Archives : August-2015
In order to keep only 3 kernel images on a CentOS 7 I edited /etc/yum.conf and I putinstallonly_limit=3This parameter works for standard kernel images, but does not work for rescue images:$ ls -al /boot/vmlinuz*-rwxr-xr-x 1 root root 5027376 May 13 20..
Had seen various folks ask about how to do this (I did mine long ago and far away to make my Windows machine dual-bootable to Win or CentOS) and while looking for some HD repair diagnostics, ran across this and thought it may be useful to some folks.http://rufus.akeo.ie/..
Thunderbird has a MITM vulnerability with its otherwise rather groovy auto-configuration feature.The problem is that it makes requests via HTTP to retrieve the auto configuration information.This allows a black hat (e.g. the NSA) to modify the resu..
everyone,I have been scouring the Internet for answers, wikipages, non-CentOS pages, and I am stumped.I have a HP LaserJet P4014n. When I plugged it in via USB cable, it found it as a P4014, but in any case, it simply wouldnt print, so I deleted ..
CentOS,Im not sure where to ask this, please let me know if there is a more appropriate place.On CentOS 7, Im building a large C++ package with rpmbuild. Arachne (https://www.broadinstitute.org/crd/wiki/index.php/Arachne_Main_Page).During the debugi..
Im trying to get Apache httpd to create new files with the group writable bit set and thought adding the directive UMask02 to the service section of the service file would be enough (after copying it to/etc/systemd/system). But after a systemctl daemon-rel..
One of the build options for a laptop Im looking at buying is DVD vs Blu-Ray.Ive never used Blue-ray before, so is there some compelling reason, as a Linux guy, to want to ge..
On Sunday, I did a yum update which installed kernel2.6.32-573.3.1.el6.i686 on half a dozen virtual machines running CentOS 6.7.Since then, two of them have gone into meltdown, and started spewingABRT Daemon emails: one on Tuesday, and one tonight…
Everyone,I have prepared following isolinux.cfg.default linux label linuxkernel /vmlinuzappend initrd=/initrd.gzBut kernel panics with the standard message Kernel panic – not syncing: No init found. Linux kernel version is 3.10.I tried to read the init…
,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..
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