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  • systemd management using systemctl and journalctl to check systemd logs


    systemd is like the service manager for your Centos and other modern Linux distributions (including Debian/Mint/Ubuntu) allows you to enable services, stop them, restart them, check their status and even reboot your system. The key commands or arguments you will use with systemctl are the following: Unit Commands:   list-units [PATTERN...]         List loaded units &nbs........

  • Centos 7 Password Reset


    In Centos 7 the days of editing the "kernel" line and adding "single" are gone.  On top of that sometimes after a new install passwords do not work (possibly because requirements were not met but the installer never mentioned this?). 1.) On bootup edit the bootline by entering GRUB. Type e Find the line that says "linux16 /vmlinuz" Edit the part that says "ro" and change with &q........

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