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Backup and Restore PostgreSQL Databases
In this article we will show you the first and most important task every database administrator / sysadmins must master “Backup and Restore your databases”. We will show you how to backup and restore a single database, backup and restore all existing databases, compress your backups and finally split yourRead More
Sysadmins Most Used PostgreSQL Commands with Examples-Part 1
In this article we will show you how to manage postgresql database by using the most used basic commands used by every sysadmins when dealing with postgresql databases. Some of the open source application comes with postgreSQL database. To maintain those application, companies may not hire a full time postgreSQLRead More
Sysadmins Most Used PostgreSQL Commands with Examples-Part 2
In this article we will show you how to manage postgresql database by using the most used commands used by every sysadmins when dealing with postgresql databases. Some of the open source application comes with postgreSQL database. To maintain those application, companies may not hire a full time postgreSQL DBA.Read More
How to Mount S3 Bucket on Linux Systems using S3FS
In this article we will show you how to mount S3 Bucket on Linux Systems (RPM Family “Redhat /CentOS /Scientific Linux ”, and Debian Family “Debian /Ubuntu “) by using S3FS. S3FS is FUSE (File System in User Space) based solution to mount an Amazon S3 buckets, We can useRead More
How to Flush Memory Cache and Clear Swap Space on Linux Systems
In this article we will discuss a very important technique for boosting the performance of your Linux systems. We will flush / clear Linux system’s memory cache at a periodic periods to increase the available free memory space for other processes running on your Linux box. Linux systems have implementedRead More
Howto allow ruby on rails 4 app to be embedded into another website via iframe
In this mini post I’ll show you how to embed your ruby on rails 4 app into another website via frame or iframe. In general it’s responsibility of the web server “nginx, apache, etc…” to modify “X-Frame-Options” header to allow other sites to frame or iframe your site, and byRead More
Full and Incremental Backups Using Tar Linux Command
In this article we will discuss the using of tar command to perform a full and incremental backups for files and directories in Linux systems. Tar is very useful tool in backing up files, directories, and even full systems “full OSes”, here will use it only to backing up dataRead More
Howto resume large files transfer using rsync
In this mini post I’ll show you how to use rsync to transfer large files between servers, and resume the transfer if the connection interrupted. Any interruption in the established rsync connection between servers when transferring small files isn’t big deal “resuming rsync will start from the last successful transfer”,Read More
Howto limit rsync from using all the available bandwidth
In this mini post I’ll show you how to limit, and control rsync from using all the available bandwidth “limiting it’s download or upload speed” when using this important command. There are many usages for rsync, i.e copying files between servers “source, synchronizing files between two servers, and destination”, andRead More
Sysadmins Most Used Tar Command Examples in Linux
In this article we will discuss the using of tar command to archive Linux files, and directories. We will show you how to create archive, how to list files in an existing archive, how to extract files from archive, and how to compress your archive using different compression types. WeRead More
