after a power outage my nodes went to state down sinfo -a PARTITION AVAIL TIMELIMIT NODES STATE NODELIST partMain up infinite 4 down* node[001-004] part1* up infinite 3 down* node[002-004] part2 up infinite 1 down* node001 I do these commands…
I changed home directory of Apache "/var/www/html" into "/gwanwoonam/web" After that, web server returns 403 Error - Forbidden You don't have permission to access /info.php on this server. How Can I fixed that I googled, and found Solution on permission…
I have been working on a few scripts on CentOS 7 and sometimes I see: #!/bin/sh - on the first line. Looking at the man page for sh I see the following under the Special Parameters - Expands to the…
I installed julia (v1.1.1) via as stated in [platform specific instructions(https://julialang.org/downloads/platform.html) on my CentOS machine using yum and epel. Julia works fine, but when precompiling packages (using DataFrames for example), I get [ Info: Precompiling GLM [38e38edf-8417-5370-95a0-9cbb8c7f171a] ERROR: LoadError: No…
I installed CentOS 7.6 then installed all things QEMU on my machine. I have a SPARC image I need to bringing up in a VM. I've been using qemu-system-sparc. $ qemu-system-sparc -m 256 -hda solaris_v2-qemu_v2.2.0.disk -nographic -bios ./openbios-sparc32 This is…
Previously I performed the migration of my database from one directory to another within the server itself (/var/lib/mysql to /mnt/mysql) for lack of space. When starting the server again, after having changed the /etc/my.cnf with the correct directory it returns…
I am new to Linux. I am using CentOS 7. I found out that my new backup always replace my old backups. For example, backup on 15th of July 2019 will replace backup on 14th of July 2019. # Create…
I have a requirement to build a real-time-low-latency messaging system. I read up ZeroMQ guide, for my requirement ROUTER-DEALER pattern matches perfectly. I built the system around it and it is working fine. But when I am doing performance testing…
I am getting error while i am trying to run JMeter script in jenkins on CentOS : java.nio.file.AccessDeniedException: /home/username/Desktop I have installed Jenkins on same CentOS and I am running it locally. I have configured all the commands but it…
I was wondering if you could alias a command, and use it in the same line of code, see this example: alias php=/opt/plesk/php/5.6/bin/php; php -v; I want this to output PHP 5.6. alias php=/opt/plesk/php/7.3/bin/php; php -v; and I want this…