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Problem My nasty java app is eating up all the CPU it can get. (Possibly sharing with something e...

(2013-06-03) Problem Trying to browse to a samba server by name from a Windows system yields the ...

(2014-06-26) Problem I want to ignore the host-ID on connection for ssh. Yes, I know it is a dumb...

(2014-01-14) Install VMware tools into a new Linux VM with a repository that will keep them updat...

(2021-02-03) Rough Notes install realmd # realm discover # realm join zoneName -U adminUser i...

(2016-11-22) Problem arp -a is too brief. In keeping with the new trend of banging in long comman...

(2019-09-04) Notes that probably won't make any sense to anyone other than myself. This is border...

(2017-05-25) Problem I have a stone-age host monitor thing that is complaining that it can't find...

(2017-05-06) Solution # fail2ban-client set sshd unbanip a.b.c.d

(2017-05-03) Problem I want one sendmail.cf to control access to port 25 (no auth, access rules o...

(2017-09-13) Changing Grub Parameters With Grubby for KERNEL in /boot/vmlinuz-*; do grubby --...

(2016-11-21) Problem Setting the computer's hostname hasn't changed for the last 20 years or so. ...

(2018-08-21) Problem RHEL 7 doesn't have "grub" command for making RAID-1 disks bootable. Alleged...

(2019-09-11) Examples # journalctl -u vmtoolsd --since=today # journalctl -u sshd

(2017-04-28) Problem Can't use passwordless ssh to a target system. Solution In this particular c...

(2021-02-23) Installing PHP 7 Instructions for7.4 Older information (2017-09-13) CentOS 7 provide...

(2019-03-15) Problem Unable to negotiate with $IP port 22: no matching cipher found. Their offer:...

(5 September 2019) Problem When I ssh login to a CentOS 7 system, it always takes around 30 secon...

(2014-01-20) Problem Email: ################# SSL Certificate Warning ################ Certifi...

(2018-06-19) Problem I want a network interface on my CentOS 7 system to start at boot time but I...