Archive for the ‘RedHat’ Category
Posted by jpluimers on 2025/10/02
Some notes (mainly links) on the Oracle Cloud Free Tier as at the time of writing it is the only provider with a “free forever” tier.
In the past for FOSS, there was [Wayback/Archive] Fosshost on Twitter: “@d_feldman Check out fosshost.org for an alternative to Oracle Cloud for ARM/AArch64. We are free, open source and you will never get bill shock. Open source projects must apply only.”, but at the end of 2022 they started to wind down their services as per [Wayback/Archive] Fosshost to Sunset Tenant Services
Fosshost to Sunset Tenant Services
At this time, Fosshost is deeply sorry to announce we are no longer able to continue offering our services.
Because of this, we strongly recommend all Fosshost tenants to backup their data immediately, and migrate elsewhere as soon as possible.
Oh before you begin: if you need a reverse DNS record then be sure to request that as soon as your free tier starts: at that time you have USD 300 credits for running paid services which includes the support to request reverse DNS records.
Anyway, many links on the Oracle OCI Cloud Free Tier (especially the ARM deal is great: lots of RAM as compared to the x86 VMs):
Read the rest of this entry »
Posted in CentOS, openSuSE, OracleLinux, RedHat, SuSE Linux, Ubuntu, Uncategorized, Windows, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022 | Leave a Comment »
Posted by jpluimers on 2022/02/09
As promised mid last year in “fixing” ESXi “rsync error: error allocating core memory buffers (code 22) at util2.c(106) [sender=3.1.2]”, I would follow up on building a static rsync for ESXi one day.
So below a few links on how to do this, roughly in the order I found them (most via [Wayback] vmware rsync “3.1.2” static – Google Search):
Especially the last link has a great set of steps on how to build manually.
Boy I forgot how long ago CentOS 3.9 was: [Wayback] [CentOS-announce] CentOS 3.9 is released for i386 and x86_64 Read the rest of this entry »
Posted in *nix, *nix-tools, CentOS, Development, Linux, Power User, RedHat, Software Development | 2 Comments »
Posted by jpluimers on 2021/11/17
[Wayback] How do I restart sshd on my Unix system | StarNet Knowledge Database – PC X, X Windows, X 11 & More – StarNet
RedHat and Fedora Core Linux
/sbin/service sshd restart
Suse linux
/etc/rc.d/sshd restart
Debian/Ubuntu
/etc/init.d/sshd restart
Solaris 9 and below
/etc/init.d/sshd stop
/etc/init.d/sshd start
Solaris 10
svcadm disable ssh
svcadm enable ssh
AIX
stopsrc -s sshd
startsrc -s sshd
HP-UX
/sbin/init.d/secsh stop
/sbin/init.d/secsh start
Note that for opensuse, by now you need this to restart sshd:
/usr/sbin/rcsshd restart
Edit 20211118: some tweets in reaction to this post
–jeroen
Posted in *nix, *nix-tools, Debian, Development, Linux, openSuSE, Power User, RedHat, Scripting, Software Development, SuSE Linux, systemd, Tumbleweed | Leave a Comment »
Posted by jpluimers on 2020/09/21
[WayBack] Rebooting a Linux server unattended – twm’s blog:
/sbin/shutdown -r now
Simple, but I keep forgetting where Linux has short/long command options and short/long verbs.
–jeroen
Posted in *nix, *nix-tools, Debian, Linux, OpenShift, openSuSE, Power User, Raspbian, RedHat, SuSE Linux, Tumbleweed, Ubuntu | Leave a Comment »
Posted by jpluimers on 2020/05/19
From [WayBack] ipmi – Linux: Why does Single User mode work on Serial Console but not on the attached Keyboard/Video/Monitor? – Server Fault (slightly edited; thanks Patrick!):
Because init has not spawned off multiple TTYs yet (getty, mgetty, etc), so you only have the primary TTY. The primary TTY is the last console= parameter on the kernel command line. All the console parameters get the output, but only the last one will be able to act as input.
