5
votes
How do I move a Linux software RAID to a new machine?
Just wanted to add my full answer for Debian at least.
Install the raid manager via -->
sudo apt-get install mdadm
Scan for the old raid disks via -->
sudo mdadm --assemble --scan
At this point, I ...
5
votes
Accepted
NFS client fails with "Protocol not supported" even though the protocol is listed as available
Reboot server as per Zacq's comment
Not the solution anyone wants to hear on a production Proxmox server, but it works. There must be an /etc/init.d/[something] restart type fix.
Had exactly the ...
- 196
4
votes
Fail2ban does not ban any ip-adresses with vsftpd
vsftpd.log deny log looks like:
Wed Jun 29 14:57:37 2016 [pid 2517] [username] FTP response: Client "::ffff:192.168.0.100", "530 Permission denied."
and the default failregex WHICH isn't working in ...
- 41
3
votes
Accepted
Why shouldn't I use striping raid on the partition I boot from?
Because your boot loader (e.g. grub) won't know how to read from RAID-0 or RAID-5. Where did you find information that grub supports raid0?
You should have a small RAID-1 /boot partition.
UPDATE: I ...
- 4,165
3
votes
Accepted
5 seconds for hostname -f and a strange DNS request
The order in which DNS queries are resolved is based on the contents of /etc/nsswitch.conf. Specifically, the order of the options on the line for hosts
For example, this line will cause your machine ...
- 1,382
2
votes
How do I move a Linux software RAID to a new machine?
An issue with a 4 disk data Raid0 separate from the OS disk when updating the OS from CentOS 6.2 to CentOS 8.2 brought me here.
I was able to get use Avery's accepted answer above (https://serverfault....
- 21
2
votes
rsync 'cannot delete non-empty directory' errors, even with --force option
Use rules in filter files instead of --exclude. These allow you to mark excludes as "persihable", which will let you delete non-empty directories which contain excluded files.
See this answer for ...
- 4,452
2
votes
Accepted
ejabberd having issue about undefined function
Looking at https://github.com/processone/xmpp/issues/42
xmpp_idna was removed from xmpp library in a commit from 22 September 2019, as released in version 1.4.2:
https://github.com/processone/xmpp/...
- 610
2
votes
Accepted
After updating bind from 9.8 to 9.12, it does not start anymore with dnssec-validation auto
The error message
no crypto support
sounds like you missed a compile option.
Run emerge --info | grep ^USE. You should find ssl in there. If not, you have to add it:
Open /etc/portage/make.conf ...
- 25.1k
1
vote
How to assign an additional IP to loopback
I figured it out myself:
It is possible to add config_lo 10.172.17.1/32 to /etc/conf.d/net and then assign this additional IP by restarting the net.lo service with rc-service net.lo restart. However......
- 145
1
vote
Install Gentoo (Do you need Internet/Stage 3)
The installation CD is the base medium to bolt into in order to have all the necessary tools to reach the part of the install where you'll use the stage3 tarball.
The stage3 tarball is a precompiled ...
- 2,694
1
vote
Accepted
Postfix: newaliases fails at postfix service startup due to aliases.db permission problems
The Gentoo mail-mta/postfix package's systemd service unit includes hardening options by default which do indeed sandbox the service. Specifically:
ProtectSystem=full
ReadWritePaths=-/etc/mail/aliases....
- 2,694
1
vote
Squid proxy has extremely slow connections when there is some load
Ended up disabling IPv6, that seems to have solved the issue.
- 21
1
vote
Accepted
Curl does not fall back to ipv4
It appears that you are successfully connecting to the port via ipv6, per the following message:
* Connected to localhost (::1) port 8080 (#0)
Since the connection has entered the ESTABLISHED state, ...
- 222
1
vote
Accepted
Missing raid device in /dev/
I found the reason of this problem.
I installed LVM and I added dolvm flag to grub.cfg and everything started working properly. (I had domdadm flag already added to grub.cfg)
- 161
1
vote
Accepted
Can`t boot converted VM from KVM on VMware ESXI
The problem was ddb.adapterType parametr in vmdk file.
First of all we need to convert uploaded disk
vmkfstools -i /vmfs/volumes/datastore/DiskImage.vmdk -d thin /vmfs/volumes/datastore/DiskImage1....
- 89
1
vote
Run multiple PHP scripts through Monit
You can make a shell script that runs the PHP commands you need, and then you can invoke the shell script from Monit.
- 37.6k
1
vote
Fail2ban does not ban any ip-adresses with vsftpd
I think you have a typo in your jail.local. It's enabled = true not enable.
You should check your fail2ban.log that contains a line like:
INFO Jail 'vsftpd' started
- 202
1
vote
sshd ignores authorized_keys and keeps trying authorized_keys2
I had the exact same issue with the same message in the error log. However, it was due to a wrong username used when connecting to a server.
In other words, I was typing: ssh -i ~/.ssh/id_key myuser@...
- 173
1
vote
Virtualenv: Install python-ldap on gentoo
sudo emerge cyrus-sasl
sudo USE="minimal" emerge openldap
Now you can install python-ldap package from pip.
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