How to set the variable $PATH when executing the csh via rsh
Why does CentOS 6 to 7 upgrade fail if /usr is on separate partition ?
Is systemd-resolved enabled in AlmaLinux 8?
File systems became read-only on virtual guests on VMware
How to create custom email template in Alertmanager?
When is the awx user made during the ansible automation platform installation?
TFTP “Transfer timed out” with firewalld in CentOS 7 and 8
Reimagining Drug Discovery With Computational Biology
Abstract Classical drug design involves a significant investment in time and money for research and development. Modern computational techniques, such as computational biology, computer-aided clinical medicine, and artificial intelligence, offer the potential to speed up the effectiveness of pharmaceutical research by reducing the effort and expense involved. As a result of the growing adoption of …
Use of Graphics Processing Unit (GPU) computing in Microbiology
Abstract GPU and the algorithmic tools are convenient for using, interpreting, and visualizing microbial data. GPU computing has revolutionized the way of performing microbiological research. In the past, it took a lot of work to sequence the genome of any newly discovered microbe, understand their genomic structures, aligns them, or study the metabolic functioning of …
How to calculate memory assigned for nodes in a cluster
Run the following command to calculate the currently used memory (megabytes) in openshift container platform 4.x. oc adm top node | awk '{ sum+=$4} END {print sum}' Run the following command to calculate the used memory (megabytes) for worker nodes in the cluster. oc adm top node --selector='node-role.kubernetes.io/worker=' | awk '{ sum+=$4} END {print sum}' …
Why repquota output different size as compared to du?
In CentOS 5, 6, and 7, repquota shows different sizes compared to du output as shown below. [root@server]# repquota /xyz | awk 'NR == 3 || NR == 4|| /username/' Block limits File limits User used soft hard grace used soft hard grace username -- 100663296 152043520 157286400 2584811 0 0 [root@server]# du -sch /xyz …
How do change the location of /var/log/squid/squid.out file?
To change the location of squid.out file, copy /usr/libexec/squid/cache_swap.sh to a new location. # cp /usr/libexec/squid/cache_swap.sh /usr/libexec/squid/cust_cache_swap.sh Open with vi and edit the following section in the new file cust_cache_swap.sh. squid -N -z -F -f $SQUID_CONF >> /new/path/to/squid.out 2>&1 Copy the unit file of squid.service as follows. # cp /usr/lib/systemd/system/squid.service /etc/systemd/system/ Edit /etc/systemd/system/squid.service. (before) ExecStartPre=/usr/libexec/squid/cache_swap.sh …
Why packets drops against ‘rx_fifo_errors’ parameter in the output of ‘ethtool -S ‘ ?
The output of ethtool -S <interface> reveals receive fifo errors. Additionally, rx_queue_<n>_drops, the total of which equals the value of rx_fifo_errors, are reported. # ethtool -S eth0 | egrep 'rx_fifo|drops' rx_fifo_errors: 120674 rx_queue_0_drops: 4032 rx_queue_1_drops: 3036 rx_queue_2_drops: 5904 rx_queue_3_drops: 0 rx_queue_4_drops: 228 rx_queue_5_drops: 65656 rx_queue_6_drops: 19267 rx_queue_7_drops: 22551 # ethtool -S eth0 | egrep drops …
lsof does not list as many files with -p as when used with grep and awk
Only files opened by the specified PID are listed using the lsof command with the -p option.The -p option entirely ignores files generated by a thread with a TID. When we grep for a specific PID, it lists all the lines where the PID is located while considering the files opened by a thread. The …
