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F1Linux
  • Member for 5 years, 1 month
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3 votes
2 answers
2k views

Script a Github file download using curl where filename AND path are variable

3 votes
1 answer
2k views

Identify GSM Carrier of SIM Card Inserted into a Linux Host

3 votes
1 answer
1k views

Postfix PCRE maps broken in RHEL8: "error: unsupported dictionary type: pcre"

1 vote
1 answer
6k views

Upgraded Postfix and now seeing "discarding EHLO keywords: CHUNKING" in maillog

1 vote
2 answers
1k views

Let's Encrypt Certs Fail "openssl verify" Verification

1 vote
2 answers
814 views

How to show latest release's Git tag with message

1 vote
1 answer
4k views

Direct Serial Connection to a Router Using "screen" Command

1 vote
1 answer
2k views

Configuring Stub Resolver in RHEL 8: systemd-resolved not caching DNS queries

0 votes
1 answer
374 views

Use sed to append data BEFORE a closing double quote encasing a Path

0 votes
1 answer
536 views

sed: Change a variable-length numerical value for an indeterminate string

0 votes
1 answer
623 views

Gain shell access to Kubernetes pod

0 votes
1 answer
98 views

Determine the Cloud Platform Hosting a VM

0 votes
1 answer
4k views

Python errors in Postfix Policyd-spf config: "warning: problem talking to server private/policyd-spf"

0 votes
1 answer
2k views

How to Create a PTR Record for AWS Mailserver's Elastic IP Address

0 votes
1 answer
540 views

Auto Blacklisting in Postfix

-3 votes
1 answer
923 views

RegEx to Match *ONLY* IPv6 Global Unicast Addresses (GUA) from logs