From the category archives:
I‘m not told to use the root user to perform activities that do not require it. I’ve configured sudo for myself and for other web developers so that they can restart MySQL or Apache web server. How do I send email when sudo run by one of my user? How do I keep track of user login done via sudo command?
{ 4 comments }
What are TCP Wrappers? How do I find out if program / server / service is compile with TCP Wrappers? What are the advantages and disadvantages of TCP Wrappers over Firewalls like netfilter or pf? How do I protect my Mac OS X or Sun Solaris or Linux workstation using TCP Wrappers?
{ 4 comments }
We establish connections to remote systems without supplying a password, however I do not want to store my password less keys ( passphrase-free keys) on my servers. ssh-agent, takes care of keys with passphase, which allowing me to easily have ssh-agent process per system per login session. How do I dramatically reduces the number of times I’ve to punch my passphrase from once per new login session to once every time my local server is rebooted? How do I use keychain utility for all my backup scripts for secure passwordless login?
{ 3 comments }
How do I install OpenNTPD ( a Unix system daemon implementing the Network Time Protocol) to synchronize the local clock of a FreeBSD computer system with remote NTP servers called ntp.myisp.com?
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I‘ve multiple virtual domain hosted on CentOS Postfix server. How do I forward selected virtual domain email to yahoo / gmail or other email account using Postfix email server?
{ 2 comments }
There is no rc.d script provided under OpenBSD for sshd service. How do I restart OpenSSH sshd server without rebooting OpenBSD 4.x server?
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