John Mahowald's user avatar
John Mahowald's user avatar
John Mahowald's user avatar
John Mahowald
  • Member for 9 years, 6 months
  • Last seen this week
26 votes
Accepted

Force systemd timesyncd to sync time with NTP server immediately

22 votes
Accepted

Is it safe to disable IPv6 on my Debian server?

21 votes

How to mount new logical volume (adding to fstab and mtab)?

18 votes

How to protect Apache server from SQL injection

18 votes
Accepted

IPv4 To IPv6 Migration Advice

17 votes

Ansible display realtime shell stdout

17 votes

Compression on tape set..but at 2.27TB..end of space

16 votes

How did installing this RPM create a file?

12 votes

Should I respond to an "ethical hacker" who's requesting a bounty?

11 votes
Accepted

How to determine "Predictable Name" of network interface

11 votes
Accepted

SSD IOPS on linux, DIRECT much faster than buffered, fio

10 votes
Accepted

Convert rsa to ppk file in MAC

10 votes
Accepted

Ubuntu Server with systemd - how to get a backtrace or coredump?

10 votes

Which ICMP types (v4/v6) should not be blocked?

9 votes

Ansible performance issues on a huge group

9 votes

fail2ban: whitelist IPv6 address

9 votes

How can Let's Encrypt verify the identity over insecure http?

9 votes
Accepted

How to list systemd services by memory usage

9 votes
Accepted

Changing default Apache log permissions

9 votes

Ntpd on local network - Preventing clock drift causing high offsets

8 votes
Accepted

Is SMB safer than iSCSI for connection to a NAS?

8 votes

Tmpfs vs NVME SSDs from performance POV

8 votes

Multiple devices with one IPv6 to the Internet?

8 votes
Accepted

Why use LVM? It creates more borders (less freedom)

8 votes
Accepted

Is it possible to set vm.overcommit_memory =1 only for specific containers?

8 votes

Why does `df` and `du` report free space differently on Ubuntu 18.04?

7 votes
Accepted

How can I know that Ubuntu 18.04 Bionic's latest OpenSSL is really 1.1.1n?

7 votes

SSD or HDD for server

7 votes

Is there a way to protect SSD from corruption due to power loss?

7 votes
Accepted

RHEL/CentOS - Is remi repo safe for for audits, etc?

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