linux:installation
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linux:installation [2017/02/13 10:15] mstraub [Init Daemons] |
linux:installation [2019/10/02 11:02] mstraub [Shared Libraries] |
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| </code> | </code> | ||
| + | ===== Hostname ===== | ||
| + | |||
| + | The host name is persisted in ''/etc/hostname'' and can be shown with ''hostname'' or (using the systemd-way) with ''hostnamectl''. | ||
| + | |||
| + | To change the host name | ||
| + | - use ''sudo hostname <NAME>'' to set the host name now (would not survive a reboot) | ||
| + | - edit ''/etc/hostname'' to set it permanently | ||
| + | - edit ''/etc/hosts'' to properly map the new host name to localhost | ||
| + | |||
| + | Instead of the first two steps you can also use | ||
| + | <code bash> | ||
| + | hostnamectl set-hostname <NAME> | ||
| + | </code> | ||
| ===== Date & Timezone ===== | ===== Date & Timezone ===== | ||
| Line 76: | Line 89: | ||
| == hwclock == | == hwclock == | ||
| - | The hardware clock can be read and set (by root only) with the ''hwclock'' command. The parameters ''--utc'' and ''--localtime'' tell if the hardware clock is / should be set to UTC or local time. | + | The hardware clock can be read and set (by root only) with the ''hwclock'' command. The parameters ''%%--utc%%'' and ''%%--localtime%%'' tell if the hardware clock is / should be set to UTC or local time. |
| **Note, however, that hwclock always prints and expects (when setting) date in local time.** | **Note, however, that hwclock always prints and expects (when setting) date in local time.** | ||
| Line 291: | Line 304: | ||
| ===== Mounting ===== | ===== Mounting ===== | ||
| - | The ''mount'' command and various files can be used to inquire the currently mounted devices and swap spaces. | + | The ''findmnt'' command and various files can be used to inquire the currently mounted devices and swap spaces. |
| <code bash> | <code bash> | ||
| - | mount # show currently mounted devices | + | lsblk # list block devices (i.e. no network or virtual devices) |
| + | findmnt # show all currently mounted devices | ||
| + | findmnt -t ext4,cifs # show mounted devices with a certain file system type | ||
| + | mount # show all currently mounted devices (deprecated!) | ||
| cat /etc/mtab # .. | cat /etc/mtab # .. | ||
| cat /proc/mounts # .. | cat /proc/mounts # .. | ||
| Line 517: | Line 533: | ||
| Starting and stopping services works as follows: | Starting and stopping services works as follows: | ||
| <code bash> | <code bash> | ||
| - | service myservice start | + | systemctl start myservice |
| - | service myservice stop | + | systemctl stop myservice |
| - | service myservice status | + | systemctl status myservice |
| </code> | </code> | ||
| Logs of a service can be accessed via ''journalctl'': | Logs of a service can be accessed via ''journalctl'': | ||
| - | <code> | + | <code bash> |
| journalctl -u myservice | journalctl -u myservice | ||
| </code> | </code> | ||
linux/installation.txt · Last modified: 2019/10/21 14:09 by mstraub
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