author | Oleksandr Gavenko <gavenkoa@gmail.com> |
Mon, 19 Oct 2015 17:04:52 +0300 | |
changeset 1769 | cadd23f8127f |
parent 1334 | 9bf0d5a1f0cf |
child 1905 | fba288d59662 |
permissions | -rw-r--r-- |
1334
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
1 |
.. -*- coding: utf-8; -*- |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
2 |
.. include:: HEADER.rst |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
3 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
4 |
================ |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
5 |
Date and time. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
6 |
================ |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
7 |
.. contents:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
8 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
9 |
System timer and system time. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
10 |
============================= |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
11 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
12 |
Windows. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
13 |
-------- |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
14 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
15 |
Windows assume that system timer display locale time. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
16 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
17 |
Debian. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
18 |
------- |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
19 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
20 |
UTC=no - system timer display locale time, UTC=yes - UTC time:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
21 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
22 |
$ cat /etc/default/rcS |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
23 |
UTC=no |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
24 |
# or UTC=yes |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
25 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
26 |
If system dual boot with Windows you must set ``UTC=no``. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
27 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
28 |
Getting current date/time. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
29 |
========================== |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
30 |
:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
31 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
32 |
$ date +"%Y-%m-%d %H:%M:%S" |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
33 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
34 |
Setting current date/time. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
35 |
========================== |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
36 |
:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
37 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
38 |
$ sudo date --set="2009-02-22 12:12:00" +"%Y-%m-%d %H:%M:%S" |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
39 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
40 |
Or set utc time:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
41 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
42 |
$ sudo date --utc --set="2009-02-22 12:12:00" +"%Y-%m-%d %H:%M:%S" |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
43 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
44 |
May be prefer use ntpdate(8) command. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
45 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
46 |
Get timezone. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
47 |
============= |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
48 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
49 |
System wide configuration:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
50 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
51 |
$ cat /etc/timezone |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
52 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
53 |
Get list of supported timezone. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
54 |
=============================== |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
55 |
:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
56 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
57 |
$ tzselect |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
58 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
59 |
Set timezone. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
60 |
============= |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
61 |
:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
62 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
63 |
$ sudo tzconfig |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
64 |
... |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
65 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
66 |
Or using tzselect:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
67 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
68 |
$ sudo tzselect |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
69 |
... |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
70 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
71 |
Debian Lenny. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
72 |
------------- |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
73 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
74 |
$ sudo dpkg-reconfigure tzdata |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
75 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
76 |
About timestamp. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
77 |
================ |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
78 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
79 |
* http://en.wikipedia.org/wiki/Timestamp |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
80 |
* http://en.wikipedia.org/wiki/Unix_time |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
81 |
* http://en.wikipedia.org/wiki/Leap_second |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
82 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
83 |
Get timestamp. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
84 |
-------------- |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
85 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
86 |
Current timestamp:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
87 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
88 |
$ date +%s |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
89 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
90 |
Timestamp for specific date/time:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
91 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
92 |
$ date -d '2010-12-11' +%s |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
93 |
$ date -d '2010-12-11 23:59:59' +%s |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
94 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
95 |
Convert unix timestamp to date. |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
96 |
------------------------------- |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
97 |
:: |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
98 |
|
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
99 |
$ date -d '1970-01-01 + 1234567890 seconds' |
9bf0d5a1f0cf
Include common header with quick links.
Oleksandr Gavenko <gavenkoa@gmail.com>
parents:
diff
changeset
|
100 |