Search found 949 matches

by cah
Sun Sep 07, 2025 12:41 am
Forum: Technology / 科技交流
Topic: Upgrade Rocky Linux 8 to 9
Replies: 1
Views: 21533

Re: Upgrade Rocky Linux 8 to 9

I found the link last year but never got a chance to really upgrade the Rocky Linux 8 to 9. I then searched online again today and found another link with almost identical steps to upgrade. https://linuxiac.com/upgrade-rocky-linux-8-to-rocky-linux-9/ After all steps, the server seemed to be at Rocky...
by cah
Tue May 27, 2025 12:04 pm
Forum: Technology / 科技交流
Topic: NIS on Rocky/RHEL 9
Replies: 0
Views: 41523

NIS on Rocky/RHEL 9

People were asking how to get NIS to work on RHEL 9 since it has been removed from RHEL 9 and people found ways to get it to work. In this post (https://forums.rockylinux.org/t/nis-on-rocky-rhel-9/11227), james-p user said: I had a similar requirement - I just used the following Fedora 36 RPMS: ypbi...
by cah
Mon Mar 03, 2025 2:31 pm
Forum: Technology / 科技交流
Topic: MySql table greyed out
Replies: 0
Views: 71810

MySql table greyed out

Make sure the table columns at least have PK (Primary Key) checked. NN (not null) and AI (auto increment) can be checked as needed.
by cah
Wed Feb 19, 2025 11:39 pm
Forum: Technology / 科技交流
Topic: SSH public key connection issue
Replies: 0
Views: 16750

SSH public key connection issue

Since I requested a RHEL 9 server for TANG server, I tried to start setting it up. However, when I tried to ssh to it, I found the public key didn't work. I checked all permissions and configurations and all looked fine. /var/log/secure didn't provide any help. I then looked into /var/log/messages o...
by cah
Wed Nov 27, 2024 2:56 pm
Forum: Technology / 科技交流
Topic: NVME M2 SSD can't be detected on DELL Precision 7810 laptop
Replies: 2
Views: 33146

NVME M2 SSD can't be detected on DELL Precision 7810 laptop

The PCIe NVME M2 SSD is installed on slot PCIe slot H - PCIe x 16 (CPU 1) After getting the image from Dell on the USB drive, I had some issues trying to boot it up using the USB drive. It turned out, I have to enable and use the Legacy boot option instead of UEFI or I won't be able to see the NVME ...
by cah
Wed Nov 27, 2024 2:48 pm
Forum: Technology / 科技交流
Topic: Dell OS Recovery Tool
Replies: 0
Views: 20599

Dell OS Recovery Tool

When trying to use Dell OS Recovery Tool to create images for Dell computers, it crashed at step 3. I searched online and the helpful information is to add a "-s" flag to DellOSRecoveryTool.exe from cmd terminal. cd "C:\/Program Files (x86)\Dell\OS Recovery Tool" C:\/Program File...
by cah
Fri Apr 12, 2024 1:21 pm
Forum: Technology / 科技交流
Topic: Removal of the current directory (".") from @INC in Perl 5.26.0
Replies: 0
Views: 25986

Removal of the current directory (".") from @INC in Perl 5.26.0

I ran into an issue and found starting version 5.26.0, the current directory (".") had been removed from @INC. All files in require line assuming current directory being included in @INC will fail. This line will fail because it assumes current directory is included in @INV: require "...
by cah
Sun Mar 10, 2024 1:44 am
Forum: Technology / 科技交流
Topic: Sendmail changes after switching from Frontier to Spectrum
Replies: 0
Views: 24352

Sendmail changes after switching from Frontier to Spectrum

Due to price increase by Frontier, I decided to switch to Spectrum for lower price ($39.99/month for 1 Gbps download). Today (03/09/2024), the technician came to connect the internet feed to the cable modem. The Ethernet cable was swapped from ONT box to cable modem's only ethernet port and the exis...
by cah
Sun Feb 25, 2024 12:33 am
Forum: Technology / 科技交流
Topic: NVME M2 SSD can't be detected on DELL Precision 7810 laptop
Replies: 2
Views: 33146

PCIe NVME M2 SSD on DELL Precision T7500

I bought a PCIe 4 adapter and a Western Digital WD_BLACK 1TB SN770 NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 5,150 MB/s - WDS100T3X0E for Dell Precision T7500 workstation to prepare a Ubuntu for Da-Yi. Finally got a chance to put everything together. I first try to plac...
by cah
Wed Feb 21, 2024 2:11 pm
Forum: Technology / 科技交流
Topic: Color 'ls' and 'grep'
Replies: 0
Views: 26381

Color 'ls' and 'grep'

Newer Linux servers provide colors for some commands such as 'ls' and 'grep'. By default, there's no color for ls. One can use --color=auto or --color-always to show different colors. The colors are defined in /etc: DIR_COLORS DIR_COLORS.256color DIR_COLORS.lightbgcolor GREP_COLORS One can perhaps m...