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26 votes
1 answer
29k views

How to rotate log based on an interval unless log exceeds a certain size?

23 votes
1 answer
53k views

Unable to resolve data corruption warning with fsck

12 votes
4 answers
68k views

How to configure a real domain name for sender address

6 votes
1 answer
13k views

Understanding the Apache server-status page [duplicate]

5 votes
1 answer
5k views

How to secure both root domain and wildcard subdomains with one SSL cert?

5 votes
1 answer
9k views

Understanding log messages from iptables

4 votes
4 answers
20k views

How to run a virtualhost 443 without an SSL cert?

4 votes
1 answer
2k views

Is there any proper documentation for mod-evasive?

4 votes
1 answer
18k views

Apache LocationMatch regex behaviour does not seem correct

4 votes
0 answers
377 views

Unable to match expression inside If directive no matter what

4 votes
1 answer
3k views

How to prevent logging of duplicated error messages in rsyslog?

4 votes
2 answers
1k views

Can I automate emailing of critical errors with systemd journal?

3 votes
2 answers
1k views

Why does the temperature in a pair of disks under RAID 1 showing a large temperature difference?

3 votes
1 answer
1k views

What does "link to unknown" mean?

3 votes
1 answer
5k views

How to sequence a proper shutdown and startup of web services with systemd?

3 votes
1 answer
876 views

Why do some outgoing IP traffic not contain UID information?

2 votes
2 answers
3k views

How to configure mod_evasive to show HTTP status 429 instead of 403?

2 votes
1 answer
1k views

Under what scenarios would Apache allow a mismatched HTTP_HOST to pass through?

2 votes
2 answers
385 views

What is the likelihood of data loss in a failed SSD vs HDD?

2 votes
1 answer
4k views

How to conditionally set php session cookie within php-fpm www.conf?

1 vote
1 answer
218 views

2 ips on 1 port vs 1 ip on 2 ports

1 vote
1 answer
7k views

How does loss of DWORD synchronization affect the health of an SAS disk?

1 vote
1 answer
2k views

Unable to change user in security context of symlink

1 vote
1 answer
3k views

How to allow cron to send an email attachment?

1 vote
1 answer
1k views

cron does not follow bash script's instruction to send mail conditionally

1 vote
2 answers
173 views

Is it necessary to specify server ip in the destination option of the iptables rule?

1 vote
0 answers
336 views

iptables: how to decide what to log for a web server?

1 vote
1 answer
1k views

What is the merit of logging SSL protocol and cipher?

1 vote
1 answer
310 views

How to prevent hotlinking for subdirectories only?

1 vote
1 answer
219 views

How to avoid PHP errors during server reboot?