The random changes have been sent in for Linux 5.6 that yield /dev/random behavioral changes and a new random flag.
Source: /dev/random Is More Like /dev/urandom With Linux 5.6 – Phoronix
Tag: Linux
With the onset of a new decade, Linux Kernel 5.6 is already prepared to resolve the “Y2038” or “Unix Y2K” problem that can arise in the upcoming decade.
Linus Torvalds has released the first stable Linux kernel update of 2020, Linux 5.5 – and it’s on schedule despite the worries that downtime over the holidays would have an impact on its release. The Linux 5.5 kernel update (dubbed “Kleptomaniac Octopus”) brings a host of performance tweaks as well as support for devices like the Raspberry Pi 4 and Broadcom chip BCM2711.
Source: “Welcome, Kleptomaniac Octopus” – Linux 5.5 Lands, Here’s What’s New
You can use the logger tool. The simple command to log is
logger My syslog message from console.
Sometimes you may find lot of characters trncated due to 80×25 tty size by default. Especially when you want to open some log files. Below command will help to set the row and column size.
stty cols 132 rows 34
will set the column width to 132 and rows 34.
Screen command benefits
- Can be used to launch multiple shells from a single SSH session.
- Detach and re-attach from multiple ssh session.
- Running process which can take more time and need session to be kept alive.
- To keep the session alive without any network disruptions.
The command to create a screen session is
screen -t <screen name> -S <socket file name>
To detach a screen session
ctrl+a + d
To list the screen sessions
screen -ls
To reattach the screen session
screen -r <pid from list>
The file /etc/SuSE-release contains the SuSE version and patch level.
This file is deprecated now and you can use /etc/os-release to find the details