Replace old text with new text Linux Command
[root@srv01 demo]# grep -rl ‘from test old’ . | xargs sed -i ‘s/from test old/from test new/g’
I noticed that on my CentOS 6 box, I was still running nginx 1.0.15. I wanted to upgrade to nginx 1.10.1. However, when I ran sudo yum update nginx, it showed that there were no Packages marked for Update. Luckily, getting the latest version through Yum is straight-forward and only requires adding a new repo….
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Performing a MySQL Database Dump From your SSH command prompt type … mysqldump -u {username} -p {password} {databasename} > {databasename.sql} Replace the parameters with the appropriate values {username} – this is your database username {password} – this is the password for your database {databasename} – the name of your database {databasename.sql} – the file to…
While the mailserver generally requires little interaction for those sending or receiving average volumes of email, there may be times when you wish to manage Exim’s settings. To do so, first log in to your server in a terminal client using secure shell (SSH). Use the following commands to work with Exim. Display the number…
Question How to configure the passive ports range for ProFTPd on a server behind a firewall? Answer Note: When configuring the passive port range, a selected port range must be in the non-privileged range (e.g., greater than or equal to 1024). It is strongly recommended that the chosen range should be large enough to handle…
About the TLS Extension Server Name Indication (SNI) When website administrators and IT personnel are restricted to use a single SSL Certificate per socket (combination of IP Address and socket) it can cost a lot of money. This restriction causes them to buy multiple IP addresses for regular https websites from their domain host or…