Easy way to monitor Linux server resources from console
- Also available: RU
Not so long ago dramatically increased the load on the site to the stage... nothing works, only intensive feeding resources.
The atop utility allows you to save logs that contain different server metrics. Very useful for diagnosing performance problems. Works interactively and in the background.
Installing Debian/Ubuntu
apt-get install atop
For startup enough:
service atop start
By default saving every 10 minutes, this value can be changed in the file /etc/default/stop or /etc/sysconfig/atop (variable INTERVAL).
Running out of disk space in Linux, what to do?
- Also available: RU
I have already considered the issue of Analyzing how much space is occupied on the hard disk.(in Windows), on Unix\Linux this is something else, the console rules the ball there and the more you communicate the more convenient it becomes. Today I want to tell you about one of the ways to quickly find what is occupied space on the disk.
du - a standard Unix utility stands for disk usage - a standard Unix program for evaluating the occupied file space. Ancient as a mammoth:)
It is better to start with the team:
du --max-depth=1 -h /
where:
Open and edit PDF or divide and conquer
- Also available: RU
I've been going to write for a long time, but somehow I can't get my hands on it. PDF is the de facto standard for any documentation, if we want documents to be the same without distortion on any platform and guaranteed to open, then PDF is the best choice. You can already save in PDF format from any application, you can often see the built-in "printer" in the operating system that saves everything you want in PDF. But it has a downside, this is editing, as soon as we need to correct something, then we have to prepare a round sum for the editor.
I want to tell you a couple of clever ways in which you can edit a PDF with varying degrees of difficulty. Free programs for home use can help out a lot.
Monitoring active VPN connections on Cisco ASA
- Also available: RU
The company's switch to remote access extends monitoring and now it is necessary to monitor active connections on the hardware more closely. And so how to view active connections and connection limits on the Cisco ASA. You can get General information about existing connections and tunnels by running the command.
show-sessiondb
Changing the password on the remote desktop RDP Windows + macOS
- Also available: RU
Now many people work remotely and from different devices, so it is not uncommon to change your password on a remote desktop. Today we will talk about changing your password in Windows and mac OS.
- Windows on the local desktop is alt+ctrl+del then select the menu item change password
- Windows in the RDP session the following keyboard shortcut alt+ctrl+end and then select the menu item change password
- macOS in the RDP session, a larger keyboard shortcut is fn+ctrl+option+backspace (where fn+backspace = del and option = alt)
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