Principles of Computer Networks - كتاب مبادئ شبكات الكمبيوتر
كتاب مجانى مفيد جدا اذا كنت تنوى دراسة الشبكات و التعرف عليها او دراسة الشهادات المهنية من سيسكو او لينوكوس أو مايكروسفت أو غيرها…
Let's Flashback - Fedora 27 Gnome Flashback
As an old Linux user, I used to hate Gnome 3/Gnome shell look. It as too much for a desktop environment. If you want just a fast and simple desktop, so gnome-flashback is one of them. First, enable yselkowitz copr repository $ sudo dnf copr enable yselkowitz/gnome-flashback Then install…
Reset Ghost Password
If you didn't setup SMTP for Ghost and lost your password, you can configure an external SMTP to receive the Password reset email, or reset the password using MYSQL. Setting up MailGun MailGun a powerful service that you can setup as an alternative to setting up an SMTP service on…
Get SSL information using the command line
To get SSL information using the command line, you can use openssl s_client , cURL, or Nmap. These are useful to check, verify and diagnose SSL issues from the command line: cURL: curl -Iv https://apple.com -I for the header, and -v for verbose OpenSSL: openssl s_client -showcerts…
Managing VMware Workstation under Linux from Command line without GUI
<< More Gists: https://gist.github.com/MinaMikhailcom >> * To runs a VMware guest without GUI: vmrun -T ws start /path/to/vm.vmx nogui * To stop a virtual machine: vmrun -T ws stop /path/to/vm.vmx nogui * Pause: vmrun -T ws pause /path/to/vm.vmx nogui * Unpause: vmrun -T…
pfSense rules, Snort, pfBlokerNG. Tips, Notes, and Insights.
Firewall rules order: Firewall rules work in orders from the top to bottom if a connection matched a rule no further checks will be made. For example: if you have two rules, one to block all connections to 5358 TCP/UDP port on the top and another one to allow…
Dual boot FreeBSD and OpenBSD
One of the simple solutions to have a dual boot of FreeBSD and OpenBSD is to use boot0 (man 8 boot0cfg) boot manager. Running: boot0cfg -B ada0 (Where ada0 is the first hard disk) From FreeBSD or OpenBSD or bootable CD/USB (Helpful if one system overwrites the other boot…
ClamAV Unofficial Signatures Installation and configuration
ClamAV Unofficial Signatures Updater is a script made to empower Clamav antivirus database signature by making it download additional virus signatures from third parties and automatically updates these signatures. The signature databases provided by Securiteinfo (2.500.000 Sig), Sanesecurity (100.000 Sig), MalwarePatrol (90.000 Sig), FOXHOLE, OITC (60.…