Start MongoDB from command line
To start MongoDB from command line, run mongod –auth –dbpath /path/to/mongodb See MongoDB
linux
Install SSL Certificate on Zimbra mail server
To install SSL certificate for Zimbra Mail Server, login to server, switch to user zimbra Now create file commercial.key, paste your Private…
Change Linux user shell
To change shell for a user, run chsh –shell PATH_TO_SHELL USERNAME Example chsh –shell /bin/bash okadmin I will add a user, if…
Check if you are using 32 or 64 bit Linux
To identify if you are using 32 bit or 64 bit Linux OS, run command arch. boby@sok-01:~$ arch x86_64 boby@sok-01:~$ You can…
linux sound
aplay sudo alsa force-reload vi /etc/modprobe.d/alsa-base.conf Show Sound Devices boby@fwhlin:~$ cat /proc/asound/cards 0 [Intel ]: HDA-Intel – HDA Intel HDA Intel at…
Linux Commands
General System stracelsoflspci Networking nmtui – configure networking Disk/Storage blkid – show UUID for disks.vgcreate Load
strace: command not found
# strace -p 17723 -bash: strace: command not found # This is because strace not installed on the server. Install it with…
strace
strace command is used to trace system calls. This is useful to see what a process is doing. To see what a…
configure: error: can’t find pcap.h
When installing a software from source, i get error configure: error: can’t find pcap.h You’re not going to get very far without…
Scan a folder with clamscan
To scan a folder, run -r will scan sub folders too. To Scan a Folder (Only Show Infected) To exclude a folder…
clamav
Install clamav on Ubuntu Scan a folder with clamscan Install clamav Antivirus on CentOS 7 How to install ClamAV on cPanel Server
Install clamav on Ubuntu
clamav is a free open source antivirus. To install clamav on Ubuntu/Debian, run apt install clamav -y To update ClamAV virus definitions,…