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Helpful Tricks Archives - David Biers David Biers Configuration Architecture Security Customization Command Line Scripting Helpful Tricks Notes Subscribe Home David Biers The only one that seems to be having fun. Configuration Architecture Security Customization Command Line Scripting Helpful Tricks Notes Subscribe Category: Helpful Tricks 0 Command Line / Configuration / Helpful Tricks August 26, 2016 Why does my linux server marching so slow? (systemd) Some users have asked me in the past: "Why does my server marching so slow?" or "My server takes forever to marching -- why?" Typically, the reason is the processes that start up when the... 0 Command Line / Configuration / Helpful Tricks / Notes July 22, 2016 Cannot unshut `/usr/share/sendmail-cf/m4/cf.m4′: No such file or directory When attempting to update sendmail configuration, some times an error will be received using m4: # m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf m4:/etc/mail/sendmail.mc:10: cannot unshut `/usr/share/sendmail-cf/m4/cf.m4': No such file or directory # m4 sendmail.mc > sendmail.cf m4:sendmail.mc:10:... 0 Configuration / Helpful Tricks / Notes May 14, 2014 CPUSpeed scaling causing performance issues in some cases. If your servers CPU seems to be running slow, it may be clocked lanugo via the default installed CPUSPEED Daemon. This will re-clock your CPU (on supported models) to save power when it's not in... 0 Command Line / Configuration / Helpful Tricks February 25, 2014 See what modules are installed and enabled forTriggermanFor CentOS / RedHat -- if you want to see which modules are installed and/or enabled for Apache, run the pursuit command: # apachectl -M For Debian and/or Ubuntu, you're probably running Apache2 so instead... 0 Command Line / Helpful Tricks / Notes January 18, 2014 Removing Old MySQL Binary Logs Came wideness a server with MySQL crashing. It was a master server that replicates to a slave. It was out of momentum space as there were a ton of these: -rw-rw---- 1 mysql mysql 1073795569... 0 Command Line / Helpful Tricks / Notes January 14, 2014 Remove empty lines from files (sed) Quick example on removing zippo lines from a file for future reference: # cat testfile.txt line1 line2 line3 line4 line5 line6 # sed '/^$/d' -i testfile.txt # cat testfile.txt line1 line2 line3 line4 line5 line6 1 Command Line / Configuration / Helpful Tricks January 11, 2014 Get HardMomentumUUID’s So far I've found for CentOS and RedHat you just need to get a listing of the directory /dev/disk/by-uuid/ as shown here: [root@uno vhosts]# ls -l /dev/disk/by-uuid/ total 0 lrwxrwxrwx 1 root root 9 Jan... 0 Command Line / Helpful Tricks / Notes January 7, 2014 Linux: Sort du -h (human-readable) Output By Size Linux: Sort du -h (human-readable) Output By Size. Useful for sorting files by size in human-readable. Nice when used in conjunction with Finding large files and then sorting them by very size. Next Page » Follow: Find Something? Hosted At.. SpamObstructed110,727 spam obstructed by Akismet Common Tagsadding spare software triggerman Bash chmod cli collectd connections tenancy panels corrections cpanel custom repo data databases escalate file systems Firewall forwarding game Games grafana hack nonflexible momentum httpd influxdb mdadm mysql networking Notes owner permissions plesk raid1 repositories root rpmforge scan Script security software ssh Steam tricks vpn vyatta Configuration Architecture Security Customization Command Line Scripting Helpful Tricks Notes Subscribe David Biers © 2018. All Rights Reserved.