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inbound SMTP redirection services

Domain Hosting

Free DNS

Hurricane Electric

KVM VPS Hosting Options

How to choose, LowEndBox Deals (Twitter)

Optional Servers

qmail queue status

/var/qmail/bin/qmail-qstat

Corporate DNS Settings

To use OpenDNS... Primary: 208.67.222.222 Secondary: 208.67.220.220

Reconfigure and Reboot

signal-event post-upgrade
signal-event reboot

Apply All Updates

To apply all updates, including contribs, log on to server and run the following command:

yum update --enablerepo=smecontribs

To restore default Yum repositories and apply all updates:

cd /home/e-smith/db/
mv yum_repositories yum_repositories.po
/etc/e-smith/events/actions/initialize-default-databases
signal-event yum-modify
yum update

Manual SME Server backup

Reference

[root@earth /]# cat include.txt
home/e-smith
etc/e-smith/templates-custom
etc/e-smith/templates-user-custom
etc/ssh
root
etc/sudoers
etc/passwd
etc/shadow
etc/group
etc/gshadow
etc/samba/secrets.tdb
etc/samba/smbpasswd
[root@earth /]#signal-event pre-backup
[root@earth /]#tar -cz --totals -vvp --directory / --files-from=/include.txt -f /smeserver.tgz

Manual SME Server restore from "Backup to desktop" file.

Reference

After the backup file (smeserver.tgz) has been copied to the new server, on the new server do:

cd /
signal-event pre-restore
tar -C / -xzvf smeserver.tgz

If the Lets Encrypt Contrib is installed...

config setprop letsencrypt status disabled
config delprop modSSL crt
config delprop modSSL key
config delprop modSSL CertificateChainFile

Then...

/sbin/e-smith/signal-event post-upgrade
/sbin/e-smith/signal-event reboot

and after rebooting...

cd /
rm smeserver.tgz

May need to reconfigure server and set to a static external IP address!

Shrink Virtual Disk

How to shrink disk. Commands-1 Commands-2

Free SSL Certificates

Lets Encrypt SME Contrib

Fix 1 Fix 2 Fix 3

Update smeserver-letsencrypt

A full update can be done as follow :

yum update smeserver-letsencrypt dehydrated --enablerepo=smecontribs

It is important to do the usual...

signal-event post-upgrade; signal-event reboot

otherwise...

signal-event console-save

Failure to do this might leave the contribution not working and your certificates not renewed.

"The remote device or resource won’t accept the connection in Windows 10"

Try issuing the following at an administartive cmd prompt: gpupdate /force
Other things to try

"blk_update_request: I/O error, dev fd0, sector 0"

Usful commands

Command	Description
`df -h`	Disk usage
`free -h`	Memory usage
`ip address`	Display IP addresses and properties of all network interfaces
`ls -al /home/e-smith/db`	Show all available SME databases
`db configuration show` or `config show`	List everything in the configuration database
`db accounts show`	List user, group, and system accounts
`db hosts show`	List configured local network hosts
`db yum_repositories show`	List software repository configurations
`db networks show`	List network definitions
`db domains show`	List configured local network domains
`db domains set grafana.robinsonzone.org domain`	Create a new key in the domains database
`db domains setprop grafana.robinsonzone.org RequireSSL enable`	Add a property to the specified key
`db domains delprop grafana.robinsonzone.org RequireSSL`	Delete a property
`db domains delete grafana.robinsonzone.org`	Delete a key

VPN Options

WireGuard

Dual WAN

dd-wrt

Backup NBN

How do I Compress a Whole Linux or UNIX Directory?

To compress directory...
[root@luna ibays]# tar -zcvf nbn.tar.gz nbn_private/ nbn_public/ nbn_wiki2/
To list archive contents...
[root@luna ibays]# tar -tvf nbn.tar.gz
To remove archive...
[root@luna ibays]# rm nbn.tar.gz

Outlook.com Smart Network Data Services

logwatch

... to display qmail-send reports ...
logwatch --help
logwatch --service qmail-send --detail High --range Yesterday --output stdout

To override default qmail-send threshold create /etc/logwatch/conf/services/qmail-send.conf with line "$threshold = 1".