7-zip is an open source archive which I use both on Windows and Linux because of its speed, strong compression and additional features that are important to me in terms of placing passwords over 7-zip archives and, like other open source software, is available for commercial use. Best of all – this archiver supports a […]
CentOS is not up-to-date with kernel versions, but not because it doesn’t care, it’s because it has some internal policy that implies that system stability is ahead of the newer features of a newer kernel version… CentOS is primarily a Linux distribution designed for servers, so for example, recognizing a newer audio or network card […]
No matter how much knowledge and experience you have with almost everything from IT side – when you go to a job interview, you can expect unexpected questions, and when I said “unexpected questions” and I’m not thinking about most stupid questions on planet like “Where do you see yourself in our team for 10 […]
Libvirt is API, daemon and tool for managing of virtualization platforms and virtual interfaces and it0s used by some GUI or CLI (virsh) interfaces – but for standalone virtual machines who will don’t have any other virtualization inside (dockers, lxc…) it’s уuseless so I do a remove immediate after OS install in CentOS 7 or […]
With this crontab-ready script you can check CPU/RAM/IO/Load/HDD usage with monthly averages (except for hard disk usage). Script is based on sar command – and sar is part of sysstat package – so if you dont have it installed – install it (on CentOS: yum install sysstat). This script is some kind of quick resolution […]
With this script you can check, for example – for every hour in alert log is there some new ORA errors, and in case new errors are generated, you will receive email notification about. Of course if AlertLog is too big (for example bigger than 2GB), you can archive it (rename je safe option alse) […]
In this tutorial we will install Oracle 12c software (in this case version 12.1.0.2) but without database, software only. Even if it looks like very complex install here – it isn’t, this is simplified with some variables and with some extra options like firewall settings. We will do this install on CentOS 7 Linux Minimal […]
For file sharing on Linux systems where is access needed from Windows machines, Samba is default solution and it have a pretty good system for managing users, but is not recommended to use on public servers, but only on the intranet sites of the companies. In this article we will install Samba on CentOS Linux […]
Mailx or mail (mail is just a symlink to mailx) is standard email client for email sending from server with alert message. In this tutorial we will send email with mailx and using Google/GoogleApps SMTP server for email sending from CentOS (I guess it’s the same on all Linux distros). Compared to mutt you don’t […]
In this tutorial we will install latest mutt (on day: 31/03/2017) from source, configure it only for email sending (no receiving or other thing) over SMTP and with SSL and use it. We doing this in CentOS 7 Minimal Linux so maybe some of packages you already have. # Install dependencies yum install wget gcc […]
