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Search: Posts Made By: stomp
1,153
Posted By stomp
A little further improvement: Instead of the...
A little further improvement:

Instead of the find action...

-exec rm -f {} \;

you may use...

-exec rm -f {} +

which uses less rm calls since filenames to delete are added until the...
4,134
Posted By stomp
Docker is dead - cri-o the new best practice
Since some time now docker is being on the fall and is being abandoned as provider for container technology.

Red Hat already threw docker out of its Red Hat Enterprise Linux (all Versions 6,7 and...
1,301
Posted By stomp
VPN stands for virtual private network. The...
VPN stands for virtual private network. The virtual means that this privacy is accomplished allthough it is by nature not private at all when you communicate over a public network - the internet....
2,911
Posted By stomp
As I understood you, you like to combine 2 parts...
As I understood you, you like to combine 2 parts of 2 different disks into one partition/filesystem. You can do that(e. g. by using lvm). But if you do, know that one of those 2 disks fail, the data...
Forum: Linux Benchmarks 03-17-2020
6,621
Posted By stomp
I got some advices from a person who wrote his...
I got some advices from a person who wrote his thesis on the subject of benchmarking:


benchmark with the applications that are like the later used applications.
test with concurrent...
5,496
Posted By stomp
Ceph Experience
Hi,

I got asked if I can list some additional informations about ceph "in production" at my site.

Well, the small hyperconverged cluster here with ceph is not really in production by the...
Forum: Linux Benchmarks 03-11-2020
6,621
Posted By stomp
Filesystem Benchmarks for HDDs and SSDs
Hi,

I'm interested in storage benchmarks for various configurations in order to figure out what's best for a virtualization environment. The virtualization environment will be proxmox, as it is...
8,112
Posted By stomp
You say you were 100% sure this code works. Do...
You say you were 100% sure this code works. Do you have the exact same environment as before? Same software? Same versions? Probably not.

traps_save() { saved_traps=\$(trap) ; export saved_traps;}...
Forum: What is on Your Mind? 03-05-2020
3,405
Posted By stomp
SysAdmin-Story: About monitoring and troubleshooting
New Customer: Houston we have a problem! Our webserver has strange delays and outages. Every day at the same time. Some minutes and then it goes away. We internally checked the configuration of the...
2,606
Posted By stomp
@Neo: That are definitely good points. Regarding...
@Neo: That are definitely good points. Regarding performance, I do not need very high performance for my zfs servers, so I have no comparison to other servers using btrfs/ext4.

What's regarding...
1,989
Posted By stomp
Hi, I just checked your script on a linux...
Hi,

I just checked your script on a linux system without any output with a file with 1/3 million words in it (filesize 2700 KB: I used this file: wordlist.xz (http://www.megabert.de/wordlist.xz))....
2,606
Posted By stomp
Encryption makes the backup task more difficult....
Encryption makes the backup task more difficult. That's why I avoid encryption except where I really have the need for it(which was never case for me so far, and thus I won't be helpful on the topic...
2,606
Posted By stomp
Hi, some personal experiences and...
Hi,

some personal experiences and experiences from others:


zfs
I'm very fond of the ease of use of zfs administration. Few simple commands which all did what I expected them to do....
9,470
Posted By stomp
Glad you figured it out already. What's...
Glad you figured it out already.

What's regarding instrumentation, I found it very helpful once I had basic monitoring data available for all my servers. I'm still sticking to the solution, I'm...
2,319
Posted By stomp
xmllint does not separate the output result with...
xmllint does not separate the output result with newlines, xmlstarlet does
6,886
Posted By stomp
I'd like to mention --forest option of ps which I...
I'd like to mention --forest option of ps which I use regularly under linux.

It lacks the here mentioned feature to show only the tree concerning a special pid.

ps ax --forest...
2406 ? ...
1,500
Posted By stomp
Even if it does not directly help in this case,...
Even if it does not directly help in this case, I'd like to mention Linux Audit, because it's really interesting:

One can audit all commands entered by anyone with these 2 rules:


auditctl -a...
1,703
Posted By stomp
Your task is pretty basic. You will find a lot of...
Your task is pretty basic. You will find a lot of examples if you...

... search google for "perl read from stdin" ...
... read the documentation for the functions, e. g. perldoc -f split

I do...
Forum: Programming 11-06-2019
12,654
Posted By stomp
Hi, short notice from my side: For a...
Hi,

short notice from my side:

For a current project I decided to use Perl. The platforms are Linux / Red Hat 5/6/7/+future Versions. The reason I chose it, where:

Available on all target...
8,858
Posted By stomp
[TIP] Processing YAML files with yq
After the success of the jq - tool for parsing and manipulating JSON-Data someone wrote a tool called yq, which aims to be the same for YAML, what jq is for JSON. Seems to work fine. I'll definitely...
3,586
Posted By stomp
Since HTML is very similar to XML, you may use an...
Since HTML is very similar to XML, you may use an xml tool to parse your file.

Since your HTML-File is not fully standards compliant, the parser complains about it and the file has either be...
10,347
Posted By stomp
Hello psy, as you saw in the last post from...
Hello psy,

as you saw in the last post from Chubler and me, that we have different views on what is the preferred choice of coding. I hope this causes not too much confusion for you.

Global And...
10,347
Posted By stomp
It's nearly the same code as yours: If $used_net...
It's nearly the same code as yours: If $used_net is "testnet" set btcopts to "-testnet" otherwise set to empty value. A shorthand if-construct.

The return value of a variable assignment is always...
Forum: Cybersecurity 09-27-2019
4,797
Posted By stomp
It maybe fail2ban is configured properly, up and...
It maybe fail2ban is configured properly, up and running. That will definitely explain a rate below average. But f2b can be running without being configured to do blocking at all or not correctly...
Forum: Cybersecurity 09-27-2019
4,797
Posted By stomp
Same from receiving side. I also only just had a...
Same from receiving side. I also only just had a very quick read on your post.

Instead of one car crashing into a wall two cars crashing frontal into each other with the same speed do square...
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