Questions tagged [oracle-linux]

Oracle Linux is a Linux distribution derived from Red Hat Enterprise Linux

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Disable obsolete SSL and TLS in Oracle Enterprise Linux

I intend to disable all versions of SSL and TLS 1.0 and TLS 1.1 from being used due to their insecurity. Can you advise on how i can do this. I have searched online and haven't seen anything of much ...
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29 views

yum works on one vm but not from other vm on same vlan

I am having a strange problem here. 2 OEL7 VMs are built on same vlan, with same resolve.conf, yum.conf and *.repo. Firewall/iptables are stopped on these VMs. One can access oracle repo (apparently ...
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40 views

Where's my stub-resolve.conf missing?

I'd like to start using systemd-resolved on Oracle Linux 7.6. I've installed systemd-networkd and systemd-resolved. I've enabled these services and I've disabled network and NetworkManager. From the ...
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2answers
29 views

Dependency problem tkinter

I am trying to install a package, specifically tkinter-2.7.5-86.el7.x86_64.rpm, on Oracle Linux 7. I run into a dependency problem: Error: Package: tkinter-2.7.5-86.el7.x86_64 (/tkinter-2.7.5-86.el7....
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1answer
15 views

Yum fails to respect version requirements for package

I have a problem using yum to resolve dependencies for my project, which consists of multiple RPMs that we build ourselves. I have built an RPM with: Requires: Database-devel = 1.0.0 But when I run: ...
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1answer
23 views

How to boot el6 linux without some enabled daemon running?

I've installed Oracle Linux 6 and Oracle 12c. I don't remember if I've configured crontab to launch some script or not, but during the system's booting, it stops just after crond daemon has been ...
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1answer
73 views

OS incorrectly switching between root and sudoer user

I have 3 users in my server: root user1 user2 When I try to change my current user from user1 to user2 by using the command sudo su user1, my operating system sometimes changes instead from user1 ...
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2answers
171 views

How to find a package name and version by its library name and version using a shell command?

Is there a command that could give me a package name and version for a library? For example, I want to get mariadb-libs version for libmysqlclient_r.so.16 library that is currently not installed, but ...
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1answer
37 views

MySql Community Server port changing

I've installed mysql-community-server 8.0 on Oracle Linux 7 using official documentation It have been installed successfully, but: # service mysqld start resulted in: Redirecting to /bin/systemctl ...
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2answers
263 views

NagiosQL Installation: Checking requirements. Write test on settings file (config/settings.php): failed

I've installed NagiosQL mostly following this tutorial. On the Checking requirements step I've got failed state for Write test on settings file (config/settings.php): How to make nagios pass Write ...
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1answer
181 views

Issues with yum and dnf in Oracle Linux 8

Am new to IT and I am having troubles with my Oracle Linux 8 installed into Vmware Esxi 6.5. I can't update or install using either of yum or dnf commands. I get the following error: # yum update ...
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251 views

How to install chromium on oracle linux 7.7

How do I install chromium on oracle linux 7.7 (EL 7)? I used epel repos and the log is: $ sudo yum install -y chromium Loaded plugins: langpacks, ulninfo Resolving Dependencies --> Running ...
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1answer
100 views

How do I install xbindkeys on enterprise linux 6? (Centos/RHEL/OEL 6)

Is there a way to install xbindkeys on rhel 6 based distro? I want to bind keys from my mouse button to run a script.
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2answers
1k views

exec /bin/tcsh produces a “if: Expression Syntax.” error

We have two servers: test box with Oracle Linux 7.6 and production box with Oracle Linux 7.7. Running the exec /bin/tcsh command produces two different results. On the test server: # exec /bin/tcsh ...
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0answers
33 views

Putty's terminal freezes during windows share accessing just after resuming VM after suspending

My system is Oracle Linux 7.4 VM on VMWare Workstation 14 I have the next record in my /etc/fstab: //someip/someshare /mnt/temp cifs rw,user=someuser,password=somepassword 0 0 After the system ...
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2answers
799 views

What's the differences between ifdown and “ip link set .. .down”?

