Linux, DevOps, Middleware and Cloud

What Is SSHFS? SSHFS stands for ( Secure SHell FileSystem ) client that enable us to mount remote filesystem and interact with remote directories and files on a local machine using SSH File Transfer Protocol ( SFTP ). SFTP is a secure file transfer protocol that provides file access, file transfer and file management features over Secure Shell protocol. Because SSH uses encryption while transferring  files over the network from one computer to another computer and SSHFS comes with built-in FUSE ( Filesystem in Userspace ) kernel module that allows any non-privileged users to create their file system without modifying kernel code. Before we move further with the installation process , We’d like to tell you that the below installation also works on all RedHat based distributions like RHEL 6.3/6.2/6.1/6/5.8 , CentOS 6.3/6.2/6.1/6/5.8 and Fedora 17,16,15,14,13,12 . Install SSHFS in RHEL, CentOS and Fedora Step 1: Installing SSHFS By default sshf...

Recently I got some issue with Sendmail. When I tried to check mail queue, then it throw me following error. /etc/mail/sendmail.cf: line 91: fileclass: cannot open '/etc/mail/local-host-names': World writable directory e.g. [root@test ~]# mailq /etc/mail/sendmail.cf: line 91: fileclass: cannot open '/etc/mail/local-host-names': World writable directory /etc/mail/sendmail.cf: line 588: fileclass: cannot open '/etc/mail/trusted-users': World writable directory As Error clearly incdicate that mentioned file have write access for other and group as well and need to change permission for this. So just change permissions and restart sendmail service as below : $su (If you not login with root) #chmod go-w / #chmod go-w /etc #chmod go-w /etc/mail #service sendmail restart [root@test ~]# mailq                 /var/spool/mqueue (5 requests) -----Q-ID----- --Size-- -----Q-Time----- ------------Sender/Recip...