,I have several workstations all with exactly the same OS versions, kernels + yum versions;CentOS Linux release 7.2.1511 (Core)kernel.x86_64 3.10.0-327.28.3.el7yum.noarch3.4.3-132.el7.CentOS.0.1running a yum history list command produces different outp..
Author : Michael Horne
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,[root@mail1 ~]# systemctl enable httpd Failed to execute operation: Invalid argumentI can disable and re-enable other services without issue, Im also seeing the same error when I run[root@mail1 ~]# systemctl enable mailman Failed to execute operati..
All,I had my database fall over earlier, Initially I thought it was due to a change in the OS but the PostgreSQL update overwrote my systemd service file.How can I create a file for my PostgreSQL service that will not be overwritten when updates ..
Probably worth a read…http://www.openssh.com/txt/release-7.1p2echo UseRoaming no >> /etc/ssh/..
All,Im trying to disable USB storage devices in CentOS7.1.1503.Ive setup udev rules to block all usb devices and then additional rules to allow specific vendors / products to be used (mainly keyboards and mice). This is all working perfectly.cat /etc/udev/rules.d/01-usblockdown.rul..
All,Ive been tuning a server recently and just today this has started to appear in my top/htop output.[root@db1 ~]# ps -aux | grep kernel root 1011 0.0 0.0 212048 4532 ? Ss 13:34 0:00 /usr/bin/abrt-watch-log -F BUG: WARNING: at WARNING: CPU: INFO: possi..
,Im tuning up a new database server and Im finding very mixed information online.Here are the default shmmax and shmall from my new systemcat /proc/sys/kernel/shmmax4294967295cat /proc/sys/kernel/shmall268435456SHMALL is close enough to being SHM..
All,Could anybody point me in the right direction for setting the kernel parameter, max_stack_depth, to 10240 for database tuning?I have currently set it by running ulimit -s 10240 but this does not survive a reboot.Ive Googled plenty and cant find ..
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