I did some testing below. It seems ifdown ens32 didn't bring the interface down. And ip link still show UP. Only ip link set ens32 down brings the interface down. So what's the problem here? Why ...
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2answers
346 views

Install Let's Encrypt SSL certificate on Oracle Linux Server

I am trying to install a Let's Encrypt certificate on a Oracle Linux Server 7.6. Since the server does not have a public IP, I had to validate via DNS.I followed the instructions here https://github....
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138 views

LUKS volume does not get unsealed by the TPM after a update

I'm performing a Kickstart-installation from a USB-Stick of Oracle-Linux 7.6 on a Dell Optiplex 3060 where I also encrypt the volume and bind it to the TPM to unlock it automatically: clevis luks ...
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1answer
128 views

Incorrect System Uptime

Recently, in an Oracle Linux (either 6 or 7) based virtual machine, I faced any issue where system uptime was apparently wrong. # who -b system boot 2019-07-24 13:21 # last reboot reboot system ...
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23 views

network teaming cannot work after reboot, needs to restart network service manually

I have a problem about networrk teaming. As I install Oracle Linux 7.5 on Lenovo ThinkSystem SR850, and I configure network teaming. I create two team(team0 and team1), with four network interface. ...
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64 views

Nginx FastCGI cache Error (Not Disable cache)

I have enabled caching for the entire site except for certain pages. But disabling fastcgi_cache caching does not work for /login/index.php or /login. My Cms Opencart 2.3 set $no_cache 0; ...
1
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1answer
85 views

rm -rf root permissions denied

I want to delete the folder under root writes an error /var/www ⌚ 16:35:54 $ ll drwxrwxrwx. 2 ftp_user ftp_user 6 апр 24 16:46 cgi-bin drwxrwxr-x 5 nginx nginx 4,0K июл 10 12:42 site.com ...
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0answers
36 views

Port not available on the same network(MySQL with docker)

I have two servers in one network. 192.168.202.5 netmask 255.255.255.0 192.168.202.32 netmask 255.255.255.0 On second server I start MySQL using Docker Compose. docker ps CONTAINER ID ...
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89 views

Master DNS - Windows, Slave DNS - Linux

There is a working DNS server in Windows Server 2016. I installed and configured slave DNS server in Oracle Linux 7. In windows server, I enabled BIND secondaries, and to Listen all ip addresses. ...
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1answer
22 views

Oracle Linux 6 Looking for cmd or way to correlate BUS:Device.Function to physical slot

On Oracle Linux 7 [root@host ~]# uname -a Linux host 4.1.12-61.1.18.el7uek.x86_64 #2 SMP Fri Nov 4 15:48:30 PDT 2016 x86_64 x86_64 x86_64 GNU/Linux I can use [root@host ~]# dmidecode -V 3.0 [root@...
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11 views

Access to opt directory [duplicate]

I have a software installed in opt directory - [root@ada-spa oracle]# ls -al total 144560 drwxr-x---. 4 root root 4096 Jun 21 17:19 . drwxr-xr-x. 18 root root ...
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40 views

Creating data delimited by ASCII code 1

Any suggestion how to create a file where the values are separated by ASCII code 1,with data extracted from a table? The format is : columnname1(binary1)columnvalue(binary1)columnname2(binary1)...
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20 views

What might create temporary mountpoints?

I have an Oracle Linux 7.5 Server. Sometimes, a new mount will show up briefly (for less than a minute), then disappear. This new mount point is at /tmp/${GUID}, so it might look like: /tmp/...
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29 views

Setup OpenLdap on Oracle Linux 6

I am currently trying to setup an openldap server on an Oracle Linux 6 VM (VirtualBox). Packagemanager yum installed openldap version 2.4.40-16. Following this setup guide: https://docs.oracle.com/cd/...
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0answers
174 views

/etc/resolv.conf overwritten with old DNS entries not what is in /etc/sysconfig/network-scripts/ifcfg-enp0s3

I have an Oracle Linux 7.5 VM on VirtualBox setup with a static IP address. My DNS servers have changed since I first setup the VM. I modified the file /etc/sysconfig/network-scripts/ifcfg-enp0s3 to ...
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2answers
68 views

Why does my hostname show as “Unknown-08-00-27-50-25-08” when using a bridged connection?

I am running an Oracle Linux 7 VM. I have booted the VM up separately with different network options, NAT and Bridged connection. I would like to use a bridged connection so I can SSH in easily. When ...
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1answer
243 views

How to expand the root volume after attach new volume?

I create new virtual machine in OpenStack Project. After I want to add size free space in VM. I added new Volume and attached to VM. After start VM I tryed to check status HDD. fdisk -l Disk /dev/...
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1answer
559 views

How to install gnumeric on Oracle Linux 6?

