System Administration - Tips, Guidelines, HowTo's

System Administration
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on 04th July 2013 / by sandeep.sasikumar
On certain servers, there are chances of our IP addresses getting blocked when we accidentally enter the wrong password multiple times or when we unintentionally try to ssh via the wrong port multiple times. The IP will be blocked for a certain period of time. If you have faced the same issue then read on to know how to block blacklisted IP addresses on a WHM based GNU/Linux server. Linux System Administration Server Administration WHM Network Security Web Security Leave a reply Your email address will not be published. Required fields are marker * Alaa (not verified) access_time 18 Jul 2019 - 11:01 Thanks for the info. Anonymous (not verified) access_time 18 Jul 2019 - 11:01 i am using putty but not working my ip. Anonymous (not verified) access_time 18 Jul 2019 - 11:01 This is just what i have been looking for long. Got most of my routers ip blacklisted on whm. I read the tute, logged in the vps and cleared them up. Thanks Michelle (not verified) access_time 18 Jul 2019 - 11:01 It seems this normally happens when you make a change to a website or email on a diffrerent i.p. Either way thanks for the help. Jeffery (not verified) access_time 18 Jul 2019 - 11:01 May I know how to remove our IP from the Gmail blacklist? I need to know the reason why I was blacklisted. Here is my blog maxautoglass.com and I need help to configure a static IP address from Windows 7. Add new comment
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on 16th November 2012 / by sandeep.sasikumar
If you own a website then there is a good chance that you are using cPanel. cPanel provides an graphical user interface to manage a Unix based web hosting account for everyone involved in it. If you want to know how to create a new cPanel account in WHM then continue reading. Linux System Administration Server Administration WHM cPanel Leave a reply Your email address will not be published. Required fields are marker *
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on 12th October 2012 / by sandeep.sasikumar
The command "setfacl" refers to Set File Access Control Lists and "getfacl" refers to Get File Access Control List. Each file and directory in a Linux filesystem is created with a specific set of file permissions for its access. Each user can have different set of file access permissions. The permissions can be set using the setfacl utility. In order to know the access permissions of a file or directory we use getfacl. The getfacl command displays the access permissions of files and directories with file name, owner, group and the ACL's(Access Control List). When we create a directory it is created with a default set of access permissions and by using getfacl we will be able to see the access rights. Linux System Administration Linux Shell Linux Terminal Security Leave a reply Your email address will not be published. Required fields are marker * ts (not verified) access_time 18 Jul 2019 - 17:38 The above command: getfacl x | setfacl -R –setfile = -y must reaad like this to work: getfacl x | setfacl -R –setfile=- y TS (not verified) access_time 18 Jul 2019 - 17:38 Forget about my previous post. This is the correct syntax now getfacl x | setfacl -R –set-file=- y anju rohilla (not verified) access_time 18 Jul 2019 - 17:38 when we run the command like this # setfacl -m u:anju:rw- /html where anju is a user and html is a file in /. then it changes the acess of the for group not for the user,why? Add new comment