Author Archives: yogene
Linux services
Services there are the background run programs also called daemons. sudo systemctl <command> <service name> Modules control сommands start stop restart reload reload-or-restart enable (with –now flag – enable and run immediately) disable (with –now flag – disable and stop … Continue reading
Some ways how to connect to remote Linux server.
To establish the ssh-connection between local and remote machines there are two main ways possible to pass the authentication: Classic – login/password pair A little more complicated, but safe and reliable – using a pair of RSA keys to introduce … Continue reading
Midnight Commander editor shortcuts
F3 Begin of text selection. Second press – end of text selection Shift+F3 Begin of block text selection F5 Copy text selection F6 Move text selection F8 Delete text selection Meta+i Go to previous bookmark Meta+j Go to next bookmark … Continue reading
Windows 11 Mini apps load CPU quite bad
Didn’t mind the mentioning of MS products here, but the office PC with Windows 11 onboard gets me to write down a case about. The Problem: PC’s cooling fan goes on full speed with the only office apps run, the … Continue reading
How to attach shared OCFS2 Block Volume
Here is a very simple operation to create and attach the Block Volume to the Compute instance in the framework of Oracle Cloud Infrastructure. However, the shared connection of many instances to conventional Block Volume may cause data corruption due … Continue reading
Take some of Linux
Default standard UNIX/Linux utilities cat – concatenate files to standard outputchgrp – change file group ownershipchmod – change file access permissionschown – change file owner and groupcp – copy files and directoriesdate – print or set the system data and … Continue reading
Linux file management
Main commands List file(s) permissions: ls -la <filename/wildcard> Following commands with -R mean recursive action along the directory tree. Set file(s) permissions: chmod <object><modifier><digits/symbols> <filename/wildcard> <object> (if no – set every field): u – owner; g – owners group; o … Continue reading
Linux simple user management
Groups Create group: sudo groupadd <group>List users in the group: getent group <group>If <group> missing all the groups are listed with users.Attention: the user is not listed if the group is his main group! The only supplementary groups’ members displayed. … Continue reading
Opposite things
Learn the opposite things at once and place their definitions/descriptions close to each other. Take a look back to be sure you know how to reverse the actions or to notice if it’s impossible. Exempli Gratia: Languages: anthonyms (good/bad; big/small; … Continue reading
Next incarnation of OCI web-server. Part one. HTTP.
The first experience with OCI compute instances had been dedicated to how to deploy a simple Hello-world-scale webserver. Now it’s time to play with the toy a little harder. Here is an approach of how to make the simple webserver … Continue reading