Many blogs suggest sudo yum install gnumeric and sudo yum install gnumeric.x86_64, but to me both are giving the following message: Loaded plugins: security, ulninfo Setting up Install Process ...
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1k views

how to install pip for python 2.7?

I followed the link @https://linuxize.com/post/how-to-install-pip-on-centos-7/#2-install-pip to install pip ,however its intalled for python 2.6 that comes with the system,how do I install it for ...
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2answers
114 views

How often (and when) does NTPD update the time?

I have an Oracle Linux 6 box (RHEL) and I have set up ntpd. I have run service ntpd start and chkconfig on. Now, if my date is incorrect and I reboot the box, it sets the time and date properly. ...
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1answer
606 views

What is the difference between su - oracle and pbrun /bin/su - oracle [duplicate]

Could anyone explain the difference between the below commands: su - oracle and pbrun /bin/su - oracle
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2answers
933 views

How to subscribe to public YUM repository in Oracle Linux

I would like to subscribe to the following Oracle yum repository so I can install virtual box guest additions packages. https://yum.oracle.com/repo/OracleLinux/OL7/developer/x86_64/index.html Where ...
2
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2answers
292 views

Can systemd 'adopt' or 'inherit' a process or cgroup?

I have a service that I would like to manage through systemd - let's call it foo. I wrote unit files, and they're working just fine. So, if I run systemctl start foo, the service starts correctly, and ...
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3answers
929 views

Grep content for multiple files

My OS is Sun Solaris. SunOS sintscdldmu001 5.11 11.3 sun4v sparc sun4v I gave the command alter database backup controlfile to trace; and happened to forget it. When i needed the contents of the ...
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1answer
1k views

zscaler certificate issue

Do any one have idea what could be error reason and how it can be resolved? [root@Linux ~]$ wget https://www.google.com --2018-10-19 07:46:25-- https://www.google.com/ Resolving www.google.com... ...
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1answer
6k views

Keytool utility not available

I know that in order to use keytool, JDK must be installed -- which it is in my server -- but the keytool utility is not available. [root@Linux ~]$ java -version openjdk version "1.8.0_181" OpenJDK ...
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1answer
206 views

How do we update the Kernel for a Oracle Linux OS while leaving the OS Version same?

I have tried to update the kernel for an Azure VM running Oracle Linux 7.2. I wanted to update the kernel version that was showing 3.10 and when I ran the yum update command, it upgraded all the ...
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1answer
40 views

Partitions primary/logical

I have two questions: How one knows that this (any) disk partition should be a Primary partition or Logical? Please explain it if possible. How am I suppose to know that how much size is to be ...
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1answer
503 views

Installing Oracle SQL Developer in Arch

I've spent >3 hrs trying to figure this out. I've done both methods shown in the wiki. Both seem to have worked fine. When I search I can't find any newly installed software with any name like "...
2
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1answer
150 views

Installing icingaweb2 / icingacli under Oracle Linux 6 [closed]

I'm trying to install icingaweb2 / icingacli on a vServer running Oracle Linux 6. I've managed to install icinga2 from the icinga repo and php7.0 from the ol6_developer repo. But if I try to install ...
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1answer
299 views

Oracle Linux 7.5 format a SAN storage disk using ext2 file system

I have a scenario where I have to use SAN storage for my Oracle Database installation single node production setup and need to keep Database configuration files on SAN. I am using Oracle VM manager to ...
1
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1answer
36 views

Trigger a prompt when any user runs a specific command

Working on Oracle Linux version 5.11 (unable to upgrade due to limitations around the software on this server. There is a specific command for our Veritas Cluster Service that should not be impacting ...
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0answers
784 views

Problem with starting Oracle Linux after Migrating form OVM to hyper-v

I am planing to move form OVM to hyper-v, in-order to do the migration, I shutdown OVM (VM is using Oracle Linux 7.2) normally, then exported the appliance from OVM Console, move it to Windows machine ...
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1answer
412 views

Mount storage from Fiber Channel SAN on Oracle Linux

I have a scenario where my shared storage is available at SAN (Storage Area Network). The SAN is available through Fiber Channel. I am installing some oracle product and want to use storage from SAN ...
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1answer
206 views

Error installing Opennms on Oracle Linux 6.9

I need to install Opennms monitoring software because I'm getting error trying to install it on Oracle Linux 6.9. I used this commands: wget https://yum.postgresql.org/9.3/redhat/rhel-6.9-x86_64/...