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Questions tagged [oracle-linux]

69 questions
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Double bracket missing in Oracle Linux

So I was trying to write a script in an Oracle Linux server and nothing worked. To begin with, there is no double bracket as far as I can tell. Also, the error messages I get are weird. For instance, this code : [[ -f 'fake' ]] || { echo "There is a…
Matias Barrios
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Can 2 servers share the same ocfs2 FS via NFS?

The problem is the following: I have 2 servers that have a FS mounted as ocfs2: root [server01]% mount | grep ocfs2 ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw) /dev/sddlmam1 on /share type ocfs2 (rw,_netdev,datavolume,heartbeat=local) and root…
X3MBoy
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ssh remote command ls hangs when using '*'

i'm having a problem with remote command in ssh. The following commands run just fine: ssh remote_server ls /path/to/folder/ (list all files of the folder - OK) ssh remote_server ls /path/to/folder/file_000* (wildcard match one file of the folder…
chesterman
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Oracle 12c 32-bit client and direct GOT relocation R_386_GOT32 against `lxecerr’

When trying to install Oracle 12c 32-bit Client (12.1 or 12.2) on Oracle Linux 7.3 or 7.5, it throws error during linking static libraries: INFO: Start output from spawned process: INFO: ---------------------------------- INFO: INFO:…
Jarek
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Enterprise Linux: /scratch is mounted on a LV but the LV doesn't shown when running lvs

Took over a few Oracle Linux VMs from another team and found this weird situation. The /scratch is mounted on a logical volume according to them, but seems that the system is having some error and the corresponding LV is actually missing. # df -h |…
Derek
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How to enable legacy ciphers in modern SSH client

Got a shiny new OL9 and I need to connect to some legacy servers, as in CentOS 5. The OL9 SSH client does not support the legacy ciphers that CentOS 5 supports: [opc@vm1 ~]$ ssh legacyServer Unable to negotiate with 10.0.0.138 port 22: no matching…
Emilio P
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Why is TCP doing RTO based retransmits (200ms+ wait) vs other fast-retransmission mechanisms?

(Trying this forum after the question was deemed off-topic for Stack Overflow & Network Engineering) I am investigating an issue where we see occasional 200ms+ spikes in a simple tcp client/server application. These spikes are always in 200ms -…
RandomQuestion
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How to install php-mysql, php-gd and other libraries on Oracle Linux

I am trying to install following libraries on Oracle Linux 8 but not working. On Debian 11 after installing php8.1-fpm I run following command and it works. sudo apt install php8.1-mysql php8.1-gd php8.1-mbstring php8.1-xml php8.1-zip php8.1-curl…
Frank Martin
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Postfix not sending emails with no error messages

I have a customer attempting to use postfix to send emails with SMTP. It appears that postfix will parse the email attributes correctly, but before sending the email it begins processing it again. This happens in an endless loop. I've put postfix…
Adam
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How to open all ports in Oracle Linux 7?

I'm trying to set up a Outline VPN server on my Oracle Cloud Instance. However I keep getting the error You won’t be able to access it externally, despite your server being correctly set up, because there's a firewall (in this machine, your router…
Aeden Thomas
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OEL8 kickstart install on ESXi - hangs at "Reached target Basic System" - why?

I am trying to install OEL8 on ESXi 7 with a kickstart file. I have the ks.cfg hosted on an http server on the local subnet. The ks.cfg settings are taken from a manually installed OEL VM's anaconda-ks.cfg file. I have the OEL8 ISO mounted to the VM…
ohlylo
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Same VIP different MAC

I am observing this behavior on a dual-homed server that is sending traffic in active/active mode on its 2 links connected to the same uplink switch. The server is running IPMP so it generates traffic using the same virtual IP on the 2 different…
gaetano
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Is it possible to upgrade Oracle Linux 7 to 8 in place?

I noticed in the Oracle Linux 7 documentation, there's a procedure for upgrading the operating system in place for OL6 -> OL7, but I can't seem to find the same instructions for OL7 -> OL8. Is it possible to upgrade in this way? Oracle Instructions…
user578366
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PAM: password authentication failed for remote user

I am executing a command from server1 which would do a remote ssh to server2 and execute certain commands as olcne user. I am seeing some exception in /var/log/secure file wrt to pam. Can someone please help me what could be the possible…
user1115980
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How do I know that a file backup from a Linux server was successful?

Here is the scenario, I have been tasked with backing up production Oracle server running on Linux. According to the process left by the person from whom I took over, I connect to the server using WinSCP and copy the folder named backup to an…
truthtriumphs
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