?

answered Mar 22, 2019 at 11:28

18 votes

Accepted

WITHOUT using network command lines in linux, how to know list of open ports and the process that owns them?

answered May 20, 2014 at 7:47

16 votes

Accepted

When a process forks is its virtual or resident memory copied?

answered Jun 1, 2015 at 12:45

15 votes

Executing a bash script or a c binary on a file system with noexec option

answered Dec 22, 2018 at 12:15

14 votes

How to change time zone in a bash script?

answered Jul 30, 2017 at 11:57

11 votes

Accepted

Cron job not saving

answered Jun 14, 2015 at 17:15

9 votes

Can a program run in kernel mode?

answered Mar 22, 2019 at 11:43

8 votes

Accepted

Running a command without ./

answered May 29, 2014 at 11:00

7 votes

Accepted

What causes /proc/<pid>/* resources to become owned by root, despite the procs being launched as a normal user?

answered May 31, 2014 at 13:04

7 votes

Linux shell script: Run a program only if it exists, ignore it if it does not exist

answered Jan 29, 2019 at 21:28

6 votes

cd ~<user> is possible but why can't we cd ~"$USER" or cd ~${USER}

answered May 17, 2018 at 22:23

6 votes

Are chained commands atomic?

answered Sep 8, 2015 at 22:07

5 votes

Accepted

How do I grep for this "^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@" from a file?

answered Jan 3, 2018 at 22:37

4 votes

Accepted

What are ways to encrypt a password inside an environment variable

answered Apr 2, 2014 at 18:59

4 votes

Accepted

sed -e 's/^[0-9]//' does not work for the first line

answered Nov 21, 2015 at 14:43

4 votes

Accepted

Is there a netcat like utility that uses unix sockets?

answered Feb 27, 2015 at 7:01

4 votes

Why is my DAD slow?

answered Mar 28, 2015 at 15:19

3 votes

Is it possible to modify a file in a read only directory?

answered Apr 12, 2015 at 22:57

3 votes

Accepted

mv deleted my directory. Why?

answered Aug 26, 2014 at 15:59

3 votes

Use two different ip addresses per host in SSH

answered Dec 22, 2014 at 18:22

3 votes

Can't start OpenVPN

answered Mar 11, 2017 at 23:01

3 votes

Accepted

Why can't I authenticate a curl request when piping to less or more?

answered Oct 1, 2017 at 22:17

3 votes

Accepted

How to route traffic through different proxy servers based on destination

answered Sep 20, 2015 at 9:18

3 votes

Accepted

chmod doesn't work on Mac

answered Oct 4, 2015 at 15:57

3 votes

Why is the range of load average not 0-1+ for all cpu's together?

answered Jun 24, 2015 at 14:23

3 votes

Blocking SSH Brute Force attacks on IPv6

answered Jul 20, 2015 at 9:21

3 votes

Is clearing a full swap necessary / wise?

answered Aug 4, 2015 at 11:59

Stack Exchange Network

44 Answers

How are "/dev" Linux files created?

What does env x='() { :;}; command' bash do and why is it insecure?

reading TCP connection list from /proc

Does the Linux kernel need a file system to run?

WITHOUT using network command lines in linux, how to know list of open ports and the process that owns them?

When a process forks is its virtual or resident memory copied?

Executing a bash script or a c binary on a file system with noexec option

How to change time zone in a bash script?

Cron job not saving

Can a program run in kernel mode?

Running a command without ./

What causes /proc/<pid>/* resources to become owned by root, despite the procs being launched as a normal user?

Linux shell script: Run a program only if it exists, ignore it if it does not exist

cd ~<user> is possible but why can't we cd ~"$USER" or cd ~${USER}

Are chained commands atomic?

How do I grep for this "^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@" from a file?

What are ways to encrypt a password inside an environment variable

sed -e 's/^[0-9]//' does not work for the first line

Is there a netcat like utility that uses unix sockets?

Why is my DAD slow?

Is it possible to modify a file in a read only directory?

mv deleted my directory. Why?

Use two different ip addresses per host in SSH

Can't start OpenVPN

Why can't I authenticate a curl request when piping to less or more?

How to route traffic through different proxy servers based on destination

chmod doesn't work on Mac

Why is the range of load average not 0-1+ for all cpu's together?

Blocking SSH Brute Force attacks on IPv6

Is clearing a full swap necessary / wise?