FreeBSD portmanager command gives out more information about package progress and names on the title bar:
(Fig. 01: FreeBSD port collection management just got better)
Sun introduced rm -rf / protection (the worst mistake you can make on any UNIX box) in to Solaris 10. Upon executing the command, the system now reports that the removal of / is not allowed.
rm of / is not allowed
Linux kernel now hides passwords and username into the process list. Consider the following example,
$ ncftp -L -u 'vivek' -p 'MyPassWord' ftp.nixcraft.com
If anyone run ps -aux, they will only see:
vivek 17066 0.0 0.0 4640 1904 pts/0 Ss 10:53 0:00 bash
vivek 17070 0.0 0.0 3708 1168 pts/0 S+ 10:54 0:00 ncftp -L -u ******* -p ******** ftp.nixcraft.com
Sweet 🙂 Have you noticed any new UNIX command enhancements lately?
- RSS feed or Weekly email newsletter
- Share to Twitter • Facebook • 0 comments... add one ↓
FreeBSD Update Software and Apply Security Patches
Linux / Unix ncftp: Upload Directory Tree To Remote FTP Server Recursively
40 Linux Server Hardening Security Tips [2019 edition]
Linux 25 PHP Security Best Practices For Sys Admins
Test If Linux Server SCSI / SATA / SSD Hard Disk Going Bad
Linux: Configure MySQL Database Server
30 Linux System Monitoring Tools Every SysAdmin Should Know
| Category | List of Unix and Linux commands |
|---|---|
| File Management | cat |
| Firewall | CentOS 8 • OpenSUSE • RHEL 8 • Ubuntu 16.04 • Ubuntu 18.04 • Ubuntu 20.04 |
| Network Utilities | dig • host • ip • nmap |
| OpenVPN | CentOS 7 • CentOS 8 • Debian 10 • Debian 8/9 • Ubuntu 18.04 • Ubuntu 20.04 |
| Package Manager | apk • apt |
| Processes Management | bg • chroot • cron • disown • fg • jobs • killall • kill • pidof • pstree • pwdx • time |
| Searching | grep • whereis • which |
| User Information | groups • id • lastcomm • last • lid/libuser-lid • logname • members • users • whoami • who • w |
| WireGuard VPN | CentOS 8 • Debian 10 • Firewall • Ubuntu 20.04 |