Enable FIPS Mode on SLES 15 and Verify the Boot State
Follow SUSE’s SP7 procedure to enable FIPS mode, reboot safely, verify the active policy, and check whether your compliance requirement calls for validated modules.
When you send a message to someone, you will initially see the blue circle icon on the white background
, then the blue circle on the white background with the blue tick inside and then it changes into a green background circle, traces white
... Have you ever wondered what these icons in Facebook Messenger mean? Perhaps many people find them quite confusing. Therefore, download.vn will help you explain the meaning of each symbol.
This icon means your message is being sent. At this point, it is best to keep the application open, do not exit Facebook Messenger or return to the home screen or sending messages will have problems.
When this icon appears, your message has been sent but the recipient has not seen it, maybe they are not online or not connected to the network. You can navigate to another page without worrying about lost messages.
This icon appears when your message has been sent successfully, the opponent has received the message but has not yet viewed it. They will see your message whenever they use your phone, tablet or computer.
A red triangle with an inner white exclamation mark appears if your message cannot be sent due to an Internet connection loss.
A message will appear next to this triangle icon “ This message didn't send. Check your internet connection and click to try again ”(ie this message could not be sent. Please check your Internet connection and click to resend) . At this point, if you navigate away from the site without an Internet connection, the message will be lost. To keep the message from going away, save a copy of the offline message.
If someone has viewed your message on Messenger, a circle with their avatar will appear directly below the last message they read. In addition, you may also see the word " Seen " (or Seen ) displayed under the message.

Facebook has a feature that allows you to mark messages as unread. This makes many people think that they can read the messages that the senders still think they have not read. Sorry, this thought is completely wrong. When you have clicked on the message, as mentioned above, an avatar image will appear immediately below the message and notify the sender that you have read their message. This feature is immutable and you cannot retract the read icon.
At this point, the only way you can use 3rd party tools in the browser to avoid the enemy knowing you have seen the message. Or the best way is not to open the message to read.
Facebook has also changed the way strangers can send messages to you. Now, if a stranger sends a message, three things will happen:
The " Message waiting " section is an update to the Other (Other) section of the inbox in the old version of Facebook Messenger.
There are 4 ways to hide or delete messages on Messenger:
You can refer to : How to delete messages on Facebook Messenger
Initially, Messenger was intended to work on the Facebook platform, but it can now act as a standalone messaging app, as long as you provide a phone number.
While many users have had problems with Messenger permission requests, it is still one of the most used messaging apps available today. Currently Facebook Messenger has more than 1.3 billion monthly users and you can almost contact the person you want at all times, in many forms such as messaging, voice calling or video calling.
However, if you do not like, you can choose for yourself another messaging application among countless options like Viber , Skype , Whatsapp ...
Follow SUSE’s SP7 procedure to enable FIPS mode, reboot safely, verify the active policy, and check whether your compliance requirement calls for validated modules.
Compare YaST and cryptsetup for a new encrypted SLES data volume, choose LUKS1 or LUKS2, and verify unlock and mount behavior safely.
Create, refine, and verify a least-privilege AppArmor profile on SLES 15 SP7, with a clear note on SLES 16’s SELinux default.
Set up RMT on SLES 15, mirror entitled repositories, and verify HTTPS registration and package access from a test client.
Connect SLES 15 to AD with YaST’s SSSD-based logon management, then verify directory lookup, domain login, and Kerberos tickets.
Set up the right Live Patching path for SLES 16.0 or 15 SP7, apply eligible kernel fixes, and confirm what is active without confusing it with a reboot-required kernel update.
Load a custom SLES 15 kernel module without disabling Secure Boot. Match the running kernel, sign the .ko file, enroll a MOK key, and verify loading.
SLES 15 SP5 can migrate online to SP6, but each node must reboot. Use a tested rolling upgrade or blue-green cutover to keep workloads reachable.
Use SUSE’s supported STIG profile to scan SLES 15, test remediation, review remaining findings, and retain assessment evidence.
Trace a failed Cockpit connection through DNS, port 9090, the systemd socket, firewalld, TLS, and login settings using current SUSE guidance.