Convert SSL certificate into PFX format
To convert SSL certficiate into PFX format, run openssl pkcs12 -export -out certificate.pfx -inkey private-key.key -in certificate.crt -certfile ca-certificate.crt Example for SSL…
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Manage Linux Software Raid with mdadm
To assemble a software raid, run Auto assemble Get details about the raid
bluetooth
To list bluetooth devices on Ubuntu, run hcitool dev To list usb devices, run boby@sok-01:~$ lsusb Bus 006 Device 001: ID 1d6b:0003…
fuser
To instal fuser on CentOS 7, run yum install psmisc -y To see which program use a port, run fuser 80/tcp To…
umount /home device is busy
I wanted to unmount /home drive on a server. If any program is accessing the drive, you won’t be able to unmount…
Run a script on boot using systemd on Ubuntu 18.04
Previous versions of Ubuntu had /etc/rc.local. that get executed after system boot. On Ubuntu 18.04, you can use systemd to start a…
unknown filesystem type linux_raid_member
When i try mount a HDD, i get error root@super ~ # mount /dev/sda1 /mnt mount: /mnt: unknown filesystem type ‘linux_raid_member’. root@super…
Find all live hosts on your network
nmap can be used to get list of all devices on your network. To scan IP range 192.168.1.1 to 192.168.1.255, run nmap…
Analytics
Matomo is an alternative to Google Analytics. https://matomo.org http://www.openwebanalytics.com https://plausible.io/ – Open source github
Logging Modem logs to remote rsyslog server
My FTTH ONU have remote logging option, this allowes me to log to a remote server running rsyslog. On model, i set…