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Top Questions

10 votes
4 answers
3k views

How to find what is wearing out my SSDs

6 votes
6 answers
2k views

Questioning why LVM for the OS Disks in cloud environments is not recommended

2 votes
2 answers
2k views

Is it normal for secure erase of an SSD to take only a couple of seconds?

3 votes
1 answer
599 views

Restrict User in an AD group from logging on to computers but allow them to use their windows credentials to log on to a webapp

0 votes
3 answers
161 views

Why a CNAME cannot exist with other records that have the same name as the CNAME?

2 votes
1 answer
820 views

Is there a way to slow down an SSD trim so it doesn't affect the drive's read performance while it is in progress?

0 votes
4 answers
159 views

How to confirm SSL certificate expiration date on an API site?

3 votes
1 answer
254 views

esxi virtual machine ’s storage usage exceed 30% than it was allocated

2 votes
1 answer
223 views

Postfix not updating Let's Encrypt certificate

4 votes
2 answers
168 views

Is there a limit of TCP sessions in state TIME_WAIT in Windows?

2 votes
1 answer
256 views

Problems with Windows Hello for Business in hybrid Cloud Trust scenario, but only on Windows 10

0 votes
1 answer
244 views

How to determine what is causing my node server with nginx to crash at high request rate?

3 votes
2 answers
67 views

Moving VHDX file attached to Failover Cluster "iSCSI Target" role with no downtime?

0 votes
1 answer
107 views

Why is Ubuntu 22 still permitting login as root?

0 votes
1 answer
122 views

How can I reload or stop the nbd-server?

0 votes
0 answers
329 views

Apt issues on Ubuntu 24.04 with noble-backports source

0 votes
2 answers
190 views
+100

554 5.7.1 Relay access denied - cant send mails

1 vote
3 answers
104 views

What is the role of Subject Name (SN) / Subject Alternative Name (SAN) in Microsoft Public Key Infrastructure (PKI)?

2 votes
1 answer
169 views

how to handle ssh certificate based authentication from one region to another with certificate validity time?

3 votes
1 answer
159 views

How to change the SSH server port on Ubuntu?

-3 votes
1 answer
121 views

Route traffic for 10.0.0.0 network to a different router

0 votes
0 answers
246 views

Catch-all rule for subdomains in Windows Server DNS

1 vote
4 answers
140 views

NFS and ACLs in a Kerberos context on Rocky Linux 8.9

2 votes
1 answer
109 views

Strugling with delegating a subnet 192.168.0.0/27

0 votes
1 answer
103 views

When transfering a RAID array to new computer, do the RAID adapter drivers need to be the same?

-1 votes
1 answer
62 views

Move domain without affecting email service [closed]

2 votes
1 answer
79 views

Cannot connect to ESXi after removing uplink from vSwitch

1 vote
2 answers
130 views

Systemd user timer lost on reboot

0 votes
1 answer
214 views

How to upgrade Ubuntu 23.04 to 23.10 when do-release-upgrade blocks due to grub issue

3 votes
1 answer
101 views

Load balancer with HAProxy

1 vote
1 answer
156 views

Nginx 1.26: can HTTP3 coexist with HTTP2?

0 votes
0 answers
197 views

Failed to download metadata for repo 'baseos' centos 9

0 votes
1 answer
92 views

SPF record is set, but mail testers are giving me high severity risk

1 vote
1 answer
115 views

Ubuntu Static Public IP not working (22.04)

0 votes
0 answers
189 views

Extract option missing from Files (Nautilus) after upgrade/conversion to AlmaLinux

-1 votes
4 answers
88 views

What is the preferred way to block an IP address or range? [closed]

2 votes
1 answer
144 views

ethool -m text output incomplete, but complete as hex

0 votes
2 answers
141 views

Nginx unable to find new certificate

0 votes
1 answer
83 views

Apache reverse proxy at /home-assistant path still loads resources from /

0 votes
1 answer
106 views

Cant ssh to my server

1 vote
1 answer
135 views

Exchange Hybrid mode - The value [ArchiveGUID] of property "ArchiveGuid" is used by another recipient object. Please specify a unique value

0 votes
1 answer
170 views

Where do I add SPF and DMARC records? [closed]

0 votes
1 answer
128 views

"Undelivered Mail Returned to Sender: DMARC check failed" from forwarded mails

-2 votes
2 answers
99 views

How to fit a 3U in a SysRack?

0 votes
1 answer
76 views

Domain inaccessible

0 votes
1 answer
124 views

What factors determine the TCP window size?

0 votes
2 answers
120 views

Reverse proxy for streamlit

0 votes
1 answer
87 views

ERR_SSL_PROTOCOL_ERROR when trying to tunnel IPv4 https traffic to a caddy server runing on an IPv6-only machine via socat


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