Category: Linux

How to Install the latest OpenSSL version from Source on Linux (Debian)

In this tutorial, I will show you step by step how to install the latest stable OpenSSL version from source on Debian servers.

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Fixing postfix and saslauthd: cannot connect to saslauthd

If you are having issues getting postfix email server to authenticate with saslauthd, your solution might be found in a missing symlink. Remember that postifx runs in a chroot environment. Continue reading “Fixing postfix and saslauthd: cannot connect to saslauthd”

Otkriveni propusti u Intelovim čipovima i čipovima drugih proizvođača

Ozbiljni sigurnosni propusti na računarskim procesorima Intela i drugih proizvođača čipova mogli bi da omoguće zloupotrebe lozinki i drugih osetljivih podataka iz memorije sistema, saopštili su stručnjaci tehnološke kompanije Gugl. Continue reading “Otkriveni propusti u Intelovim čipovima i čipovima drugih proizvođača”

Let’s Encrypt – open source SSL – enkripcija za DŽ

Internet prezentacije postaju sve više interaktivnije. Nekada su to bile fiksne strane, informativnog karaktera, sada sajtovi traže više akcija od strane korisnika. Neminovnost je da korisničke podatke treba zaštitii, a jedan od načina je upotreba SSL sertifikata. Continue reading “Let’s Encrypt – open source SSL – enkripcija za DŽ”

Scanning for malware with Linux Malware Detect (LMD)

Linux Malware Detect (LMD), also known as Maldet, is a malware scanner for Linux released under the GNU GPLv2 license. It is particularly effective for the detection of php backdoors, darkmailers and many other malicious files that can be uploaded on a compromised website. It will help you do detect infected websites and clean the infection, however securing the compromised user or website is still necessary to avoid re-infection. Continue reading “Scanning for malware with Linux Malware Detect (LMD)”

HowTo: Save A File In Vim / Vi Without Root Permission

This happens lot of times. I login as a normal user and start to edit httpd.conf or lighttpd.conf or named.conf in vim / vi text editor. However, I’m not able to save changes due to permission issue (all config files are owned by root). How do I save file without creating a temporary file (/tmp/httpd.conf) and then move the same (mv /tmp/httpd.conf /etc/httpd) as root using vim / vi itself? Continue reading “HowTo: Save A File In Vim / Vi Without Root Permission”