GEEKS !! Here is a small trick for sudo. Enforcing and controlling that on which sudo commands user is supposed to re-authenticate and which commands can be run without re-authenticating himself. One option… Continue reading
GEEKS !! You all had been using ssh authentication keys since your RHCE Training days and even during your RHCSS Training. We all know that ssh authentication keys can be used to login… Continue reading
GEEKS !! I know you all have learned and mastered Access Control List (acl) using getfacl and setfacl during your RHCE Training days. Even those who had done RHCSS Training had also used it to great extend.… Continue reading
GEEKS !! Here comes a very interesting tip / hack on Linux. Here is how we can block any (read any) USB storage device connecting to your Linux Box. There are couple of… Continue reading
GEEKS !! Here comes a very simple but really time saving tip related to yum. I know we all have very sharp memories, but sometimes we can forget the package name associated with… Continue reading
GEEKS !! You are using useradd command since your early Red Hat Linux Training days create new user accounts on Linux machines. Using useradd command is very is simple. Just give username as its argument… Continue reading
GEEKS !! You had configured Apache server during your RHCE Training and your RHCSS Training, as its a integral part of Red Hat Linux Training. I know you know Apache. You know the… Continue reading
GEEKS !! Welcome Monday, seems to be sarcastic. But here comes a very small tip on vim editor or vi editor on Linux. You all are using vim since your early days of exploration with Linux, like… Continue reading
GEEKS !! There is no better way to start your Sunday with a little Linux. I was feeling lazy to record a video, so sharing it with text. Those who had done rhce training or rhcss… Continue reading
