Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

service failure. Starting and Stopping Services Manually If you change a configuration file for a system se ...

Basically, in Upstart, tasks and services are started and stopped by events. Events are generated as other task ...

Command Description systemctl start servicename service Start a service systemctl stop servicename service Stop a ser ...

Table 15.2. Table 15.2 Other systemd Commands Command Description systemctl halt Halt the system systemctl reboot Reboo ...

https://wiki.freedesktop.org/www/Software/systemd/—The official system documentation ...

CHAPTER 16 System-Monitoring Tools IN THIS CHAPTER Console-Based Monitoring Graphical Process- and System-Manag ...

the virtual file system found on many UNIX flavors. Through the /proc file system, you can communicate directl ...

option is -e, which lists all processes running on the system. Another is aux, which provides a more detaile ...

Using the kill Command to Control Processes The kill command is a basic UNIX system command. You can communi ...

In fact, some system administrators and programmers prefer something like this progression of signals: kill − ...

resources are required for a task, such as a shell script. (Here, time is used to measure the duration ...

See http://hisham.hm/htop/ for more details. Displaying Free and Used Memory with free Although top includes ...

higher loads. Disk Space Along with system load, it is important to keep an eye on the amount of free har ...

groups. Although rarely—if ever—used on a local or standalone workstation, quotas are definitely a way of lif ...

grep to look for mentions of pnp in dmesg, the display message buffer log for the Linux kernel, to see if ther ...

A couple of special cases deserve separate mention. These two are not read using standard methods, but eac ...

need to understand it to configure logrotate to do what you want. You can learn more about bash and ...

how frequently logrotate will rotate the logs, whether to compress the log files, whether it is okay for the ...

interval—Defines how often to rotate the log; the actual setting will be daily, weekly, monthly, or yearly si ...

Conky Conky is a highly configurable, rather complex system monitor that is light on system resources and can ...