How to set the timezone on Ubuntu with the command-line.
How to set a new time zone in Ubuntu with the command-line.
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Get information about your Linux boot easily.
How to get useful information about the boot time of your Linux system.
Read MoreA few very useful Wireshark tips. Search for certain browsers in the Wireshark capture.
Some more very useful filters and tips for Wireshark. This should be very useful when searching through a capture file.
Read MoreHow to get the date you installed your current Linux OS?
How to get the filesystem creation date on Linux with simple utilities.
Read MoreBacking up your computer is very important indeed. How to do it with Linux using a simple script.
The importance of backing up your computer can not be understated. This is an integral part of using a computer, judging by the outages of various cloud backup services like Microsoft Azure and other cloud services it is not a good idea to only use a cloud service like Google…
Read MoreGet information about your root filesystem on Linux very easily. This is very useful.
Get information about the creation date of your root filesystem on Linux The Linux stat(1) utility will print information about your root filesystem. The Birth entry shows when the filesystem was created. This was the start of the Arch Linux installation procedure. ┌──[[email protected]]─[~/Desktop] └──╼ ╼ $ stat / File: /…
Read MoreEasily get hardware information on Ubuntu in a simple format.
It is very easy to get hardware information on Ubuntu in a simple and easy to read format. The sudo lshw -class input command will print information about any input devices connected to your computer. ┌──[[email protected]]─[~] └──╼ ╼ $ sudo lshw -class input *-usb:1 description: Keyboard product: OMEN Sequencer vendor:…
Read MoreAn improved version of my random text C program.
This is an improved version of my random monster program. This shows how to get the size of a const char array and then select a random entry from the array. monsters.c1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19…
Read MoreHow to use local time in Ubuntu 20.04 and have the same time when rebooting into Windows.
The default installation of Ubuntu uses UTC time instead of local time to maintain the system clock. But this changes the Windows clock to UTC from local time when you reboot and this is very annoying. Run this command to fix this issue. jason@jason-desktop:~$ timedatectl set-local-rtc 1 –adjust-system-clockjason@jason-desktop:~$ timedatectl set-local-rtc…
Read MoreSpeed up the shutdown time of your Ubuntu machine using Systemd.
Systemd, by default waits a long time for some services to shutdown when switching off the machine. This can be annoying when you get a message in the console that a stop job is running for a certain service, and it is waiting for it to shutdown. But this can…
Read MoreGet the proper time from digital TV with the command line.
How to get the proper time from a DVB receiver with the command line. This only works if you are connected to a DVB transmission. Then you can get the time from the transmission. 4.4 Tue Mar 19 jason@Yog-Sothoth 0: $ dvbdate –print System time: Tue Mar 19 19:43:49 2019…
Read MoreHow to optimize boot up times on Ubuntu 18.04.
There are quite a few services running on Ubuntu, they can slow down bootup times and be very annoying. One of the best ways to find out which is to use this command. The systemd-analyze blame command. This will print out a list of the services started on boot. Here…
Read MoreGet real time hardware information on a Linux system with this utility.
This very useful Linux utility is a good way to get real-time Linux system information, and compare various activity on a system such as disk reads and writes, or network activity. ubuntu ~ $ dstat You did not select any stats, using -cdngy by default. —-total-cpu-usage—- -dsk/total- -net/total- —paging– —system–…
Read MoreFunny and strange UNIX happenings and C programming tips.
Funny and cool Linux tips 1337 or Leet in the UNIX time. -01:44:57– gordon@deusexmachina [~]$ date +%s 1337096699-01:44:57– gordon@deusexmachina [~]$ date +%s 1337096699 The missing days in 1752. I have mentioned this before, but it is worth mentioning again. -01:45:31– gordon@deusexmachina [~]$ cal 9 1752 September 1752 Su Mo Tu…
Read MoreHow to read the time from a Digital TV card with Linux. This is easy.
To read the system time from a Digital TV transmission, the tuner card installed in your machine must firstly be tuned to a channel. Then execute this command in a terminal. localhost% dvbdate Mon Apr 17 01:15:33 2017localhost% dvbdate Mon Apr 17 01:15:33 2017 This will read the time from…
Read MoreGet the startup time of your Linux machine with systemd.
The systemd-analyze command will print the time taken for the system to boot up. This separates the time for the kernel and the userspace environment. root@darkstar:~# systemd-analyze Startup finished in 4.728s (kernel) + 28.339s (userspace) = 33.068sroot@darkstar:~# systemd-analyze Startup finished in 4.728s (kernel) + 28.339s (userspace) = 33.068s This command…
Read MoreFilter for a specific time frame in Wireshark.
How to filter for a time frame in Wireshark.
Read MoreHow to fix the incorrect time in Linux Mint Debian Edition.
The time in Linux Mint Debian Edition can be wrong compared to your Windows installation; this is easily fixed though. Open the /etc/adjtime file in VIM. vim /etc/adjtimevim /etc/adjtime Then change the last line from UTC to LOCAL as shown below. deusexmachina ~ # cat /etc/adjtime 0.014261 1405441104 0.000000 1405441104…
Read MoreHow to use VLC to record a timelapse video for fun.
How to use VLC on Linux to record a time lapse video easily.
Read MoreSome miscellaneous BASH tricks. Useful tips for all Linux users.
This command shows how to display a listing of files with ls and show line numbers at the same time. homer@deep-thought ~/Desktop/Site % ls | nl 1 back.jpg 2 bejiitas_phpb1 3 bejiitas_phpb1.sql 4 cgi-bin 5 Files.tar.lzma 6 Map07Tufb.zip 7 my2.tar.lzma 8 program.c 9 quake38.jpg 10 sysinfo 11 tekcrazy_2.zip 12 wrap.rarhomer@deep-thought…
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