ZFS with native encryption

eduardo
24 Jan 2020

zpool create -o ashift=12 -O compression=lz4 -O dnodesize=auto -O normalization=formD -O relatime=on -O xattr=sa -O atime=off -O acltype=posixacl -O encryption=aes-256-gcm -O keylocation=prompt -O keyformat=passphrase tank0 mirror wwn-0x5000cca22dcbf093 wwn-0x5000cca22dd2fc89 mirror wwn-0x5000cca22dd31cdb wwn-0x5000cca22dd0624

xana-desktop vs server2

eduardo
15 Jan 2020

xana-desktop:

./cdm_fio.sh .
Testing in .
Configuration: Size:1024m Loops:2 Write Only Zeroes:0
Running Benchmark, please wait...

Results:

Sequential Read: 1564MB/s IOPS=1
Sequential Write: 1272MB/s IOPS=1

512KB Read: 4830MB/s IOPS=9660
512KB Write: 3016MB/s IOPS=6032

Sequential Q32T1 Read: 1915MB/s IOPS=59
Sequential Q32T1 Write: 1229MB/s IOPS=38

4KB Read: 486MB/s IOPS=124533
4KB Write: 198MB/s IOPS=50739

4KB Q32T1 Read: 56MB/s IOPS=14421
4KB Q32T1 Write: 1MB/s IOPS=297

perda elevada de pacotes na placa de rede NVIDIA Corporation MCP61 Ethernet (rev a2)

eduardo
11 Jan 2020

/etc/systemd/system/rc-local.service:

[Unit]
Description=/etc/rc.local Compatibility
ConditionPathExists=/etc/rc.local

[Service]
Type=forking
ExecStart=/etc/rc.local start
TimeoutSec=0
StandardOutput=tty
RemainAfterExit=yes
SysVStartPriority=99

[Install]
WantedBy=multi-user.target

systemctl enable rc-local
systemctl start rc-local.service
systemctl status rc-local.service

/etc/rc.local:

Samba4 Domain Password Policy

eduardo
8 Jan 2020

#Disable password expiration for the Administrator account.
samba-tool user setexpiry Administrator --noexpiry

#Show domain level password options.
samba-tool domain passwordsettings show

#Disable password complexity at the domain level.
samba-tool domain passwordsettings set --complexity=off

#Disable password history at the domain level.
samba-tool domain passwordsettings set --history-length=0

#Disable password min-age at the domain level.
samba-tool domain passwordsettings set --min-pwd-age=0

Subscrever