User Sreeraj

71 votes

4 answers

15k views

Why is `[` a shell builtin and `[[` a shell keyword?

asked Feb 9, 2015 at 7:00

26 votes

3 answers

121k views

Actual memory usage of a process

asked Oct 28, 2014 at 18:04

23 votes

1 answer

126k views

BOOTPROTO=none | static | dhcp and /etc/resolv.conf

asked Nov 10, 2014 at 10:41

12 votes

1 answer

35k views

recvmsg returns 'EAGAIN (Resource temporarily unavailable)'

asked Nov 19, 2014 at 16:21

12 votes

2 answers

23k views

How can I start a 'screen' session as non-root user

asked Oct 11, 2014 at 8:13

8 votes

2 answers

47k views

What does "task mysqld:xxx blocked for more than 120 seconds" mean?

asked Jan 28, 2015 at 7:06

7 votes

1 answer

7k views

SIGTERM not working occasionally

asked Dec 2, 2014 at 17:57

7 votes

3 answers

11k views

Display cron job times in a human-friendly format

asked Feb 19, 2015 at 7:46

6 votes

4 answers

13k views

How to find the process with maximum file descriptors?

asked Oct 21, 2014 at 12:57

5 votes

2 answers

18k views

Left and right square brackets treated differently by sed/bash

asked Nov 16, 2014 at 9:03

5 votes

1 answer

5k views

Stat, Blocks and Sector size - ext4

asked Oct 20, 2014 at 14:48

4 votes

0 answers

11k views

Unable to start network, <IP> is already in use for device eth0, but its not

asked Nov 9, 2014 at 19:04

4 votes

0 answers

3k views

Difference in space reserved for inodes in ext4 and XFS partitions

asked Sep 30, 2016 at 18:24

4 votes

1 answer

7k views

Correct way to create a blackhole account in Postfix

asked Jan 17, 2017 at 15:44

3 votes

3 answers

7k views

Characters visible in vi, but not in cat.

asked Feb 5, 2015 at 10:59

3 votes

1 answer

3k views

Running sudo restricted commands by creating soft link

asked Jul 16, 2015 at 10:34

3 votes

1 answer

1k views

Effects of SWAP failure

asked Oct 31, 2014 at 8:36

2 votes

0 answers

454 views

Do we need a separate Metadata server to use pNFS?

asked Aug 20, 2014 at 15:35

2 votes

1 answer

3k views

How to mark read mails as unread in Postfix

asked Nov 19, 2014 at 18:40

2 votes

1 answer

3k views

Opening files of size larger than RAM, no swap used.

asked Oct 24, 2014 at 9:46

2 votes

1 answer

2k views

A simple definition for Virtual Memory

asked Oct 27, 2014 at 10:35

2 votes

1 answer

2k views

How do I make my boot.log more verbose?

asked Nov 12, 2014 at 9:46

2 votes

3 answers

251 views

Assigning upper case variables to commands

asked Feb 18, 2016 at 5:09

2 votes

2 answers

3k views

Should I move a binary used by a non-root user from /usr/bin/ to /usr/local/bin/?

asked Jan 21, 2015 at 7:43

1 vote

1 answer

2k views

Granting read/execute permission for 'other users' in a directory tree

asked Jul 9, 2018 at 9:44

1 vote

1 answer

997 views

Log file rotation and compression interval

asked Mar 15, 2019 at 9:53

1 vote

1 answer

915 views

Find the kernel module printing the error message

asked Sep 11, 2020 at 7:30

1 vote

1 answer

1k views

Remove commented lines except one comment using sed

asked Jun 29, 2016 at 10:04

1 vote

2 answers

22k views

Using variable with awk -v in a shell script

asked Dec 10, 2014 at 10:03

1 vote

1 answer

1k views

Why cannot we kill a zombie? [duplicate]

asked Jan 4, 2015 at 8:29

Stack Exchange Network

37 Questions

Why is `[` a shell builtin and `[[` a shell keyword?

Actual memory usage of a process

BOOTPROTO=none | static | dhcp and /etc/resolv.conf

recvmsg returns 'EAGAIN (Resource temporarily unavailable)'

How can I start a 'screen' session as non-root user

What does "task mysqld:xxx blocked for more than 120 seconds" mean?

SIGTERM not working occasionally

Display cron job times in a human-friendly format

How to find the process with maximum file descriptors?

Left and right square brackets treated differently by sed/bash

Stat, Blocks and Sector size - ext4

Unable to start network, <IP> is already in use for device eth0, but its not

Difference in space reserved for inodes in ext4 and XFS partitions

Correct way to create a blackhole account in Postfix

Characters visible in vi, but not in cat.

Running sudo restricted commands by creating soft link

Effects of SWAP failure

Do we need a separate Metadata server to use pNFS?

How to mark read mails as unread in Postfix

Opening files of size larger than RAM, no swap used.

A simple definition for Virtual Memory

How do I make my boot.log more verbose?

Assigning upper case variables to commands

Should I move a binary used by a non-root user from /usr/bin/ to /usr/local/bin/?

Granting read/execute permission for 'other users' in a directory tree

Log file rotation and compression interval

Find the kernel module printing the error message

Remove commented lines except one comment using sed

Using variable with awk -v in a shell script

Why cannot we kill a zombie? [duplicate]