Hardware

USB_PEN=/dev/sdc
URL=https://www.memtest.org/download/v6.00b1/mt86plus_6.00b1_64.iso.zip 
wget -q ${URL} -P /tmp/
unzip  /tmp/mt86plus_6.00b1_64.grub.iso.zip -d /tmp/
dd if=/tmp/mt86plus_64.iso of=${USB_PEN}

wakeonlan -i 192.168.2.255 00:11:22:33:44:55

stress --cpu 8 --io 8 --vm 2 --vm-bytes 2048M --hdd 4 --timeout 3600s

smartctl -a -d megaraid,0 /dev/sda

sudo apt install -y bc smartmontools --no-install-recommends
 
echo "Total GB written: $(echo "scale=3; $(sudo /usr/sbin/smartctl -A /dev/sda | \
    grep "Total_LBAs_Written" | awk '{print $10}') * 512 / $((1024*1024*1024))" | bc)"

bonnie++ -f -u root -d /mnt -r 4g -s 256g -n 512
cat bonnie.out.csv | bon_csv2html > bonnie.out.html

160GB FUJITSU MHW2160B,4G,37442,77,37637,9,19241,4,45381,76,46092,6,139.7,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++
160GB ST9160310AS,4G,45247,91,46763,11,23317,4,53899,89,52040,6,198.9,0,16,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++,+++++,+++

fio --rw=randrw --name=test --size=16M --bs=4k --direct=1 --numjobs=1024
fio --rw=readwrite --name=test --size=16M --direct=1 --bs=4k --numjobs=128 --group_reporting --runtime=10 --time_based | grep iops

cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies

# read only
badblocks -wv /dev/sdb -b 4096
 
# write (destory all data)
badblocks -svw -b 512 -c 65536 /dev/sdb -o badblocks.out
badblocks -b 4096 -c 32768 -t ${PATTERN} -w -f ${DEVICE} 
 
# mark sectors as unusable
fsck -l badblocks.out /dev/sdb

echo HOST: $(hostname -f)
echo CPU: $(cat /proc/cpuinfo  | grep "model name" | head -1 | cut -d":" -f2)
echo Cores: $(cat /proc/cpuinfo | grep processor | wc -l)
 
# cpu
openssl speed
time echo "scale=5000; 4*a(1)" | bc -l
 
# generate inventary
rm /tmp/hwlist.out
IFS=$(echo -en "\n\b")
for HOST in $(wget -q http://auth.example.com/agent/pawkon/accounts -O - | cut -d "@" -f2 | sort -u); do
    TYPE=$(ssh ${HOST} -o ConnectTimeout=3 dmesg | grep -i xen 1>/dev/null && echo XEN || echo PHY)
    DIST=$(ssh ${HOST} -o ConnectTimeout=3 lsb_release -cs 2> /dev/null)
    [ -z ${DIST} ] && DIST=$(ssh ${HOST} -o ConnectTimeout=3 cat /etc/apt/sources.list 2> /dev/null | grep main | head -1 | cut -d" " -f3)
    CORE=$(ssh ${HOST} -o ConnectTimeout=3 cat /proc/cpuinfo | grep processor | wc -l)
    CPU=$(ssh ${HOST} -o ConnectTimeout=3 cat /proc/cpuinfo | grep "model name" | head -1 | cut -d ":" -f2 | sed "s/[ ][ ]*/ /g")
    RAM=$(ssh ${HOST} -o ConnectTimeout=3 free -m | head -2 | tail -1 | sed "s/[ ][ ]*/ /g" | cut -d" " -f2)
    LOAD=$(ssh ${HOST} -o ConnectTimeout=3 cat /proc/loadavg | cut -d" " -f1,2,3 2> /dev/null)
 
    printf "%-51s: %-4s %-10s %-10s %-3s %-45s %s\n" ${HOST#*@} ${TYPE} ${DIST} "${RAM} MB" "${CORE} Cores" ${CPU} ${LOAD}| tee -a /tmp/hwlist.out
done
 
# hdd (with signature)
dd if=/dev/zero of=testfile bs=512 count=100000 oflag=direct | md5sum
dd if=/dev/zero of=testfile bs=512 count=100000 oflag=dsync | md5sum
dd if=/dev/zero of=testfile bs=1G count=4 oflag=direct | md5sum
dd if=/dev/zero of=testfile bs=1G count=4 oflag=dsync | md5sum

# get available governors
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
 
# get current governor
cat  /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor 
 
# set governor
echo performance | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
 
# show CPU frequency
watch -n 0.5 "cat /proc/cpuinfo | grep MHz"

echo "0bc2:ab28:u" > /sys/module/usb_storage/parameters/quirk

apt install g810-led
g810-led -a 006666

# folder on USB pen
/PS4/UPDATE/PS4UPDATE.PUP

apt install hwloc-nox
lstopo

usbreset 0d8c:0102

# lsusb
Bus 003 Device 059: ID 17e9:6000 DisplayLink USB 3.0 Dual 4K Displayport adapter
 
sudo ./displaylink-driver-5.5.0-beta-59.118.run

sudo screen /dev/ttyUSB0 9600
 
# Reset/Recover lost/Unknown iLOM password for SPARC T4-2
https://solarisway.wordpress.com/2013/06/15/resetrecover-lostunknown-ilom-password-for-t4-1/
login: default
Press and release the physical presence button
> press phisical presence button on the back of the server (right hole)
> press ENTER
Type the password for the default user account: defaultpassword
 
# Reset the SP to Default Values
https://docs.oracle.com/cd/E23075_01/html/E23076/z4000d791391870.html
set /SP reset_to_defaults=factory
stop /SYS
reset /SP
> or disconnect server from power and restore power
 
# show hardware details
show /System
show /System/Memory/
show /System/Processors/CPUs/CPU_0
 
# show hardware problems
show /System/Open_Problems
 
# console
start /SP/console
 
start /SP/faultmgmt/shell
fmadm repaired  /SYS/MB/CMP1/MR1/BOB1/CH0/D0
# default password
root
changeme

user: root
pass: 1234
 
ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -oPubkeyAcceptedKeyTypes=+ssh-rsa -oHostKeyAlgorithms=+ssh-rsa -c aes128-cbc root@192.168.178.53

sudo apt install -y f3
 
# sudo umount /dev/mmcblk0p1
# sudo parted /dev/mmcblk0 -s rm 1
# sudo parted /dev/mmcblk0 -s mklabel msdos
# sudo parted /dev/mmcblk0 -s mkpart primary fat32 0% 100%
# sudo mkfs.vfat /dev/mmcblk0p1
# sudo mount /dev/mmcblk0p1 /mnt
 
sudo f3probe --destructive --time-ops /dev/mmcblk0
 
sudo f3write /mnt
sudo f3read /mnt

# use /dev/sgX device
sg_format -v --format --size=520 /dev/sg2
sg_format /dev/sg2
sg_format -v --format --size=512 /dev/sg2
# reinsert disk or rescan controller
 
./setblocksize -b512 /dev/sg2