Search found 401 matches

by drk
2019/11/26 04:33:32
Forum: CentOS 8 - Networking Support
Topic: Stupid nmtui questions
Replies: 1
Views: 216

Re: Stupid nmtui questions

Press the spacebar
by drk
2019/11/22 03:26:54
Forum: CentOS 6 - General Support
Topic: Configuring host and virtual mboxes/domains with IMAP
Replies: 6
Views: 549

Re: Configuring host and virtual mboxes/domains with IMAP

Pssst, CentOS 6 was released July 10, 2011 :roll:
by drk
2019/11/16 03:09:48
Forum: CentOS 7 - Software Support
Topic: Using Postfix
Replies: 2
Views: 607

Re: Using Postfix

You have control of both sides of that equation and the answer will be in the logs.

But, sending directly from an AWS instance? I'd expect you to be blocked by a lot of mail servers unless you go through Amazon's smtp outs.
by drk
2019/11/15 05:45:40
Forum: CentOS 7 - General Support
Topic: Installing multiple servers on a CentOS operating system
Replies: 3
Views: 220

Re: Installing multiple servers on a CentOS operating system

and you can use LVMs for your storage backing in KVM.
by drk
2019/11/14 03:32:58
Forum: CentOS Social
Topic: Copy on file with multithread
Replies: 17
Views: 1695

Re: Copy on file with multithread

When I transfer files I use pigz to compress the data and then pipe that through ssh $ tar cf - filename(s) | pigz | ssh -oCompression=no user@remote "cd /destination/directory && tar xvzf -" Usually more than one file, so tar, but tar also keeps permissions etc on the receiving machine. That gets m...
by drk
2019/10/30 05:08:42
Forum: CentOS 7 - Security Support
Topic: How can I record all login attempts?
Replies: 11
Views: 2111

Re: How can I record all attempted login attempts?

How about

Code: Select all

# last -f /var/log/btmp
that shows all bad logins via ssh on CentoS6,7,8 on systems I've looked at.
by drk
2019/02/14 05:27:29
Forum: CentOS 7 - General Support
Topic: hardware properties
Replies: 5
Views: 572

Re: hardware properties

dmidecode too
by drk
2018/12/24 07:09:44
Forum: CentOS 7 - General Support
Topic: SSH fails after Port change on CentOS 7
Replies: 2
Views: 424

Re: SSH fails after Port change on CentOS 7

Check the output of:

Code: Select all

semanage port --list | fgrep ssh
if it doesn't include your new sshd port then semanage is the command that you use to add it.
by drk
2017/12/11 02:15:59
Forum: CentOS 7 - General Support
Topic: IOMMU: Enable or Leave Disbled in BIOS
Replies: 4
Views: 18077

Re: IOMMU: Enable or Leave Disbled in BIOS

Finally if I ENABLE it in BIOS without doing anything else -- just ENABLE it -- will it screw something else up when I reboot the machine -- a situation I dearly would love to avoid, as I've spent a fair amount of time configuring the machine so there are no conflicts and modifying some scripts. Ma...
by drk
2017/09/22 04:32:55
Forum: CentOS 6 - General Support
Topic: Ubuntu to CENTOS6.8 command translation
Replies: 6
Views: 6898

Re: Ubuntu to CENTOS6.8 command translation

Now i only need to translate these 3 commands for centos 6.8
...and update that to CentOS 6.9 :)

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