–jeroen
Posted in *nix, Debian, Linux, openSuSE, Power User, RedHat, SuSE Linux, Tumbleweed | Leave a Comment »
Posted by jpluimers on 2018/08/24
This tutorial explains how to find out network bandwidth usage per process in real time using nethogs tool under Linux operating systems.
Cool tool!
Source: [WayBack] Linux: See Bandwidth Usage Per Process With Nethogs Tool – nixCraft
An alternative is iftop – Wikipedia.
via:
–jeroen
Posted in *nix, *nix-tools, Linux, openSuSE, Power User, RedHat, SuSE Linux, Tumbleweed | Leave a Comment »
Posted by jpluimers on 2016/12/05
Quick look at commands that can be used to gather hardware information such as cpu, disks, memory, partition, peripherals etc on Linux OS based systems
Source: 18 Useful Commands to Get Hardware Information on Linux – Linuxslaves
Covered commands (the article has no index and the headings in it don’t have an id tag, so I linked them to other relevant URLs if I could find them):
- lshw
- lscpu
- lspci
- lsusb
- lsblk
- fdisk
- dmidecode
-
-
-
- /proc files
-
free
- lsscsi
-
inxi
-
pydf
-
hwinfo
-
screenfetch, Linux OS Info
-
archey
via:
–jeroen
Posted in *nix, *nix-tools, Linux, openSuSE, Power User, RedHat, SuSE Linux, Tumbleweed, Ubuntu | 2 Comments »
Posted by jpluimers on 2016/11/15
In the 1990s and early 2000s I did a lot of Unix-Like (Minix, SunOS, HP-UX, Xenox) and later Linux (mostly RedHat and SuSE) work. The internet and Linux weren’t as big as they are now and old stuff was still in use including syslogd.
So recently wanting to do more on the Linux side of things using OpenSuSE (as 15+ years ago, I spent most of my time with SuSE Linux) and assumed logging was still done using syslogd like Mac OS X does.
Boy, I was wrong. Like the internet and lots of other things, logging on OpenSuSE has fragmented in at least these three categories of which two syslog implementations (but syslogd is deprecated and – according to the URC #SUSE Channel – unmaintained):
- journald (installed by default on my Tumbleweed text-only systems)
- rsyslog (which is supposed to be default on modern OpenSuSE installs but somehow isn’t on my Tumbleweed but is on 13.1 and 13.2)
- syslog-ng
- proprietary logging (of many applications in
/var/log like named, apache, etc)
There seems to be heated debates on what to use when, so I’ll try to stick with the defaults as much as possible.
A few things I need to sort out:
- where is journald persisted?
- how can journald being rotated?
- what to do with packages that require one form of syslog or the other?
- can I direct journald to a syslog implementation?
- how does this apply to other distros?
Tonu Su (TSu2) posted an elaborate answer on the above questions on the OpenSuSE forums.
–jeroen
via:
Posted in *nix, *nix-tools, About, Linux, openSuSE, Power User, RedHat, SuSE Linux, Tumbleweed | 2 Comments »
Posted by jpluimers on 2015/11/11
Really exiting times ahead: Microsoft .Net on Linux.
It’s not fully ready yet, but to get an idea to learn more about running OpenShift Enterprise 3 and a .NET application based on a Red Hat Enterprise Linux container, here are a few links to get started:
I wish that the demo repository at https://github.com/munchee13/snoopalicious.git and the rhosepaas.com domain were accessible (:
There are other alternatives too, but OpenShift (RedHat) and Microsoft working together is really exiting news to me.
If you’re on other distros, here are some more links:
And of course there has been Mono for a while, which is a different implementation of .NET:
Hopefully this will have search results soon: dnvm opensuse tumbleweed.
–jeroen
Posted in *nix, .NET, Development, Linux, OpenShift, openSuSE, Power User, RedHat, Software Development, SuSE Linux, Tumbleweed | Leave a Comment »
The Wiert Corner - irregular stream of stuff 